# PMA parts: Pratt & Whitney A-1 series A list on [Pratt & Whitney A-1 series](https://openairdocs.org/engine/pratt-whitney-a-1-series.md). 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. Page 1 of 2 · 56 PMA parts - [72-231114-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147038740720260722204348.0001): TAG-Engine · Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 17, 2026 - [ES917](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192492107120251216184202.0001): Impulse Coupling Spring · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M917 · May 20, 2024 - [AM-3217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190801817120251216184156.0001): Wave Spring Washer · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M-3217 · May 20, 2024 - [AM3611](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190443277420251216184158.0001): Cam · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3611, M1522 · May 20, 2024 - [AM-3015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190038963420251216184149.0001): Screw, Housing · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3015 · May 20, 2024 - [AM-3215](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186810273420251216184147.0001): Brush Assy, Distributor · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3215 · May 20, 2024 - [AK-3975](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182506865320251216184200.0001): Coil, Ignition · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3009, M3114, M3525, K3975, K3975 · May 20, 2024 - [AM-3020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175941851820251216184145.0001): Screw · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3020 · May 20, 2024 - [ES3084](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171307156420251216184211.0001): Air Vent With Hood · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3084 · May 20, 2024 - [ES3496](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165485294620251216184227.0001): Machining, Rotating Magnet · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3496 · May 20, 2024 - [AM-2556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163056043620251216184154.0001): Cotter Pin · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2556 · May 20, 2024 - [ES3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159518890720251216184203.0001): Clamp, Bearing Cap · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3018 · May 20, 2024 - [AM-3021](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155587978420251216184143.0001): Screw Distributor Block · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3021 · May 20, 2024 - [AM-3485](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151658177120251216184155.0001): Bearing Cap, Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3485 · May 20, 2024 - [AM-3006](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146130218820251216184150.0001): Bearing · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3006 · May 20, 2024 - [ES3590](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144243510220251216184218.0001): Impulse Coupling Assy. · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3590 · May 20, 2024 - [ES3221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141393701020251216184227.0001): Screw · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3221 · May 20, 2024 - [ES3828](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139833534820251216184220.0001): Rotor Gear · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3828 · May 20, 2024 - [AM2536](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136517725820251216184151.0001): Woodruff Key · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2536 · May 20, 2024 - [A-13081K](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133214336820251216184146.0001): Contact Assembly · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3081 · May 20, 2024 - [AM-3062](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128762119920251216184153.0001): Oil Seal · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3062 · May 20, 2024 - [ES3040](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128685841620251216184204.0001): Coil Wedge · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3040 · May 20, 2024 - [AK-3984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123559578320251216184159.0001): Capacitor · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3183, K3984 · May 20, 2024 - [ES3823](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116582067520251216184219.0001): Dist. Block & Gear Assy. · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3823 · May 20, 2024 - [ES3826](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114076128220251216184206.0001): Spacer · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3826 · May 20, 2024 - [ES1077](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110334972620251216184212.0001): Air Vent · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M1077 · May 20, 2024 - [ES10-400551-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182589540620240301172652.0001): Housing, Distributor · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400551-7 · Dec 1, 2023 - [ES10-357165-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181231184420240301172637.0001): Coil, Magneto · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-357165-20, 10-357164-1 · Dec 1, 2023 - [ES10-400549-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168791928620240301172656.0001): 200 Series Frame, Lyc Flange · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400549-1 · Dec 1, 2023 - [ES10-56513](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161629933220240301172644.0001): Pin, Stop · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-56513 · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157224145020240301172647.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [ES10-52947](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140908698020240301172620.0001): Magnet Rotating (Rotor) · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-52947 · Dec 1, 2023 - [ES10‐3503](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182314138120240301172653.0001): Washer, Plain · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-3503 · Nov 9, 2023 - [ES10‐682025](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159888329220240301172656.0001): Screw · Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-682025 · Nov 9, 2023 - [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143910433620231109131600.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107190435020231109131559.0001): Engine Preheat Kit · Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [ES10-400549-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190162904720230929175028.0001): 200 Series Frame, Lyc Flange · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400549-1 · Jul 17, 2023 - [ES10-400551-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198440913720231025135100.0001): Housing, Distributor · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400551-7 · Apr 1, 2023 - [ES10-25788](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165102956920230703154005.0001): Bearing, Sleeve · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-357078, 10-25788, 736 · Mar 20, 2023 - [ES10-56513](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151281833120230502200201.0001): Pin, Stop · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-56513 · Feb 9, 2023 - [ES10-357165-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103896908520220725141429.0001): Coil, Magneto · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-357165-20, 10-357164-1 · Jun 9, 2022 - [ES10-52947](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID761959610820210611134657.0001): Magnet, Rotating (Rotor) · Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Continental Motors 10-52947 · Mar 1, 2021 - [2209-1.31](https://drs.faa.gov/browse/excelExternalWindow/F98E95A3AA5DC1D68625854D0047577F.0001): Stud, 5/16-18 x 5/16-24, 1-5/16 Long · Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401885, 7403067 · May 7, 2019 - [2209-1.31](https://drs.faa.gov/browse/excelExternalWindow/E92C9D38FF45371C8625847400612903.0001): Stud, 5/16-18 x 5/16-24, 1-5/16 Long · Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401885 7403067 · May 7, 2019 - [AEC21153](https://drs.faa.gov/browse/excelExternalWindow/F443AC4CCD4337C68625753C00782262.0001): Shaft, Valve Rocker · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 21153 · Oct 17, 2006 - [AEC531001](https://drs.faa.gov/browse/excelExternalWindow/F1689993B45D9EDD8625753C00782C25.0001): Nut, 7/16-20 UNF, Flanged · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 22242, 531001 · Oct 17, 2006 - [AEC21284 (and oversizes up to.005)](https://drs.faa.gov/browse/excelExternalWindow/EBF704F65D7E19048625753C007822A5.0001): Housing, Pushrod · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 21284 · Oct 17, 2006 - [AEC520112-1, AEC520112-2](https://drs.faa.gov/browse/excelExternalWindow/A06F52E5E44F46D08625753C00782A16.0001): Insert, Helical Coil, Spark Plug, 18-1.5 mm · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 520112 · Oct 17, 2006 - [AEC21007](https://drs.faa.gov/browse/excelExternalWindow/71EE4DA66A5972908625753C00782230.0001): Plug, Valve Rocker · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 21007 · Oct 17, 2006 - [AEC21477](https://drs.faa.gov/browse/excelExternalWindow/527BD21242EF02508625753C00782314.0001): Packing, Cylinder Base · Airmotive Engineering Corp · PMA PQ0003SW · Replaces 21477 · Oct 17, 2006 Next page: https://openairdocs.org/engine/pratt-whitney-a-1-series/pma.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet' WHERE tcds_number IN ('E-241') AND len(list_intersect(tcds_models, ['A100-2', 'A100-1'])) > 0 ORDER BY supplement_date DESC, drs_guid DESC ``` This list as a web page: https://openairdocs.org/engine/pratt-whitney-a-1-series/pma --- 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.