Honeywell TPE331-6
3 aircraft on the U.S. register carry a Honeywell TPE331-6 engine, rated at about 750 horsepower. The Beechcraft B100 is the model most often fitted with it (1 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 TPE331-6. FAA spelling: TPE331-6.
Fitted to model families
Beechcraft B100 · Mitsubishi MU-2 · Short Bros. & Harland SC-7
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Honeywell TPE331-6 the component layer
The design is held under 1 type certificate (E4WE, held by Honeywell Aerospace US LLC). The FAA has issued 32 airworthiness directives (orders that owners must comply with) that name this engine series.
FAA orders 32 airworthiness directives · newest first
Certificates and bulletins
Safety bulletins 1 · advice, not orders
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
- Beechcraft B100 1 with this engine series
- Mitsubishi MU-2 1 with this engine series
- Short Bros. & Harland SC-7 1 with this engine series
- Virginia 1 of these aircraft
- North Carolina 1 of these aircraft
- Arizona 1 of these aircraft
- Win Win Aviation INC 1 of these aircraft
- FAA orders naming the Honeywell TPE331-6 32 airworthiness directives
These connections as data: /graph/engine/honeywell-tpe331-6.json · about the eFlight graph.
Aircraft newest certificates first · 3
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N489AF | Mitsubishi MU-2B-25 |
Fixed-wing, multi-engine | Individual owner Arizona |
Standard | 2023-05-18 | ValidFAA registration status code V: Valid registration. All codes |
| N195WW | Short Bros. & Harland SC7 SERIES 3 |
Fixed-wing, multi-engine | Win Win Aviation INC Wake Forest, North Carolina |
Standard | 2022-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N770AB | Beech B100 |
Fixed-wing, multi-engine | Agb Management INC Warrenton, Virginia |
Standard | 2007-10-05 | 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.