Honeywell AL5512
5 aircraft on the U.S. register carry a Honeywell AL5512 engine, rated at about 4075 horsepower. The Boeing-Vertol 234 is the model most often fitted with it (5 aircraft). The aircraft carrying it were built between 1981 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 AL5512. FAA spelling: AL5512.
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 AL5512 the component layer
The design is held under 1 type certificate (E4NE, held by Honeywell Aerospace US LLC). No FAA order in the current files names this engine series.
Certificates and bulletins
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
- Boeing-Vertol 234 5 with this engine series
- Columbia Helicopters INC 3 of these aircraft
- Bank Of Utah Trustee 2 of these aircraft
These connections as data: /graph/engine/honeywell-al5512.json · about the eFlight graph.
Aircraft newest certificates first · 5
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N237CH | Boeing-Vertol 234 |
Rotorcraft | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2026-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N238CH | Boeing-Vertol 234 |
Rotorcraft | Bank of Utah Trustee Salt Lake City, Utah |
Standard | 2026-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N235CH | Boeing-Vertol 234LR |
Rotorcraft | Columbia Helicopters INC Aurora, Oregon |
Standard | 2023-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N246CH | Boeing-Vertol 234LR |
Rotorcraft | Columbia Helicopters INC Aurora, Oregon |
Standard | 2023-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N239CH | Boeing-Vertol 234 |
Rotorcraft | Columbia Helicopters INC Aurora, Oregon |
Experimental | 2017-05-04 | 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.
