- Manufacturer (registry)
- WILLIAMS
- Model
- FJ44-4A
- Registry code
- 66011
- Installed in
- 353 registered aircraft
- Type
- Turbo-fan
- Power
- 3,443 lb thrust
- Data sheet
- TCDSE3GL
- Holder
- Williams International Company L.L.C.
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 0
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
No ADs matched this model
Registered aircraft · 353
N100YVb Ultra Transportation LLC · Lake Oswego, ORN100ZTBank Of Utah Trustee · Salt Lake City, UTN109CAJaf Aviation LLC · Englewood, CO
See all 353 registered aircraftQuery with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('66011')
ORDER BY n_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('66011')
ORDER BY n_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB investigations · 4
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 4 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
NTSB CEN25LA402Accident · No injuriesClass 4 · LimitedFinal reportTextron 525C · Baton Rouge, LAThe improper installation of the trunnion pin, which resulted in a failure of the right main landing gear. Contributing to the accident was the failure of maintenance personnel to follow the aircraft manufacturer’s maintenance procedures.NTSB ERA25LA353Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 525C · Mayfield, KYOn September 18, 2025, about 1640 central daylight time, a Cessna 525C, N577RT, was substantially damaged when it was involved in an accident near Mayfield, Kentucky. The airline transport pilot was not injured. The airplane was operated as a Title 14 Code of…NTSB CEN17LA078Accident · Serious injuriesLimited investigationFinal reportTextron 525C · Howell, MIThe pilot's attempted landing on the ice-covered runway, which resulted in a runway excursion and impact with terrain. Contributing to the accident was airport personnel's lack of training regarding issuance of NOTAMsNTSB CEN17FA072Accident · 6 fatalField investigationFinal reportCessna 525 · Cleveland, OHControlled flight into terrain due to pilot spatial disorientation. Contributing to the accident was pilot fatigue, mode confusion related to the status of the autopilot, and negative learning transfer due to flight guidance panel and attitude indicator…
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.engine_model_code IN ('66011')
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('66011')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
FAA incident reports · 8
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20250925014999ATextron 525C · Baton Rouge, LAOn September 25, 2025, at appx 1730, the Cessna citationjet (CE-525) landed at Baton Rouge, LA airport (btr) runway 31 the right-hand (RH) main landing gear penetrated the RH wing. The pilot reported he had departed pensacola, FL (pns) and on climb-out he…Accident 20250918014689ACessna 525C · Mayfield, KYUpon landing, the aircraft had no braking action. The pilot continued to operate the brake pedals with no success. The aircraft continued past the end of the runway into the grass, through the perimeter fencing, and across the road. The aircraft came to a…Incident 20250313011469ITextron 525C · Indianapolis, INAircraft [privacy data omitted] while picking up passengers at kind, took on too much fuel during refuel operations, which put the aircraft in an overweight condition. The pilot planned to burn off excess fuel while taxiing by applying the brakes and adding…Incident 20241214017859ITextron 525C · Bozeman, MTBird struck aircraft radome on climb out resulting in damage to radome and radar.Incident 20221209013439ITextron 525C · Sugar Land, TX[privacy data omitted] Touched down on runway 17, Sugar Land Regional Airport. During deceleration phase, at approximately 90 KTS, the pilot monitoring and pilot flying briefly caught two deer once illuminated by the landing lights of the aircraft running…Incident 20220813014519ITextron 525C · Little Rock, AROn August 13, 2022 at approximately 17:30 CDT, [privacy data omitted]a Textron aviation, inc. 525C, [privacy data omitted] operated by a private pilot landed in Little Rock, AR (lit) with a failed right main tire. The pilot reported during takeoff from…Accident 20170116000109ACessna 525 · Howell, MIPilot stated "I touched down just before the 1000? Marks, lets call it 800? From the beginning of 13. It was about 300? Later I had the speed brakes and spoilers out and the nose wheel down and initiated braking. It probably was at about the 2000? Marker that…Accident 20161229022289ACessna 525C · Cleveland, OHOn December 29, 2016, at 2257 eastern standard time, a Cessna model 525C (citation CJ4) airplane, N614SB, was destroyed after impacting lake erie shortly after takeoff from runway 24R (6,604 feet by 15O feet, asphalt) at the burke lakefront airport (bkl),…
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('66011')
ORDER BY event_date DESC, report_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('66011')
ORDER BY event_date DESC, report_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Service difficulty reports · 77
SDR QREA202610140007Alternator · overheatedRIGHT AC GENERATOR FAILED IN FLIGHT WHICH CAUSED RH WINDSHEILD HEAT FAIL. AIRCRAFT WAS ENROUTE TO TXKF OCEANING FLIGHT FROM KHPN. EXITED ICING CONDITIONS AND RETURNED TO BASE AT KDXRSDR DBCA202608190001Gearbox · contaminatedRT EGINE ROLL BACK ON CLIMB OUT. EMERGENCY DECLARED BY CREW, AIRCRAFT RETURNED TO DEPARTURE AIRPORT (135 MED FLIGHT) PATIENT ALREADY DROPPED OFF, ONLY 2 FLIGHT NURSES AND 2 CREW ON BOARD. ONSITE INVESTIGATION BY HOME BASE MX TEAM FOLLOWING DAY REVEALED EXCESSSDR WI5R2025063000437Compressor · damagedENGINE MODEL FJ44-4A, S/N 211135, FROM AIRCRAFT N503TF), WAS RETURNED TO THE REPAIR STATION FOR UNSCHEDULED REPAIR. OPERATOR STATED HE DETECTED A BLEED ODOR DURING CLIMB, PROMPTING A RETURN TO AIRPORT. LANDING UNEVENTFUL. TROUBLESHOT ISSUE WITH TECH, REPORTE
See all 77 difficulty reportsQuery with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'FJ444A' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'FJ444A' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.