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

Honeywell TPE331-10

13 aircraft on the U.S. register carry a Honeywell TPE331-10 engine, rated at about 940 horsepower. The Thrush Aircraft Inc S-2 is the model most often fitted with it (5 aircraft). The aircraft carrying it were built between 1960 and 2020.

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 TPE331-10. FAA spelling: TPE331-10.

Fitted to model families

Thrush Aircraft Inc S-25Cessna 441 Conquest II1Construcciones Aeronauticas Sa C-2121Dehavilland DHC-31Dornier Luftfahrt Gmbh DO 228-2121General Atomics UBC970001Mitsubishi MU-21Piper PA-46 Malibu, Mirage, Matrix and M-Class1Rockwell International S-21

Thrush Aircraft Inc S-2 · Cessna 441 Conquest II · Construcciones Aeronauticas Sa C-212 · Dehavilland DHC-3 · Dornier Luftfahrt Gmbh DO 228-212 · General Atomics UBC97000 · Mitsubishi MU-2 · Piper PA-46 Malibu, Mirage, Matrix and M-Class · Rockwell International S-2

Where they are owner's state

Michigan3California2Utah1Texas1North Dakota1North Carolina1Idaho1Florida1Delaware1Alaska1

Kind of aircraft

Turboprops12 (92%)Drones1 (8%)

When the aircraft were built by decade

01245119601197041980119905201012020

What the FAA has certified, ordered and been told about the Honeywell TPE331-10 the component layer

The design is held under 1 type certificate (E4WE, held by Honeywell Aerospace US LLC). The FAA has issued 27 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 27 airworthiness directives · newest first

2018-12-102018-22-01 · Turbine Section · engine
2018-10-222018-17-15 · Turbine Engine Combustion Section · engine
2018-07-262018-13-05 · Turbine Engine Reduction Gear · engine
2018-02-282018-02-14 · Turbine Engine Combustion Section · engine
2016-11-282016-21-07 · Fuel control drive · engine
2016-11-042016-18-17 · Compressor impeller · engine

All orders naming the Honeywell TPE331-10

Certificates and bulletins

E4WEType certificate held by Honeywell Aerospace US LLC · 48 models listed · revised March 27, 2026

Safety bulletins 2 · advice, not orders

2016-07-22NE-16-19 · Turbine Engine Compressor Section Stator Nozzle Distress
2016-07-11NE-16-18 · Power Lever Loss of Power Control

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-tpe331-10.json · about the eFlight graph.

Aircraft newest certificates first · 13

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N443CB Dehavilland
DHC-3
Fixed-wing, single engine Katmai Air LLC
Anchorage, Alaska
Standard 2026-08-22 ValidFAA registration status code V: Valid registration. All codes
N517NC Cessna
441
Fixed-wing, multi-engine Conquest 441-0355 INC Trustee
Wilmington, Delaware
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N228SD Dornier Luftfahrt Gmbh
DO 228-212
Fixed-wing, multi-engine General Atomics Aeronautical Systems INC
San Diego, California
Experimental 2025-03-27 ValidFAA registration status code V: Valid registration. All codes
N8523V Rockwell International
S-2R
Fixed-wing, single engine Bain Aviation INC
Weiser, Idaho
Experimental 2022-04-12 ValidFAA registration status code V: Valid registration. All codes
N461TM Piper Aircraft Inc
PA-46-310P
Fixed-wing, single engine Individual owner
Texas
Experimental 2021-04-10 ValidFAA registration status code V: Valid registration. All codes
N290LB General Atomics
UBC97000-16
Defense drones General Atomics Aeronautical Systems INC
Poway, California
Experimental 2021-01-14 ValidFAA registration status code V: Valid registration. All codes
N758XP Construcciones Aeronauticas Sa
C-212-CC
Fixed-wing, multi-engine Paraclete Aviation LLC
Raeford, North Carolina
Standard 2021-01-05 ValidFAA registration status code V: Valid registration. All codes
N794MA Mitsubishi
MU-2B-60
Fixed-wing, multi-engine Southern Jets INC
Naples, Florida
Standard 2020-07-30 ValidFAA registration status code V: Valid registration. All codes
N6207G Thrush Aircraft Inc
S2R-G10
Fixed-wing, single engine Bank of Utah Trustee
Salt Lake City, Utah
Restricted 2018-05-01 ValidFAA registration status code V: Valid registration. All codes
N915HA Thrush Aircraft Inc
S2R-G10
Fixed-wing, single engine Heritage AG LLC
Lakeview, Michigan
Restricted 2013-08-19 ValidFAA registration status code V: Valid registration. All codes
N529KC Thrush Aircraft Inc
S2R-G10
Fixed-wing, single engine Aerial Crop Care CO
Hebron, North Dakota
Restricted 2012-05-04 ValidFAA registration status code V: Valid registration. All codes
N38HA Thrush Aircraft Inc
S2R-G10
Fixed-wing, single engine Heritage AG LLC
Lakeview, Michigan
Restricted 2011-07-13 ValidFAA registration status code V: Valid registration. All codes
N53016 Thrush Aircraft Inc
S2R-G10
Fixed-wing, single engine Earles Spray Service INC
Breckenridge, Michigan
Restricted 2010-04-02 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.