Lycoming IO-540-A1A5
16 aircraft on the U.S. register carry a Lycoming IO-540-A1A5 engine, rated at about 290 horsepower. The Robinson R44 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1964 and 2024.
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-A1A5. FAA spelling: IO-540-A1A5.
Fitted to model families
Robinson R44 · Cessna T206 Turbo Stationair · Cor Versluis SH-3R (GLASAIR III) · Dan White RV10 · David Hoefgen RV-10 · Dehavilland DHC-1 · Dornier DO28 · Kenneth L Galloway VANS AIRCRAFT RV-10 · Krueger Dale W KA-18L · Larry Joseph Boggs SUPER RV-8
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-A1A5 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 6 failure reports with the FAA since 1995, 4 of them in the last ten years.
FAA orders 33 airworthiness directives · newest first
Failure reports 6 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
- Robinson R44 3 with this engine series
- Cessna T206 Turbo Stationair 1 with this engine series
- Dehavilland DHC-1 1 with this engine series
- Dornier DO28 1 with this engine series
- Piper PA-25 Pawnee 1 with this engine series
- Piper PA-32 Cherokee Six, Lance and Saratoga 1 with this engine series
- Florida 3 of these aircraft
- Texas 2 of these aircraft
- Oregon 2 of these aircraft
- Wisconsin 1 of these aircraft
- Washington 1 of these aircraft
- Southern Utah University 1 of these aircraft
- FAA orders naming the Lycoming IO-540-A1A5 33 airworthiness directives
- Failure reports on the Lycoming IO-540-A1A5 6 reports since 1995
These connections as data: /graph/engine/lycoming-io-540-a1a5.json · about the eFlight graph.
Aircraft newest certificates first · 16
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N23MX | Tony Hesseen MXR MX2 |
Fixed-wing, single engine | Extremeaerosports.Com LLC Corvallis, Oregon |
Experimental | 2026-03-25 | ValidFAA registration status code V: Valid registration. All codes |
| N89JG | Dehavilland DHC-1B-2-S5 |
Fixed-wing, single engine | Ghostwriter Airshows LLC Hustonville, Kentucky |
Experimental | 2025-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N9956T | Krueger Dale W KA-18L |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2025-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N441BG | Robinson Helicopter R44 II |
Helicopter | Awa Aviation LLC Okeechobee, Florida |
Standard | 2025-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N3DM | Milton Don STODDARD HAMILTON GL |
Fixed-wing, single engine | Rogueaero LLC Post Falls, Idaho |
Experimental | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N50KW | Dan White RV10 |
Fixed-wing, single engine | Dsw Aircraft LTD LLC Kalispell, Montana |
Experimental | 2023-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4499 | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2023-03-15 | ValidFAA registration status code V: Valid registration. All codes |
| N808BF | Cor Versluis SH-3R (GLASAIR III) |
Fixed-wing, single engine | Individual owner Washington |
Experimental | 2022-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N320XP | Larry Joseph Boggs SUPER RV-8 |
Fixed-wing, single engine | Individual owner Indiana |
Experimental | 2020-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N948CB | Cessna T206H |
Fixed-wing, single engine | South Plains Implement LTD Seminole, Texas |
Standard | 2018-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1513T | Piper PA-32-300 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2017-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N125MK | Kenneth L Galloway VANS AIRCRAFT RV-10 |
Fixed-wing, single engine | Individual owner South Carolina |
Experimental | 2015-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N391DE | Dornier DO28 B-1 |
Fixed-wing, multi-engine | Individual owner Alabama |
Standard | 2014-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N540AR | David Hoefgen RV-10 |
Fixed-wing, single engine | American Rentals 6 LLC Dousman, Wisconsin |
Experimental | 2014-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4520X | Robinson Helicopter R44 II |
Helicopter | Florida Coast To Coast Helicopters INC Pompano Beach, Florida |
Standard | 2009-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N42VA | Piper PA-25-250 |
Fixed-wing, single engine | Fault Line Flyers Leander, Texas |
Restricted | 2001-05-18 | 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.