The U.S. aircraft register, updated daily
Engines · turbofan · data as of October 7, 2026

Honeywell TFE731-2B

3 aircraft on the U.S. register carry a Honeywell TFE731-2B engine, rated at about 3,500 pounds of thrust. The Gates Lear Jet 35 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1975 and 1981.

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 Honeywell TFE731-2B. FAA spelling: TFE731-2B.

Fitted to model families

Gates Lear Jet 352Dassault FALCON 201

Gates Lear Jet 35 · Dassault FALCON 20

Where they are owner's state

Florida1Delaware1California1

Kind of aircraft

Business jets3 (100%)

When the aircraft were built by decade

001222197011980

What the FAA has certified, ordered and been told about the Honeywell TFE731-2B the component layer

The design is held under 1 type certificate (E6WE, held by Honeywell Aerospace US LLC). The FAA has issued 9 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 9 airworthiness directives · newest first

2005-07-272005-13-07 · Turbine rotor discs. · engine
2001-12-212001-23-09 · Fan Rotor Discs · engine
2000-10-102000-15-09 · HPC Impeller · engine
1999-05-1998-17-01 R1 · Flex Fuel Tube · engine
1998-10-1398-17-01 · Airworthiness Directives; AlliedSignal Inc. TFE731 Series Turbofan Engines · engine
1996-04-0296-05-03 · Fan rotor disks · engine

All orders naming the Honeywell TFE731-2B

Certificates and bulletins

E6WEType certificate held by Honeywell Aerospace US LLC · 23 models listed · revised March 27, 2026

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
Airworthiness

These connections as data: /graph/engine/honeywell-tfe731-2b.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N78MB Dassault-Breguet
FALCON 20
Fixed-wing, multi-engine V1Vr LLC
Wilmington, Delaware
Standard 2025-02-05 ValidFAA registration status code V: Valid registration. All codes
N364CL Gates Lear Jet
35
Fixed-wing, multi-engine Individual owner
California
Special flight permit 2019-09-25 ValidFAA registration status code V: Valid registration. All codes
N91GJ Gates Lear Jet
35
Fixed-wing, multi-engine Global Jetcare INC
Brooksville, Florida
Standard 2017-02-10 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.