# U/A Canada PT6A-34AG

- Type: Engine model (FAA registry)
- Registry code: 61578
- Manufacturer (registry): U/A CANADA
- Model: PT6A-34AG
- Engine type: Turbo-prop
- Power: 750 hp
- Data sheet: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs)
- Holder: Pratt & Whitney Canada Corp.
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/u-a-canada-pt6a-34ag

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 2022-08-13](https://openairdocs.org/ad/2022-08-13): Turbine Section · Pratt & Whitney Canada PT6A-34, PT6A-34B, PT6A-34AG and 2 more. Effective May 27, 2022
- [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 2011-25-12](https://openairdocs.org/ad/2011-25-12): Sun gear · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Dec 28, 2011
- [AD 2011-20-51](https://openairdocs.org/ad/2011-20-51): Gears · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Nov 1, 2011
- [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 90-12-05](https://openairdocs.org/ad/90-12-05): Engine Overhaul · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 3 more. Effective May 30, 1990
- [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 (2)

- [N608LA](https://openairdocs.org/aircraft/N608LA): [Bear Flying Service Inc](https://openairdocs.org/faa-owner/BEAR%20FLYING%20SERVICE%20INC), [Sicily Island, LA](https://openairdocs.org/faa-place/LA/Sicily%20Island), built 2010, S/N 502B-2708
- [N986MM](https://openairdocs.org/aircraft/N986MM): [Garrett Flying Service Inc](https://openairdocs.org/faa-owner/GARRETT%20FLYING%20SERVICE%20INC), [Danbury, TX](https://openairdocs.org/faa-place/TX/Danbury), built 2011, S/N T34-369

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (79, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2021F00302](https://openairdocs.org/sdr/2021F00302), Oct 19, 2021: FUEL CONTROL. FAILED. FUEL CONTROL PERFORMED AN COMMANDED ACCELERATION, OVERSPEED GOVERNOR STOPPED THE OVERSPEED FROM HAPPENING.
- [SDR CA151208009](https://openairdocs.org/sdr/CA151208009), Nov 20, 2015: HEADER TANK. CORRODED. (CAN) THE FUEL SYS HEADER TANK BOTTOM WAS DESIGNED SO ALL CONTAMINANTS WOULD DRAIN TO THE LOWEST POINT OF THE TANK WHERE THERE IS A DRAIN POINT. DURING MFG THE 
- [SDR CA151103002](https://openairdocs.org/sdr/CA151103002), Nov 3, 2015: BLEED VALVE. LOOSE. (CAN) DURING THE ANNUAL INSPECTION, A BORESCOPE OF THE COMPRESSOR SECTION WAS BEING CARRIED OUT. WHEN THE BLEED AIR VALVE ASSY WAS TO BE REMOVED TO PROVIDE ACCE
- [SDR CA150727018](https://openairdocs.org/sdr/CA150727018), Jul 27, 2015: CABLE. LOOSE. (CAN) TAIL WHEEL LOCK CABLE FOUND OFF THE REAR PULLEY, PREVENTING THE TAIL WHEEL FROM UNLOCKING. THE PULLEY ATTACH BRACKET MOUNTED TO THE STERN POST DIAGONAL TU
- [SDR CA150525007](https://openairdocs.org/sdr/CA150525007), May 10, 2015: ENGINE. POWER LOSS. (CAN) PILOT REPORTED THAT AFTER TAKEOFF WHILE THROTTLING BACK TO CRUISE SETTING, ENG EXPERIENCED A ROLL BACK TO IDLE. PILOT PROCEEDED TO LAND THE ACFT & DURING 
- [SDR CA150701001](https://openairdocs.org/sdr/CA150701001), Apr 1, 2015: ENGINE. SHUTDOWN. (CAN) THIS EVENT WAS JUST REPORTED TO SERVICE INVESTIGATION FROM THE REGIONAL SALE MANAGER. AS PER THE PILOT REPORT. 6 SECOND AFTER TAKEOFF, SAW A WHITE SMOKE G
- [SDR CA150120003](https://openairdocs.org/sdr/CA150120003), Jan 6, 2015: ENGINE. POWER LOSS. (CAN) DURING A FLIGHT, THE ENGINE REDUCED POWER. THE COMPRESSOR SPEED NG DROPPED TO AROUND 45%. THE PILOT LANDED ON A PRIVATE FARM ROAD. THE CUSTOMER IS WAITING
- [SDR CA141003011](https://openairdocs.org/sdr/CA141003011), Oct 2, 2014: BLADE. CRACKED. (CAN) DURING HOT SECTION INSPECTION, 1 COMPRESSOR TURBINE BLADE, FOUND CRACKED AT T/E, APPROXIMATELY MID CORD, LT UNDETECTED, COULD HAVE LED TO BLADE SEPARATION
- [SDR CA140826014](https://openairdocs.org/sdr/CA140826014), Aug 11, 2014: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING FLIGHT, THE ENGINE DOES NOT ACCELERATE PROPERLY WHEN THE AIR CONDITIONING SYSTEM IS ON, AND WHEN THE AIR CONDITIONING SYSTEM IS OFF THE ENGINE REAC
- [SDR CA140630016](https://openairdocs.org/sdr/CA140630016), Jun 17, 2014: ENGINE. NOT REPORTED. (CAN) PILOT REPORTED, THE ACFT HAD AN ENGINE ISSUE DURING TAKEOFF AND CRASHED INTO FIELD STRAIGHT AHEAD. THE ACFT SHOWED SUBSTANTIAL DAMAGES AND THE PILOT SUFFE
- [SDR CA140423009](https://openairdocs.org/sdr/CA140423009), Apr 15, 2014: RIB. CRACKED. (THE MFG HAS ADDED 4 FT TO THE WING FROM THE ORIGINAL DESIGN WHICH MAY HAVE CAUSED ADDED STRESS ON THE OTBD WING RIBS. PLEASE NOTE THAT THE LT & RT WINGS HAD CR
- [SDR CA140424010](https://openairdocs.org/sdr/CA140424010), Apr 11, 2014: BLADE. FRACTURED. (CAN) DURING NEW ACFT FLIGHT TEST, ON THE 2ND TAKEOFF, THE ENGINE LOST POWER AND THE PILOT HEARD METALLIC NOISES. THE TAKEOFF WAS ABORTED. MFG LOCAL FIELD SERVI
- [SDR CA140424002](https://openairdocs.org/sdr/CA140424002), Mar 31, 2014: ENGINE. POWER LOSS. (CAN) CLIMBING THROUGH 150`, THE ENGINE LOST POWER AND THE PILOT WAS FORCED INTO A LANDING IN A FIELD WHERE A WET DENSE CROP OF COTTON WAS LOCATED. DURING LANDI
- [SDR CA131215003](https://openairdocs.org/sdr/CA131215003), Nov 27, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) THE CUSTOMER REPORTED A LOW IDLE AT 61 PERCENT NG. WHEN THE PILOT MOVED THE LEVER TO HIGH IDLE IT GOES TO 80 PERCENT NG. WHEN THE PILOT RETURNED THE LEVER
- [SDR CA130911001](https://openairdocs.org/sdr/CA130911001), Sep 2, 2013: POWER LEVER. FAILED. (CAN) THE CUSTOMER INFORMED THE MFG FSR THAT ONE OF THEIR SPRAY ACFT CRASHED DURING COTTON SPRAYING ACTIVITY. ACCORDING THE OPERATOR, THE ENGINE FLAMED OUT AFTE
- [SDR CA130626009](https://openairdocs.org/sdr/CA130626009), Jun 24, 2013: PRESSURE SWITCH. STUCK. (CAN) THE MICROSWITCH SIDE OF THE FUEL FILTER/FUEL PRESSURE WARNING SYS ASSEMBLY IS STUCK IN THE CLOSED POSITION, CAUSING A FALSE FUEL PRESSURE WARNING INDICATI
- [SDR CA130605002](https://openairdocs.org/sdr/CA130605002), Jun 3, 2013: STARTER GEN. FAILED. (CAN) WHILE ATTEMPTING A COMPRESSOR DESALINATION, PERFORMANCE RECOVERY WASH THE STARTER GENERATOR EMITTED A GRINDING NOISE AND FAILED UPON INITIAL SPOOL UP.
- [SDR CA130530003](https://openairdocs.org/sdr/CA130530003), May 20, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING A CROP DUSTING RUN, THE ENGINE TORQUE DROPPED FROM 45PSI DOWN TO 30PSI. THE PILOT ADVANCED THE POWER LEVER BUT THE ENGINE TORQUE SURGED AND WAS UNS
- [SDR CA130430003](https://openairdocs.org/sdr/CA130430003), Apr 11, 2013: ENGINE. MAKING METAL. (CAN) A CHIP LIGHT INDICATION CAME ON DURING FLIGHT. UPON LANDING, THE ENGINE PROPELLER WENT INTO UNCOMMANDED FEATHER AND WOULD NOT COME OUT OF FEATHER. POST FL
- [SDR CA130416001](https://openairdocs.org/sdr/CA130416001), Mar 5, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) AFTER T/O, THE ENGINE POWER COULD NOT BE REDUCED AND THERE WAS NO RESPONSE FROM THE POWER LEVER. THE PILOT PUT THE ACFT IN CLIMB MODE TO CONTROL SPEED AND
- [SDR CA121022012](https://openairdocs.org/sdr/CA121022012), Oct 2, 2012: ENGINE. POWER LOSS. (CAN) WHILE SPRAYING, THE ENGINE LOST POWER BUT DID NOT SHUTDOWN. THE PILOT ATTEMPTED TO RECOVER POWER BY PUSHING THE THROTTLE FORWARD, TURNING BOOST PUMPS ON, 
- [SDR CA120411006](https://openairdocs.org/sdr/CA120411006), Mar 2, 2012: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING THE LOADING OF CHEMICALS INTO THE ACFT FOR SPRAYING, THE PILOT HAD JUST REMOVED THE SUPPLY LINE TO THE ACFT WHEN HE HEARD THE ENGINE START TO INCRE
- [SDR 2011FA0000540](https://openairdocs.org/sdr/2011FA0000540), Aug 24, 2011: FUEL SYS. MALFUNCTIONED. TOTAL ENGINE FAILURE WHILE PERFORMING AERIAL APPLICATION. EXAMINATION OF THE FUEL SYS REVEALED AIR IN FUEL FEED LINE FROM THE BOOST PUMP TO THE ENGINE PUMP INLE
- [SDR CA110803001](https://openairdocs.org/sdr/CA110803001), Jul 18, 2011: ENGINE. POWER LOSS. (CAN) DURING T/O, AN ENGINE POWER LOSS OCCURRED AND THE PILOT LOST CONTROL OF THE ACFT BEFORE EXITING THE RUNWAY INTO A SOYBEAN FIELD. THE PILOT WAS NOT INJURED
- [SDR CA110803007](https://openairdocs.org/sdr/CA110803007), Jul 18, 2011: ENGINE. POWER LOSS. (CAN) ON SHORT FINAL AFTER A 45 MIN SPRAY RUN, THE ENGINE LOST POWER, SHUTDOWN AND THE PILOT HAD TO MAKE A FORCED LANDING IN A FIELD, SHORT OF THE RUNWAY. THE P
- [SDR CA110711005](https://openairdocs.org/sdr/CA110711005), Jun 24, 2011: ENGINE. POWER LOSS. (CAN) ACCIDENT WHILE IN CRUISE FLIGHT ABOUT 800 FEET ABOVE GROUND LEVEL, THE ENGINE LOST POWER AND THE PILOT INITIATED A FORCED LANDING TO AN AREA OF OPEN, UNEV
- [SDR CA110627008](https://openairdocs.org/sdr/CA110627008), Jun 16, 2011: ENGINE. POWER LOSS. (CAN) IFSD, SINGLE ENGINE, UPON PERFORMING THE 8TH PASS OF A SPRAYING OPERATION OVER A FIELD, THE PILOT HEARD A LOUD NOISE FROM THE ENGINE FOLLOWED BY A LOSS OF
- [SDR CA110627009](https://openairdocs.org/sdr/CA110627009), Jun 16, 2011: ENGINE. MALFUNCTIONED. (CAN) ACCIDENT DURING AN UNKNOWN PHASE OF FLIGHT, THE PILOT HEARD A LOUD NOISE FROM THE ENGINE FOLLOWED BY SMOKE AND LOSS OF POWER. THE ACFT MADE AN EMERGENCY L
- [SDR CA110516008](https://openairdocs.org/sdr/CA110516008), May 6, 2011: ENGINE. POWER LOSS. POWER LOSS (SINGLE ENGINE DURING T/O ROLL, THE ENGINE HAD A POWER LOSS. THE PILOT ABORTED T/O, REDUCED POWER TO IDLE AND SHUT THE ENGINE DOWN. THE ACFT WAS TOWE
- [SDR CA100817006](https://openairdocs.org/sdr/CA100817006), Aug 4, 2010: ENGINE. POWER LOSS. ACCIDENT, NTSB CALLED AND REPORTED THE ACCIDENT. PILOT REPORTED ENGINE POWER LOSS. ACFT SUSTAINED SUBSTANTIAL DAMAGE. SERVICE INVESTIGATION INVESTIGATOR IN CONT
- [SDR CA100817010](https://openairdocs.org/sdr/CA100817010), Aug 4, 2010: ENGINE. POWER LOSS. ACCIDENT, NTSB CALLED AND REPORTED THE ACCIDENT. PILOT REPORTED ENGINE POWER LOSS. ACFT SUSTAINED SUBSTANTIAL DAMAGE. SERVICE INVESTIGATION INVESTIGATOR IN CONT
- [SDR CA100622002](https://openairdocs.org/sdr/CA100622002), Jun 3, 2010: ENGINE. STOPPED. ACCIDENT DURING A SPRAYING RUN PILOT REPORTED ENGINE LOST POWER AND ACFT HIT POWER LINES THEN IMPACTED A CORN FIELD. THE ACFT SUSTAINED SUBSTANTIAL DAMAGE. THE 
- [SDR CA100726008](https://openairdocs.org/sdr/CA100726008), Jun 3, 2010: ENGINE. POWER LOSS. (CAN) ACCIDENT DURING A SPRAYING RUN PILOT REPORTED ENGINE LOST POWER AND ACFT HIT POWER LINES THEN IMPACTED A CORN FIELD. THE AIRCRAFT SUSTAINED SUBSTANTIAL DA
- [SDR CA100608003](https://openairdocs.org/sdr/CA100608003), May 18, 2010: ENGINE. FAILED. ACCIDENT DURING A SPRAY RUN, THE ENGINE LOST POWER AND THE PILOT MADE A FORCED LANDING ON A COUNTRY ROAD. THE ACFT SKIDDED SEVERAL HUNDRED FT AND HIT A UTILITY 
- [SDR CA100224003](https://openairdocs.org/sdr/CA100224003), Feb 8, 2010: FCU. FAILED. (CAN) POWER LOSS: THE ENGINE EXPERIENCED AN INFLIGHT SPOOLDOWN TO IDLE ON A CUSTOMER`S THRUSH. THE PILOT MANAGED TO PUT THE ACFT DOWN IN A FIELD WITHOUT ANY DAM
- [SDR CA100224006](https://openairdocs.org/sdr/CA100224006), Jan 12, 2010: FCU. SEPARATED. (CAN) ABORTED TAKEOFF: DURING TAKEOFF ROLL, ENGINE RAN BACK TO IDLE WITH NO CLOSURE OF THE CLA WITHOUT WARNING OR OTHER INDICATION. THE PILOT CONCENTRATED ON CO
- [SDR CA100209007](https://openairdocs.org/sdr/CA100209007), Jan 8, 2010: ENGINE. FAILED. (CAN) ACCIDENT DURING T/O TO CONDUCT A SPRAY RUN WITH A FULL HOPPER LOAD, AT APPROX TWO THIRDS OF THE LENGTH OF THE STRIP, THE ENGINE POWER WAS LOST. THE PILOT 
- [SDR CA091222004](https://openairdocs.org/sdr/CA091222004), Dec 15, 2009: ENGINE. SMOKE. (CAN) A NOISE FROM THE ENGINE FOLLOWED BY WHITE SMOKE FROM THE EXHAUST. MANUFACTURER WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE
- [SDR CA090325004](https://openairdocs.org/sdr/CA090325004), Jan 19, 2009: TURBINE BLADES. FAILED. (CAN) DURING A SPRAY RUN, AFTER A NORMAL T/O, THE ENGINE LOST POWER AND THE PILOT IMMEDIATELY DUMPED THE CONTENTS OF THE HOPPER BEFORE MAKING A FORCED LANDING I
- [SDR 2008FA0000730](https://openairdocs.org/sdr/2008FA0000730), Sep 3, 2008: BELLOWS. DAMAGED. FCU (PN 32447866-6, SN B32178) BENCH TESTED AND FOUND TO BE UNSERVICEABLE DUE TO BREACHED BELLOWS, (PN 2523631, SN 8011). (K)
- [SDR CA080319008](https://openairdocs.org/sdr/CA080319008), Mar 6, 2008: ENGINE. POWER LOSS. DURING TAKEOFF ROLL, A NOISE WAS HEARD ACCOMPANIED BY LOSS OF ENGINE POWER. THE TAKEOFF WAS ABORTED. INITIAL INSPECTION REVEALED FRAGMENTS SIMILAR TO COMPRESSOR
- [SDR CA071016004](https://openairdocs.org/sdr/CA071016004), Jun 20, 2007: ENGINE. POWER LOSS. (CAN) DURING SPRAYING OPERATIONS, THE ENGINE LOST POWER AND THE AIRCRAFT SUBSEQUENTLY CRASHED. MFG WILL INVESTIGATE THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE E
- [SDR CA060731018](https://openairdocs.org/sdr/CA060731018), Jul 11, 2006: ENGINE. VIBRATES. (CAN) DURING FLIGHT THE ENGINE WAS REPORTED TO LOSE POWER ACCOMPANIED BY HEAVY VIBRATIONS. A FORCED LANDING WAS CARRIED OUT RESULTING IN AIRFRAME DAMAGE. MFG WI
- [SDR CA060731009](https://openairdocs.org/sdr/CA060731009), Jul 4, 2006: TURBINE BLADES. FRACTURED. (CAN) THE ENGINE WAS REPORTED TO LOSE ALL POWER IN CRUISE. A DEAD-STICK LANDING WAS PERFORMED IN A FIELD RESULTING IN AIRFRAME DAMAGE. SUBSEQUENT INSPECTION REV
- [SDR CA060606004](https://openairdocs.org/sdr/CA060606004), Jun 5, 2006: LINE. CRACKED. (CAN) PILOT REPORTED RT BRAKE ALWAYS GOES SOFT WHILE TAXING. AFTER INSPECTING ENTIRE BRAKE INSTALLATION FOR LEAKS, FOUND THE FWD AND AFT BRAKE CALIPER INTERCONN
- [SDR CA060425015](https://openairdocs.org/sdr/CA060425015), Apr 5, 2006: TURBINE BLADES. FRACTURED. ON TAKEOFF, THE ENGINE WAS SEEN TO EMIT SMOKE AND SPARKS FROM THE EXHAUST. SUBSEQUENT INVESTIGATION REVEALED FRACTURED COMPRESSOR TURBINE BLADES. PWC WILL INVES
- [SDR 2005FA0001091](https://openairdocs.org/sdr/2005FA0001091), Jul 26, 2005: LONGERON. CRACKED. BOTH UPPER LONGERON WAS CRACKED APPROXIMATELY 54 INCHES AFT OF DATUM. THE AREA IS DIFFICULT TO INSPECT AS IT IS 75 PERCENT COVERED BY THE HOPPER. THIS IS A VERY
- [SDR CA050725018](https://openairdocs.org/sdr/CA050725018), Jul 8, 2005: ENGINE. FAILED. THE ENGINE LOST TORQUE AND OIL PRESSURE DURING A SPRAYING RUN (AT 50 FT ALTITUDE). THE PILOT FEATHERED THE PROPELLER AND COMPLETED A FORCED LANDING WITH RESULTA
- [SDR CA050725005](https://openairdocs.org/sdr/CA050725005), Jul 1, 2005: ENGINE. POWER LOSS. (CAN) THE ENGINE REPORTEDLY LOST POWER DURING TAKEOFF WITH SUBSEQUENT DAMAGE TO THE AIRCRAFT. THE ENGINE HAD BEEN CONVERTED FROM A PT6A-15AG TO A PT6A-34AG UNDE
- [SDR CA050224009](https://openairdocs.org/sdr/CA050224009), Feb 18, 2005: ENGINE. POWER LOSS. (CAN) THE ENGINE WAS REPORTED TO HAVE LOST POWER SHORTLY AFTER DEPARTING THE RUNWAY. THE AIRCRAFT SUBSEQUENTLY IMPACTED THE GROUND. MFG WILL MONITOR INVESTIGATI

All 79: https://openairdocs.org/engine/u-a-canada-pt6a-34ag/reports.md

## STCs that may be installed (OpenAirDocs) (13)

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 SE00002EN](https://openairdocs.org/stc/SE00002EN): Instructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A 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 SE09286SC](https://openairdocs.org/stc/SE09286SC): Installation of an alternate gas generator case. Airforce Turbine Service
- [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 SE539NE](https://openairdocs.org/stc/SE539NE): Modification of compressor turbine sealing segments to incorporate honeycomb material on the inside diameter thereby providing an abradable surface for turbine blade contact. Airwork Corporation
- [STC SE5601SW](https://openairdocs.org/stc/SE5601SW): Replacement splined end and oil mist lubrication on accessory drive gearshaft. Aviall of Texas, Inc
- [STC SE1165EA](https://openairdocs.org/stc/SE1165EA): Assembly and installation of AW10262 wet spline starter gear seal. Airwork Corporation
- [STC SE4607SW](https://openairdocs.org/stc/SE4607SW): Revise the starter-generator drive spline to provide lubrication with engine oil. Aviall of Texas, Inc

## PMA parts (OpenAirDocs) (530, 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.

- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [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
- [3115091-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180857219920250923184724.0001): Ball, Plastic, 0.750. CORE PARTS LLC · PMA PQ05326NM · Replaces 3115091-01 · Feb 13, 2025
- [3058971-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110906306720250923184724.0001): Valve Assy, Oil Filler Tube. CORE PARTS LLC · PMA PQ05326NM · Replaces 3058971-01 · Feb 13, 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
- [3110741-02CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169885030720250605164146.0001): Ring, Retaining, Compressor Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3110741-02 · Oct 31, 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
- [4138008-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184011151820241024194520.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 4138008-3 · May 2, 2023
- [4138008-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168150133920241024194521.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 4138008-3 · May 2, 2023
- [3244777-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147412801520241024194520.0001): Fuel Control Main, Turbine Engine Assembly & Installation of. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244777-6 · May 2, 2023
- [3244786-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107960633020241024194518.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244786-8 · 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

All of them: https://openairdocs.org/engine/u-a-canada-pt6a-34ag/pma.md

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