# U/A Canada PT6A-25 - Type: Engine model (FAA registry) - Registry code: 61525 - Manufacturer (registry): U/A CANADA - Model: PT6A-25 - Engine type: Turbo-prop - Power: 550 hp - Data sheet: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs) - Holder: Pratt & Whitney Canada Corp. - Installed in: 1 registered aircraft - Page: https://openairdocs.org/engine/u-a-canada-pt6a-25 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05): Reinforcement liner to the power turbine (PT) containment ring and, for certain PT containment rings, adding scallops · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 18 more. Effective Aug 5, 2014 - [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002 - [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997 - [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980 ## Information bulletins (advisory) (1) - [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011 ## Registered aircraft (1) - [N172EE](https://openairdocs.org/aircraft/N172EE): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1981, S/N U-172 ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR15LA203](https://openairdocs.org/ntsb/WPR15LA203), Jun 30, 2015: Beech C 99 (N6199D), Salt Lake City, UT, substantial damage. Probable cause: The airplane’s unmanageable right yaw during takeoff for reasons that could not be determined because postaccident examination of the rudder and rudder assembly did not reveal any anomalies that… ## FAA accident and incident reports (3) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20150630011069A](https://openairdocs.org/incident/20150630011069A), Jun 30, 2015: Beech C-99 (N6199D), Salt Lake City, UT, Substantial damage. Pilot tookoff on runway 16L at slc. Upon rotation pilot noticed a yawing to the right and he was unable to correct. He added rudder trim to counteract the… - [Incident 19900220018699I](https://openairdocs.org/incident/19900220018699I), Feb 20, 1990: Beech C99 (N6199D), Portland, OR. Landing gear failed to extend. Emergency procedures used. Landed safely. Defective landing gear power pack motor. - [Incident 19840821053689I](https://openairdocs.org/incident/19840821053689I), Aug 21, 1984: Beech 99 (N6199D), Oxnard, CA. Unsafe gear indication. Tower fly by showed gear down. Landed safe. Faulty landing gear circuit breaker. ## Service difficulty reports (20) As reported by operators and repair stations, by the model named in the report. - [SDR CA151117014](https://openairdocs.org/sdr/CA151117014), Jun 9, 2015: FUEL CONTROL. MALFUNCTIONED. (CAN) FIELD SERVICE REPRESENTATIVE WAS JUST INFORMED OF TWO EVENTS ON THE SAME AIRCRAFT THIS IS THE SECOND EVENT, OCCURRED JUST AFTER TAKE-OFF FOR A TRAINING MI - [SDR CA150927001](https://openairdocs.org/sdr/CA150927001), May 4, 2015: ENGINE. MALFUNCTIONED. (CAN) THIS EVENT WAS RE-CLASSIFIED FROM CAT 3 TO CAT 2. PILOT REPORTED THE FOLLOWING: "THE PILOT NOTICED THAT THE PCL WAS NOT MOVING FREELY ON THE PRE-FLIGHT. I - [SDR CA150519015](https://openairdocs.org/sdr/CA150519015), Apr 7, 2015: LINE. LEAKING. (CAN) AFTER LANDING WITH THE POWER LEVER AT IDLE, THE NG DROPPED TO 44 PERCENT WITH AMBER CAUTION AND NP DROPPED TO APPROXIMATELY 700. TROUBLESHOOTING FOUND A L - [SDR CA151117005](https://openairdocs.org/sdr/CA151117005), Mar 17, 2015: ENGINE. POWER LOSS. (CAN) ENGINE HAD 2 SEPARATE EVENTS ON THE SAME ACFT, THE 1ST EVENT WHICH OCCURRED DURING A MISSED APPROACH, THE STUDENT PILOT APPLIED FULL POWER BUT ONLY GOT 80 - [SDR CA150306001](https://openairdocs.org/sdr/CA150306001), Feb 23, 2015: ENGINE. FLAMED OUT. (CAN) THE ENGINE EXPERIENCED A FLAME OUT AT 8000 FEET DURING MANEUVERS FOLLOWED BY A SUCCESSFUL AUTO RELIGHT & ENGINE RESTART. THE AIRCRAFT LANDED UNEVENTFULLY. - [SDR CA120813017](https://openairdocs.org/sdr/CA120813017), Jul 8, 2012: ENGINE. FIRE. (CAN) DURING TAXIING, THE PILOT NOTED THE ENGINE PERFORMANCE PARAMETERS DECAYING FOLLOWED BY FIRE AND SMOKE EXITING THE EXHAUST STUBS. THE PILOT IMMEDIATELY SHU - [SDR CA110614001](https://openairdocs.org/sdr/CA110614001), Jun 3, 2011: ENGINE. POWER LOSS. (CAN) ACCIDENT DURING A TRAINING MISSION, THE ACFT LOST ENGINE POWER AND THE CREW MADE A CRASH LANDING IN A FIELD. THEY WERE NOT INJURED BUT THE ACFT WAS SUBTAN - [SDR CA110214007](https://openairdocs.org/sdr/CA110214007), Feb 7, 2011: ENGINE. FAILED. IFSD (SINGLE ENGINE) WHILE AT T/O FOR A NIGHT FLIGHT, AS THE POWER WAS INCREASED TO MAXIMUM, A LOUD NOISE WAS HEARD AND FIRE/SPARKS WERE SEEN COMING OUT OF THE - [SDR CA070514041](https://openairdocs.org/sdr/CA070514041), Mar 27, 2007: DRIVE SHAFT. SHEARED. (CAN) THE ENGINE WAS FOUND NOT TO RESPOND TO THROTTLE INPUT AND SUBSEQUENTLY ACCELERATED UNCOMMANDED. THE ENGINE WAS SHUTDOWN ON APPROACH. SUBSEQUENT INSPECTION - [SDR CA060531011](https://openairdocs.org/sdr/CA060531011), May 11, 2006: ENGINE. POWER LOSS. (CAN) THE ENGINE WAS REPORTED TO HAVE LOST POWER FOLLOWING TAKE-OFF, RESULTING IN A FORCED LANDING. - [SDR CA060425011](https://openairdocs.org/sdr/CA060425011), Apr 7, 2006: TURBINE BLADES. DAMAGED. DURING A TRAINING FLIGHT, THE ENGINE WAS REPORTED TO EMIT NOISES AND SMOKE FOLLOWED BY AN UNCOMMANDED POWER REDUCTION AND FLAME OUT. SUBSEQUENT INSPECTION REVEA - [SDR CA060403008](https://openairdocs.org/sdr/CA060403008), Jan 12, 2006: SPLINE. WORN. THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION WHICH RESULTED IN THE AIRCRAFT CRASHING. INVESTIGATION DETERMINED THE FUEL PUMP SPLINE TO BE SUFFICIENTLY - [SDR CA051006014](https://openairdocs.org/sdr/CA051006014), Sep 22, 2005: BLEED VALVE. OUT OF LIMITS. (CAN) ON TAKE-OFF ROLL, THE ENGINE SURGED, ACCOMPANIED BY FLAMES EMITTED FROM THE EXHAUST. SUBSEQUENT INVESTIGATION DETERMINED THE COMPRESSOR BLEED VALVE CLOSIN - [SDR CA050429006](https://openairdocs.org/sdr/CA050429006), Apr 14, 2005: ENGINE. SHUTDOWN. DURING CRUISE, THE PILOT NOTICED OIL SMELL IN THE CABIN ACCOMPANIED BY DECREASING ENGINE OIL PRESSURE. THE PILOT DECLARED AN EMERGENCY AND COMPLETED AN UNSCHEDU - [SDR CA050419007](https://openairdocs.org/sdr/CA050419007), Apr 2, 2005: ENGINE. MALFUNCTIONED. (CAN) DURING A MAINTENANCE FLIGHT, THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION. THE PILOT WAS UNABLE TO MODULATE POWER AND SUBSEQUENTLY SUCCESSFULLY E - [SDR CA050401005](https://openairdocs.org/sdr/CA050401005), Mar 29, 2005: ENGINE. MAKING METAL. (CAN) THE ENGINE EXPERIENCED AN UNCOMMANDED REDUCTION IN POWER FOLLOWING TAKE-OFF. THE FLIGHT DIVERTED TO POINT OF ORIGIN. DURING SUBSEQUENT TROUBLESHOOTING, TH - [SDR CA041117003](https://openairdocs.org/sdr/CA041117003), Oct 15, 2004: ENGINE. FLAMED OUT. (CAN) DURING CRUISE (10,000 FT) THE PILOT REPORTED A LOUD NOISE FOLLOWED BY ENGINE FLAMEOUT. AN ATTEMPTED RELIGHT WAS UNSUCCESSFUL AND AN EMERGENCY LANDING WAS - [SDR 97ZZZX1903](https://openairdocs.org/sdr/97ZZZX1903), Mar 1, 1997: BEARING. MISASSEMBLY. NEW WOODWARD BEARING P/N 1412-654. RECEIVING IN INSPECTION REVEALED THAT INNER BEARING RACE, ROLLER BALLS, AND BALL CAGE WERE NOT SEATED CORRECTLY INTO THE OUTE - [SDR CA960521010](https://openairdocs.org/sdr/CA960521010), May 9, 1996: BLADE. FRACTURED. (CAN)FOLLOWING A STALL EXERCISE DURING FLIGHT TRAINING, ON POWER APPLICATION, THERE WAS AN EXPLOSION FROM THE ENGINE. ENGINE WAS SECURED AND A LANDING MADE. AFT - [SDR CA960212037](https://openairdocs.org/sdr/CA960212037), Feb 5, 1996: FCU. DAMAGED. (CAN) DURING A FLIGHT, ENGINE PARAMETERS SUDDENLY INCREASED WHILE IN CRUISE. THE ENGINE DID NOT RESPOND TO POWER LEVER INPUTS. THE PILOT DIVERTED FLIGHT TO THE ## STCs that may be installed (OpenAirDocs) (14) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE00010EN](https://openairdocs.org/stc/SE00010EN): Instructions for Continued Airworthiness for the PT6A-25, and, -25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc - [STC SE000010EN](https://openairdocs.org/stc/SE000010EN): Instructions for Continued Airworthiness for the PT6A-25 and PT6A-25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company, Inc - [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc - [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc - [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation - [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics - [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc - [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc - [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support - [STC SE1269EA](https://openairdocs.org/stc/SE1269EA): Stripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc. Airwork Corporation - [STC SE386NE](https://openairdocs.org/stc/SE386NE): Installation of Turbo Products PMA parts. Audco Corporation - [STC SE5601SW](https://openairdocs.org/stc/SE5601SW): Replacement splined end and oil mist lubrication on accessory drive gearshaft. Aviall of Texas, Inc - [STC SE4607SW](https://openairdocs.org/stc/SE4607SW): Revise the starter-generator drive spline to provide lubrication with engine oil. Aviall of Texas, Inc - [STC SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc ## PMA parts (OpenAirDocs) (412, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026 - [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026 - [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026 - [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026 - [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026 - [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026 - [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026 - [3010671RM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180066927420260204181356.0001): Washer, Flat. Rimark Manufacturing · PMA PQ10018NE · Replaces 3010671 · Jan 28, 2026 - [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025 - [3034292WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166533215020250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034292, 3034293, 3958257-01, 3028419… · Jun 2, 2025 - [3034507WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141045710620250624152910.0001): Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3017383, 3020967, 3022069, 3022070… · Jun 2, 2025 - [3034393WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100181403420250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034393, 3033315, 3059257-01, 3028419… · Jun 2, 2025 - [WF334552](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147857861520250602133017.0001): Compressor Air Filter. Donaldson Company Inc · PMA PQ2432CE · Replaces 3029268, Alternate: 3028856, 3029267… · May 23, 2025 - [WF344763](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115254655320250602133049.0001): Nozzle Cover, Machined. Donaldson Company Inc · PMA PQ2432CE · Replaces 3120869-01, Alternate: 3019491… · May 23, 2025 - [3049871-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134847727520260108162918.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3049871-01 · Jan 17, 2025 - [3116033-01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183380911920250127211157.0001): Gasket, Eight-Hole. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3116033-01 · Dec 18, 2024 - [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169774044220250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012411 · Dec 10, 2024 - [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164469161820250106202800.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012413 · Dec 10, 2024 - [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152753542620250106202759.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012414 · Dec 10, 2024 - [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117377138920250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012412 · Dec 10, 2024 - [218794ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136891010120241022133827.0001): Washer, CRES. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 218794 · Oct 3, 2024 - [3010671CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189963175420241202221129.0001): Washer, Flat. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010671 · Aug 22, 2024 - [3012675AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196954661720240919140845.0001): Nut, Self-Locking, Hex. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012675, 3005816, 3012674, 3028286… · Aug 7, 2024 - [3015234AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130436253520240919140838.0001): Nut, Self-Locking, Shank. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3015234, 3015233, 3015232, 3016299… · Aug 7, 2024 - [3006523CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132375139220240509162259.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3006523 · Mar 25, 2024 - [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120421035120240509162301.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Mar 25, 2024 - [3003987CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125662034220231204145325.0001): Pin, Lock. CORE PARTS LLC · PMA PQ05326NM · Replaces 3003987 · Aug 1, 2023 - [3016598CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189342823620231204151230.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3016598 · Jul 26, 2023 - [ST6202-011CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121242960820241204145238.0001): Packing, Preformed. CORE PARTS LLC · PMA PQ05326NM · Replaces ST6202-011 · Jun 15, 2023 - [3005290CLACP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171588224920250611143002.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLA · May 19, 2023 - [3005290CLECP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142064254420250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLE · May 19, 2023 - [3005290CLDCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141205886020250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLD · May 19, 2023 - [3005290CLBCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118455233520250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLB · May 19, 2023 - [3005290CLCCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103292467820250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLC · May 19, 2023 - [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182950761420231024191314.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Champion… · May 12, 2023 - [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182423481520231024191312.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Pratt & Whitney Canada … · May 12, 2023 - [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170076831020231024191315.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Unison10-381550-110-381550-49047840-190… · May 12, 2023 - [TA3057-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161272206620230515183738.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023 - [TA3057-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146529815220230515183804.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023 - [3244745-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174285154120241024194519.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244745-4 · May 2, 2023 - [3244756-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112427758420241024194517.0001): Controller-Torque. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244756-3 · May 2, 2023 - [RM3022375](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197353719220230503123945.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022375 · Apr 19, 2023 - [RM3022374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109994811820230503123941.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022374 · Apr 19, 2023 - [540-1407-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149574330120240306163319.0001): Valve, Bleed (Small PT6). Honeywell International Inc. · PMA PQ1222NM · Replaces 3049038-02 · Apr 14, 2023 - [206685ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184509980620230321122855.0001): Gasket, Governor Mounting. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 206685 · Mar 16, 2023 - [3018176CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141519552120230126122635.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3018176 · Feb 4, 2023 - [3012675CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172835041720230717162244.0001): Nut, Self-Locking, Hex. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012675 · Jan 23, 2023 - [3012414CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168780316620230717162242.0001): Nut, Self-Locking, 12 Point. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012414 · Jan 23, 2023 - [3015234CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160866993420230717162557.0001): Nut, Self-Locking, Shank. CORE PARTS LLC · PMA PQ05326NM · Replaces 3015234 · Jan 23, 2023 - [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117155957820230717173023.0001): Bearing, Sleeve,Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Jan 16, 2023 All of them: https://openairdocs.org/engine/u-a-canada-pt6a-25/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.