Lycoming IO-540-K1J5
10 aircraft on the U.S. register carry a Lycoming IO-540-K1J5 engine, rated at about 300 horsepower. The Piper AEROSTAR 600 is the model most often fitted with it (8 aircraft). The aircraft carrying it were built between 1978 and 2013.
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-K1J5. FAA spelling: IO-540-K1J5.
Fitted to model families
Piper AEROSTAR 600 · Child Delton G GLASAIR III · Guest James H GA III
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-K1J5 the component layer
The design is held under 1 type certificate (1E4, held by Lycoming Engines). The FAA has issued 33 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 64 failure reports with the FAA since 1995, 10 of them in the last ten years.
FAA orders 33 airworthiness directives · newest first
Failure reports 64 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 AEROSTAR 600 8 with this engine series
- Texas 3 of these aircraft
- Florida 3 of these aircraft
- Pennsylvania 1 of these aircraft
- Ohio 1 of these aircraft
- Delaware 1 of these aircraft
- FAA orders naming the Lycoming IO-540-K1J5 33 airworthiness directives
- Failure reports on the Lycoming IO-540-K1J5 64 reports since 1995
These connections as data: /graph/engine/lycoming-io-540-k1j5.json · about the eFlight graph.
Aircraft newest certificates first · 10
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N4LN | Piper AEROSTAR 600A |
Fixed-wing, multi-engine | Tec Aviation LLC Euclid, Ohio |
Standard | 2026-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N817AR | Piper AEROSTAR 600 |
Fixed-wing, multi-engine | Live More LLC Crowley, Texas |
Standard | 2025-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N513AR | Piper AEROSTAR 600 |
Fixed-wing, multi-engine | Live More LLC Crowley, Texas |
Standard | 2025-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N51GR | Piper Aircraft Corp AEROSTAR 600 |
Fixed-wing, multi-engine | Individual owner Florida |
Standard | 2025-10-22 | ValidFAA registration status code V: Valid registration. All codes |
| N953LW | Piper AEROSTAR 600 |
Fixed-wing, multi-engine | Co-owned owner Pennsylvania |
Standard | 2023-03-10 | ValidFAA registration status code V: Valid registration. All codes |
| N543JG | Guest James H GA III |
Fixed-wing, single engine | Individual owner Arizona |
Experimental | 2022-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N343MT | Child Delton G GLASAIR III |
Fixed-wing, single engine | Demon Diversified LLC Wilmington, Delaware |
Experimental | 2014-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N323AK | Piper AEROSTAR 600 |
Fixed-wing, multi-engine | Adk Global LLC Hollywood, Florida |
Standard | ValidFAA registration status code V: Valid registration. All codes | |
| N81AK | Piper AEROSTAR 600A |
Fixed-wing, multi-engine | Adk Global LLC Hollywood, Florida |
Standard | ValidFAA registration status code V: Valid registration. All codes | |
| N83SL | Piper AEROSTAR 600 |
Fixed-wing, multi-engine | Individual owner Texas |
Standard | PendingFAA registration status code R: Registration pending. 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.