Lycoming IO-390-A1A6
20 aircraft on the U.S. register carry a Lycoming IO-390-A1A6 engine, rated at about 210 horsepower. The American Champion Aircraft 8 Decathlon and Scout is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1975 and 2014.
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-390-A1A6. FAA spelling: IO-390-A1A6.
Fitted to model families
American Champion Aircraft 8 Decathlon and Scout · Cessna 177 Cardinal · Rockwell International 112 · Anderson Gordon Paul SPORTSMAN GS-2 · Br Legend Llc SPORTSMAN GS-2 · Brault Steve SPORTSMAN GS-2 · Church James A SPORTSMAN GS-2 · Cleversley Keith SPORTSMAN GS-2 · Horton Daniel RV-8 · Lake LA-4
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-390-A1A6 the component layer
The design is held under 1 type certificate (E00006NY, held by Lycoming Engines). The FAA has issued 5 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, 4 of them in the last ten years.
FAA orders 5 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 2 · 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
- American Champion Aircraft 8 Decathlon and Scout 2 with this engine series
- Cessna 177 Cardinal 2 with this engine series
- Rockwell International 112 2 with this engine series
- Lake LA-4 1 with this engine series
- Mooney M-20 1 with this engine series
- Florida 4 of these aircraft
- Washington 2 of these aircraft
- Tennessee 2 of these aircraft
- New York 2 of these aircraft
- Delaware 2 of these aircraft
- Hawk Aviation LLC 1 of these aircraft
- FAA orders naming the Lycoming IO-390-A1A6 5 airworthiness directives
- Failure reports on the Lycoming IO-390-A1A6 4 reports since 1995
These connections as data: /graph/engine/lycoming-io-390-a1a6.json · about the eFlight graph.
Aircraft newest certificates first · 20
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N53061 | Cessna 177RG |
Fixed-wing, single engine | Flying Ducks Aviation LLC Newport, Oregon |
Standard | 2026-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N177P | Cessna 177RG |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2026-01-27 | ValidFAA registration status code V: Valid registration. All codes |
| N146JC | Church James A SPORTSMAN GS-2 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2025-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N1443J | Rockwell International 112A |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2023-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N121PK | Br Legend Llc SPORTSMAN GS-2 |
Fixed-wing, single engine | Twb LLC Wilmington, Delaware |
Experimental | 2022-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N529GP | Anderson Gordon Paul SPORTSMAN GS-2 |
Glider | Co-owned owner Montana |
Experimental | 2020-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N37FT | Shoffner Charles W GLASAIR SPORTSMAN2+2 |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2019-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N13VF | Parker Ronald B VANS AIRCRAFT RV-8 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2019-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N1142G | Mooney M20J |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2018-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N259KC | Cleversley Keith SPORTSMAN GS-2 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2018-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N728JB | American Champion Aircraft 8GCBC |
Fixed-wing, single engine | Bex INC Wilmington, Delaware |
Standard | 2014-12-03 | ValidFAA registration status code V: Valid registration. All codes |
| N555AC | American Champion Aircraft 8GCBC |
Fixed-wing, single engine | Hawk Aviation LLC Springville, New York |
Standard | 2012-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N4274L | Loreto Sunsets Llc SPORTSMAN GS-2 |
Fixed-wing, single engine | Lakes Loopers LLC Bellevue, Washington |
Experimental | 2012-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N418BW | William E Wright RV-8 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2011-11-07 | ValidFAA registration status code V: Valid registration. All codes |
| N17L | Brault Steve SPORTSMAN GS-2 |
Fixed-wing, single engine | Gkd CORP North Lakewood, Washington |
Experimental | 2011-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5551 | Horton Daniel RV-8 |
Fixed-wing, single engine | Individual owner Alabama |
Experimental | 2010-07-19 | ValidFAA registration status code V: Valid registration. All codes |
| N375PS | Ovitt Keith GS-2 SPORTSMAN |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2007-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N1410J | Rockwell International 112A |
Fixed-wing, single engine | Air Otto CORP Lake Katrine, New York |
Standard | 2006-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N53JN | Lake LA-4-200 |
Fixed-wing, single engine | La1074 LLC Naples, Florida |
Standard | 2001-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N108SM | Magill Stanley J COZY MARK IV |
Fixed-wing, single engine | Individual owner California |
Experimental | 1999-03-22 | 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.