Lycoming AEIO-390-A1B6
35 aircraft on the U.S. register carry a Lycoming AEIO-390-A1B6 engine, rated at about 210 horsepower. The American Champion Aircraft 8 Decathlon and Scout is the model most often fitted with it (35 aircraft). The aircraft carrying it were built between 2013 and 2025.
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 AEIO-390-A1B6. FAA spelling: AEIO-390-A1B6.
Fitted to model families
American Champion Aircraft 8 Decathlon and Scout35
Where they are owner's state
Delaware6California4Colorado3North Carolina2Florida2Wyoming1Wisconsin1Utah1Texas1Tennessee1
Kind of aircraft
Piston singles35 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming AEIO-390-A1B6 the component layer
The design is held under 1 type certificate (E00006NY, held by Lycoming Engines). The FAA has issued 3 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 1 failure report with the FAA since 1995, 1 of them in the last ten years.
FAA orders 3 airworthiness directives · newest first
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2012-10-242012-19-01 · Crankshafts · engine
Failure reports 1 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Connector1
Latest reports
2019-05-05Connector: burned
Certificates and bulletins
E00006NYType certificate held by Lycoming Engines · 17 models listed · revised January 12, 2023
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
Fitted to
- American Champion Aircraft 8 Decathlon and Scout 35 with this engine series
Where they are
- Delaware 6 of these aircraft
- California 4 of these aircraft
- Colorado 3 of these aircraft
- North Carolina 2 of these aircraft
- Florida 2 of these aircraft
Biggest operators
- Southern Aircraft Consultancy INC Trustee 1 of these aircraft
Airworthiness
- FAA orders naming the Lycoming AEIO-390-A1B6 3 airworthiness directives
- Failure reports on the Lycoming AEIO-390-A1B6 1 reports since 1995
Analytics
These connections as data: /graph/engine/lycoming-aeio-390-a1b6.json · about the eFlight graph.
Aircraft newest certificates first · 35
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N390XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Decathlon Xtreme INC Trustee Wilmington, Delaware |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N192MA | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2026-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N210XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2026-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N62FE | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N597CM | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Aerospace Trust Managment LLC Owner Trustee Wilmington, Delaware |
Standard | 2026-01-13 | ValidFAA registration status code V: Valid registration. All codes |
| N15DY | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Charlie Golf Aviation LLC Moorpark, California |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N726AW | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N89MM | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Sic Sac Fliers LLC Gainesville, Florida |
Standard | 2025-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N451PC | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Parkland College Champaign, Illinois |
Standard | 2025-01-13 | ValidFAA registration status code V: Valid registration. All codes |
| N111GW | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Qualitair LLC Trustee Michelstadt, |
Standard | 2024-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N73XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | N73Xd LLC Houston, Texas |
Standard | 2024-01-08 | ValidFAA registration status code V: Valid registration. All codes |
| N484MA | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Gibby Aviation INC Wilmington, Delaware |
Standard | 2023-12-03 | ValidFAA registration status code V: Valid registration. All codes |
| N64273 | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2023-07-12 | ValidFAA registration status code V: Valid registration. All codes |
| N214EF | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2023-06-12 | ValidFAA registration status code V: Valid registration. All codes |
| N92SG | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Straight and Level LLC Woodbine, Maryland |
Standard | 2023-02-16 | ValidFAA registration status code V: Valid registration. All codes |
| N22YP | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Emb500 INC Saint Petersburg, Florida |
Standard | 2023-02-07 | ValidFAA registration status code V: Valid registration. All codes |
| N906N | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Cactus Pilots LLC Tulsa, Oklahoma |
Standard | 2023-01-12 | ValidFAA registration status code V: Valid registration. All codes |
| N50XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2022-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N390PE | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Co-owned owner Georgia |
Standard | 2021-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N515PG | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner California |
Standard | 2021-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N50XT | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | N50Xt LLC San Lorenzo, California |
Standard | 2021-01-26 | ValidFAA registration status code V: Valid registration. All codes |
| N60XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Iron Air LLC Saint Albans, Missouri |
Standard | 2021-01-26 | ValidFAA registration status code V: Valid registration. All codes |
| N90GT | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Hawk Aviation LLC Buffalo, New York |
Standard | 2020-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N148AK | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2020-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N15XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Spin Star LLC Wilmington, Delaware |
Standard | 2019-11-16 | ValidFAA registration status code V: Valid registration. All codes |
| N12TN | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Egret Aero INC Colorado Springs, Colorado |
Standard | 2019-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N90GE | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Wc Three LLC Wilmington, Delaware |
Standard | 2018-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N174TB | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2017-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N757EJ | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2017-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N210XT | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner California |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N255BR | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2016-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N14XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Aero Leasing INC Wilmington, Delaware |
Standard | 2015-02-20 | ValidFAA registration status code V: Valid registration. All codes |
| N922DE | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Michigan Aviation LLC Commerce Township, Michigan |
Standard | 2014-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N555XD | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | Xd Aviation LLC Castle Rock, Colorado |
Standard | 2014-02-03 | ValidFAA registration status code V: Valid registration. All codes |
| N469J | American Champion Aircraft 8KCAB |
Fixed-wing, single engine | American Champion Aircraft CORP Rochester, Wisconsin |
Standard | 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.