The U.S. aircraft register, updated daily
Engines · turbofan · data as of October 5, 2026

Williams International FJ44-2A

117 aircraft on the U.S. register carry a Williams International FJ44-2A engine, rated at about 2,300 pounds of thrust. The Hawker Beechcraft Corp 390 is the model most often fitted with it (64 aircraft). The aircraft carrying it were built between 1978 and 2012.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Williams International FJ44-2A. FAA spelling: FJ44-2A.

Fitted to model families

Hawker Beechcraft Corp 39064Raytheon Aircraft Company 39038Cessna 501 Citation I/SP8Sino Swearingen Acft Corp SJ30-24Emivest Aerospace Corp SJ30-22Cessna 500 Citation I1

Hawker Beechcraft Corp 390 · Raytheon Aircraft Company 390 · Cessna 501 Citation I/SP · Sino Swearingen Acft Corp SJ30-2 · Emivest Aerospace Corp SJ30-2 · Cessna 500 Citation I

Where they are owner's state

Delaware16Florida13Texas9Utah8Tennessee6Kentucky6Oklahoma4Nevada4Montana4Louisiana4

Kind of aircraft

Business jets117 (100%)

When the aircraft were built by decade

024477094519702198094200082010

What the FAA has certified, ordered and been told about the Williams International FJ44-2A the component layer

The design is held under 1 type certificate (E3GL, held by Williams International Company L.L.C.). The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 63 failure reports with the FAA since 1995, 17 of them in the last ten years.

FAA orders 1 airworthiness directives · newest first

2022-08-092022-13-15 · Turbine Section · engine

Failure reports 63 since · what operators and shops told the FAA

0245704101522126

Parts most often reported as the reports name them

Blade3Door3Engine3Line3Pump3Valve3Actuator2Bearing2Compressor2Fcu2

Latest reports

2026-04-11Compressor: failed insp
2025-06-20Warning Light: multiple fail
2024-08-15Pitot Line: contaminated
2024-05-05Engine: power loss
2022-02-21Not Reported: not reported

Certificates and bulletins

E3GLType certificate held by Williams International Company L.L.C. · 13 models listed · revised April 21, 2021

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators

These connections as data: /graph/engine/williams-international-fj44-2a.json · about the eFlight graph.

Aircraft newest certificates first · 117

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N603RS Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Aurora Aviation LLC
Ray, North Dakota
Standard 2017-01-23 ValidFAA registration status code V: Valid registration. All codes
N815SF Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Tsmc Leasing LLC
Baton Rouge, Louisiana
Standard 2016-10-14 ValidFAA registration status code V: Valid registration. All codes
N109C Cessna
501
Fixed-wing, multi-engine Courtor Leasing LLC
Valencia, Pennsylvania
Standard 2016-03-03 ValidFAA registration status code V: Valid registration. All codes
N716GS Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Ht Aviation CORP
Corinth, Mississippi
Standard 2015-11-17 ValidFAA registration status code V: Valid registration. All codes
N323KM Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Kirkendoll Management LLC
New Orleans, Louisiana
Standard 2015-11-06 ValidFAA registration status code V: Valid registration. All codes
N527PN Raytheon Aircraft Company
390
Fixed-wing, multi-engine Southeast Aircraft LLC
Alexandria, Louisiana
Standard 2015-11-04 ValidFAA registration status code V: Valid registration. All codes
N774KD Raytheon Aircraft Company
390
Fixed-wing, multi-engine Sitatunga Springs LLC
Milwaukee, Wisconsin
Standard 2015-10-15 ValidFAA registration status code V: Valid registration. All codes
N678AM Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Dptc LLC
Whites Creek, Tennessee
Standard 2015-08-04 ValidFAA registration status code V: Valid registration. All codes
N30SJ Sino Swearingen Acft Corp
SJ30-2
Fixed-wing, multi-engine High Altitude INC Trustee
Wilmington, Delaware
Standard 2015-06-24 ValidFAA registration status code V: Valid registration. All codes
N390GM Raytheon Aircraft Company
390
Fixed-wing, multi-engine Black Bear Investment Holdings INC
Naples, Florida
Standard 2013-09-23 ValidFAA registration status code V: Valid registration. All codes
N808L Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Frank Fletcher Premier Two LLC
Sherwood, Arkansas
Standard 2013-03-19 ValidFAA registration status code V: Valid registration. All codes
N21FM Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Rcs Holdings LLC
Cross Lanes, West Virginia
Standard 2009-10-01 ValidFAA registration status code V: Valid registration. All codes
N410SH Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Silverton Air LLC
Bardstown, Kentucky
Standard 2009-06-26 ValidFAA registration status code V: Valid registration. All codes
N952GL Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Rio Bravo Helicopters CORP Aka
Laredo, Texas
Standard 2007-12-06 ValidFAA registration status code V: Valid registration. All codes
N835ZT Raytheon Aircraft Company
390
Fixed-wing, multi-engine Zotec Aviation LLC
Carmel, Indiana
Standard 2007-01-31 ValidFAA registration status code V: Valid registration. All codes
N530PT Raytheon Aircraft Company
390
Fixed-wing, multi-engine Rgp Enterprises LLC
Tulsa, Oklahoma
Standard 2006-11-22 ValidFAA registration status code V: Valid registration. All codes
N9930B Hawker Beechcraft Corp
390
Fixed-wing, multi-engine Individual owner
Washington
Standard PendingFAA registration status code R: Registration pending. All codes
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Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.