Lycoming IO-540-K1E5
5 aircraft on the U.S. register carry a Lycoming IO-540-K1E5 engine, rated at about 300 horsepower. The Beechcraft V35 Bonanza is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1971 and 2023.
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 IO-540-K1E5. FAA spelling: IO-540-K1E5.
Fitted to model families
Beechcraft V35 Bonanza · Bellanca 17 Viking · Bellanca Inc 17-31A · Fairbrother Henry P SA-300 · Robert J Boettcher EXPRESS 2000FT
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 IO-540-K1E5 the component layer
The design is held under 1 type certificate (1E4, held by Lycoming Engines). The FAA has issued 35 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 4 failure reports with the FAA since 1995, 3 of them in the last ten years.
FAA orders 35 airworthiness directives · newest first
Failure reports 4 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
- Beechcraft V35 Bonanza 1 with this engine series
- Bellanca 17 Viking 1 with this engine series
- Washington 1 of these aircraft
- Oklahoma 1 of these aircraft
- New Hampshire 1 of these aircraft
- Nebraska 1 of these aircraft
- Michigan 1 of these aircraft
- FAA orders naming the Lycoming IO-540-K1E5 35 airworthiness directives
- Failure reports on the Lycoming IO-540-K1E5 4 reports since 1995
These connections as data: /graph/engine/lycoming-io-540-k1e5.json · about the eFlight graph.
Aircraft newest certificates first · 5
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N1587B | Robert J Boettcher EXPRESS 2000FT |
Fixed-wing, single engine | Individual owner Nebraska |
Experimental | 2023-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N81HF | Fairbrother Henry P SA-300 |
Fixed-wing, single engine | Co-owned owner New Hampshire |
Experimental | 2022-06-16 | ValidFAA registration status code V: Valid registration. All codes |
| N77973 | Bellanca Inc 17-31A |
Fixed-wing, single engine | Rentme LLC Muskegon, Michigan |
Standard | 2022-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7145N | Beech V35A |
Fixed-wing, single engine | Oklahoma Beech Boys LLC Weatherford, Oklahoma |
Experimental | 2018-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8836V | Bellanca 17-31A |
Fixed-wing, single engine | Individual owner Washington |
Standard | 1982-09-20 | 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.