Lycoming O-540-B2C5
13 aircraft on the U.S. register carry a Lycoming O-540-B2C5 engine, rated at about 235 horsepower. The Piper PA-25 Pawnee is the model most often fitted with it (12 aircraft). The aircraft carrying it were built between 1967 and 1978.
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 Lycoming O-540-B2C5. FAA spelling: O-540-B2C5.
Fitted to model families
Piper PA-25 Pawnee · Thacker STARDUSTER TOO SA300
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 Lycoming O-540-B2C5 the component layer
The design is held under 1 type certificate (E-295, held by Lycoming Engines). The FAA has issued 22 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 16 failure reports with the FAA since 1995, 6 of them in the last ten years.
FAA orders 22 airworthiness directives · newest first
Failure reports 16 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 6 · 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
- Piper PA-25 Pawnee 12 with this engine series
- Colorado 2 of these aircraft
- California 2 of these aircraft
- Washington 1 of these aircraft
- Texas 1 of these aircraft
- Tennessee 1 of these aircraft
- Sky Sailing INC 1 of these aircraft
- Simmons Aviation Services LLC 1 of these aircraft
- Minden Soaring Club INC 1 of these aircraft
- FAA orders naming the Lycoming O-540-B2C5 22 airworthiness directives
- Failure reports on the Lycoming O-540-B2C5 16 reports since 1995
These connections as data: /graph/engine/lycoming-o-540-b2c5.json · about the eFlight graph.
Aircraft newest certificates first · 13
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N14525 | Thacker STARDUSTER TOO SA300 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2025-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N9883P | Piper PA-25-235 |
Fixed-wing, single engine | Minden Soaring Club INC Minden, Nevada |
Standard | 2025-02-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4333Y | Piper PA-25-235 |
Fixed-wing, single engine | Evergreen Soaring INC Lynnwood, Washington |
Restricted | 2023-06-12 | ValidFAA registration status code V: Valid registration. All codes |
| N82305 | Piper PA-25-235 |
Fixed-wing, single engine | Akima Logistics Services LLC Usaf Academy, Colorado |
Restricted | 2023-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4983Y | Piper PA-25-235 |
Fixed-wing, single engine | Caprock Soaring Association Lubbock, Texas |
Standard | 2022-01-12 | ValidFAA registration status code V: Valid registration. All codes |
| N4606Y | Piper PA-25-235 |
Fixed-wing, single engine | Adirondack Soaring Association INC Ballston Spa, New York |
Restricted | 2019-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8937L | Piper PA-25-235 |
Fixed-wing, single engine | Hood River Soaring Hood River, Oregon |
Standard | 2017-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4669Y | Piper PA-25-235 |
Fixed-wing, single engine | Hollister Soaring Center LLC Hollister, California |
Standard | 2016-10-13 | ValidFAA registration status code V: Valid registration. All codes |
| N9897P | Piper PA-25-235 |
Fixed-wing, single engine | Mississippi State University Soaring Club INC Mississippi State, Mississippi |
Standard | 2015-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N4593Y | Piper PA-25-235 |
Fixed-wing, single engine | Soaring Society of Boulder Boulder, Colorado |
Restricted | 2014-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8784L | Piper PA-25-235 |
Fixed-wing, single engine | Simmons Aviation Services LLC Pawcatuck, Connecticut |
Standard | 2009-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N62873 | Piper PA-25-235 |
Fixed-wing, single engine | Sky Sailing INC Warner Springs, California |
Standard | 2006-12-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4748Y | Piper PA-25-235 |
Fixed-wing, single engine | Memphis Soaring Society Memphis, Tennessee |
Restricted | 1981-01-02 | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.