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

Honeywell TPE331-2

3 aircraft on the U.S. register carry a Honeywell TPE331-2 engine, rated at about 715 horsepower. The Short Bros. & Harland SC-7 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1976 and 1982.

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 TPE331-2. FAA spelling: TPE331-2.

Fitted to model families

Short Bros. & Harland SC-72Short Bros SC-7-3A1

Short Bros. & Harland SC-7 · Short Bros SC-7-3A

Where they are owner's state

Nevada2North Carolina1

Kind of aircraft

Turboprops3 (100%)

When the aircraft were built by decade

001222197011980

What the FAA has certified, ordered and been told about the Honeywell TPE331-2 the component layer

The design is held under 1 type certificate (E3WE, held by Honeywell Aerospace US LLC). The FAA has issued 30 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 30 airworthiness directives · newest first

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
2015-07-222015-12-04 · Fuel control unit (FCU) · engine
2011-10-192011-18-51R1 · Main shaft bearing · engine

All orders naming the Honeywell TPE331-2

Certificates and bulletins

E3WEType certificate held by Honeywell Aerospace US LLC · 6 models listed · revised March 27, 2026

Safety bulletins 1 · advice, not orders

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-tpe331-2.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N78LA Short Bros. & Harland
SC7 SERIES 3
Fixed-wing, multi-engine Speedstar Express LLC
Carson City, Nevada
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N58LA Short Bros
SC-7-3A
Fixed-wing, multi-engine Speedstar Express LLC
Las Vegas, Nevada
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N192WW Short Bros. & Harland
SC-7 SER 3 VAR 200
Fixed-wing, multi-engine Win Win Aviation INC
Wake Forest, North Carolina
Standard 2014-03-31 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.