Lycoming O-235-K2C
13 aircraft on the U.S. register carry a Lycoming O-235-K2C engine, rated at about 118 horsepower. The American Champion Aircraft 7 Citabria and Champ is the model most often fitted with it (11 aircraft). The aircraft carrying it were built between 1966 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 O-235-K2C. FAA spelling: O-235-K2C.
Fitted to model families
American Champion Aircraft 7 Citabria and Champ · Bellanca 7 Citabria · Champion 7 Citabria and Champ
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 O-235-K2C the component layer
The design is held under 1 type certificate (E-223, held by Lycoming Engines). The FAA has issued 11 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 17 failure reports with the FAA since 1995, 3 of them in the last ten years.
FAA orders 11 airworthiness directives · newest first
Failure reports 17 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 3 · 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 7 Citabria and Champ 11 with this engine series
- Bellanca 7 Citabria 1 with this engine series
- Champion 7 Citabria and Champ 1 with this engine series
- Texas 6 of these aircraft
- Utah 1 of these aircraft
- South Dakota 1 of these aircraft
- Oklahoma 1 of these aircraft
- Illinois 1 of these aircraft
- Letourneau University 5 of these aircraft
- Tvpx Ars INC Trustee 1 of these aircraft
- Lake Area Technical College 1 of these aircraft
- FAA orders naming the Lycoming O-235-K2C 11 airworthiness directives
- Failure reports on the Lycoming O-235-K2C 17 reports since 1995
These connections as data: /graph/engine/lycoming-o-235-k2c.json · about the eFlight graph.
Aircraft newest certificates first · 13
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N634L | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Letourneau University Longview, Texas |
Standard | 2026-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N80SD | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Lake Area Technical College Watertown, South Dakota |
Standard | 2025-11-10 | ValidFAA registration status code V: Valid registration. All codes |
| N795L | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Letourneau University Longview, Texas |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N541ME | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Standard | 2024-04-07 | ValidFAA registration status code V: Valid registration. All codes | |
| N710TL | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Co-owned owner Georgia |
Standard | 2023-07-02 | ValidFAA registration status code V: Valid registration. All codes |
| N822V | Bellanca 7ECA |
Fixed-wing, single engine | Affection Above Aviation INC Yukon, Oklahoma |
Standard | 2021-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N408JN | Champion 7ECA |
Fixed-wing, single engine | Tvpx Ars INC Trustee North Salt Lake, Utah |
Standard | 2019-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N947KC | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2019-01-17 | ValidFAA registration status code V: Valid registration. All codes |
| N946MS | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Mt San Antonio College Walnut, California |
Standard | 2015-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N793L | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Letourneau University Longview, Texas |
Standard | 2014-03-31 | ValidFAA registration status code V: Valid registration. All codes |
| N797L | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Letourneau University Longview, Texas |
Standard | 2014-03-31 | ValidFAA registration status code V: Valid registration. All codes |
| N790L | American Champion Aircraft 7ECA |
Fixed-wing, single engine | Letourneau University Longview, Texas |
Standard | 2011-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N633L | American Champion Aircraft 7ECA |
Fixed-wing, single 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.