The U.S. aircraft register, updated daily
Engines · turboprop · data as of October 12, 2026

AlliedSignal (Honeywell) TPE331-12UHR

10 aircraft on the U.S. register carry an AlliedSignal (Honeywell) TPE331-12UHR engine, rated at about 1100 horsepower. The Fairchild SA227 is the model most often fitted with it (4 aircraft). The aircraft carrying it were built between 1975 and 2000.

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 AlliedSignal (Honeywell) TPE331-12UHR. FAA spelling: TPE331-12UHR.

Kind of aircraft

By kind, as a table
aircraftshare
Turboprops10100%

When the aircraft were built by decade

By decade built, as a table
aircraft
19702
19804
19902
20001

What the FAA has certified, ordered and been told about the AlliedSignal (Honeywell) TPE331-12UHR the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 19 failure reports with the FAA since 1995, 5 of them in the last ten years.

Failure reports 19 since · what operators and shops told the FAA

02346202504605107113119120221
Failure reports by year, as a table
reports
022
045
056
071
131
191
201
212

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Monopole4
Deflector2
Wire Harness2
Battery1
Connector1
Fcu1
Fire Loop1
Governor1
Hose1
Line1

Latest reports

2021-06-24Switch: failed
2021-02-24Governor: out of adjust
2020-12-24Fcu: failed
2019-09-21Seal: ruptured
2013-11-19Connector: shorted

Approved replacement parts 1 parts manufacturer approvals

Parts a company other than the maker may make for this engine and sell as FAA-approved. The companies holding the most:

Most often: seal (1).

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

The whole map of how records connect · these connections as data: /graph/engine/alliedsignal-honeywell-tpe331-12uhr.json.

Aircraft newest certificates first · 10

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N441MN Cessna
441
Fixed-wing, multi-engine Clear Blue Sky Aviation LLC
Belgrade, Montana
Standard 2025-09-10 ValidFAA registration status code V: Valid registration. All codes
N13RA Aero Commander
690A
Fixed-wing, multi-engine Individual owner
Florida
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N889DC Fairchild
SA227-DC (C26B)
Fixed-wing, multi-engine Cbg LLC
Englewood, Colorado
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N690CH Rockwell International
690B
Fixed-wing, multi-engine Elecrock LLC
Bay City, Wisconsin
Standard 2021-04-24 ValidFAA registration status code V: Valid registration. All codes
N26959 Fairchild
SA227-AC
Fixed-wing, multi-engine Bemidji Aviation Services INC
Bemidji, Minnesota
Standard 2020-12-16 ValidFAA registration status code V: Valid registration. All codes
N400PB Piper
PA-42-1000
Fixed-wing, multi-engine Plane Easy LLC
Lake Worth, Florida
Standard 2020-10-20 ValidFAA registration status code V: Valid registration. All codes
N5LN Fairchild
SA227-DC
Fixed-wing, multi-engine M7 Aviation Services LLC
Houston, Texas
Standard 2020-07-22 ValidFAA registration status code V: Valid registration. All codes
N477B Cessna
441
Fixed-wing, multi-engine Jrs Aviation LLC
Falls City, Nebraska
Multiple 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N55CE Fairchild
SA227-DC
Fixed-wing, multi-engine United States Army Corps of Engineers
Omaha, Nebraska
Standard 2007-08-28 ValidFAA registration status code V: Valid registration. All codes
N263MC Dornier
DORNIER 228-202
Fixed-wing, multi-engine Bighorn Airways INC
Sheridan, Wyoming
Restricted 1999-01-25 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 12, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.