# Wmsintl FJ44-1AP

- Type: Engine model (FAA registry)
- Registry code: 66003
- Manufacturer (registry): WMSINTL
- Model: FJ44-1AP
- Engine type: Turbo-fan
- Power: 1,965 lb thrust
- Data sheet: [TCDS E3GL](https://openairdocs.org/tcds/E3GL) (OpenAirDocs)
- Holder: Williams International Company L.L.C.
- Installed in: 322 registered aircraft
- Page: https://openairdocs.org/engine/wmsintl-fj44-1ap

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.

None matched.

## Registered aircraft (322, first 50)

- [N101GP](https://openairdocs.org/aircraft/N101GP): [Bankruptcy Services LLC](https://openairdocs.org/faa-owner/BANKRUPTCY%20SERVICES%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2025, S/N 525-1402
- [N101JW](https://openairdocs.org/aircraft/N101JW): [Korndawg LLC](https://openairdocs.org/faa-owner/KORNDAWG%20LLC), [Johnstown, OH](https://openairdocs.org/faa-place/OH/Johnstown), built 2017, S/N 525-0950
- [N1022G](https://openairdocs.org/aircraft/N1022G): [Welcome Grove LLC](https://openairdocs.org/faa-owner/WELCOME%20GROVE%20LLC), [West Sacramento, CA](https://openairdocs.org/faa-place/CA/West%20Sacramento), built 2017, S/N 525-0974
- [N104LW](https://openairdocs.org/aircraft/N104LW): [St Croix Acceptance Corp](https://openairdocs.org/faa-owner/ST%20CROIX%20ACCEPTANCE%20CORP), [Devils Lake, ND](https://openairdocs.org/faa-place/ND/Devils%20Lake), built 2013, S/N 525-0806
- [N106JT](https://openairdocs.org/aircraft/N106JT): [Mountain Air Charter LLC](https://openairdocs.org/faa-owner/MOUNTAIN%20AIR%20CHARTER%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 2006, S/N 525B0106
- [N106MJ](https://openairdocs.org/aircraft/N106MJ): [Angstrom Aviation LLC](https://openairdocs.org/faa-owner/ANGSTROM%20AVIATION%20LLC), [Southfield, MI](https://openairdocs.org/faa-place/MI/Southfield), built 2015, S/N 525-0897
- [N107JG](https://openairdocs.org/aircraft/N107JG): [Grundy Aviation LLC](https://openairdocs.org/faa-owner/GRUNDY%20AVIATION%20LLC), [Horsham, PA](https://openairdocs.org/faa-place/PA/Horsham), built 2019, S/N 525-1020
- [N1099](https://openairdocs.org/aircraft/N1099): [Carolina View Aviation LLC](https://openairdocs.org/faa-owner/CAROLINA%20VIEW%20AVIATION%20LLC), [Greensboro, NC](https://openairdocs.org/faa-place/NC/Greensboro), built 2019, S/N 525-1028
- [N10MD](https://openairdocs.org/aircraft/N10MD): [Miss Blackwell Aviation LLC](https://openairdocs.org/faa-owner/MISS%20BLACKWELL%20AVIATION%20LLC), [Pawleys Island, SC](https://openairdocs.org/faa-place/SC/Pawleys%20Island), built 2017, S/N 525-0967
- [N1111S](https://openairdocs.org/aircraft/N1111S): [Stockbridge General Contracting Inc](https://openairdocs.org/faa-owner/STOCKBRIDGE%20GENERAL%20CONTRACTING%20INC), [Clovis, CA](https://openairdocs.org/faa-place/CA/Clovis), built 2022, S/N 525-1111
- [N111GE](https://openairdocs.org/aircraft/N111GE): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2007, S/N 525-0661
- [N1135K](https://openairdocs.org/aircraft/N1135K): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 2022, S/N 525-1135
- [N116ML](https://openairdocs.org/aircraft/N116ML): [Coshocton, OH](https://openairdocs.org/faa-place/OH/Coshocton), built 2017, S/N 525-0952, Registration pending
- [N11WB](https://openairdocs.org/aircraft/N11WB): [Mercier David](https://openairdocs.org/faa-owner/MERCIER%20DAVID), [Whitefish, MT](https://openairdocs.org/faa-place/MT/Whitefish), built 2006, S/N 525-0616
- [N1205Z](https://openairdocs.org/aircraft/N1205Z): [198gb LLC](https://openairdocs.org/faa-owner/198GB%20LLC), [Asheboro, NC](https://openairdocs.org/faa-place/NC/Asheboro), built 2018, S/N 525-0985
- [N125DW](https://openairdocs.org/aircraft/N125DW): [Mcis Aviation LLC](https://openairdocs.org/faa-owner/MCIS%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2021, S/N 525-1095
- [N12RL](https://openairdocs.org/aircraft/N12RL): [Pumpkin Patch Aviation LLC](https://openairdocs.org/faa-owner/PUMPKIN%20PATCH%20AVIATION%20LLC), [Kodak, TN](https://openairdocs.org/faa-place/TN/Kodak), built 2026, S/N 525-1409
- [N1482B](https://openairdocs.org/aircraft/N1482B): [Clear Line Aviation LLC](https://openairdocs.org/faa-owner/CLEAR%20LINE%20AVIATION%20LLC), [St George, UT](https://openairdocs.org/faa-place/UT/St%20George), built 2015, S/N 525-0888
- [N155BW](https://openairdocs.org/aircraft/N155BW): [Poet Inc](https://openairdocs.org/faa-owner/POET%20INC), [Sioux Falls, SD](https://openairdocs.org/faa-place/SD/Sioux%20Falls), built 2018, S/N 525-0988
- [N15ED](https://openairdocs.org/aircraft/N15ED): [Clearview Aviation Group LLC](https://openairdocs.org/faa-owner/CLEARVIEW%20AVIATION%20GROUP%20LLC), [Peachtree City, GA](https://openairdocs.org/faa-place/GA/Peachtree%20City), built 2015, S/N 525-0855
- [N15WE](https://openairdocs.org/aircraft/N15WE): [Firstrike Aviation LLC](https://openairdocs.org/faa-owner/FIRSTRIKE%20AVIATION%20LLC), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa), built 2014, S/N 525-0847
- [N16WB](https://openairdocs.org/aircraft/N16WB): [Pacebook Aviation LLC](https://openairdocs.org/faa-owner/PACEBOOK%20AVIATION%20LLC), [Albany, GA](https://openairdocs.org/faa-place/GA/Albany), built 2016, S/N 525-0905
- [N18466](https://openairdocs.org/aircraft/N18466): [Pantaxios LLC](https://openairdocs.org/faa-owner/PANTAXIOS%20LLC), [Spencerport, NY](https://openairdocs.org/faa-place/NY/Spencerport), built 2019, S/N 525-1034
- [N1865C](https://openairdocs.org/aircraft/N1865C): [Hotel Alpha LLC](https://openairdocs.org/faa-owner/HOTEL%20ALPHA%20LLC), [Tampa, FL](https://openairdocs.org/faa-place/FL/Tampa), built 2007, S/N 525-0647
- [N186DL](https://openairdocs.org/aircraft/N186DL): [Aesop LLC](https://openairdocs.org/faa-owner/AESOP%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 2013, S/N 525-0803
- [N188SB](https://openairdocs.org/aircraft/N188SB): [High Flyers LLC](https://openairdocs.org/faa-owner/HIGH%20FLYERS%20LLC), [Hobbs, NM](https://openairdocs.org/faa-place/NM/Hobbs), built 2015, S/N 525-0879
- [N1957N](https://openairdocs.org/aircraft/N1957N): [Aviation Trust Company LLC Trustee](https://openairdocs.org/faa-owner/AVIATION%20TRUST%20COMPANY%20LLC%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 2024, S/N 525-1182
- [N19RC](https://openairdocs.org/aircraft/N19RC): [Tequila Flights LLC](https://openairdocs.org/faa-owner/TEQUILA%20FLIGHTS%20LLC), [Maple Grove, MN](https://openairdocs.org/faa-place/MN/Maple%20Grove), built 2016, S/N 525-0919
- [N212RH](https://openairdocs.org/aircraft/N212RH): [Csc Delaware Trust Co Trustee](https://openairdocs.org/faa-owner/CSC%20DELAWARE%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2007, S/N 525-0636
- [N219HF](https://openairdocs.org/aircraft/N219HF): [Augusta Air II LLC](https://openairdocs.org/faa-owner/AUGUSTA%20AIR%20II%20LLC), [Fayetteville, NC](https://openairdocs.org/faa-place/NC/Fayetteville), built 2016, S/N 525-0907
- [N222TC](https://openairdocs.org/aircraft/N222TC): [Case Coal Sales LLC](https://openairdocs.org/faa-owner/CASE%20COAL%20SALES%20LLC), [Louisa, KY](https://openairdocs.org/faa-place/KY/Louisa), built 2017, S/N 525-0960
- [N22S](https://openairdocs.org/aircraft/N22S): [Dodson International Parts Inc](https://openairdocs.org/faa-owner/DODSON%20INTERNATIONAL%20PARTS%20INC), [Rantoul, KS](https://openairdocs.org/faa-place/KS/Rantoul), built 2014, S/N 525-0842
- [N232BW](https://openairdocs.org/aircraft/N232BW): [Noram Aviation LLC](https://openairdocs.org/faa-owner/NORAM%20AVIATION%20LLC), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa), built 2022, S/N 525-1109
- [N23YT](https://openairdocs.org/aircraft/N23YT): [Vision X LLC](https://openairdocs.org/faa-owner/VISION%20X%20LLC), [Chattanooga, TN](https://openairdocs.org/faa-place/TN/Chattanooga), built 2026, S/N 525-1408
- [N242LM](https://openairdocs.org/aircraft/N242LM): [Heritage Logistics LLC](https://openairdocs.org/faa-owner/HERITAGE%20LOGISTICS%20LLC), [Holdrege, NE](https://openairdocs.org/faa-place/NE/Holdrege), built 2017, S/N 525-0970
- [N242PG](https://openairdocs.org/aircraft/N242PG): [Page Aviation LLC](https://openairdocs.org/faa-owner/PAGE%20AVIATION%20LLC), [Saint Louis, MO](https://openairdocs.org/faa-place/MO/Saint%20Louis), built 2018, S/N 525-0993
- [N242SD](https://openairdocs.org/aircraft/N242SD): [Binette Alan](https://openairdocs.org/faa-owner/BINETTE%20ALAN), [Medford, OR](https://openairdocs.org/faa-place/OR/Medford), built 2020, S/N 525-1069
- [N246ES](https://openairdocs.org/aircraft/N246ES): [Flight Services Inc](https://openairdocs.org/faa-owner/FLIGHT%20SERVICES%20INC), [St Thomas, VI](https://openairdocs.org/faa-place/VI/St%20Thomas), built 2023, S/N 525-1161
- [N24XP](https://openairdocs.org/aircraft/N24XP): [Olive Organization LLC](https://openairdocs.org/faa-owner/OLIVE%20ORGANIZATION%20LLC), [El Paso, TX](https://openairdocs.org/faa-place/TX/El%20Paso), built 2019, S/N 525-1023
- [N251GM](https://openairdocs.org/aircraft/N251GM): [Jrjgc Investments LLC](https://openairdocs.org/faa-owner/JRJGC%20INVESTMENTS%20LLC), [Saltillo, MS](https://openairdocs.org/faa-place/MS/Saltillo), built 2015, S/N 525-0895
- [N25DL](https://openairdocs.org/aircraft/N25DL): [Textron Aviation Inc](https://openairdocs.org/faa-owner/TEXTRON%20AVIATION%20INC), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2026, S/N 525-1419
- [N267BG](https://openairdocs.org/aircraft/N267BG): [Cardinal Scale Manufacturing Co](https://openairdocs.org/faa-owner/CARDINAL%20SCALE%20MANUFACTURING%20CO), [Webb City, MO](https://openairdocs.org/faa-place/MO/Webb%20City), built 2021, S/N 525-1078
- [N26DT](https://openairdocs.org/aircraft/N26DT): [Mdr Construction Inc](https://openairdocs.org/faa-owner/MDR%20CONSTRUCTION%20INC), [Columbia, MS](https://openairdocs.org/faa-place/MS/Columbia), built 2013, S/N 525-0814
- [N287CB](https://openairdocs.org/aircraft/N287CB): [Cottingham & Butler Insurance Services Inc](https://openairdocs.org/faa-owner/COTTINGHAM%20%26%20BUTLER%20INSURANCE%20SERVICES%20INC), [Dubuque, IA](https://openairdocs.org/faa-place/IA/Dubuque), built 2017, S/N 525-0942
- [N28FD](https://openairdocs.org/aircraft/N28FD): [Pacific Air Center LLC](https://openairdocs.org/faa-owner/PACIFIC%20AIR%20CENTER%20LLC), [Long Beach, CA](https://openairdocs.org/faa-place/CA/Long%20Beach), built 2014, S/N 525-0822
- [N295ML](https://openairdocs.org/aircraft/N295ML): [Corning Companies LLC](https://openairdocs.org/faa-owner/CORNING%20COMPANIES%20LLC), [Billings, MT](https://openairdocs.org/faa-place/MT/Billings), built 2019, S/N 525-1043
- [N2ZB](https://openairdocs.org/aircraft/N2ZB): [Citizen Aero Inc Trustee](https://openairdocs.org/faa-owner/CITIZEN%20AERO%20INC%20TRUSTEE), [Sheridan, WY](https://openairdocs.org/faa-place/WY/Sheridan), built 2021, S/N 525-1101
- [N304BP](https://openairdocs.org/aircraft/N304BP): [Intermountain Air Inc](https://openairdocs.org/faa-owner/INTERMOUNTAIN%20AIR%20INC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 2019, S/N 525-1017
- [N308CM](https://openairdocs.org/aircraft/N308CM): [Cattlemen Logistics LLC](https://openairdocs.org/faa-owner/CATTLEMEN%20LOGISTICS%20LLC), [Minden, NE](https://openairdocs.org/faa-place/NE/Minden), built 2023, S/N 525-1156
- [N308NJ](https://openairdocs.org/aircraft/N308NJ): [22ase LLC](https://openairdocs.org/faa-owner/22ASE%20LLC), [Aspen, CO](https://openairdocs.org/faa-place/CO/Aspen), S/N 525-0912

All 322: https://openairdocs.org/engine/wmsintl-fj44-1ap/aircraft.md

## NTSB investigations (3)

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 CEN22LA084](https://openairdocs.org/ntsb/CEN22LA084), Dec 21, 2021: Textron 525 (N287CB), Dubuque, IA, substantial damage. Probable cause: An inflight collision with a flock of geese that resulted in substantial damage to the vertical stabilizer.
- [NTSB CEN15RA446](https://openairdocs.org/ntsb/CEN15RA446), Jul 24, 2015: Cessna 525 (N990FV), Geneva, Switzerland, incident, no damage
- [NTSB CEN10WA308](https://openairdocs.org/ntsb/CEN10WA308), Jun 7, 2010: Cessna 525 (N646VP), Leeds, United Kingdom, substantial damage

## FAA accident and incident reports (6)

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.

- [Incident 20260629010409I](https://openairdocs.org/incident/20260629010409I), Jun 29, 2026: Textron Aviation Inc 525 (N304BP), Sant Fe, NM, Minor damage. On 29 June 2026 a Cessna 525 jet rolled into a bag cart after the pilot notified the ground crew to pull chocks before start. The parking brake was not set.…
- [Incident 20221206023119I](https://openairdocs.org/incident/20221206023119I), Dec 6, 2022: Cessna 525 (N904GW), Columbus, OH, Minor damage. [privacy data omitted] Executed a GPS instrument approach to runway 27L at the Ohio state university airpot (kosu) on December 6, 2022 at approximately 8AM.…
- [Incident 20220711008429I](https://openairdocs.org/incident/20220711008429I), Jul 11, 2022: Cessna 525 (N600VM), Youngstown, OH, Minor damage. Youngstown/warren, OH (yng): N600VF, aest, yng-lpr, reported a bird strike (kildaire) to the outer right wing on upwind after departing rwy 23. Pilot elected…
- [Accident 20211220021309A](https://openairdocs.org/incident/20211220021309A), Dec 20, 2021: Textron Aviation Inc 525 (N287CB), Dubuque, IA, Substantial damage. Aircraft on final to rwy 31 dbq at 2,500 ft struck by bird(s) on RH windscreen, RH engine pylon and vertical stabilizer. Aircraft landed normally. No injury to…
- [Incident 20160819013369I](https://openairdocs.org/incident/20160819013369I), Aug 19, 2016: Cessna 525 (N883MT), Bryant, AR, Minor damage. On August 19, 2016 at appx 0815 hrs local a Cessna 525, registration number N883MT, serial number 525-0883 was departing from runway 20 at saline county…
- [Incident 20150220001722I](https://openairdocs.org/incident/20150220001722I), Feb 20, 2015: Cessna 525 (N525HQ), Marathon, FL, Minor damage. [privacy data omitted] Was taxiing N525HQ to park after landing at kmth, an airport he was unfamiliar. He was trying to pass between helicopter N558W and…

## Service difficulty reports (10)

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

- [SDR WI5R2026070800001](https://openairdocs.org/sdr/WI5R2026070800001), Jul 7, 2026: COMPRESSOR. DAMAGED. WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-1AP, ENGINE SERIAL NUMBER 290520, FROM AIRCRAFT 525M2-1057 (SE-RVZ), WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED
- [SDR 2025FA0000049](https://openairdocs.org/sdr/2025FA0000049), Jan 21, 2025: COMPRESSOR. DAMAGED. WILLIAMS INTERNATIONAL ENGINE MODEL FJ44-1AP, SERIAL NUMBER 290348, FROM AIRCRAFT 525M2-0971 (N971MB), WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR
- [SDR 2024FA0000447](https://openairdocs.org/sdr/2024FA0000447), Jun 13, 2024: COMPRESSOR. DAMAGED. ENGINE WAS RETURNED TO OUR REPAIR STATION FOR UNSCHEDULED REPAIR. THE ENGINE OEM PROVIDED A REPORT FROM THE AIRCRAFT OPERATOR STATING “AFTER CLIMB-OUT FOLLOWING
- [SDR 2024FA0000202](https://openairdocs.org/sdr/2024FA0000202), Mar 4, 2024: BUSHING. MISSING. ON DEPARTURE FROM KSGH, I FLEW THE AIRCRAFT WITHOUT THE USE OF THE AUTOPILOT AND MANUALLY TRIED TO ADJUST THE TRIM, BUT IT WOULD BARELY MOVE, SO I LEFT IT IN PL
- [SDR KBAA202103050001](https://openairdocs.org/sdr/KBAA202103050001), Mar 3, 2021: FDU. FAILED. DESCRIPTION FROM THE PIC. WHILE DESCENDING THROUGH 320 I INCREASED THE RATE OF DESCENT FROM 1000 FPM TO 3000 FPM AS I PULLED THE THROTTLES TO AN IDLE THE NO 1 E
- [SDR WI5R2020111900002](https://openairdocs.org/sdr/WI5R2020111900002), Nov 19, 2020: ROTOR. DAMAGED. FLIGHT CREW REPORTED HEARING A "RUMBLING" NOISE ACCOMPANIED BY VIBRATION DURING DESCENT FROM FL280. FOLLOWING AN UNEVENTFUL LANDING, POST-FLIGHT INSPECTION REVE
- [SDR 2020FA0000453](https://openairdocs.org/sdr/2020FA0000453), Oct 22, 2020: COMPRESSOR. FAILED. LEFT ENGINE VIBRATION AND RUMBLE ON APPROACH AT 28,000. ENGINE FAN IS STIFF TO ROTATE BY HAND. CONTACTED WILLIAMS INTERNATIONAL AND STARTED CASE NR 201015-00009
- [SDR KBAA20200613001](https://openairdocs.org/sdr/KBAA20200613001), Jun 12, 2020: FUEL CONTROL. INTERMITTENT. STATEMENT FROM THE CREW. "WE EXPERIENCED A RIGHT ENGINE FAILURE IN FLIGHT. THE AIRCRAFT WAS JUST BEGINNING DESCENT FROM FL400, AND AS THE THROTTLE WERE BROUGHT 
- [SDR CNQD20200401001](https://openairdocs.org/sdr/CNQD20200401001), Mar 26, 2020: FDU. FAILED. OPERATOR EXPERIENCED A LEFT ENGINE UNCOMMANDED SHUTDOWN IN FLIGHT. LEFT ENGINE FUEL DELIVERY UNIT WAS REPLACED AS A RESULT.
- [SDR WI5R2019101900018](https://openairdocs.org/sdr/WI5R2019101900018), Oct 16, 2019: BLADE. DAMAGED. DISASSEMBLY REVEALED HPC ROTOR LIBERATED THE OUTER TIP OF TWO MAIN BLADES ABOUT THE SIZE OF A THUMB NAIL. THE ROTOR IS NOT ORIGINAL TO THE ENGINE AND HAS 4886 H

## PMA parts (OpenAirDocs) (4)

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.

- [501885-2](https://drs.faa.gov/browse/excelExternalWindow/BDD7ECA1E737B2A186257575005EEA21.0001): Cable Assembly. Unison Industries · PMA PQ1052CE · Replaces Williams International P/N 70162 · Dec 7, 2008
- [501885-1](https://drs.faa.gov/browse/excelExternalWindow/1EAFF705536F190C86257575005EEA59.0001): Cable Assembly. Unison Industries · PMA PQ1052CE · Replaces Williams International P/N 70163 · Dec 7, 2008
- [502510-2](https://drs.faa.gov/browse/excelExternalWindow/0DCBF0062310BA5486257575005EEA8B.0001): Exciter. Unison Industries · PMA PQ1052CE · Replaces Williams International P/N 73489 · Dec 7, 2008
- [1763804](https://drs.faa.gov/browse/excelExternalWindow/75D670632E2C2AC986257870005549DF.0001): Lube Oil Filter Element. Purolator Facet Inc (formerly Facet Filter Products) · PMA PQ1207CE · Replaces Williams International 56066, 50357… · Nov 18, 2007

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