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

Honeywell TFE731-20BR

105 aircraft on the U.S. register carry a Honeywell TFE731-20BR engine, rated at about 3,650 pounds of thrust. The Learjet 45 is the model most often fitted with it (105 aircraft). The aircraft carrying it were built between 1998 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 Honeywell TFE731-20BR. FAA spelling: TFE731-20BR.

Fitted to model families

Learjet 45105

Learjet 45

Where they are owner's state

Texas17Utah11Ohio7Delaware7Arkansas7Illinois6Florida6Georgia4Colorado4Oregon3

Kind of aircraft

Business jets105 (100%)

When the aircraft were built by decade

01837567431990742000262010

What the FAA has certified, ordered and been told about the Honeywell TFE731-20BR the component layer

The design is held under 1 type certificate (E1NM, held by Honeywell Aerospace US LLC). The FAA has issued 4 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 39 failure reports with the FAA since 1995, 28 of them in the last ten years.

FAA orders 4 airworthiness directives · newest first

2019-04-252019-05-07 · Turbine Engine Compressor Section · engine
2012-10-012012-16-14 · LPT2 rotor blades · engine
2008-03-062008-02-19 · High pressure (HP) turbine rotor assemblies · engine
2014-12-52 emergency · 2nd stage low-pressure turbine (LPT2) blades · engine

Failure reports 39 since · what operators and shops told the FAA

02346121723326

Parts most often reported as the reports name them

Controller3Fire Warning3Bearing2Hydraulic Line2Line2O-Ring2Pump2Acm1Actuator1Boot1

Latest reports

2026-07-21Fire Warning: false activation
2026-07-03Hydraulic System: abnormal
2026-02-27Fire Warning: illuminated
2025-09-26Warning Message: illuminated
2025-09-26Engine: warning message

Certificates and bulletins

E1NMType certificate held by Honeywell Aerospace US LLC · 10 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-tfe731-20br.json · about the eFlight graph.

Aircraft newest certificates first · 105

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N256AH Learjet Inc
45
Fixed-wing, multi-engine Apple Six Hospitality Air LLC
Richmond, Virginia
Standard 2011-03-02 ValidFAA registration status code V: Valid registration. All codes
N145MW Learjet Inc
45
Fixed-wing, multi-engine Whiskey Tango LLC
Midland, Texas
Standard 2009-05-06 ValidFAA registration status code V: Valid registration. All codes
N40PD Learjet Inc
45
Fixed-wing, multi-engine Lear Flight LLC
Reno, Nevada
Standard 2008-10-28 ValidFAA registration status code V: Valid registration. All codes
N45HG Learjet Inc
45
Fixed-wing, multi-engine Asphalt Materials INC
Indianapolis, Indiana
Standard 2007-11-28 ValidFAA registration status code V: Valid registration. All codes
N452LJ Learjet Inc
45
Fixed-wing, multi-engine Learjet INC
Wichita, Kansas
Experimental Expired dealerFAA registration status code D. All codes
Previous Page 2 of 2

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.