L23 - Blanik - Flight Manual
Contents
1. DE MONI M CR NINE i 1 1 i Jan 4 02 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC Jan 4 02 SAILPLANE FLIGHT MANUAL 123 1014 5 SECTION 7 Sailplane and systems description TA hek 7 39 7 4 To CONTENTS Introduction Sailplane description Front seat ballast Front cockpit Rear cockpit quia L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 58 7 2 1 3 INTRODUCTION The description and operation of the sailplane and its systems are given in the Maintenance Manual of the L 23 SUPER BLANIK Sailplane SAILPLANE DESCRIPTION The L 23 SUPER BLANIK sailplane is a cantilever high wing two seat glider of all metal structure The rudder elevator and ailerons are fabric covered In the forward section part of the fuselage there are front and rear cockpits Both cockpits are covered with a two part canopy which can be jettisoned in flight Both cockpits are equipped with all sailplane flight control including flight and navigation instrument panels The sailplane is equipped with tow hooks either for winch or aero tow take off Wings including ailerons and air brakes are attached to the fuselage at six Suspension points three on each side There is a possibilityof using the wing tip extens2. ET 224 RES E d FREE DOE DNE MK EE 1400 1600 i 1800 i 2000 iE SII L 23 without wingtip extensions m 1168 Ib Bios eror e L 23 with vvingtip extensions m 1168 Ib L 23 without wingtip extensions m 882 Ib L 23 with wingtip extensions m 882 Ib FIG 5 9 7 Jan 4 02 5 4 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 9 3 1 2 FLIGHT SPEED POLAR Maximum flight weight of 400 kg and 530 kg Air brakes retracted landing gear retracted Airspeed with the angle of descent of 45 229 km h IAS Airspeed IAS km h 80 100 120 140 160 180 200 220 240 ul _ ___ NN LLL LL LLLA NC pt tt yt et ee __ _ __ ____ _ _ __ L 23 without wingtip extensions m 530 kg L 23 with wingtip extensions m 530 kg 20 E 2 Vertical speed m s L 23 without wingtip extensions m 400 kg ovens L 23 with wingtip extensions 400 kg Flog Jan 4 02 55 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 6 Weig
3. 2 12 2 13 SECTION 2 Limitations CONTENTS Introduction Airspeed Airspeed indicator markings Weight Centre of gravity Approved manoeuvres Manoeuvring load factors Flight crew Kinds of operation Minimum equipment Aerotow and winch launching Other limitations Limitation placards L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 1 INTRODUCTION section 2 includes operating limitations and basic placards necessary for safe operation of the sailplane its standard systems and standard equipment The limitations in this section are FAA approved by the CAA Czech Republic The values in parentheses are valid only when using wing tip extensions 2 2 AIRSPEED Never exceed speed up to a pressure altitude of operation and do not use more 13 780 ft 4200 m than 1 3 of control deflection Rough air speed Do not exceed this speed except in smooth air and then only with caution Examples of rough air are lee wave rotor thunderclouds etc Manoeuvring speed Do not make full or abrupt control movement above this speed because under certain conditions the sailplane may 6 661 full control movement Maximum winch Do not exceed this speed during launching speed winch or autotow launching Maximum aerotowing Do not exceed this speed during aerotowing Maximum landing gear Do not extend or retract the operating speed
4. Cont Appr Jan 4 02 2 6 686 04 KUNOVICE CZECH REPUBLIC WARNING 1 L 23 SUPER BLANIK SAILPLANE FLIGHT MANUAL Do L 23 1014 5 OPERATIONS IN ICING CONDITIONS ARE PROHIBITED OPERA TIONS ARE LIMITED BY THE INSTALLED EQUIPMENT AS LISTED IN SECTION 6 AEROBATIC FLIGHT TIME MUST BE RECORDED IN THE SAILPLANE LOG BOOK TO COMPLY WITH CONTINUED AIRWORTHINESS REQUIREMENTS ALL AEROBATIC MANOEUVRES ARE PROHIBITED WITH INSTALLED WING TIP EXTENSION WITH INSTALLED WING EXTENSIONS ALL FLIGHT TIME WITH WING EXTENSIONS MUST BE RECORDED IN THE SAILPLANE LOG BOOK TO COMPLY WITH CONTINUED AIRWORTHINESS REQUIREMENTS THE NUMBER OF WINCH AND AEROTOW LAUNCHES MUST BE RECORDED IN THE SAILPLANE LOG BOOK TO COMPLY WITH CONTINUED AIRWORTHINESS REQUIREMENTS 2 10MINIMUM EQUIPMENT Instruments and minimum equipment must be approved types A Instruments All Operations Airspeed indicator Altimeter Lap and shoulder straps B Additional Instruments required for Cloud flying Magnetic compass Turn and bank indicator Variometer Vertical Speed Indicator Jan 4 02 oU L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 11AEROTOW AND WINCH LAUNCHING Aerotow the maximum cable strength or cable safety device weak link strength is 1460 Ib 6500 N maximum permissible speed 81 KIAS 150 km h IAS the minimum ca
5. L23 SUPER BLANIK SAILPLANE FLIGHT MANUAL Do L 23 1014 5 STALL SPEEDS unaccelerated The broken line is valid only when using the wing tip extensions Note The stall warning speed is about 5 96 higher than stall speed for all configurations Stall speed KIAS Stall speed km h IAS Stall speed for forward c g position NN air brakes ELO es RER GR HE ete de 20 ZR EE E 21 900 1000 1100 Weight Ib S R RER E oR SER TA G E air brakes extended E W brakes retracted 1 CLIE ERE Eo e mur NL EX LL LLL LE ede eT ILLE IS 380 400 420 440 460 480 500 520 Weight kg FIG 5 2 x 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 5 3 ADDITIONAL INFORMATION 5 3 1 FLIGHT POLAR 5 3 1 1 FLIGHT SPEED POLAR Maximum flight weight of 882 Ib and 1168 Ib Air brakes retracted landing gear retracted Airspeed with the angle of descent of 45 124 KIAS Airspeed KIAS O 10 20 40 50 60 70 80 930 100 110 120 130 140 2 4 600 800 1000 Vertical speed ft min 1200 EN s EN ___ EE URS ME
6. 4 4 3 Approach 4 4 4 Landing 4 4 5 Use of air brakes 4 4 6 Basic aerobatics 4 02 4 1 1 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 4 INTRODUCTION oection 4 provides checklists and information on recommended procedures for normal operation 4 2 RIGGING AND DE RIGGING A Wing removal Four people are needed for the wing removal The first holds the fuselage the second holds the wing tip the third and the fourth hold the wing root see Fig 4 0 Level the sailplane to the horizontal position Take off the fairings between the fuselage and the wing Uncouple the aileron control tie rods by unlocking safety pins and removing pins on rocker levers pivoted in consoles on the ribs No 1 from the fuselage side Remove lock pins out of both front hinge pins and wing main pins and knock out the front pin Remove eletrical ground strap Move the wing gently up and down when installing or removing the pins Pull the wing from the fuselage by slow careful movement and sit the wing vertically with the leading edge down on the special handling equipment B Wing installation The process of wing installation is the opposite For easier installation of the centre hinge pins use the centering pin or installation drift pin before inserting the main pins see Fig 4 0 Detail A When slipping wing hinges on fuselage hinges make sure that the globular joint of the
7. Jan 4 02 23 SUPER BLANIK 686 04 KUNOVICE SAILPLANE FLIGHT MANUAL Do L 23 1014 5 CZECH REPUBLIC 1 i Title of inserted supplement Doc No Date of insertion im e e eee a n DNI EL LET Sor SE 1 ae eS Cee Enae 222 cm ________ _ ___ ______ et ee SR er ME S T ______ _ _____ _ __ __ venim Jan 13 99 Wa L23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 9 1 INTRODUCTION Section 9 of this Sailplane Flight Manual provides supplemental information for optional equipment which is installed on the sailplane and additionaly it may contain the supplementary information on sailplane operation The information contained in this document supplements or superseds the basic Sailplane Flight Manual where covered in the sections contained herein For limitations procedures and performance not contained in this supplement consult the basic Sailplane Flight Manual 9 2 LIST OF INSERTED SUPPLEMENTS Doc No Titie of inserted supplement 34 oes CON NN eem LS EN CM ae CIL ANON DITTEL DITTEL FSG 71M Transceiver 71M Transceiver Emergency Locator Transmitter Ameri King AK 450 ELT reb 15 02 Volkslogger VL 01 GPS Flight Data Recorder Feb Feb 15 02 Front and rear c
8. Note VNE airspeed limits above 13 780 ft 4200 m Pressure Altitude are reduced as follows 13 780 20 000 25 000 30 000 35 000 108 100 97 89 RR Appr Jan 4 02 222 Altimeter Setting at 29 92 in Hg 1013 25 hPa 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 Pressure Altitude 4 200 6 000 7 500 9 000 10 500 IVNE km h IAS 230 230 215 200 185 230 210 195 180 165 2 3 AIRSPEED INDICATOR MARKINGS Marking 5 Significance km h IAS 35 81 Normal Operating Range Lower limit is maximum 67 150 weight 1 1 vs at most forward c g Upper limit S rough air speed Yellow arc 81 124 Manoeuvres must be conducted with caution and 150 230 only in smooth air Red line 124 Maximum speed for all operations 230 Yellow 49 Approach speed at maximum weight triangle 90 x 2 4 WEIGHT LIMITS Maximum take off and landing weight WwW IWOVOCCUDAMIS s p 2445 24 44 168 b 5390 Empty weight with standarda 224 3 S 790595 TID E 296 with standard equipment 310 Kg 2 315 2 and the corresponding centre OIOV 67 30 196 MAC 68 30 1
9. air brakes control see Fig 4 0 Detail B will be positioned to fit into the control drivers in the wing When assembling first slide in the wing main hinge pin and then the wing front hinge pin C Removal and installation of the wing tip extensions Remove 12 bolts at the last wing rib fixing the wing tip and remove the wing tip and or wing tip extension Perform the installation in the reverse oder Insert the extension and or its guiding into the guiding tube at the last wing rib adjust it in the proper position and fix with original bolts 10 pieces of M4 sunk bolt and 2 pieces of M5 fitted bolt with cylinder head at both the wing ends Tighten all the screws and bolts Cont Jan 4 02 4 2 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 A Centering the front hinge pin Control joint between the wing and the fuselage C Wing main hinges with the main pin Appr Jan 4 02 4 L 23 SUPER BLANIK i KUNOVICE 04 686 CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 D Horizontal stabilizer installation The process of horizontal stabilizer installation is the opposite It is recommended that the horizontal stabilizer and the automatic connection rocker levers of the elevator trim tab control on the vertical stabilizer and on the horizontal stabilizer are approximatelly parallel E Horizontal stabilizer rem
10. ALTITUDE PRESSURE ALTITUDE m UP TO 4200 6000 WITHOUT EXTENSIONS 230 WITH EXTENSIONS 7500 9000 10500 230 215 200 185 230 210 195 180 165 If installed wing tip extensions ALL AEROBATIC MANOEUVRES ARE PROHIBITED WITH INSTALLED WING TIP EXTENSIONS TRIMMER RELEASE VNE 124 KIAS Or VNE 230 km h IAS Va BIKIAS Va 150 km h IAS Valid when lower or side hook is installed WINCH LAUNCHING SPEED 65 KIAS MAX WINCH LAUNCHING SPEED 120 km h IAS MAX AERO TOWING SPEED 81 KIAS MAX AERO TOWING SPEED 150 km h IAS MAX MANOEUVRING SPEED 81 KIAS MAX MANOEUVRING SPEED 150 km h IAS Valid when front nook only is installed MAX AERO TOWING SPEED 81 5 MAX AERO TOWING SPEED MAX MANOEUVRING SPEED 150 km h IAS 150 km h IAS MAX MANOEUVRING SPEED 81 KIAS lam i NO9 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL QG lt 23 10145 OPERATING LIMITATIONS THIS GLIDER MUST BE OPERATED IN COMPLIANCE WITH THE OPERATING LIMITATIONS STATED IN THE FORM OF PLACARDS MARKINGS AND MANUALS MAX GROSS WEIGHT 1168 LB APPROVED MANOEUVRES LOOP SPIN STALL TURN CHANDELLE CLIMBING LAZY EIGHT STEEP TURN SOLO FLIGHT FROM FRONT SEAT ONLY OPERATING LIMITATIONS THIS GLIDER MUST BE OPERATED IN COMPLIANCE WITH THE OPERATING LIMITATIONS STATED IN THE FORM OF PLACARDS MARKINGS AND MANUALS MAX GROSS WEIGHT 530 kg APPROV
11. Canopy jettison 31 Label Operating limitations 32 Label Center of gravity 33 Label Landing gear extended 34 Label Landing gear retracted 35 Microphone 36 Radio control button 37 Label Max alowable speed vs altitude 38 Positional pin of landing gear opened and locked position the landing gear handle must be located in front of the positional pin in flight direction Jan 4 02 7 5 75 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 8 Sailplane handling care and maintenance CONTENTS 8 1 Introduction 8 2 Sailplane inspection period Jan 4 02 8 1 CX L23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 8 1 INTRODUCTION Procedures recommended by the manufacturer for proper ground handling servicing and maintenance which must be followed if the sailplane is to retain new plane performance and dependability are given in the Maintenance of the L 23 SUPER BLANIK Sailplane 8 2 SAILPLANE INSPECTION PERIOD Maintenance and servicing of the sailplane are provided in the L 23 SUPER BLANIK sailplane Maintenance Manual Do L 23 1031 3 see Section 5 Jan 4 02 8 2 CA L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 9 Supplements CONTENTS 9 1 Introduction 9 2 List of inserted Supplements 9 3 Supplements inserted
12. MANUAL Do 123 1014 5 Programming the Channel Frequency Memory The FSG 71M transceiver is equipped with 10 memory cells which are able to store one frequency each in the range from 118 000 to 136 975 MHz The stored frequencies are non volatile Channel Frequency setting Rotate channel selector knob fully clockwise Select the desired frequency by rotating MHz and kHz knobs Rotate channel selector knob to desired channel number 1 to 10 Enter the frequency by depressing approx 1 sec the store button STO into the memory If a frequency is already stored in that certain channel it will be overwritten The function of the STO button is electrically delayed to reduce memory loss caused by accident touching Recall of Stored Frequencies Hotate channel selector knob to desired channel number The stored frequency will appear on the display and the transceiver is tuned Caution If the built in battery ofthe electronic memory is defective the memory content is lost when the unit is switched OFF For safety reasons the memory battery should be changed every five to six years by authorized personnel recommended date of change see separate tag unit Note Detailed operating instructions are mentioned in the Installation amp Operation Manual Transceiver FSG 71M Document No 027 HB OOE Revision No Reprint 1 Data Issue July 1998 SECTION 5 PERFORMANCE Not affected SECTION 6 WEIGHTS AND BALANCE
13. SN 10 1 nota replacement for primary flight instruments and pilot s decisions In case of incorect inputs the SN 10 will display incorect and possibly dangerous information decisions during flight must be made by the pilot Suggested preflight checklist for competition mode see llec SN 10 User Manual Appendix B Verify altimeter setting in the Alt field Set desired finish altitude in the Fin field field elevation plus safety height Check battery voltage in the Volts field Set timers if applicable STI and RST min fields Set the final glide Wind setting from the weather briefing Set Water and Bugs cont Jan 4 02 2014 MET 23 SUPER BLANIK Supplement No 4 686 04 KUNOVICE CZECH REPOBLIC SAILPLANE FLIGHT MANUAL 45 Set the planned Task Flight recorder Clear any prior day flight record Reset Set point Cylinder size Suggested preflight checklist for club mode see llec SN 10 User Manual Appendix B CAUTION IF YOU TURN OFF THE SN 10 SOME SETTINGS WILL RESET TO THEIR DEFAULT VALUE DO NOT TURN OFF THE SN 10 AFTER YOU DONE YOUR CHECKLIST Verify the altimeter setting in the Alt field Set desired arival altitude over the ground in the Arv field Set Water and Bugs on the Club Settings page Check battery voltage Volts on the Club Settings page Set the final glide Wind setting from the weather briefing on the Club Wind page Using the SN 10 with a Volkslogger Description is
14. Transceiver block Weight 5 2 Ib 2 36 Kg arm 38 in 963 mm Battery F10023 Weight 7 6 Ib 3 45 kg arm 14 6 in 370 Jan 2 LLET L 23 SUPER BLANIK Supplement No 5 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 SECTION 7 SAILPLANE AND SYSTEM DESCRIPTIONS VHF DITTEL FSG 71M controls FREQUENCY DISPLAY x CHANNEL 41 2 aSa M O E VOLUME TX INDICATOR kHz SELECTOR MHz SELECTOR SWITCH SWITCH Switch ON OFF Lever down power OFF Lever up ON unit supplied with power Potentiometer VOL To increase the receiving volume rotate the knob clockwise Switch SQ Lever down the squelch circuit is off basic receiver noise is audible Lever up common position the squelch circuit is activated only reception of signals above SQ treshold Frequency display 5 digit liquid crystal display internal lighted Shows the opera tion frequency in digital form set from 118 00 to 136 97 MHz Last digit 5 or does not appear Blinks if power supply drops below 11 V DC kHz Selector Sets frequency in 25 kHz increments 000 975 MHz Selector Sets frequency in 1 MHz increments 118 136 TX indicator Yelow LED Lights during depressing the push to talk button CHAN rotary knob Knob fully clockwise frequency free selectable by MHz and kHz knobs Knob on position 1 trough 10 recall of
15. applicable operating rules Jan 4 02 4 12 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 4 3APPROACH The following approach speeds are recommended Descent Air brakes Normal retracted extended Steeper extended Anticipate mild sailplane ballooning when using higher approach speeds 4 4 4LANDING Landing on the airport The landing manoeuvre is entirely conventional Use small elevator inputs at the flare The sailplane should touch down with the landing gear first and then with the tail wheel if landed correctly to reduce shock to the tail wheel on ground contact Do not flare prematurely in order to prevent the sailplane from droping from a higher height Off field landing It is recommended to land with the landing gear retracted if landing on a soft ground Note In this case extend the wheel before the next flight Post flight The following operations must be recorded in the sailplane log book as they occur 1 Flight time with wing tip extensions installed 2 Number of winch and aerotow launches by type 3 Flight time during acrobatic manoeuvers Jan 4 02 Ane LET L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 4 5USE OF AIR BRAKES It is recommended to use the air brakes in following cases 2 Appr Jan 4 02 To reduce landing especially roll on
16. button a second time to clear the second page Cursor Enter turning selects active field on the page knob button pressing enters some data Value knob turning changes the value of the currently selected field SECTION 8 SAILPLANE HANDLING CARE AND MAINTENANCE Not affected Jan 4 02 4 of 4 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH FLIGHT MANUAL 0 5 RECOMMENDED ILEC SETTING See item 5 6 and 5 7 of the SN 10 User Manual Software Version 2 21 revision date 17 May 2001 5 6 Glider polar setup Do not use default setting for L 23 it is not quite exact create new custom polars Custom 1 and Custom 2 Custom 1 without wing tip extensions Std weight 530 kg m s s om I Custom 2 with wingtip extensions Std weight 530 kg Insert this page behind Supplement No 4 Jan 4 02 1 of 2 I L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPOBLIC SAILPLANE FLIGHT MANUAL 935 LLL LLL RE ee 5 7 Airspeed calibration setup KIAS IAS km hour KCAS CAS km hour CL i 6 108 200 109 202 137 135 250 Insert this page behind Supplement No 4 Jan 4 02 2012 Y LET L 23 SUPER BLANIK Supplement No 5 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do 123 1014 5 SUPPLEMENT No 5 VHF DITTEL FSG 71M Transceiver Number 029005 Registrat
17. e mail ots let cz Date inserted and signature Bulletin approval M __________________ 48 Apr 9 02 0 1 L 23 SUPER BLANIK 686 04 KUNOVICE CZECHREPUBHC SAILPLANE FLIGHT MANUAL 1 23 1014 5 Rev Affected Affected pages Date inserted and No Section Bulletin signature 1 H H n i i D i 1 B j x 1 t 1 1 1 1 1 n 1 H H 1 i H 1 Jan 4 02 0 2 L 23 SUPER BLANIK SAILPLANE FLIGHT MANUAL 686 04 CZECH REPUBLIC Do L 23 1014 0 2 LIST OF EFFECTIVE PAGES Pages identified as Appr provide information reguired to be furnished by the Federal Aviation Regulations Apr 9 02 Section Page Date Section Page Date 0 1 Apr 9 02 4 Appr 15 Jan 4 02 2 Jan 4 02 Appr 16 Jan 4 02 3 Apr 9 02 Appr 17 Jan 4 02 4 Jan 4 02 Appr 18 Jan 4 02 Appr 19 Jan 4 02 Appr 20 Jan 4 02 Appr 21 Jan 4 02 Appr 22 Jan 4 02 1 Jan 4 02 5 Appr 1 Jan 4 02 2 Jan 4 02 Appr 2 Jan 4 02 3 Jan 4 02 Appr 3 Jan 4 02 4 Jan 4 02 Appr 4 Jan 4 02 5 Jan 4 02 Appr 5 Jan 4 02 Appr 1 Jan 4 02
18. floor frame if the pawis do not shift in the holes move the seat to both sides to enable shifting the pawls in the holes Jan 4 02 7 2 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 B Seat removal Removal is carried out in a reverse order to installation FIG 7 1 Jan 4 02 7 3 23 SUPER BLANIK 686 04 KUNOVICE 8 CZECH SAILPLANE FLIGHT MANUAL Do 123 1014 5 7 4 FRONT COCKPIT STANDARD 25 39 4 7 15 16 17 og 12 2 a A 2 a 30 Fig 7 2 1 Control column 2 Rudder pedals 3 Airbrake handle 4 Elevator trim handle 5 Wheel brake handle 6 Landing gear handle 7 Rope release mechanism 8 Rudder pedals adjustment 9 Cockpit hood opening handle 10 Handle of canopy jettison 11 Air vent pull rod with handle 12 Turn and bank indicator switch 13 Altimeter 14 Airspeed indicator 15 Turn and bank indicator 16 Compass 17 and 18 Vertical speed indicators 19 Label Canopy lift off 20 Label Airbrakes extended 21 Label Airbrakes retracted 22 Label Elevator trim control 23 Label Wheel brake 24 Label No smoking 25 Label Tow release 26 Label Max airspeeds 27 ldentification number 28 Label TURN AND BANK INDICATOR 29 Label Manoeuvers with wing tip extensions forbidden 30 Label Air vent 31 Label Landing gear extended 32 Label Landing gear retracted 33 L
19. given in the Flight Manual Section 4 paragraph 3 2 IAS error The airspeed indications become erroneous at large yaw angles because the static vents on the sides of the fuselage are by passed asymetrically 3 Whenthe spinis performed as an aerobatic manoeuvre it is possible to maintain the spin by applying aileron in the direction of the rotation Stop the spin rotation by applying full opposite rudder and neutralize the ailerons When the sailplane stops the rotation neutralize the rudder and ease the control stick forward Pull out from the dive using standard procedure Note Airspeed indications well above the stall speed during a spin may indicate a spiral dive rather than a spin Cont Jan 4 02 A219 Wa L 23 SUPER BLANIK 686 04 KUNOVICE n CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 e 22 1 32 5 R 60 km h IAS Et d A 43 54 KIAS 80 100 km h IAS N 150 160 km h IAS w 86 KIAS Wm m mnl FIG 4 6 Appr Jan 4 02 dos 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 5 Chandelle climbing Move the control stick slowly forward to attain the entry speed of 97 to 103 KIAS 180 to 190 km h IAS solo or dual Transition the sailplane to a steep climb at an angle of approximately 45 above the horizon do not increase the angle At a speed of 76
20. pull rod with handle 12 Fuses 13 Vertical speed indicator SN 10 14 Airspeed indicator 15 Accelerometer 16 Compass 17 Altimeter 1B Vertical speed indicator 19 Label Canopy lift off 20 Label Airbrakes extended 21 Label Airbrakes retracted 22 Label Elevator trim control 23 Label Wheel brake 24 Label Max airspeeds 25 Label Tow release 26 Label Max airspeeds 27 ldentification number 28 Sailplane computer SN 108 29 DITTEL FSG 71M transceiver 30 Label Air vent 31 Label Landing gear extended 32 Label Landing gear retracted 33 Label Adjustment of pedals 34 Label Max pilot weight 35 Label Canopy jettison 36 Label Operating limitations 37 Label Seat position 38 Label Center of gravity 39 Radio control button 40 DATA PORT 41 Microphone 42 Deviation chart 43 Label alowable speed vs altitude 44 Positional pin of landing gear opened and locked position the landing gear handle must be located in front of the positional pin in flight direction 45 Label Manoeuvers with wing tip extensions forbidden 46 Label Max airspeed with wing tip extensions 47 Battery indicator 48 Switch Battery 1 Battery 2 49 Battery switch ON OFF 50 ELT Remote unit optional Jan 4 02 LEF L 23 SUPER BLANIK Supplement No 8 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 7 5 REAR COCKPIT FIG 7 3 1 Control co
21. so that both left and right pedals can be moved comfortably to the full extent of their travel The position of the rudder pedals in the front cockpit can be adjusted by means of the crank In the rear cockpit adjustment to one of three possible positions may be obtained by removing the locking pin Note This can be done only before the flight Control column Check for full and free movement of the control column in all directions move it to the left to the right forwards and backwards Instruments Set the altimeters to zero or as desired by the baro set knob Check the other instruments and see that vertical speed indicators and airspeed indicators read zero Cockpit canopy Close and lock Safety belts Fasten the safety belts Trim Set the elevator trim tab to the neutral position marked Air brakes Check for easy movement of air brake control Confirm air brakes retracted for take off Tow rope release Check the tow rope release mechanism for proper functioning Appr Jan 4 02 4 8 LET L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 4 NORMAL OPERATIONS AND RECOMMENDED SPEEDS 4 4 1 TAKE OFF AND CLIMB 1 Aerotow launching The take off technique by aerotow is entirely conventional The elevator and rudder efficiency is high enough during the initial stages of the take off run that it is easy to prevent directional or roll oscillations by use of rudder o
22. 493 in 12 53 mm to the back The reference datum is located 93 6 in 2 37 m aft of the sailplane nose 2 6 APPROVED MANOEUVRES UTILITY CATEGORY sailplane is certified in the Utility Category With the installed wing tip extensions all aerobatic manoeuvres are prohibited Airspeeds KIAS Section 4 4 6 item 4 pO of 37 X Section 4 4 6 item 5 Appr Jan 4 02 7842 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 7 2 8 2 9 MANOEUVRING LOAD FACTORS It is valid for maximum weight of the sailplane 6 5 5 3 6 4 S ue CRISS 2 65 FLIGHT CHEW Minimum one pilot Maximum number of occupants is two If the sailplane is to be flown solo the pilot must be sitting in the front seat and his weight including parachute must be 154 Ib 70 kg at least If the pilot s weight is less than 154 Ib 70 it is necessary to use the cushion with 33 Ib 15 kg ballast WARNING THE REAR SEAT MUST BE SECURED AGAINST FOLDING AND SAFETY HARNESSES ON THE SEAT MUST BE CONNECTED DRAWN TOGETHER AND SECURED KINDS OF OPERATION The sailplane is approved for Day VFR operations Cloud flying is permitted where operational regulations permit and the minimum reguired eguipment is installed and operable
23. 6 1 Jan 4 02 Appr 2 Jan 4 02 2 4 02 Appr 3 Apr 9 02 3 Jan 4 02 Appr 4 Apr 9 02 4 Jan 4 02 Appr 5 Jan 4 02 5 Jan 4 02 Appr 6 Jan 4 02 6 Apr 9 02 Appr 7 Jan 4 02 7 Jan 4 02 Appr 8 Jan 4 02 Appr 9 Jan 4 02 Appr 10 Jan 4 02 Appr 11 Jan 4 02 Appr 12 Jan 4 02 Appr 1 Jan 4 02 7 1 Jan 4 02 Appr 2 Jan 4 02 2 Jan 4 02 Appr 3 Jan 4 02 3 Jan 4 02 Appr 4 Jan 4 02 4 Jan 4 02 5 4 02 Appr 1 Jan 4 02 8 1 Jan 4 02 Appr 2 Jan 4 02 2 Jan 4 02 Appr 3 Jan 4 02 Appr 4 Jan 4 02 Appr 5 Jan 4 02 9 1 Jan 4 02 Appr 6 Jan 4 02 2 Jan 4 02 Appr 7 Jan 4 02 3 Jan 4 02 Appr 8 Jan 4 02 Appr 9 Jan 4 02 Appr 10 Jan 4 02 Appr 11 Jan 4 02 Appr 12 Jan 4 02 Appr 13 Jan 4 02 Jan 4 02 A L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 0 3 TABLE OF CONTENTS Section General non approved section 1 Limitations an approved section 2 Emergency procedures an approved section 3 Normal procedures an approved section 4 Performance a partly approved section 5 Weight and balance a non approved section 6 Sailplane and Systems description non approved section 7 Sailplane handling care and maintenance non approved section 8 Supplements a partly approved section 9 Jan 4 02 Dad L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 1 General CONTENTS 1 1 Introducti
24. 96 MAC Max weight of all non lifting parts 82210 811 Ib or 373 kg 368 kg Note Refer to weight and Balance Section 6 0 to determine actual empty weight c g as established by the installed equipment and manufacturing tolerances Cont 9 02 Tip L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 Appr Apr 9 Pilot S weight including parachute minimum pilot s weight solo 154 Ib 70 kg It is necessary to use front seat removable ballast of 33 Ib 15 kg when flown solo by a pilot including parachute weighing less than 154 Ib 70 in the front cockpit Note Installation of the front seat ballast is described in Section 7 paragraph 7 2 of this Flight Manual maximum pilot s weight solo 287 130 kg Maximum useful load occupants baggage Optional equipment av x 402 475 ID Or 220 kg 215 kg Maximum baggage compartment load 22 Ib 10 02 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 5 CENTRE OF GRAVITY Centre of gravity range SAT ONC Trent 1 eR mem E 23 MAC i e 4 397 in 112 mm aft of reference datum tear BD mnm ve ihe XA 40 MAC i e 12 783 in 325 mm aft of reference datum Wing tip extensions installation moves the center of gravity of the empty sailplane 1 MAC 0
25. ASP STOOP legs below you pei lt over the side ee PUSH G P stick slightly CHECK airspeed within normal operation range PUSH control stick to reach ubcritical 81 of attack E MAT EG bank rudder APPLY fuil deflection apposite eae sense of rotation RETURN IO _ neutral when rotation em gt m CEU after rotation n has S EE stopped E E Appr Jan 4 02 s ji i g h t is i rations fl ut eve a caut accele at Te t to se excessive establ en a th back m To NM UE ur 751 pigs 9 m Or USE BL uo Pg 1 gt gt CMM E NIE is t car C EA WE oe 8 S C 5 Niza L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 4 Normal procedures CONTENTS 4 1 Introduction 4 2 Rigging and de rigging 4 3 Preflight Inspection 4 4 Normal operations and recommended speeds 4 4 1 Take off and climb 4 4 2 Flight
26. ED MANOEUVRES LOOP SPIN STALL TURN CHANDELLE CLIMBING LAZY EIGHT STEEP TURN SOLO FLIGHT FROM FRONT SEAT ONLY c exterior markings Near the static pressure sensor STAT Jan 4 02 2212 PE 23 SUPER BLANIK B L ut 1686 3 NOVICE Le NEA ee Fe CZECH REPUBLIC z SAILPL LANE FLIGHT MANUAL _Do 23 1014 5 B SECTION s S e RES 2222 Emerg ency procedures SI CONTENTS 2s 34 Introduction l 3 2 Canopy P dish Yao Jug Bailing Out e T ue 34 Stall recovery 5 42 recovery 3 6 Dive Recovery EET F k HE e sm _ Appr VADE Jan 4 02 A cT ZECH R REPUBLIC _ 23 1 INTRODUCTION _SAILPLAN L 23 SUPER BLANIK SE d x Se EDEN 3014 45 Section 3 5 check lists J amplified procedures f for handling emergency situations xd S 2 2 CANOPY JETTISON SEE FIG 3 A Front or rear t pilot tos 5 Red Canopy Jettison Lever Canopy BAILING OUT Salty Belts Uo 4 STALL RECOVER Low Speed Stall One g Stall at Speed Accelerated SPIN RECOVERY Ej Rudder CM ae Con trol St ick E E EUN 25 ae T HS PUSH SAR ERE as rudder ROTE fully counterclockwise 3 and HOLD FORCE UPWARDS RELEASE and REMOVE from lap E shoulders 2 _ GR
27. KIAS 140 km h IAS apply the rudder to the selected side of the turn and by coordinated positive use of the ailerons make a transition to gliding flight in the opposite direction at a minimum speed of 43 KIAS 80 km h IAS 80 km h IAS 43 KIAS 5 76 52 TE 140 km h IAS KIAS 103 97 TO 190 km h IAS FIG 4 7 K GONE Appr Jan 4 02 4 21 Sita L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do l23 10145 6 Steep turn To perform this manoeuvre keep the entry speed of 92 KIAS 170 km h IAS when flying solo or 97 KIAS 180 km h IAS when flying dual Enter the climb simultaneously with a bank of approx 45 After turning 150 start a transition to a glide angle such that the manoeuvre will be finished in the opposite direction with the speed not decreasing below 43 KIAS 80 km h IAS 5 43 KIAS 80 km h IAS 92 KIAS SOLO Te 97 KIAS DUAL 170 km h IAS SOLO 180 km h IAS DUAL FIG 4 8 Appr Jan 4 02 4 22 x L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 SECTION 5 Performance CONTENTS 51 4 trodguction 5 2 Approved data 5 2 1 Airspeed system calibration 5 2 2 Stall speeds 5 3 Additional information 5 3 1 Flight polar Jan 4 02 5 1 Do L 23 1014 5 L 23 SUPER BLANIK SAILPLANE FLIGHT MANUAL Section 5 provides approved data for a
28. KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 1 4 DESCRIPTIVE DATA The L 23 SUPER BLANIK sailplane is a cantilever high wing two seat glider of all metal structure Wing tip extensions are optional Basic dimensions CES a 4 Ss lio with the installed wing tip extensions Note If the wing tip with supporting wheel is installed wing span is Dd TE 19 205 Th CENO wp SLE SE e 27 89 ft 8 5 E a 6 23 ft 1 9 VIA crai 206 13 sq ft 19 15 sq m with the installed wing tip extensions 215 27 sq ft 20 00sq m ASPECT ratio eue xh Roe be ede 24 4 f with the installed wing tip extensions 16 6 Mean aerodynamic chord REUS 4 11 ft 1 253 m with the installed wing tip extensions 3 99 ft 1 216m Jan 4 02 1 3 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 1 5 1 THREE VIEW DRAWING Dimensions in ft 59 71 53 15 Jan 4 02 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 1 5 2 THREE VIEW DRAWING Dimensions in mm Jan 4 02 1 5 686 04 KUNOVICE GZECH REPUBLIC Appr Jan 4 02 L 23 SUPER BLANIK SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 1 N 2 9 2 4 229 2 6 217 2 8 2 9 2 10
29. Leteck z vody a s 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Serial Nos eligible 029005 and subsequent Model No 029016 _ 5 4 E Registration N438BA Document No Do 123 1014 5 Date of Issue Jan 4 2002 This sailplane Flight Manual is FAA Approved forU S registered sailplanes in accordance with provision of 14 CFR Part 21 29 and asreguired by FAA Type Certificate Data Sheet No G60EU Approved bythe Civil Aviation Authority ofthe Czech Republicin Prague Signature G Authority CAA Prague This sailplane is to be operated in compliance with information and limitations contained herein CE L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 0 1 RECORD OF REVISIONS Any revision or amendment of the present Manual will be issued in the form of Bulletins approved by the Civil Aviation Authority of the Czech Republic supplement of which will contain new revised pages User s duty is to make a note about revisions in the Record of revisions and to replace existing pages with revised and effective ones Revised or amended parts of the text will be indicated by a vertical line in the left hand margin and the revision No and the date will be shown on the bottom left hand of the page Manufacturer s adress Leteck zavody a s 686 04 KUNOVICE CZECH REPUBLIC Telephone 420 632 81 7650 Fax 420 632 81 7653
30. Listening is ensured via speaker box which is common for bath cockpits Frequency selection To select the desired operating frequency rotate the channel selector fully clockwise To tune the radio to a stored operating frequency rotate the channel selector switch to the desired channel No 1 10 The receiver is always tuned to the frequency appearing in the display Set the left toggle switch to Squelch OFF position lever down to override the automatic squelch and rotate the VOL knob for desired listening level on the noise being produced by the receiver Set the left toggle switch to SQ lever up to activate the automatic squelch A warm up period is not required However at temperatures of 20 C the LC display needs approx 1 sec until it is fully visible when frequency is changed For transmit operation select the desired frequency depress tne push to talk button and speak into the microphone The microphone must be kept close to the lips in order to cancel noise like from the engine etc Enunciate clearly at a constant loudness During transmit operation the yelow LED TX indicator will light on the front panel signaling that the push to talk button is depressed During receive operation rotate the VOL knob for desired volume Caution Frequent transmitting and loud receiver volume reduce available operating time Jan 4 02 2015 CX L 23 SUPER BLANIK Supplement No 5 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT
31. PROVED Cont 2 Appr Jan 4 02 15 T L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 1 0 Enter a moderate dive with slight forward movement of the control stick to gain a speed of 86 KIAS 160 km h IAS when flying solo or 97 KIAS 180 km h IAS when flying dual Raise the nose of the sailplane by slight backward movement of the control stick taking care not to apply excessive g forces and maintain this rate of backward stick movement throughout the first half of the loop but do not use more than about 60 of the control stick full deflection The load factor must drop in the inverted position After passing the inverted position the speed will increase and the control stick must be eased forward gradually until the sailplane is flying level again Before and during this manoeuvre rudder should be used to prevent yaw and ailerons used to keep the wings level Maintain precise directional control for proper completion CARA N 86 97 KIAS 86 KIAS SOLO S lt 97 KIAS DUAL 160 180 km h IAS 160 km h IAS SOLO 180 km h IAS DUAL FIG 4 3 Cont Appr Jan 4 02 4 16 Niza L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 Stall turn This manoeuvre should be begun at the speed of 92 KIAS 170 km h IAS when flying solo or 87 KIAS 180 km h IAS when flying dual Pull the c
32. abel Adjustment of pedals 34 Label Max pilot weight 35 Label Canopy jettison 36 Label Operating limitations 37 Label Seat position 38 Label Center of gravity 39 Radio control button 40 Battery for turn and bank indicator 41 Microphone 42 Deviation chart 43 Label Max alowable speed vs altitude 44 Positional pin of landing gear opened and locked position the landing gear handle must be located in front of the positional pin in flight direction Jan 4 02 ram L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 7 5 REAH COCKPIT STANDARD Fig 7 3 1 Control column 2 Rudder pedals 3 Airbrake handle 4 Elevator trim handle 5 Wheel brake handle 6 Landing gear handle 7 Rope release mechanism 8 Cockpit hood opening handle 9 Deviation chart 10 Handle of canopy jettison 11 Battery for turn and bank indicator 12 Turn and bank indicator switch 13 Altimeter 14 Airspeed indicator 15 Turn and bank indicator 16 Compass 17 Vertical speed indicator 18 Label Airbrakes extended 19 Label Airbrakes retracted 20 Label Canopy lift off 21 Label Max airspeeds 22 Label Elevator trim control 23 Label Wheel brake 24 Label No smoking 25 Label Tow release 26 Label airspeeds 27 ldentification number 28 Label TURN AND BANK INDICATOR 29 Manoeuvers with wing tip extensions forbidden 30 Label
33. ble length for aerotowing is 50 ft 15 m recommended length is 100 130 ft 30 40 m Winch launching the maximum cable strength or cable safety device weak link is 1460 Ib 6500 maximum permissible speed Vw 65 KIAS 120 km h IAS 2 120 THER LIMITATIONS A Maximum crosswind component maximum demonstrated crosswind component for safe approach landing and aerotow launching is 16 kt 8 m s for angle 90 Maximum demonstrated crosswind component for winch launching M 24 SO 22 kt 5 20 SEES RELATIVE ANGLE TO WIND DIRECTION Q 148 kt E 16 kt a 14 kt 12 kt ER 10 kt o Eo ES m ee x FIG 2 2 B Maximum demonstrated operating altitude 13 780 ft 4 200 m Cont Jan 4 02 2 8 L 23 SUPER BLANIK ALT 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 C Maximum Tire Pressure 37 psi 250 kPa D Continued Airworthiness Life Limits The initial sailplane service life is specified to 6000 flight hours and 30000 landings under the following operating conditions Max 4 83 take offs per 1 flight hour The winch launching aerotow take off ratio is 5 1 Crew 3596 double 65 single Elementary training to advanced training and to performance soaring ratio is 4096 60 whereby the aerobatics share is 2 of the total Operation Sailplane life Lg versus operation with wing tip extensio
34. channel frequencies Jan 4 02 4 of 5 Y L 23 SUPEH BLANIK Supplement No 5 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 STO button By depressing the STORE button the displayed frequency is entered in one of the 10 electronic memories provided that the CHAN switch is at one of the 1 trough 10 position SECTION 8 SAILPLANE HANDLING CARE AND MAINTENANCE Not affected Jan 4 02 55 cu 23 SUPER BLANIK 7 686 04 KUNOVICE CZECH SAILPLANE FLIGHT MANUAL 29 23 10145 SUPPLEMENT No 7 Volkslogger VL 01 GPS Flight Data Recorder N410BA Registration Number This supplement must be attached to the Sailplane Flight Manual when the Flight Data Recorder Volkslogger VL 01 GPS is installed The information contained herein supplements or supersedes the basic manual only in those areas listed herein For limitation procedures and performance information not contained in this supplement consult the basic Sailplane Flight Manual Revision No Revised Pages Description of Revision Dae Not subject to CAA approval Jan 4702 1 nf 3 L 23 SUPER BLANIK 7 686 04 CZECH REPOBLIC FLIGHT MANUAL P0 23 45 SECTION 1 GENERAL Not affected SECTION 2 LIMITATIONS System function and accuracy was not judged by Czech Republic Do not use VOLKSLOGGER as primary information sou
35. e use of the air brakes If a constant airspeed is to be maintained during a side slip the angle of pitcn must be constant The air speed indicator is unreliable during slip manoeuvers 43 5 80 km h IAS X N X 10 20 X FIG 4 2 Appr Jan 4 02 4 11 CHA L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 Appr 3 Stalls Siow and continuous pulling aft on the control stick causes the sailplane to stall Ailerons and rudder should be used to control bank if any Pre stall warning starts at the speed of about 596 higher than the stalling speed in the form of buffeting of the rudder pedals and of all front fuselage section When stalled the sailplane settles with a gentle pitching Move the control stick forward and start the stall recovery CAUTION Before stalling and spinning the following procedures must be done Trim neutral Air brakes retracted and secured Cockpit canopy locked and secured Ventilation shut Rudder pedals properly adjusted to allow full deflections Safety belts fastened and tight Loose objects removed or secured High Altitude Flight Operation above 13 780 4 200 m feet has not been demonstrated by the manufacturer A sailplane placard provides calculated maximum airspeeds above a pressure altitude of 13 780 4 200 feet for information only High altitude flight should be conducted in accordance with any
36. front instr panel rear instr panel Vertical speed indicator 10 knots installation 5 83 1777 1 82 555 LUN 1141 04 front instr panel rear instr panel 5 87 1789 1 87 570 Q3 LUN 1221 1 8 front instr panel rear instr panel 5 79 1765 1 79 546 AM 10 front front front instr panel rear instr pee Accelerometer Cont Jan 4 02 3016 Cx L 23 SUPER BLANIK Supplement No 8 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 Subject Type uu Arm from the Date of reference plane installation Me rib No 1 SN 108 front instr panel NEN gt Repeater SN 10 2 X 0 92 tr rear instr panel 0 42 1 DITTEL FSG 71M X ransceiver SG 5 2 3 16 963 front instr panel P 2 36 Jan 4 02 4 of 6 LET L 23 SUPER BLANIK Supplement 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL AAS SECTION 7 SAILPLANE AND SYSTEM DESCRIPTIONS 7 4 FRONT COCKPIT ik 7 15 45 46 1 28 2 30 12 11 CL 40 TA FIG 7 2 1 Control column 2 Rudder pedals 3 Airbrake handle A Elevator trim handle 5Wheel brake handle 6 Landing gear handle 7 Rope release mechanism B Rudder pedals adjustment 9 Cockpit hood opening handle 10 Handle of canopy jettison 11 Air vent
37. ht and balance CONTENTS 6 1 Introduction 6 2 Weight and balance record 6 3 Basic empty weight and moment 6 4 Balance chart 6 5 Balance record 6 6 Equipment list Jan 4 02 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 6 1 INTRODUCTION oection 6 includes basic empty weight and moment of the sailplane with standard equipment and the equipment list standard and optional equipment Procedures for determining the weight and centre of gravity position are explained by an example calculation 6 2 WEIGHT AND BALANCE RECORD Weight and balance record providing information for calculating centre of gravity position is given in the Maintenance Manual of the L 23 SUPER BLANIK Sailplane chapter 8 6 3 BASIC EMPTY WEIGHT AND MOMENT Welgt s sd ns 683 ID 310 kg 2 with the installed wing tip extensions 695 Ib 315 kg 2 Moment to the reference plane 17 923 1 in ID 206 5 kgm see weight and balance record The reference datum is located 93 6 in aft of the sailplane nose 6 4 BALANCE CHART FIG 6 1 1 Balance chart description The varying load scales are in the upper part of the page The separate scales are plotted in the middle part of the page chart of the centre of gravity position vs sailplane weight is given in the bottom part of the page The region of the allowable centre of gravity range is the sianted shape in the cha
38. ion Number N410BA This supplements must be attached to the Sailplane Flight Manual when the VHF DITTEL FSG 71M Transceiver is installed The informations contained herein supplements or supersedes the basic manual only in those areas listed herein For limitations procedures and performance information not contained in this supplement consult the basic Sailplane Flight Manual i Revision No Revised Pages Jan 4 02 Cru L 23 SUPER Supplement No 5 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do 123 1014 5 SECTION 1 GENERAL Not affected SECTION 2 LIMITATIONS Not affected SECTION 3 EMERGENCY PROCEDURES Not affected SECTION 4 NORMAL PROCEDURES Operating instructions for the VHF DITTEL FSG 71M transceiver Battery switch must be on before transceiver switching on Turn ON the transceiver with the right toggle switch lever up ON Selectthe desired operating frequency by rotating the increment decrement knobs either clockwise or counterclockwise A clockwise rotation will increment the previous frequency while a counterclockwise rotation will decrement the previous frequency The larger inside knob will change the MHz portion the smaller outside knob will change the kHz portion At one band edge 000 or 975 kHz the following 25 kHz change will wrap around to the other band edge Transmission is switched on by push to talk button on the front and rear control stick
39. ions which enlarge the wing span from the 81st series They may be connected to the standard wing instead of the laminated wing tips The vertical stabilizer is permanently fixed to the rear fuselage section The horizontal stabilizer is fastened by hinges on the top of the vertical stabilizer Elevator and aileron controls are actuated by control push rods and control cables the rudder control is pedal operated also by control push rods and control cables Air brakes are controlled by control levers The elevator trim tab is controlled by the control lever The sailplane is equipped with the main landing gear and the tail landing gear The main landing gear is mechanically semi retractable with an oleo pneumatic shock absorber and a mechanical brake The tail landing gear is equipped with a wheel and shock absorber Cockpits are ventilated by cold air tapped from the nose part of the fuselage The baggage compartment is behind the rear cockpit Both cockpits are upholstered FRONT SEAT BALLAST A Seat installation Fig 7 1 1 Disassemble and remove the seat from the front cockpit 2 Put the seat with ballast into the free space and insert stirrups pos 2 in the rear part of the seat into the chamber on the rest suspender 3 Move the levers on the seat sides upwards pawils will shift in the seat face and fold the seat pos 1 to the floor 4 Move the levers downwards the pawls will shift out and they must shift in the hole on the
40. irspeed calibration and stall speeds Other non approved information is provided AIRSPEED INDICATOR SYSTEM CALIBRATION It is valid for maximum weight of the sailplane Assumes zero instrument error INTRODUCTION APPROVED DATA 686 04 KUNOVICE CZECH REPUBLIC a 5 2 1 5 2 E EX ELA BENESSERE NNNM E SER T ES HT 0 E Ea 280 240 200 Eod ques qu ptt _ E EE 160 120 E MEE E CL N EE M RUE RR H T E cie cup ases 80 RE 7 ES ES 8 S E M m ES ES E Z E Eq 40 EIL e e O ed C v SVD U UIM paedsuly pejeJqieo KIAS Flight speed km h IAS 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 rie 5 Jan 4 02 ia 686 04 KUNOVICE CZECH REPUBLIC 5 2 2 Appr Jan 4 02
41. lumn 2 Rudder pedals 3 Airbrake handle 4 Elevator trim handle 5 Wheel brake handle 6 Landing gear handle 7 Rope release mechanism 8 Cockpit hood opening handle 9 Deviation chart 10 Handle of canopy jettison 11 Radio control button 12 Vertical speed indicator 13 Repeater SN 10 2 14 Airspeed indicator 15 Accelerometer 16 Compass 17 Altimeter 18 Label Airbrakes extended 19 Label Airbrakes retracted 20 Label Canopy lift off 21 Label Max airspeeds 22 Label Elevator trim control 23 Label Wheel brake 24 Not used 25 Label Tow release 26 Label Max airspeeds 27 identification number 28 Not used 29 Not used 30 Label Canopy jettison 31 Labe Operating 10 14 19 limitations 32 Label Center of gravity 33 Label Landing gear extended 34 Label Landing gear retracted 35 Microphone 36 Not used 37 Label Max alowable speed vs altitude 38 Positional pin of landing gear opened and locked position the landing gear handle must be located in front of the positional pin in flight direction SECTION 8 SAILPLANE HANDLING CARE AND MAINTENANCE Not affected Jan 4 02 6 of 6
42. mage or loose wing tip extension Aileron skin Ino damage to fabric cover trailing edge Ailerons free movement Airbrake locking hinges locking no damage of hinges or control tie rods l Jan 4 02 dads XH L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 Appr Item Subject NO secon Fuselage skin no damage Vertical stabilizer no damage Horizontal stabilizers condition of locking wire on the front pin of the horizontali stabilizer in front of the leading Check activity edge of the top part of the 1 vertical stabilizer free movement no damage of attachment Tail landing gear Landing gear attachment Hight wing see Item 4 left wing Front fuselage section Pins for canopy opening proper position against hinges Jan 4 02 4 7 LET L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 3 2BEFORE TAKE OFF CHECKLIST Front seat Before entering the front cockpit adjust the front seat back rest to a position allowing control of the sailplane when fully strapped in Rudder control The position of the rudder pedals should be adjusted with the pilot fully strapped in
43. mentioned in the SN 10 User Manual Appendix Volksloger flight data recorder is switched on automatically when SN 10 is switched on SECTION 5 PERFORMANCE Not affected SECTION 6 WEIGHTS AND BALANCE SN 10 sailplane computer weight 1 57 Ib 0 71 kg arm 72 05 in 1 830 mm SN 10 2 repeater weight 0 93 Ib 0 420 kg arm 22 44 in 570 mm Variometer RAZ weight 0 40 Ib 0 18 kg arm 69 69 in 1 770 mm Jan 4 02 3 of 4 L 23 SUPER BLANIK supplement vo 4 686 04 KUNOVICE CZECH REPOBLIC SAILPLANE FLIGHT MANUAL 29 23 1014 5 SECTION 7 SAILPLANE AND SYSTEM DESCRIPTION llec SN 10 sailplane computer is installed in the sailplane Control boxes with display are located on the front and rear instrument panel Inputs from temperature probe pitot static system and GPS unit from Volkslogger are led into SN 10 Data are presented on the displays and RAZ variometer which is located on the front instrument panel llec SN 10 Sailplane Computer controls Off Vol knob switches on SN 10 by turning clockwise and sets audio signals volume Repeater on the rear instrument panel has not this knob Page Help selects SN 10 pages by turning when it is held depressed knob button displays help text for the currently selected field When you release the button the help text dissapears and the normal screen is restored For some fields a second page of help is provided when you release button press and release
44. nges 30 10 Line 3 Rear instrument panel changes 10 Line 4 Line 5 29090 Weight Ib al LE WC 700 A FIG 6 1 4 02 cO v uer Permitted crew passenger weight Ib with c g Max baggage 22 Ib Half baggage 11 Ib pos MAC Front seat Front seat Hear seat Front seat No baggage 0 Ib Rear seat TL IX ERU DL CELL pep XE Ln Approved 1 Single seat 2 Tandem seater max front pilot 3 Tandem seater max rear pilot Date signed rh aa 6010318 3ONVIVH 59 HO3Z7O 989 TVANVW LH9l14 ANVIdTIVS U3dNS 22 1 Ec 1 90 HB L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 6 6 EQUIPMENT LIST Standard S items must be installed for all operations Optional items are available for installation Installed items for each sailplane equipment list will be marked with an X and included in the Empty Weight c g pos of the Balance Hecord Date of 6 subject Type Mass Arm from the Ib reference plane installation kg rib No 1 ft mm eee X Altimete
45. ns is Lg 6000 25 x where x is operation with wing tip extensions in percents of the total operation time E Max loads factors are marked by a red line on the accelerometer 5 3 n 2 65 lan 4 02 92 Niza L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 13LIMITATIONS PLACARDS The following operating limitations are emphasized on the limitation placards in both cockpits a front cockpit 0 MIN PILOT S WEIGHT FOR SOLO FLIGHTS WITHOUT BALLAST 154 LB WITH 33 Ib BALLAST 121 LB I 3310 MIN PILOT S WEIGHT FOR SOLO FLIGHTS WITHOUT BALLAST 70 kg WITH 15 kg BALLAST 55kg L r kg SS _ Or SEAT BACK PEDAL ADJUSTMENT CENTRE OF GRAVITY RANGE FRONT LIMIT 23 MAC REAR LIMIT 40 MAC AIR VENT b both front and rear cockpits d J mS AIR BRAKES CANOPY LIFT OFF 5s f ED erme MAX 15kg LANDING GEAR CANOPY JETTISON see para 3 2 2 BAGGAGE REAR SEAT ONLY 4 02 2510 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 On customer s request MAX ALLOWABLE SPEED VS ALTITUDE PRESSURE ALTITUDE FT UPTO 1378020 000 25 000 30 000 35 0 WITHOUT EXTENSIONS 124 124 116 108 100 WITH EXTENSIONS 124 114 105 97 89 MAX ALLOWABLE SPEED km h IAS VS
46. ntersection with Line 4 as Point D Next use Scale 4 for any changes in the rear instrument panel in the same fashion as in the previous paragraph That is how you arrive at point E Draw a vertical on down to the lower part of the chart Now use the weight scale on the lower left part of the balance chart Mark the sum of all weights Empty sailplane front pilot parachute ballast seat rear pilot parachute instrument changes baggage Draw a horizontal line from the mark to the right The center of gravity position is at the intersection of this horizontal line with the vertical from Point E If this intersection is inside the slanted shape the glider is loaded correctly If the intersection is outside the glider has to be reloaded Note The baggage weight is to include any battery oxygen Jan 4 02 bottle water bottle etc ltems in the baggage compartment have no influence on the centre of gravity position but they must be included to the sum of all the weights L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 300 250 200 150 100 50 0 Scale 1 Ib 300 200 100 Scale 2 Ib 30 10 Scale 3 Ib 10 5 4 a_a Line 0 SAILPLANE CENTER OF GRAVITY RANGE 62 10 Front Pilot parachute seat balast 300 250 200 150 100 50 1 Line1 Rear Pilot parachute 300 200 100 a Line 2 i B Front instrument panel cha
47. ockpits Date of Jan 13 99 aed 686 04 KUNOVICE L 23 SUPER BLANIK Supplement No 4 CZECH SAILPLANE FLIGHT MANUAL 29 28 1014 5 SUPPLEMENT No 4 ILEC SN 10 Sailplane Computer This supplement must be attached to the Sailplane Flight Manual when the ILEC SN 10 Sailplane Computer is installed The information contained herein supplements or supersedes the basic manual only in those areas listed herein For limitation procedures and performance information not contained in this supplement consult the basic Sailplane Flight Manual Not subject to CAA approval Jan 4 02 ig Pages _ of Revision 1 of 4 Sta L 23 SUPER BLANIK supplement no 4 686 04 KUNOVICE CZECH REPOBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 SECTION 1 GENERAL Not affected SECTION 2 LIMITATIONS oystem function and accuracy was not judged by CAA Czech Republic Do not use ILEC as primary information source SECTION 3 EMERGENCY PROCEDURES Not affected SECTION 4 NORMAL PROCEDURES ILEC SN 10 Sailplane Computer operation Note Detailed description of the operation is mentioned in the SN 10 User Manual Software Version 2 21 revision date 17 May 2001 Battery switch on the front instrument panel must be on before SN 10 switching on SN 10 is switched on by turning clockwise of the Off Vol knob Audio signals volume is set by means the same knob WARNING
48. on 1 2 Certification basis 1 3 Warnings cautions and notes 1 4 Descriptive data 1 5 1 Three view drawing Dimensions in ft 1 5 2 Three view drawing Dimensions in mm Jan 4 02 DES L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 1 1 1 2 1 3 INTRODUCTION The sailplane flight manual has been prepared to provide pilots with information for the safe and efficient operation of the L 23 SUPER BLANIK sailplane This manual includes the material required to be furnished to the pilot by JAR 22 It also contains supplemental data supplied by the sailplane manufacturer CERTIFICATION BASIS This type of sailplane has been approved by the Civil Aviation Authority of the Czech Republic in accordance with JAR 22 Change 4 issued April 1 1980 including Amendment 22 86 1 Eff Oct 22 1986 and AC 21 17 2 WARNINGS CAUTIONS AND NOTES The following definitions apply to warnings cautions and notes used in the Flight Manual WARNING MEANS THAT THE NON OBSERVATION OF THE CORRESPONDING PHOCEDURE LEADS TO AN IMMEDIATE OR IMPORTANT DEGRADATION OF THE FLIGHT SAFETY CAUTION means that the non observation of the corresponding procedure leads to a minor or to a more or less long term degradation of the flight safety Note draws the attention on any special item not directly related to safety but which is important or unusual Jan 4 02 1 2 CXTRA L 23 SUPER BLANIK 686 04
49. ontrol stick gently backward to bring the nose to a position of about 60 to 70 above the horizon Ease the control stick forward slightly to maintain this attitude As the speed falls to 70 76 KIAS 130 140 km h IAS start to apply rudder slowly in the required direction of turn As the force on the rudder decreases gradually apply full rudder Full deflection of the rudder should be reached when the sailplane heads about 45 in the direction of turn The ailerons should be used against the direction of turn as necessary to prevent the sailplane rolling to the inverted position As the nose approaches the reciprocal heading neutralize the rudder keep the wings level by use of the ailerons and ease out of the resulting dive taking care not to apply excessive g 70 76 KIAS 130 140 km h IAS A 5 gt 170 km h IAS SOLO 7 92 KIAS SOLO 180 km h IAS DUAL 97 KIAS DUAL FIG 4 4 Cont Appr Jan 4 02 4 17 TEB L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 3 Lazy eight Move the control stick slowly forward to attain the entry speed of 97 5 180 km h IAS solo or dual Perform the steep turn to the selected side smoothly pulling the control stick with simultaneous coordinated use of ailerons and rudder At a speed of 54 KIAS 100 km h IAS transition the sailplane to a descent and after reaching a speed of 97 KIAS 180 km h IAS perform the steep
50. oval Hemove the safety wire from the front pin of the horizontal stabilizers in front of the leading edge of the vertical stabilizer on its top Rotate the pin handle 180 and pull out the pin Elevate the horizontal stabilizer leading edge about 30 up slip out the horizontal stabilizers from pins by pulling forward It is recommended that the elevator to be in the neutral position during removal Put the horizontal stabilizers on the special handling equipment support 4 3 PREFLIGHT INSPECTION The pilot must check the sailplane for proper condition in accordance with the checklist walkaround inspection before getting into the sailplane It is recommended to perform the inspection as show in Fig 4 1 4 02 4 4 LET L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 Sequence of the walkaround inspection Cont Appr Jan 4 02 4 5 i f i L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 3 1 WALKAROUND INSPECTION CHECKLIST Subject IFront fuselage section Fuselage skin Cockpit canopy surface no damage or dirt Nose pitot tube no damage or clogging Cockpit Radio station if installed proper operation Front ventilation for season 2 edge E Wing tip fairing no da
51. r The informations contained herein supplements or Supersedes the basic manual only in those areas listed herein For limitations procedures and performance information not contained in this supplement consult the basic Sailplane Flight Manual Revision Revised Pages Description of Revision I k 1 1 li i H 4 02 1 of 6 Xa L 23 SUPER BLANIK Supplement 8 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL 123 1014 5 SECTION 1 GENERAL Not affected SECTION 2 LIMITATIONS Not affected SECTION 3 EMERGENCY PROCEDURES Not affected SECTION 4 NOHMAL PROCEDURES Not affected SECTION 5 PERFORMANCE Not affected Jan 4 02 2of6 L 23 SUPER BLANIK Supplement No 8 KUNOVICE 04 686 CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 SECTION 6 WEIGHTS AND BALANCE 6 6 EQUIPMENT LIST Standard S items must be installed for all operations Optional items are available for installation Installed items for each sailplane equipment list will be marked with an X and included in the Empty Weight c g pos of the Balance Record Arm from the Subject Type a reference plane rib No 1 Altimeter UI5934P 3 1 1 75 l 5 82 1774 777 front instr panel 085 1 81 551 d ir 4 instr panel 0 85 1 81 5551 ss Airspeed LUN 1106 15 8 Rc indicator 7
52. r U15934P 3 0 90 front instr panel 0 41 rear instr panel 1 81 551 5 83 1777 l 2 Airspeed indicator LUN 1106 15 8 8 1 82 555 front instr panel 0 4 rear instr panel 3 X Electric LUN 1211 1 0 79 5 83 1777 turn and bank side front instr panel 0 36 1 82 555 indicator rear instr panel 4 X Vertical speed LUN 1141 02 1 06 5 87 1789 indicator 1000 instr panel 0 48 1 87 570 ft min rear instr panel or Vertical speed LUN 1141 04 1 09 87 L689 indicator 10 front instr panel 0 48 1 87 570 knots rear instr panel 5 X Vertical speed LUN 1147 12 8 5 802 1768 indicator 6000 front instr panel ft min Vertical speed LUN 1147 23 8 11 5 802 1768 indicator 60 front instr panel 0 5 knots Cont D 6 6 Apr 9 02 mi L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 5 79 1765 front instr panel O 1 79 546 rear instr panel X Accelerometer AM 10 front 8 Redi w station Optional O Items 3 4 5 6 7 as applicable is required for pilot s station for cloud flying operations Subject Type A reference plane instalation 2 rib No 1 ft mm
53. r ailerons Set the elevator trim tab control to a position between zero and nose heavy and hold the control stick in the neutral position on the landing gear and at liftoff speed pull the control stick gently to unstick the sailplane Hold the sailplane in horizontal flight at a height of 3 ft 1m until the towing airplane starts to climb The take off with cross wind is different from the normal take off It is necessary to bank the wing into the wind in proportion to the wind speed and to unstick the sailplane at a higher speed The tow rope should be attached to the front hook only Note Before take off close the ventilation in order that dust and impurities do not get into the cockpit The ventilation can be opened during at climb 2 Winch launching CAUTION Use either side hooks or lower hook depending on which hook is installed WARNING NEVER USE FRONT HOOK FOR WINCH LAUNCHING The winch launching is entirely conventional Set the elevator trim tab control to the neutral position The recommended speed for winch lauching is 43 54 KIAS 80 100 km h IAS Do not retract the landing gear when performing the traffic pattern 3 Aerotow a Climb Hetract and lock the landing gear by pulling the handle in your direction when above aminimum safe height of 66 ft and the minimum speed of 54 KIAS 100 km h IAS is reached Trim the sailplane for the clim speed The sailplane angle of attack is fairly high when the climb
54. rce SECTION 3 EMERGENCY PROCEDURES Not affected SECTION 4 NORMAL PROCEDURES Volkslogger VL 01 GPS Flight Data Recorder operation Note Detailed description of the operation is mentioned in the VOLKSLOGGER User Manual Edition 1 7 2 English 05 07 2000 for Volkslogger Firmware 3 6 Subrelease 174 Hardware 3 4 Flight data recorder has no own power switch lt is switched on automatically after SN 10 sailplane computer switching on because these instruments are interconnected each other Data enering before flight for competition flights see VOLKSLOGGER User Manual item 5 6 It is necessary to enter desired data pilot name sailplane number task etc before flight into the digital flight declaration form SECTION 5 PERFORMANCE Not affected SECTION 6 WEIGHTS AND BALANCE Volkslogger installation weight 1 00 0 455 kg arm 29 29 in 744 mm Jan 4 02 2 of 3 7 23 SUPER BLANIK 7 686 04 KUNOVICE CZECH REPOBLIC SAILPLANE FLIGHT MANUAL 99749 10149 SECTION 7 SAILPLANE AND SYSTEM DESCRIPTION Volkslogger flight data recorder is installed in the sailplane it is approved FAI FAI Sporting Code Section 3 Annex B for competition using Maximum record capacity is up to 30 hours Geographic attitude GPS altitude and barometric altitude are recorded Volkslogger contains GPS receiver with integral antenna Volkslogger can be used for navigation purposes and to obtain informa
55. rough ground To increase accuracy of the landing manoeuvre Note case of using air brakes during landing it is necessary to maintain an approach speed of about 5 kts 10 km h IAS higher because the stall speed with fully opened air brakes is about 3 4 kts 5 7 km h IAS higher avoid exceeding the never exceed speed vNEg during unusual atti tude recoveries for example during aerobatics It is recommended to use the air brakes in any case when the sailplane starts to increase the speed and the pilot is uncertain of his orientation or how to manage the situation Configuration with air brakes extended will ensure that is not exceeded Use of air brakes will enhance the safety and makes handling easier because the extended air brakes tend to stabilize the sailplane The control lever should be held firmly when operating the air brakes to ensure smooth deployment and retraction RET 23 SUPER BLANIK 686 04 KUNOVICE i CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do E23 1014 5 4 4 6BASIC AEROBATICS The L 23 SUPER BLANIK sailplane is able to perform the listed approved aerobatic manoeuvres The rate of acceleration of this sailplane is high SO great care must be taken not to exceed limitations given in Sections 2 2 2 6 and 2 7 Instruction guidelines for performing approved aerobatic manoeuvres are given on pages 13 to 19 of this Section WARNING ONLY MANOEUVRES WITH POSITIVE LOAD FACTORS ARE AP
56. rt and it refers to all flight conditions Cont Jan 4 02 L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 2 Directions for the balance chart use see FIG 6 1 on Page 6 4 Line 0 Make a dot on the Empty Sailplane Center of Gravity Range corresponding with the value shown on the Balance Record on page 6 5 When the wing tip extensions are used move the center of gravity of the empty sailplane 1 in aft direction Draw a vertical down to Line 1 The intersection of the vertical and Line 1 is Point A Next use Scale 1 at the top of the chart Measure the distance from O on that scale to a number corresponding with the weight of the front pilot parachute ballast seat if used Transfer this distance from Point A to the left draw a vertical and mark the intersection with Line 2 as Point B Next use Scale 2 Measure the distance from O on that scale to a number corresponding with the weight of the rear pilot parachute Transfer this distance from Point B to the left draw a vertical and mark the intersection with Line 3 as Point C Next use Scale 3 for any changes in the front instrument panel Measure the distance from O on that scale to a number corresponding with the weight of any instrument added or removed Transfer this distance from Point C to the left if an instrument is added to the right if removed Draw a vertical and mark the i
57. speed is low and the from cockpit is reduced considerably Therefore it is recommended that the towing aircraft to keep a climbing speed of 54 70 KIAS 100 130 km h IAS Cont Appr Jan 4 02 4 9 CHA L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 i The pilot should avoid overcontrollina Principles of aerotow are the same as for other sailplanes b Level flight maximum speed for aerotow is 81 KIAS 150 km h IAS It is necessary to trim the sailplane to reduce control forces and to decrea se pilot fatigue during longer flights on tow It is necessary to realize that control sensitivity increases with flight speed c Descending A satisfactory rate of descent 390 590 ft min 2 3 m s can be obtained when the towing aircraft maintains an airspeed at least of 54 KIAS 100 km h IAS Appr Jan 4 02 4 10 LET 1 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 4 2FLIGHT 1 Turns and circling The sailplane is very manoeuvreable and controllable and its behaviour is very good in turns with angles bank up to 60 2 Side slipping The piloting technique of the side slipping is entirely conventional The angle of bank of the sailplane should be between 10 and 20 The side Slip is not very effective mean of loosing height in this sailplane As the rate of descent may be effectively increased by th
58. tion stored in database 25 pilot names 25 task each max 10 way points and 500 waypoints airport included Recorder is located on top of the rear instrument panel to ensure receiving from GPS satellites It is controlled by three keys located on the instrument front side next to display Volkslogger VL 01 GPS Flight Data Recorder controls 1 to 3 control keys 4 GPS antenna 5 display 6 plug The keys have different functions depending on the display and the operating mode of the recorder For instance key 1 has the function of an escape key exiting the menu level to the next higher level Key 2 has the next function You can select the displayed menu items with it Beside this in modes where you can change a value key 2 can be considered a key as key use key 3 Key 3 also has the property of an enter key With it you can go to the selected menu Every key has an auto repeat function which means that if it is held depressed longer than 0 5 sec it acts as if it is pressed repeatedly in rapid succession SECTION 8 SAILPLANE HANDLING CARE AND MAINTENANCE Not affected Jan 4 02 3 013 Cua L 23 SUPER BLANIK Supplement No 8 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L23 1014 5 SUPPLEMENT No 8 FRONT AND REAR COCKPITS i Serial Number Registration Number N410BA This supplement must be attached to the Sailplane Flight Manual of the above mentioned sailplane serial numbe
59. turn to the opposite side smoothly pulling the control stick with simultaneous coordinated use of ailerons and rudder The flight path intersects at the lowest point of the manoeuvre 54 KIAS 97 KIAS p km h IAS 180 km h IAS MEA NEL km h IAS FIG 4 5 Appr Jan 4 02 4 18 Siig L 23 SUPER BLANIK 686 04 KUNOVICE CZECH REPUBLIC SAILPLANE FLIGHT MANUAL Do L 23 1014 5 4 5 The sailplane performs the spin without any tendency to enter a flat spin at all operating centre of gravity positions The sailplane has the tendency to recover from the spin by itself when at the maximum flight weight and the forward centre of gravity Entering the spin is entirely conventional Pull the control stick slowly back to approach the stall use the full deflection of the rudder the stall speed of aproximately 32 5 60 km h IAS Fig 4 3 and maintain full aft deflection of the control stick Initiate recovery from the spin by applying full opposite deflection of the rudder When the sailplane stops the rotation neutralize the rudder and simultaneously ease the control stick forward Recover the sailplane from the dive in the usual way The attitude during the spin is 60 to 70 nose down and the loss of height in one turn is aproximately 260 ft 80 when flying solo and 390 ft 120 m when flying dual The time of one revolution of the spin is approximately 3 5 secs Caution 1 Before spinning accomplish the procedures
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