227_Return to Service Manual Mirage Matrix FINAL 010511
Contents
1. Pilot and Copilot Seats e Check all functions just as with the passenger seats e Check seats for positive engagement of seat latch and for installed stops at each seat track e Check the height adjustment the fore aft slide adjustment and lumbar support function e Verify proper seat belt function Make sure that the seat belts on all seats are installed correctly and not bound by the seat track or seat position Check lap belts and shoulder harnesses for fraying Check shoulder harnesses for proper operation of inertia reels should lock when tugged FIRST TEST FLIGHT Before Engine Start e Check the security and function of each and every switch left to right around the cockpit e Turn the night lights up and verify that all lights and dimmer knobs are working particularly the standby instrument internal lights e Press the annunciator panel test button and observe all of the pretty lights e Verify the primary static air source is selected e Complete all other items listed in the POH checklist Engine Start e Start the engine using the approved checklist in the POH Before completing the check list turn on the 5 important switches These switches are master 2 mags and 2 alternators Then complete the checklist as indicated This approach will help avoid trying to start the aircraft with the mags off as can easily happen if distracted while completing the checklist per the POH e Note Hobbs time local time an2. The return to service checklist for each variation of the PA46 is unique even if much of the checklist is common to all Liability Limitation This checklist is not provided from endorsed by affiliated with nor supported by the New Piper Aircraft Inc Lycoming Engines Continental Pratt and Whitney JetProp or any other parts or equipment vendor in any way All copyrights remain the property of their respective owners The procedures contained within are necessarily based upon generic flight operations and intended to supplement compliance with all operating manuals for the aircraft and systems described therein These procedures are not always accurate in all situations MMOPA including but not limited to the authors contributing to the checklist or editors of the checklists assumes no liability for any incorrect information The purpose of the checklist is not to claim ownership of any content herein rather to show flight operations and performance of the PA46 based on available public information Material in the checklist may include technical inaccuracies or typographical errors Changes may be periodically incorporated into this material MMOPA may make improvements and or changes to the content described in these materials at any time without notice THE CHECKLIST MATERIALS ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FIT
3. facing away from the tire e Confirm that no brake lines leaking e Verify that the gear actuator attachment point at rod end safe tied e Ensure that the wheel well is clean of debris e Drain fuel Note that draining the fuel at the collector tank can create problems with a stuck drain Do not twist the drain valve when draining fuel This will allow the valve to stick open While draining the fuel look at the bottom of the airplane any oil exhaust or grease stains should be investigated at this time especially if the stains appear fresh from the last flight or inspection Engine Cowling and Nose Section e Inspect the front baggage area Confirm that the handle and lock are secured Confirm that the door ajar is off on annunciator panel Check brake fluid level Check condition of instrument filter for dirt Check security of cross over bleed air pipes e Check that the battery drain orifice is open and unobstructed e Inspect the exhaust pipe Verify that the oil breather tube is attached to exhaust pipe left exhaust only Confirm no excessive play on the exhaust pipe This is a no fly condition due to the potential fire hazard Check under aircraft for signs of excessive oil usage or leaks e Ensure that all of the cowling fasteners are present and flush with the cowling e Inspect the nose gear doors Check the piano hinge for security Check for cracks or bend marks on the doors indicating sequence valve
4. off roll and initial climb Bring up the power to at least 42 MAP before brake release Ensure that engine power fuel flow and prop rpm are all in the green before brake release Note engine instrumentation on take off roll and during climb and record them once the autopilot is engaged Note the length of the take off roll and record once the autopilot is engaged Observe gear cycle time and verify normal operations Maintain Vy 110 KIAS and remain close within 2 NM of the airport Check flight controls Verify normal and proper response during climb Confirm the pressurization system is active passing 1 000 ft AGL Mirage only Low Altitude Set up for VMC cruise flight between 8 000 and 10 000 AGL if possible verify all pilot and copilot instrumentation are in agreement and within limits Verify engine parameters are operating in normal range Verify proper operation of the fuel system Switch tanks and verify normal operations Check wing balance and airplane rigging Fuel should be precisely balanced and the rudder trim centered Verify that the ball is centered in the turn and bank indicator At cruise airspeeds disconnect autopilot if employed and release control wheel If aircraft rolls left or right it is wing heavy Note how many seconds it takes to make a 20 degree change in bank angle and provide this information to the mechanic Adjustment of the ground adjustable tab on the right aileron can improve this condit
5. on each wing located mid wing and near the wing root are present and secured Inspect the aileron All rollers and cable routings on the aft side of the wing should be free and correct to the aileron sector pulley Stops on the pulley must be set for the aileron limits of travel Counterweights on the leading edge of the aileron must be secured The aileron should move freely throughout its range of motion Check aileron cables for routing corrosion and kinking Check aileron guides for positioning and security Sector pulley secured Limit bolts secured Free in all range of travel Aileron counterweights installed Confirm that wing tip is absent any hanger rash Check all surfaces for loose rivets Strobe and navigation lights secured with no corrosion around light mountings Remove Pitot cover Verify that the main span I beam upper and lower surface is free of cracks or deformation e Confirm fuel vent open and clear Ensure that the NACA fuel vent is clear and open Do not put any object in the fuel vent that can damage the rubber portion of the fuel relief valve e Check carefully the dielectric paint the flat black paint that borders the boot e Check boot integrity looking for pin holes or tears During flight a boot inflation test should be conducted to see if the boots are inflating properly and the appropriate lights showing the boot cycle should be on for the designated time The only problem with thi
6. portable VHF transceiver with a charged battery e A Halon 1211 or 1211 1301 blend fire extinguisher Flight Area and Environmental Conditions Conduct the Test Flight in good day VFR only and remain close to the airport straying no more than 50 NM Make no exception to this rule An airport equipped with good emergency services firefighting and first aid would be highly desirable Also depending on the importance of the items being checked i e basic airworthiness of the airframe and engine it would be desirable to remain closer within 10 NM or within easy gliding distance of the departing airport Safety While obvious safety must be the number one priority of any Test Flight The test pilot should never be rushed or under pressure to complete the flight If any condition arises that puts the safe outcome of the Test Flight in doubt the flight must be terminated immediately Be prepared to declare an emergency even if suspecting the conditions require such action Checklist Structure Each model of the PA46 has a unique configuration based on engine type and year of production Reflecting that diversity there are several versions of this manual Each devoted to one model the Meridian JetProp Mirage Matrix or Malibu The Matrix is combined with the Mirage with the expectation that Matrix pilots will simply ignore any checklist items relating to pressurization Each member will receive the section applicable to his her model
7. resulting in air in the lines and soft braking Pumping the brakes may restore pressure if brakes are soft or sometimes the brakes will operate properly on the co pilot side if the pilot side does not If you are comfortable landing from the other seat go for it In any event select an adequate runway for a no brake landing Landings e Complete several landings Include normal short field cross wind and no flap landings Aircraft should track true in all landing configurations e Test brakes Application of the brakes should be without any grabbing or veering of the aircraft Shutdown e Normal engine shutdown e Note Hobbs and total elapsed time Generally about 80 of engine start to shutdown time would be expected on the Hobbs but the discrepancy may be different since more time than usual was probably spent on the ground portion of the flight e Complete shutdown per the POH Make sure all switches are turned off Lights and blowers often are left on and these can be high draw items depleting the battery for the next start Mags off then battery and alternators last Always verify one last time that the same 5 switches used to start the aircraft are turned off before leaving the aircraft Post Flight e Check the exterior of the aircraft for evidence of leaks Check the fluid level of the hydraulic pump inside the cabin Once outside of the cabin walk around the airplane and pay careful attention to check for any le
8. the throttle to deliver 13 MAP and use a pencil to mark both the front and the rear of the throttle lever on the throttle quadrant so that the micro switch can be reset by the mechanic to activate the horn properly e Operate and verify correct operation of all threat ID equipment on board NEXRAD RADAR lightning detection sferics terrain awareness ground proximity warning TAS and TIS e Test all avionics Check all modes refer to POH Pilot s Guide for procedures of specific avionics equipment installed in airplane For each Com radios check the squelch and volume control For each Com radio perform a radio check in flight with the appropriate ATC facility Check the proper functioning of the Audio Selector Panel For transponders ask ATC for a discrete code to check the Mode C S accuracy e Communicate with ATC and ensure transponder altitude matches aircraft s altitude High Altitude and Cruise e Climb to FL250 if possible but at least to 14 000 feet 12 500 for Matrix e Check max cabin pressure differential Mirage only With the cabin Isobaric Pressure Controller set at 1000 ft outer scale The cabin pressure differential OP should reach the maximum 5 5 psid at 14 000 ft Pressure Altitude e Lean the engine to high normal and low cruise power settings and confirm power settings and fuel flows per the POH Use the auto pilot during this phase when attention is be diverted Lean sl
9. the wing root are present and secured Inspect the aileron Confirm that wing tip is absent any hanger rash Check all surfaces for loose rivets Strobe and navigation lights secured with no corrosion around light mountings Remove Pitot cover Verify that the main span T beam upper and lower surface is free of cracks or deformation Confirm fuel vent open and clear Check carefully the dielectric paint the flat black paint that borders the boot Check boot integrity looking for pin holes or tears Inspect bottom of the wing for fuel leaks Check the landing gear doors for security and proper angle of 10 degrees out Verify that the squat switch left gear only is clean and all electrical leads attached Confirm that struts are inflated 3 5 inches with full fuel Verify that there is no excessive play or wear on landing gear torque links Check tire condition i i 0g Check brake pad thickness Minimum allowable thickness is 0 10 or about the thickness of two stacked pennies Verify that the brake line security bolt head is facing away from the tire Confirm that no brake lines are leaking Verify that the gear actuator attachment point at rod end safe tied Ensure that the wheel well is clean of debris Drain fuel Engine Cowling and Nose Section O O O O O LI LI O O O O Inspect the front baggage area Check that the battery drain orifice is open and unobstructed Inspect the exhaust
10. turn for a full 360 degrees in level flight and check agreement of all ADI s Perform a 15 degree pitch climb and descent for at least 500 feet and check agreement of all ADI s e Verify turn coordinator operations While maintaining level flight perform and time a left and right standard rate turn for 180 degrees The 180 degree standard rate turn should take 1 minute 7 seconds Verify HSI DG operations Check proper functioning of pilot s HSI and copilot s DG if installed Perform 30 degree bank turns and check agreement of HSI DG with each other and with magnetic compass at the end of the turn The DG should not precess more than 4 degrees in 10 minutes Verify vertical speed indicator VSI operations While maintaining level flight the VSI s should indicate zero Per the VSI indication time a 500 ft min climb and descent for 1 minute After 1 minute the indicated altitude change should be 500 ft 100 Verify landing gear operations With the landing gear retracted accelerate to top of the green arc The red gear warning light should not illuminate Check for any unusual vibrations and buffeting Slow down to 169 KIAS and extend the landing gear at 169 KIAS In smooth air accelerate to top of the green arc Check for any unusual vibrations and buffeting After this test slow down to below130 KIAS and retract the landing gear Test the Emergency Gear Extension system per the POH Perform t
11. walk around inspection outside Confirm that the flap indicator shows the appropriate position on its gauge Check alternate air door for full and unobstructed operation Ensure moves properly noting proper resistance and confirm sound of opening and closing Verify shut completely to avoid ingesting debris when start engine Avoid opening when engine running on the ground e With assistance from someone outside verify all lights operate Check the function of all exterior lights position strobe navigation landing taxi pulse and ice e Check stall vane function Vane function press the stall warning test button while someone observes the vane The vane should move full deflection when the test button is pushed Vane heating When your Mirage or Matrix came from the factory its stall vane heater was wired through the left main gear door switch However after compliance with Piper AD 2008 26 11 which requires installation of the stall warning heat control modification kit the high stall heat will instead be activated by actuation of the squat switch If AD 2008 26 11 has been accomplished test stall heat on the ground using the following procedure With the stall heat switch in the cabin on have someone actuate the squat switch located on the left main gear scissor Have a second person feel the mounting base of the stall transducer It should get hot almost immediately after which the squat switch should be released
12. Do not touch the stall transducer tab e Battery radio master and magnetos off and secured e Check side or storm window for cracks and security e Check oxygen system Matrix only by plugging in mask pulling the oxygen flow valve open and observing flow by seeing the black ball rise in the column when held vertically Record amount of oxygen in the tank before and after the flight as a decrease suggests a leak e Interior checks of seats belts cabinets emergency exit and cargo netting for security and cracks e Check hydraulic fluid level in area aft of baggage storage Remove panel or use sight gauge Add fluid MIL H 5606 if necessary Do not overfill this reservoir or serious damage can result e Check all of the seat backs for integrity and cracks beneath the carpeted backs e Check the clear plastic document pouch for the presence of the correct airworthiness certificate and registration Remove old and outdated documents e Verify that the spring loaded seat back release latches are operating normally and not damaged or binding e Ensure that required equipment is available in the airplane This list would include at least the following e microphone or headset self calibrating precision strobe tachometer screw driver fire extinguisher pencil or pen and paper to record results carbon monoxide detector handheld Nav Com fuel strainer Main Cabin Door MCD e Check main cabin door pressure seal The main
13. NESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL MMOPA including but not limited to the authors contributing to the checklist or editors of the checklists BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING SPECIAL INDIRECT CONSEQUENTIAL OR INCIDENTAL DAMAGES OR DAMAGES FOR LOSS OF PROFITS REVENUE USE OR DATA WHETHER BROUGHT IN CONTRACT OR TORT ARISING OUT OF OR CONNECTED WITH ANY OF THE CHECKLIST OR THE USE RELIANCE UPON OR PERFORMANCE OF ANY MATERIAL CONTAINED IN THE CHECKLISTS THERE IS NO WARRANTY REPRESENTATION OR CONDITION OF ANY KIND AND ANY WARRANTY EXPRESS OR IMPLIED IS EXCLUDED AND DISCLAIMED INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE THE PILOT INCOMMAND IS RESPONSIBLE FOR THE SAFE AND PROPER OPERATION OF HIS HER AIRCRAFT AND IT IS THE RESPONSIBILITY OF THE PILOT IN COMMAND TO OPERATE THAT AIRCRAFT IN COMPLIANCE WITH THAT AIRCRAFT S PILOT S OPERATING HANDBOOK AND OTHER OFFICIAL MANUALS AND DIRECTIVES ANNOTATED CHECKLIST Preflight Since the PA 46 350P has been in production continuously from 1989 to the present there have been several modifications to the airframe avionics and components Each Mirage therefore will be a little different than other production units but all have more in common than differences Avionics autopilots instruments switches interiors props and cowlings are the greatest changes and differ mostly by year of manufacturing Items specific t
14. Return to Service Manual for PA46 Aircraft Mirage amp Matrix Ne MMOPA PROVIDED AS A MEMBER BENEFIT FOR MMOPA CONTRIBUTORS Mary Bryant Malibu Ron Cox Mirage John Mariani JetProp Dick Rochfort Meridian MECHANICAL REVIEW Kevin Mead ORGANIZED AND EDITED Jeff Schweitzer Richard Geist COPYRIGHT 2009 2011 MALIBU MIRAGE OWNERS AND PILOTS ASSICIATION P O Box 1288 Green Valley AZ 85622 Reproduction prohibited without permission Overview Proper maintenance is essential to safety in aviation As with all other high performance aircraft the PA46 requires close scrutiny and regular maintenance to ensure that all systems are functioning properly Ata minimum the aircraft undergoes extensive disassembly during the annual inspection Mid year events or unpleasant discoveries during routine 100 hour inspections often call for substantial unscheduled maintenance between annuals No matter the timing or cause the first flight after extensive maintenance requires an extra dose of care and caution The combination of the airplane s incredible complexity and the inherent imperfections of people working on them means that maintenance itself can have the ironic effect of causing systems failures The more extensive the maintenance the greater is the chance for a potential problem The primary means of identifying any issues and correcting them before one or more become catastrophic is to follow carefully an extensive a
15. aks fuel oil hydraulic fluid and check Engine oil level Left hand side of the nose wheel tire Actuators and struts Nose wheel bay Belly and the tail tie down ring After using the air conditioner it is normal for water to drain from the evaporators drain short pipe below the aft fuselage Log all discrepancies noted during preflight and flight All discrepancies noted during the flight should be logged and submitted to the maintenance chief If the aircraft is going to be returned to service immediately upon the conclusion of the test flight the log books should have a statement noting that the aircraft meets all appropriate maintenance FARs and procedures and found acceptable to be returned to service The plane is considered at this time to be legal and ready for flight depending on the Kinds List certifications listed in Chapter 2 of the POH ACTION CHECKLIST Preflight Aircraft and Maintenance Documents O O O El O O O LI Review with the shop all the maintenance requested on the squawk list Aircraft Inspector IA signs off in the maintenance logs Verify that all Airworthiness Directives AD are complied with Verify the revision level of the POH Verify that the current weight and balance data sheet is in the aircraft Verify that airworthiness certificate with correct information is in the aircraft Check for complete and correct placards on the aircraft using the up to date POH Check wea
16. at can easily be used in the plane Because of the wide variety of avionics and aftermarket products only the standard systems usually found in the PA46 will are covered This manual is provided as a MMOPA member benefit for the exclusive use by its members It is copyrighted and may not be copied or reproduced without permission General Principles The time to discover a problem resulting from a significant maintenance event and repairs or modifications is before carrying passengers or in hard instrument conditions The Test Flight should be performed after the following events e Annual Inspection to prove airplane airworthiness and systems function e Extensive airframe repairs or alterations to prove basic airworthiness e Extensive engine repairs or alterations such as engine replacement to prove proper functioning e When airplane has not been flown for an extended period of time e Extensive avionics alterations or upgrades to prove proper functioning and interfaces with the autopilot and to prove other systems have not been affected And potentially e Prior to annual inspection in order to fine tune the squawk list e Prior to purchase Common sense dictates that no matter what airplane is being flown certain essentials must be addressed prior to the first post maintenance check flight Review and discuss with the mechanic all the maintenance that was completed and use that as an initial guide to focus early attention for
17. cabin door MCD should be checked for pressure seal abrasions and punctures particularly at the door locking pin wells Sometimes the pin damage even extends to the fuselage skin in front of the pin wells While this is indeed ugly paint damage does not affect performance e Inspect the fuselage below and aft of the MCD for skin and paint damage from baggage transfer The top half of the MCD may be misaligned at the seam between the door and fuselage tight on the forward side and wide on the aft This is typical on older aircraft e Visually inspect the cables for broken strands and or loose hardware Check the cables for even tension fore and aft Proper and equal tension will ensure that even weight is applied when the steps are used e Inspect the hinge of the lower half of the MCD for evidence of corrosion This hinge area is exposed to a lot of water Almost any airplane three years older or more will experience some corrosion here Left Wing Verify condition of flaps Upside down bolt in position and secured No cracks on forward flap bell crank Flap idler arm secured Flap rollers free and no excessive play or wear Flap tracks clear of debris Light coating of water soluble grease No dents or cracks in the flaps Check presence and condition of Mylar chafe tape under the wing overhang Recommend application of chafe tape of top side of flaps Check for missing static wicks Verify that the two stall strips
18. checks the mechanic may have requested if he is not in the airplane Conduct an emergency descent per the POH Arrival L Reduce power slowly L Fly numerous approaches L Test brakes before landing Landings L Complete several landings L Test brakes Shutdown L Normal engine shutdown L Note Hobbs and total elapsed time L Complete shutdown per the POH L Record remaining oxygen pressure Matrix only Post Flight L Check the exterior of the aircraft for evidence of leaks L Log all discrepancies noted during preflight and flight NOTES
19. ckpit lights Verify proper operation of heating and air conditioning After Engine Start Lap i we Conduct the post start checklist per the POH and note any discrepancies Note Hobbs time local time and fuel on board Verify all data subscriptions are up to date and that all avionics boot up correctly Copy and set the clearance into the panel in the usual way Check the flight control systems for free and correct operation Check the free and normal movement of the power lever Check normal operations of the autopilot Taxi a i Verify braking action on all four pedals if a co pilot is on board Check for play in the rudder steering mechanism There should be none Check the copilot side as well Note the free and correct movement of all of the instruments including the compass Check the ELT Plan to run the ELT for a few cycles while monitoring 121 5 but only during the first 5 minutes after the hour Press and hold each Pitot Static System Condensate Drain for a second or two and observe that there are no nervous pitot static instruments Flaps to take off position Verify COM and NAV frequencies are set properly Verify flight instruments Check magnetic compass Run Up O O O O Listen for any new changed or unusual sounds Follow the procedure for the autopilot check in the POH Conduct a full power check Complete a normal run up according to the POH C
20. control systems for free and correct operation This is so basic but is perhaps one of the more important checks made during any flight preparation but especially return to service Completion of this check cannot be overemphasized Aircraft should track straight ahead with rudder properly trimmed No excessive drifting should be observed e Check the free and normal movement of the power lever e Check normal operations of the autopilot This will include a check of all lights and disconnects and a full check per the A P supplement Taxi e Verify braking action on all four pedals if a co pilot is on board e Check for play in the rudder steering mechanism There should be none Check the copilot side as well e Note the free and correct movement of all of the instruments including the compass Pay close attention to the HSI turn and bank and attitude indicator Verify the presence and correctness of the compass card e Check the ELT Plan to run the ELT for a few cycles while monitoring 121 5 but only during the first 5 minutes after the hour e Press and hold each Pitot Static System Condensate Drain for a second or two and observe that there are no nervous pitot static instruments e Flaps to take off position e Verify COM and NAV frequencies are set properly e Verify flight instruments ASI zero reading ADI erect ALT indicates within 40 feet of field elevation when set to current altimeter setting TC c
21. d fuel on board e Test autopilot per POH e Elevator trim test Check manual electric operation for full travel in both directions check each half of split switch check trim disconnect check priority of Pilot s trim over Copilot s trim if installed pull pitch trim C B and verify electric trim is disabled reset pitch trim C B and set trim for Takeoff e Yaw damper off Mirage only Verify rudder trim is neutral and make sure Yaw Damper is OFF before taxiing e Test brakes Test brakes before taxiing e Navigation and anti collision lights on or off as required e Check operation of cockpit lights e Verify proper operation of heating and air conditioning Check operation with OAT lt 20 degrees C Verify AUX HEAT does not operate with VENT DEFOG fan OFF Check operation of Air Conditioning HI and LO fan After Engine Start e Conduct the post start checklist per the POH and note any discrepancies e Verify all data subscriptions are up to date and that all avionics boot up correctly e Copy and set the clearance into the panel in the usual way Note any discrepancies as data are entered An IFR clearance will be needed for the portion of the checks done above 17 500 feet but that does not mean flying in IMC Fly in VMC on the first flight test some low altitude checks require VMC To avoid delays take off VFR and pickup the IFR clearance at a filed time altitude and fix a VFR IFR flight plan e Check the flight
22. en 1 off and 2 on e Complete a high speed taxi test If significant engine work has been completed a high speed taxi run is advised Ensure runway length adequate and brakes have been tested during taxi to run up area After being cleared on to runway and centering up on center line apply power smoothly while holding brakes During the test look for the following after releasing brakes e Full Manifold pressure of 42 inches should be obtained Note reading e RPM of approximately 2500 should be obtained Note reading Engine should not surge and power should not vacillate e Oil temperature and pressure should be in range e Fuel flow should be 37 42 gallons Note reading e Cylinder temperature and TIT should increase with the application of power e Aircraft performs normally acceleration and distance to obtain speeds approaching take off speeds as anticipated e Do not exceed safe speed to stop aircraft on remaining runway e Brake stop exit runway Take off Climb e Identify emergency landing sites near the airport For all practical purposes this is a new aircraft and special consideration should be give to engine out procedures on takeoff Turn backs below six hundred feet are impractical Several alternate landing areas left and right of your departure path should be identified if the engine quits below six hundred feet e Verify again that flaps and trim are in take off position Use normal callouts for the take
23. erational using water e Confirm that the drain vents on bottom of fuselage are clear e Verify that the A C drain bevel is facing aft e Look for oil hydraulic fluid on belly of aircraft e Look for corrosion where the alternate static ports and outflow valve pads are located under aircraft e Check the inspection port for the rudder and elevator for security e Check static ports for water contamination e Check the upper empennage for antenna security Horizontal Stabilizer e Check attachment bolts for security Also note that forward of the elevator the forty five degree rivet line should have no working rivets e Move the stabilizer up and down to feel for any movement none should be felt e Check boots for attachment and holes e Check elevator attachment bolts for security and corrosion Tail Cone e Check trim tubes for security No fore or aft play e Check drain hole in tail cone is clear e Check rivets on top of horizontal stabilizer Rudder e Move the ruder slowly to make sure it is securely attached e Check attachment bolts visually for security e Check for cracks or dents Fuselage Left Side e Check static ports for water contamination e Check A C condenser screens for security e Inspect oxygen access door Matrix only insure the filling cap is secure and pressure at 1850 psi Record pressure e Enter airplane and secure door Verify locked with four greens and a secure and locked handle
24. f and secured Confirm oxygen system Matrix only is functioning and record amount in tank Check side or storm window for cracks and security Interior checks of seats belts cabinets emergency exit and cargo netting for security and cracks Check hydraulic fluid level in area aft of baggage storage Remove panel or use sight gauge Add fluid MIL H 5606 if necessary Check all of the seat backs for integrity and cracks beneath the carpeted backs Check the clear plastic document pouch for the presence of the correct airworthiness certificate and registration Verify that the spring loaded seat back release latches are operating normally and not damaged or binding Ensure that required equipment is available in the airplane Main Cabin Door MCD O O Check main cabin door pressure seal Inspect the fuselage below and aft of the MCD for skin and paint damage from baggage transfer Visually inspect the cables for broken strands and or loose hardware Check the cables for even tension fore and aft Inspect the hinge of the lower half of the MCD for evidence of corrosion Left Wing O Verify condition of flaps Gi we ce TEE meh ie fal i 0 Check presence and condition of Mylar chafe tape under the wing overhang Recommend application of chafe tape of top side of flaps Check for missing static wicks Verify that the two stall strips on each wing located mid wing and near
25. failure Confirm there are no rub marks on the doors Verify that Mylar chafe tape is attached to lower edge of RH nosegear door e Inspect the nose wheel The nose gear should be tight with little as 025 play in the steering arm rollers fore and aft when moving the nose gear strut Check for excessive turn limits of greater than 30 degrees by checking the turn limits stops on the left and right portion of the steering arm Ensure that the locking pin on the nose wheel is in place Check tire for cuts or excessive wear No chord should be showing Inflate to 50 PSI Confirm the stem valve is in good condition and properly positioned Strut should be inflated to a minimum of 1 5 inches with fuel tanks fuel Confirm that the torque link is secure with no noticeable play Place your foot on the top of the nose wheel tire and try to push the tire rearward There should be no play in the strut Check the gear assist spring for security Ensure that the safety wire is installed through the actuator attach bolt e Look up into the nose wheel bay Lie on your back to get a good look into the engine well good reason to be wearing old clothes for these inspections Check the nose steering bar for security and roller to bell crank clearance Check the position of the gear door sequence valve You should see no bending on plunger Check for oil leaks on engine bottom pan and landing gear actuators Check control cables for throttle prop mi
26. he emergency gear extension using precisely the procedure as outlined in your POH It is essential that the procedure be completed properly to avoid equipment damage If gear does not extend using the specified airspeed deactivate each switch knob in the reverse order and start the procedure again at a slower airspeed until deployment of gear using the emergency procedure is achieved Note speed at which gear will extend Avoid speeds so slow as to incur stalls Use of up to 20 degrees flaps can decrease stall airspeeds during this procedure If gear does not extend properly with this procedure the gear nose spring likely needs to be replaced Engage the autopilot and confirm the settings on the altitude pre select and autopilot annunciator panel Check all modes refer to POH Pilot s Guide for procedures of specific autopilot installed in airplane Confirm heading and navigation modes for tracking Allow the aircraft to level off at a predetermined altitude and ensure that the autopilot captures the altitude smoothly and accurately If adjustments are required note if the up down trim selector allows precise changes to the altitude mode on the autopilot Use the Control Wheel Steering CWS function on the control wheel and adjust the altitude 100 ft or more and note if the autopilot hold reflect the new altitude e Verify correct operation of the Cabin Pressurization System Mirage only Below 10 000 feet MSL Pull the cabin pressure co
27. heck when turning and no red flag HSI and DG check for proper indication on known heading reset DG as required VSI zero reading e Check magnetic compass Check for proper indication on known heading Check agreement with HSI within 10 degrees with air conditioning and re circulating blowers OFF Run Up e Listen for any new changed or unusual sounds Investigate anything that seems out of the ordinary Remember that the aircraft just underwent major maintenance e Conduct a full power check In accordance with the POH conduct a full power check for thirty seconds to observe any abnormalities in the power plant not just 2 000 RPM Check both magnetos at full power and switch fuel tanks to check for any interruption of fuel flow Anti ice and aircraft de ice should be checked at the 2 000 RPM level e Complete a normal run up according to the POH Be extremely thorough Function test every system in the aircraft Use a flow starting at the left top of the panel and read right until everything in the top row has been tested and each switch operated then start back at the left and go across again Continue this process until everything has been checked Any circuit breakers not exercised by now should be pulled and verification of the proper result and warning equipment fails annunciators on flags up confirmed Take the time to test the electrical system with each alternator separately with 1 on and 2 off first th
28. hy e Check Ground Clearance Switch With Battery Master OFF and no power on the airplane turn the Ground Clearance ON one Com radio should come on Perform a radio check with an appropriate ground facility Turn Ground Clearance switch OFF after the radio check e Push in static drain Do not cover the drain when pushing in the valve Some instructors recommend that pilots avoid draining static system unless clearly indicated need to do so Instead verify that the static drain is secure Draining the system introduces moisture into an otherwise closed system If the drain is not absolutely secure the aircraft will experience both pressurization and instrumentation anomalies e Check elevator is free and correct Check for free and correct movement with full travel of control wheel The elevator should deflect trailing edge up when the control wheel is moved aft and trailing edge down when the control wheel is moved forward Pull control wheel full aft to the stop and verify that it moves full forward under the force of the spring when released e Check elevator trim Move elevator trim wheel manually through its full travel nose up and nose down and verify indicator accuracy and no binding The trim tab should deflect trailing edge up when the trim wheel is moved nose down and trailing edge down when the trim wheel is moved nose up Have someone confirm outside Check ailerons are free and correct Check for free and correct mo
29. ion but it is a bit of a hit and miss proposition and may take more than one attempt Check flap operations and rigging Trim the airplane for 110 KIAS in level flight below full flaps extension speed of 117 KIAS and set rudder trim for zero yaw While maintaining 110 KIAS cycle flaps through each position 10 20 36 degrees and then UP while visually verifying the flaps position and agreement with the flap handle position With landing gear retracted verify that the gear warning horn sounds and the gear warning light illuminates when the flaps position is 20 degrees or greater While maintaining 100 KIAS in level flight with flaps fully deflected 36 degrees release ailerons and time any roll to a 20 degree angle of bank It should not exceed 10 seconds e Check ice protection Check function and verify ammeter reading Check proper functioning of propeller heat stall warning heat and windshield heat both HI and LOW if so equipped Check proper inflation and sequence empennage lower wing upper wing of pneumatic boots Check complete deflation of boots after inflation cycle e Verify airspeed indicator operations The Copilot s Airspeed Indicator if installed should read within 5 knots of the Pilot s Airspeed Indicator e Verify attitude indicator AI operations Check proper functioning of pilot s copilot s if installed and stand by if installed Attitude Indicators Perform a 45 degree bank
30. nce was performed etc The pilot in command is responsible for the safe and proper operation of his her aircraft and it is the responsibility of the pilot in command to operate that aircraft in compliance with that aircraft s Pilot s Operating Handbook and other official manuals and directives Legally it depends on how the mechanic or inspector interprets the regulations One shop may indicate a test flight is necessary another may say don t worry about it Why should the answer to this be any different than most other rules regarding aviation The reason a test flight should be performed is to prove that everything is operating the way it was intended to operate If it initially doesn t then you can find the problem during a test flight where you the pilot and maybe an assistant are the only ones aboard the aircraft Some of the discrepancies 1 have come across over the years on the first flight after maintenance I sure would not have wanted to encounter on a dark rainy night with the weather near minimums Andrew s narrative style manual is no longer in print but the original articles are viewable on the MMOPA web site With the addition of new PA46 models engines and techniques it seems reasonable to update this valuable manual for all members The Board of Directors commissioned this update by asking instructors and a mechanic experienced in each model to write a Return to Service manual specific to a model and in a format th
31. nd autopilot annunciator panel Verify correct operation of the Cabin Pressurization System Mirage only Activate the alternate static system and verify correct operation Test cabin heat and defrost Test recirculating blowers and air conditioning Reduce power until the gear warning horn sounds do not stall Return cruise power and verify that the horn silencer has reset Perform imminent stalls to verify that the stall horn works correctly in dirty and clean configurations Operate and verify correct operation of all threat ID equipment on board NEXRAD RADAR lightning detection sferics terrain awareness ground proximity warning TAS and TIS Test all avionics Communicate with ATC and ensure transponder altitude matches aircraft s High Altitude and Cruise LI Ean ledi el le eh vii ll Climb to FL250 if possible but at least to 14 000 feet 12 500 for Matrix Check max cabin pressure differential Mirage only Lean the engine to high normal and low cruise power settings and confirm power settings and fuel flows per the POH Check all on board navigation gear for reception and accuracy Maneuver aircraft in a variety of turns and climbs to ensure control surface responses Ensure that all gear fall free with minimum rudder or elevator input Check electrical loads Confirm proper function of fuel system and boost pump Check operation of the CABIN ALT Mirage only Complete any additional
32. nd well structured checklist A good return to service post maintenance checklist covers a comprehensive pre flight and a structured first check flight to prove that all systems are functioning properly Anticipating the unforeseen the first flight is conducted with certain precautions not routinely incorporated into normal flight operations An example is staying close to the airport which of course is not practical for cross country flying but essential to the safety of an initial check flight Background and History In 1991 the first edition of our MMOPA magazine included the first of several installments on preparing the plane for return to service after a major maintenance event The five part series was written by Andrew Cindric a former Piper Director of the Aircraft Completion Center in Vero Beach His series was converted into booklet form and distributed to all members for easy use with the plane at the point of service Andrew s introduction is still applicable today Return to Service Test Flight Is it really necessary Is it a legal requirement Why should I do it Who should do it How long does it take We will take a look at the answers to these questions and many more in the following discussion I personally believe a Return to Service Test Fight should be performed any time engine or control surface repairs and adjustments were made an aircraft is coming out of an annual or 100 hour inspection after major maintena
33. ntrol knob on copilot side and verify that cabin begins to depressurize With cabin pressure differential at 2 psid or less push the cabin Dump Switch to DUMP the cabin should depressurize rapidly After this test reset push and secure the cabin pressure control knob on copilot side and set the Dump Switch to NORM The cabin should re pressurize Below a Pressure Altitude of 14 000 ft with the cabin Isobaric Pressure Controller set at 1000 ft outer scale the cabin altitude should be 1000 ft 500 Below a Pressure Altitude of 14 000 ft reset the cabin Isobaric Pressure Controller from 1000 ft to 8000 ft on outer scale Turn the rate control fully counter clockwise the rate of climb of the cabin should be 200 fpm 100 Turn the rate control fully clockwise the rate of climb of the cabin should be 2000 fpm 500 Reset the cabin Isobaric Pressure Controller to 1000 ft outer scale and reset the rate control at 9 o clock position e Activate the alternate static system and verify correct operation In level flight with the A P off and at approximately 160 KIAS with static source on primary toggle down note the altimeter reading Switch to the alternate static source toggle up and record new altimeter reading It should be within 50 feet of previous reading e Test cabin heat and defrost Check operation of push pull knob Check operation of defrost knob with VENT DEFOG FAN on check flow on both sides
34. o the Mirage or Matrix are noted Aircraft and Maintenance Documents e Review with the shop all the maintenance requested on the squawk list Query mechanic as to status and results of each item including incoming squawks and new items mechanic may have found intermittent items or UTD unable to determine results of his engine ground check for operation and leaks results of oil analysis and type of oil used to replenish the engine and remember to get the keys to the aircraft e Aircraft Inspector IA signs off in the maintenance logs Maintenance logs must be reviewed for completion of work Several insurance companies have denied claims because the aircraft was not properly returned to service with appropriate entries entered into the maintenance log books and properly authenticated by an TA The logs do not have to be in the aircraft e Verify that all Airworthiness Directives AD are complied with e Verify the revision level of the POH Call any Piper Service Center Parts Department The representative will need the VB number in the lower right corner of the page and the serial number of the aircraft Piper will provide up to 3 revision levels free of charge If the book is 4 or more revisions out of date a new book will need to be purchased To ensure the timeliest response contact Piper in writing and inform Piper the request comes from the aircraft owner Note that the FAA database on ownership transfers can lag 90 da
35. of windshield center post Check operation of Auxiliary Electric Heat Verify AUX HEAT does not operate with VENT DEFOG fan OFF e Test recirculating blowers and air conditioning Check operation of recirculating blowers in LO and HI positions Check operation of Air Conditioning HI and LO blower settings Check heading of Magnetic Compass with Air Conditioning and or blowers Expect compass inaccuracies when air conditioner is on e Reduce power until the gear warning horn sounds do not stall Return cruise power and verify that the horn silencer has reset e Perform imminent stalls to verify that the stall horn works correctly in dirty and clean configurations Below 10 000 feet but at an altitude high enough to ensure recovery perform power on and power off stalls Perform a power off wings level full stall beyond the aerodynamic buffet with flaps up and with flaps full down When approaching the full stall the rate of airspeed reduction should be 1 knot second or less The airplane must be controllable before during and in the recovery phase of the stall Verify that the gear warning horn activates when 20 degrees or more of flaps are deployed and gear is not down Since the power will be substantially reduced this is a good time to verify that the gear horn also sounds when power is reduced below 13 2 MAP and the gear is not down The prop should be full forward for this check If this does not occur position
36. omplete a high speed taxi test Take off Climb O m bah O e e Ea Identify emergency landing sites near the airport Verify again that flaps and trim are in take off position Use normal callouts for the take off roll and initial climb Note engine instrumentation on take off roll and during climb and record them once the autopilot is engaged Note the length of the take off roll and record once the autopilot is engaged Observe gear cycle time and verify normal operations Maintain Vy 110 KIAS and remain close within 2 NM of the airport Check flight controls Confirm the pressurization system is active passing 1 000 ft AGL Mirage only Low Altitude O Set up for VMC cruise flight between 8 000 and 10 000 AGL if possible verify all pilot and copilot instrumentation are in agreement and within limits 0 0 g0 a g g Verify engine parameters are operating in normal range Verify proper operation of the fuel system Check wing balance and airplane rigging Check flap operations and rigging Check ice protection Verify airspeed indicator operations Verify attitude indicator AI operations Verify turn coordinator operations Verify HSI DG operations Verify vertical speed indicator VSI operations Verify landing gear operations Test the Emergency Gear Extension system per the POH Engage the autopilot and confirm the settings on the altitude pre select a
37. op refuses to agree to these terms find another shop Pilot Qualifications The pilot performing the Test Flight has to be well qualified in the operation of the airplane and all of its systems A low time pilot or a pilot just qualified in the airplane should not be performing the Test Flight no time builders allowed without a competent instructor on board No passengers allowed No flight training should be conducted during the Test Flight At the most a qualified assistant such as a mechanic or avionics technician can be carried If you do not feel qualified to perform the Test Flight seek assistance A test pilot should be prepared for the unexpected and equally important should have confidence in his own abilities to deal with emergencies The test pilot should also be inquisitive as to what was done to the airplane and by whom Trust but verify Remember reasonable paranoia is a good attribute for a test pilot Equipment on Board The equipment to be carried is sometimes determined by the nature of the systems to be checked for example a propeller strobe to measure accurate RPM Sometimes no specialized equipment needs to be carried for the Test Flight However the following basic equipment at a minimum should be carried at all times e A note pad and a pen to write down any discrepancies during the Test Flight e A pocket multi tool such as a Leatherman or equivalent but always remember you are not a mechanic e A
38. owly As approach peak TIT lean at no more than about 1 2 gallon per adjustment or you will quickly exceed peak and see TIT start to drop prematurely After each fuel reduction allow TIT to stabilize before reducing further Engine should have normal oil cylinder and TIT temperatures Record manifold pressure RPM fuel flow CHT and TIT every few thousand feet through about 15 000 and then record every thousand feet thereafter to make sure you note critical altitude Be sure to note altitude outside air temperature and indicated airspeed each time a reading is taken Any surging or bootstrapping in the aircraft the pilot should note the altitude OAT DA IAS MAP prop RPM and fuel flow settings at the time of the abnormality e Check all on board navigation gear for reception and accuracy e Maneuver aircraft in a variety of turns and climbs to ensure control surface responses No abnormal vibrations should be felt throughout the test flight e Ensure that all gear fall free with minimum rudder or elevator input e Check electrical loads Cycle alternators to ensure both pick up the applicable loads e Confirm proper function of fuel system Fuel tanks should be switched and no interruption in fuel flow should occur Engage emergency boost pump fuel flow gauge should show slight increase when switch is engaged e Check operation of the CABIN ALT Mirage only CABIN ALT annunciator should illuminate if the cabin altitude exceed
39. pipe Ensure that all of the cowling fasteners are present and flush with the cowling Inspect the nose gear doors Inspect the nose wheel Look up into the nose wheel bay for any discrepancies Inspect the cowling Check oil level and condition Inspect the propeller Test the alternator belt to ensure the belt is tight and verify that the 1 alternator is attached securely Check the heat muff Right Wing L Drain fuel L Repeat inspection as with Left Wing Fuselage Right Side Check emergency exit for security Check that the relief tube is operational using water Confirm that the drain vents on bottom of fuselage are clear Verify that the A C drain bevel is facing aft Look for oil hydraulic fluid on belly of aircraft sk Gil vie vim Look for corrosion where the alternate static ports and outflow valve pads are located under aircraft LI Check the inspection port for the rudder and elevator for security L Check static ports for water contamination L Check the upper empennage for antenna security Horizontal Stabilizer L Check attachment bolts for security L Move the stabilizer up and down to feel for any movement none should be felt L Check boots for attachment and holes L Check elevator attachment bolts for security and corrosion Tail Cone L Check trim tubes for security No fore or aft play L Check drain hole in tail cone is clear L Check rivets on top of horizon
40. r cracks nicks and dings on the blades e Check the back spinner for cracks e Check the prop hub for cracks dents or bulges e Inspect prop de ice pads for security Three and four blade The four bladed MT and three bladed Hartzell prop cannot be externally filed like the two bladed aluminum prop and only composite material build up can be applied to eradicate any nicks in the prop e Check for delaminating props e Check for nicks or punctures of the protective metal guard remember that there is no filing of composite props e Check prop spinner and back plate for cracks e Inspect prop de ice pads for security e Check lower cowl exhaust tunnels for security and clearance e Test the alternator belt to ensure the belt is tight and verify that the 1 alternator is attached securely e Check the heat muff The heat muff on the lower right cowling should be checked for security No visible oil or any other fluids should be observed leaking out of the engine compartment of the aircraft Right Wing e Drain fuel Move directly from checking the heat muff to inspect and drain the right fuel sump e Repeat inspection as with Left Wing Fuselage Right Side e Check emergency exit for security No corrosion should be observed around the attachment point of the window The window should have been removed and replaced in accordance with procedures outlined in the aircraft maintenance manual e Check that the relief tube is op
41. s 10 000 feet set the pressurization controller to 11 000 feet on the outside scale to allow the cabin to climb Note that the annunciator illuminates appropriately This will also depressurize the aircraft so that the coming stall sequence will not unduly discomfort the crew s ears e Complete any additional checks the mechanic may have requested if he is not in the airplane e Conduct an emergency descent per the POH If in very smooth air descend briefly at a higher than normal speed for instance 180 KIA to verify the gear warning light does not illuminate and that there are no whistles indicating possible leaks or other odd sounds Prior to arrival reduce to normal descent speed of 170 KIA or less This speed allows deployment of either one notch of flaps or gear at any time if desired Arrival e Reduce power slowly Power reductions should be made slowly no more than 2 inches per minute when able Reduce RPM in 100 rpm increments comparing and note aircraft tach reading compared to precision strobe tach reading Engine should operate vibration free e Fly numerous approaches Conduct a variety of instrument approaches to include ILS GPS and VOR with the autopilot engage Check the complete operation of coupled approaches Ensure tracking limits on the approach once established inbound on the approach from the final approach fix e Test brakes before landing Pressurized air can force its way into the system via the actuators
42. s test is that the pilot cannot see all the positions of the boots in flight While on the ground and at an RPM of 2 000 the pilot with the assistance of an outside observer should conduct an inflation cycle and have him her observe each of the boot pads for proper inflation The 2000 RPM engine speed is required in order to develop enough vacuum pressure for the test Obviously extreme care must be taken to ensure the observer remains clear of the propeller If this test is conducted when complete shut down and continue preflight e Inspect bottom of the wing for fuel leaks e Check the landing gear doors for security and proper angle 10 degrees out The left main landing gear door should be firmly attached and angled out approximately 10 degrees from the gear strut This will assist in pulling the main gear out during emergency gear extension operations e Verify that the squat switch left gear only is clean and all electrical leads attached e Confirm that struts are inflated 3 5 inches with full fuel e Verify that there is no excessive play or wear on landing gear torque links The scissor links should have no noticeable play e Check tire condition Look for any excessive wear and no chord should be showing Main tire pressure is 55 Ibs nose tire pressure is 50 lbs e Check brake pad thickness Minimum allowable thickness is 0 10 or about the thickness of two stacked pennies e Verify that the brake line security bolt head is
43. t a normal condition Position the aircraft to an area suitable to a comfortable inspection with the expectation of lying prone on the ground for some time to look into the wheel wells and nose gear bay If inexperienced bring along someone with the proper experience to help The most common problems and issues are highlighted here but everything must be checked for normal condition and function Perform the preflight inspection per POH procedures If the airframe and or engine have undergone extensive repairs or alterations it would be desirable to perform the preflight with a knowledgeable representative of the shop that performed the work The same is true for extensive avionics work or upgrades A knowledgeable representative of the shop that performed the work should go through an avionics cockpit check explain any installation unique features and review all the interfaces with the autopilot Note that due to previously installed avionics many of these avionics alterations or upgrades have features that are unique to the airplane being tested These features have to be clearly understood by the test pilot before an effective Test Flight can be conducted A responsible and knowledgeable representative of the shop that performed the work must also be ready and willing to ride along on the Test Flight if so requested by the test pilot This is a non negotiable condition and should be made clear to the shop before any work is performed If the sh
44. tal stabilizer Rudder L Move the ruder slowly to make sure it is securely attached L Check attachment bolts visually for security L Check for cracks or dents Fuselage Left Side L Check static ports for water contamination L Check A C condenser screens for security L Inspect oxygen access door Matrix only and security of filler cap Record tank pressure L Enter airplane and secure door Pilot and Copilot Seats L Check all functions just as with the passenger seats L Check seats for positive engagement of seat latch and for installed stops at each seat track L Check the height adjustment the fore aft slide adjustment and lumbar support function L Verify proper seat belt function FIRST TEST FLIGHT Before Engine Start Check the security and function of each and every switch left to right around the cockpit Turn the night lights up and verify that all lights and dimmer knobs are working particularly the standby instrument internal lights Press the annunciator panel test button and observe all of the pretty lights Verify the primary static air source is selected Complete all other items listed in the POH checklist Engine Start 0 0 0 0O Start the engine using the approved checklist in the POH Test autopilot per POH Elevator trim test Yaw damper off Mirage only Test brakes Navigation and anti collision lights on or off as required Check operation of co
45. the first flight e Pay attention to any parts that were replaced in addition to normal checklist items e Consider taking a good look under the cowling and any access panels before taking the aircraft out of the shop e Test as many systems as possible on the ground before lifting off Test the autopilot but also get a good feel of the plane by hand flying a portion of the test flight e This is a good time to check infrequently used or rarely tested systems like emergency gear extension stall warning and anti icing for example e Fly multiple approaches to test avionics in multiple scenarios and to ensure the integrity of the navigation equipment at the most critical moments of a flight Following major maintenance the aircraft preflight inspection should take about one hour Do not rush through this process As has been found whether air racing or just completing anormal flight the event is usually won on the ground and lost in the air Invest the necessary time up front to have a safe and uneventful return to service Use the Piper Event Checklists to help conduct the inspection in an organized fashion so that nothing is missed These checklists are available from any Piper dealer Some items on the checklists require tools but remember this is a pilot inspection not an annual inspection do not use tools on the expanded walk around except for a bright flashlight notebook and pen Document all items and functions that do not reflec
46. ther and file flight plan for a local flight if the early preflight to this point has not precluded continuing with the flight Initial Observations O a Observe the general condition of the aircraft as you approach Verify the struts are level Check fuel visually and note level Secure the caps Verify that the correct tires are installed Check tire pressure with a pressure gauge Verify the airplane has been washed after the maintenance was complete Initial Cockpit and Interior Check 0 o Enter cockpit and verify that magnetos are off Confirm gear selector down Confirm fuel tank selector in either right or left tank All switches off as expected and fuel tank selector on right or left tank Check that all circuit breakers are in Check Ground Clearance Switch Push in static drain Check elevator is free and correct Check elevator trim Check ailerons are free and correct Check power lever Battery switch on Check for fuel quantity and verify fuel indicators consistent with visual check Test stall warning device test switch for electrical continuity Check all internal lights for operation Place flap handle in full down position 36 degrees Check alternate air door for full and unobstructed operation With assistance from someone outside verify all lights operate Check stall vane operation Battery radio master and magnetos of
47. uch feel and hearing must be used on the pre flight A polished clean and level aircraft is a good start to a preflight inspection Make sure nothing is hanging dripping or inappropriately attached unattached or missing e Check fuel visually and note level Secure the caps e Verify that the correct tires are installed e Check tire pressure with a pressure gauge Use a gauge with the correct pressure range Bring a small right angle Phillips screw driver to remove the main wheel fairings that cover the valve stems Main tire is 600x6 8 ply pressure is 55 Ibs nose tire is 500x5 6 ply pressure is 50 lbs e Verify the airplane has been washed after the maintenance was complete Initial Cockpit and Interior Check Note do not test the windshield heat and stall warning heat on the ground as it can cause overheat damage to these components e Enter cockpit and verify that magnetos are off e Confirm gear selector down e Fuel tank selector in either left or right position e All switches off as expected Pay particular attention to pressurization switches knobs fuel boost switch day night dimmer switch HSI slaving selector fans blowers and other high draw items Some of the switch positions may have been changed by the mechanic and the battery may be low from repeated activation of electrical items during maintenance without use of auxiliary ground power e Check that all circuit breakers are in If any are out verify w
48. vement with full travel of control wheel Left turn left aileron up right turn right aileron up Check ailerons neutral with control wheel level Check that both control wheels line up with each other Check that fixed trim tab on right aileron is reasonably faired in with top surface of aileron an excessively bent tab likely indicates an out of rig condition Check power lever Check for freedom of movement and operation of friction lock and then move to idle position Battery switch on Check voltage to ensure battery charged Look for a minimum of 22 volts for start Charge or arrange power assisted start if appropriate Verify power to all equipment Check for fuel quantity and verify fuel indicators consistent with visual check Test stall warning device test switch for electrical continuity Push the stall test button for an audible sound This confirms there is electrical continuity in the unit All Mirage aircraft have the Safe Flight computerized stall warning indicators on the left wing Because of the design sensitivity of this left detector a no touch policy has to exist for all Mirage aircraft and their lift detectors Check all internal lights for operation Determine annunciators illuminated as expected check remaining annunciators for illumination using test switch and verify 3 green gear lights Place flap handle in full down position 36 degrees Lower the flaps to the full down or 36 degree position for the
49. xture and alternate air box for security Ensure there are no bends in the cables e Inspect the cowling Check for cracks Check security of the nose bowl Ensure that all of the cowling fasteners are present and flush with the cowling Check security of air box e Check oil level and condition Check the quantity to ensure a 9 quarts minimum 12 full Check the condition of the oil Black oil after eight to nine hours of usage indicates excessive carbon on the pistons or oil rings leaking Check for oil leaks on the bottom of the engine e Inspect the propeller There are three basic type of props approved for the Mirage a two bladed aluminum the German MT wood core laminated four bladed and the three bladed Kevlar composite What matters on any prop is the amount of thickness left in the chord line of the prop This determines the serviceability of the prop Corrosion of any type in and around the internal components of the prop is grounds for declaring the entire prop hub unserviceable this is usually the result of water seeping into the hub and not properly servicing the prop at recommended intervals Any detected play of the blades near the hub attachment point is also grounds for determining the prop to be unserviceable Two blade metal The two bladed prop should be inspected for nicks and gouges This prop allows for some filing to dress the props of any nicks picked up by small stones on the taxiway e Check fo
50. ys or more e Verify that the current weight and balance data sheet is in the aircraft e Verify that airworthiness certificate with correct information is in the aircraft On board the aircraft must be the pilot operating handbook POH It contains three required documents required by the FAA a Weight and balance data b aircraft limitations and c performance data Also the aircraft registration and airworthiness certificate must be prominently displayed on board normally on the aft bulkhead e Check for complete and correct placards on the aircraft using the up to date POH A list of required placards is found in Section 2 Limitations e Check weather and file flight plan for a local flight if the early preflight to this point has not precluded continuing with the flight Checkouts should be done in VFR conditions or conditions providing adequate weather should unanticipated equipment failures be experienced Minimal personnel should be on board One doesn t want to be with her grandchildren over the Rockies en route home when unresolved maintenance issues are discovered However a knowledgeable second person can be helpful during later portions of the checkout when the pilot s attention needs to be focused on flying the aircraft Initial Observations e Observe the general condition of the aircraft as you approach Verify the struts are level Approach the aircraft with all senses keenly operating Sight smell to
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