Honeywell TPE331-11U
8 aircraft on the U.S. register carry a Honeywell TPE331-11U engine, rated at about 1000 horsepower. The Fairchild SA227 is the model most often fitted with it (6 aircraft). The aircraft carrying it were built between 1987 and 1991.
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 TPE331-11U. FAA spelling: TPE331-11U.
Fitted to model families
Fairchild SA227 · Wsk Pzl Mielec PZL M18B · Wsk Pzl Mielec PZL-M18A
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 TPE331-11U the component layer
The design is held under 1 type certificate (E4WE, held by Honeywell Aerospace US LLC). The FAA has issued 25 airworthiness directives (orders that owners must comply with) that name this engine series.
FAA orders 25 airworthiness directives · newest first
Certificates and bulletins
Safety bulletins 2 · 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
- Fairchild SA227 6 with this engine series
- Oregon 2 of these aircraft
- Delaware 2 of these aircraft
- Missouri 1 of these aircraft
- Minnesota 1 of these aircraft
- California 1 of these aircraft
- Kolob Canyons Air Services INC 2 of these aircraft
- Mcneely Charter Service INC 1 of these aircraft
- Cbg LLC 1 of these aircraft
- FAA orders naming the Honeywell TPE331-11U 25 airworthiness directives
These connections as data: /graph/engine/honeywell-tpe331-11u.json · about the eFlight graph.
Aircraft newest certificates first · 8
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N685BA | Fairchild SA227-AC |
Fixed-wing, multi-engine | Red Pine Company LLC Bemidji, Minnesota |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9152X | Wsk Pzl Mielec PZL M18B |
Fixed-wing, single engine | Individual owner California |
Restricted | 2026-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N211RH | Fairchild SA227-AC |
Fixed-wing, multi-engine | Mcneely Charter Service INC West Memphis, Arkansas |
Standard | 2023-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N853NJ | Wsk Pzl Mielec PZL-M18A |
Fixed-wing, single engine | N853Nj LLC Frankford, Missouri |
Restricted | 2023-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N746KA | Fairchild SA227-AC |
Fixed-wing, multi-engine | Kolob Canyons Air Services INC Wilmington, Delaware |
Standard | 2014-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N649KA | Fairchild SA227-AC |
Fixed-wing, multi-engine | Kolob Canyons Air Services INC Wilmington, Delaware |
Standard | 2011-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N788KL | Fairchild SA227-AC |
Fixed-wing, multi-engine | C B G LLC Wilsonville, Oregon |
Standard | 2006-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N769KL | Fairchild SA227-AC |
Fixed-wing, multi-engine | Cbg LLC Wilsonville, Oregon |
Standard | 2006-07-14 | 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.