# Pratt & Whitney Canada PT6A-66A

- Type: Engine model (FAA registry)
- Registry code: 52213
- Manufacturer (registry): P&W CANADA
- Model: PT6A-66A
- Engine type: Turbo-prop
- Power: 850 hp
- Data sheet: [TCDS E26NE](https://openairdocs.org/tcds/E26NE) (OpenAirDocs)
- Holder: Pratt & Whitney Canada Corp.
- Installed in: 1 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-66a

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 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024

## Registered aircraft (1)

- [N850FP](https://openairdocs.org/aircraft/N850FP): [Brical Enterprises LLC](https://openairdocs.org/faa-owner/BRICAL%20ENTERPRISES%20LLC), [Belton, MO](https://openairdocs.org/faa-place/MO/Belton), built 2013, S/N 664

## 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 (3)

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

- [SDR 2021FA0000053](https://openairdocs.org/sdr/2021FA0000053), Feb 5, 2021: SHUTOFF VALVE. FAILED. WHILE TAXIING TO DESTINATION, THE LT BLEED AIR WOULD NOT EXTINGUISH. TROUBLESHOOTING FOUND A FAILED LT BLEED AIR SHUT OFF VALVE.
- [SDR 2019FA0000408](https://openairdocs.org/sdr/2019FA0000408), Dec 6, 2019: TRUSS. CRACKED. DURING SCHEDULED MAINTENANCE/ENGINE CHANGE, CONDUCTED THE SCHEDULED 1000 HOUR SPECIAL INSPECTION OF WELDS ON RH ENGINE TRUSS MOUNT ASSEMBLY (AAIP SPEC INSP #25)
- [SDR 2019FA0000133](https://openairdocs.org/sdr/2019FA0000133), Apr 25, 2019: BRAKE ASSY. LOCKED. UPON LANDING AT THE KRVS AIRPORT, THE RIGHT MAIN WHEEL/BRAKE WAS COMPLETELY LOCKED UP AND FAILED TO ROTATE WHATSOEVER. THIS WAS AFTER A SIMILAR EVENT AT KEDC. U

## PMA parts (OpenAirDocs) (286, 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
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [3112608-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171267029020260217165222.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3112608-01 · Feb 11, 2026
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [3018008CL3AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195594091320251113202147.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3018008CL3 · Sep 23, 2025
- [3031660CL3AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178817307620251113202148.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3031660CL3 · Sep 23, 2025
- [3018008CL5AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176043530320251113202147.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3018008CL5 · Sep 23, 2025
- [3018008CL4AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167757909020251113202147.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3018008CL4 · Sep 23, 2025
- [3018008CL2AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160336366220251113202147.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3018008CL2 · Sep 23, 2025
- [3018008CL1AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143949810220251113202146.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3018008CL1 · Sep 23, 2025
- [3031660CL1AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132736100820251113202148.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3031660CL1 · Sep 23, 2025
- [3031660CL5AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104430369720251113202149.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3031660CL5 · Sep 23, 2025
- [3031660CL2AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102794227220251113202148.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3031660CL2 · Sep 23, 2025
- [3031660CL4AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102269369120251113202148.0001): Weight, Turbine, Balance. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3031660CL4 · Sep 23, 2025
- [3120980-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118510848020260108163102.0001): Seal, Turbine Blade. CORE PARTS LLC · PMA PQ05326NM · Replaces 3120980-01 · Jul 14, 2025
- [WF336238](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112708987520250602133027.0001): Compressor Air Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3038142, P-1139 · 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
- [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
- [3105135-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182128581420241202221130.0001): Washer, Flat. CORE PARTS LLC · PMA PQ05326NM · Replaces 3105135-01 · 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
- [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
- [3032255CL3CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196126098120250611143004.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3032255CL3 · May 19, 2023
- [3036722CL1CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149331980920250611143005.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3036722CL1 · May 19, 2023
- [3032255CL4CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148251690420250611143004.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3032255CL4 · May 19, 2023
- [3032255CL2CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134931261520250611143004.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3032255CL2 · May 19, 2023
- [3032255CL5CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134796264620250611143005.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3032255CL5 · May 19, 2023
- [3036722CL2CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128652215520250611143005.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3036722CL2 · May 19, 2023
- [3032255CL1CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115337523020250611143004.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3032255CL1 · May 19, 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
- [RM3022375](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152137249420230503123949.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022375 · Apr 19, 2023
- [RM3022374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140320613320230503123944.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022374 · Apr 19, 2023
- [3244707-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159782229820230914150537.0001): Torque Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 3055726-01 · Apr 5, 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
- [3006523CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113721863120230717173021.0001): Bearing, Sleeve,Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3006523 · Jan 16, 2023
- [3012456CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184156576820241202220928.0001): Seal, Ring. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012456 · Jan 4, 2023

All of them: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-66a/pma.md

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