Engines · piston (reciprocating) · data as of October 8, 2026

Lycoming O-235 series

6,134 aircraft on the U.S. register carry a Lycoming O-235 series engine, rated at about 115 horsepower. The Cessna 152 is the model most often fitted with it (1,545 aircraft). The aircraft carrying it were built between 1945 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 series. FAA spelling: 0-235 SERIES.

Fitted to model families

Model families, as a table

	aircraft
Cessna 152	1,545
Piper PA-12 Super Cruiser	878
Piper PA-22 Tri-Pacer and Colt	552
Piper PA-38 Tomahawk	409
Bellanca 7 Citabria	318
Champion 7 Citabria and Champ	311
Grumman American Avn. Corp. AA-1 Yankee and Trainer	305
Piper PA-16 Clipper	252
American Aviation AA-1	198
American AA-1	165
Piper PA-18 Super Cub	165
Beechcraft 77 Skipper	106

Cessna 152 · Piper PA-12 Super Cruiser · Piper PA-22 Tri-Pacer and Colt · Piper PA-38 Tomahawk · Bellanca 7 Citabria · Champion 7 Citabria and Champ · Grumman American Avn. Corp. AA-1 Yankee and Trainer · Piper PA-16 Clipper · American Aviation AA-1 · American AA-1

Where they are owner's state

Texas571California547Florida484Alaska383Washington217Minnesota186North Carolina185Michigan180Oregon179New York166

By state, as a table

	aircraft
Texas	571
California	547
Florida	484
Alaska	383
Washington	217
Minnesota	186
North Carolina	185
Michigan	180
Oregon	179
New York	166

Kind of aircraft

Piston singles6,132 (100%)Helicopters1 (0.0%)Gliders1 (0.0%)

By kind, as a table

	aircraft	share
Piston singles	6,132	100%
Helicopters	1	0.0%
Gliders	1	0.0%

When the aircraft were built by decade

By decade built, as a table

	aircraft
1930	4
1940	1,107
1950	157
1960	759
1970	2,138
1980	668
1990	159
2000	72
2010	16
2020	4

What the FAA has certified, ordered and been told about the Lycoming O-235 series the component layer

The design is held under 1 type certificate (E-223, held by Lycoming Engines). The FAA has issued 13 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 20 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 13 airworthiness directives · newest first

2026-09-142026-17-10 · Reciprocating Engine Cylinder Section · engine

2026-04-082026-04-11 · Engine (Reciprocating) · engine

2024-12-052024-21-02 · Engine (Reciprocating) · engine

2022-08-152022-16-03 · Engine (RECIPROCATING) · engine

2012-03-272012-03-07 · Carburetor · engine

2004-06-252004-10-14 · Crankshaft gear · engine

All orders naming the Lycoming O-235 series

Failure reports 20 since · what operators and shops told the FAA

Failure reports by year, as a table

	reports
98	9
99	2
00	3
02	2
03	1
09	1
10	1
17	1

Parts most often reported as the reports name them

Axle6Cylinder4Fork2Spark Plug2Balance Weight1Coil1Pin1Plug1Support1Tube1

Parts most reported, as a table

	reports
Axle	6
Cylinder	4
Fork	2
Spark Plug	2
Balance Weight	1
Coil	1
Pin	1
Plug	1
Support	1
Tube	1

Latest reports

2017-07-03Coil: failed

2010-02-12Support: misinstalled

2009-05-24Spark Plug: broken

2003-12-05Spark Plug: worn

2002-11-21Cylinder: cracked

Certificates and bulletins

E-223Type certificate held by Lycoming Engines · 43 models listed · revised January 31, 2020

Safety bulletins 4 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders

2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs

2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft

2005-09-30NE-05-89 ·

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

Cessna 152 1,545 with this engine series
Piper PA-12 Super Cruiser 878 with this engine series
Piper PA-22 Tri-Pacer and Colt 552 with this engine series
Piper PA-38 Tomahawk 409 with this engine series
Bellanca 7 Citabria 318 with this engine series
Champion 7 Citabria and Champ 311 with this engine series
Grumman American Avn. Corp. AA-1 Yankee and Trainer 305 with this engine series
Piper PA-16 Clipper 252 with this engine series

Where they are

Texas 571 of these aircraft
California 547 of these aircraft
Florida 484 of these aircraft
Alaska 383 of these aircraft
Washington 217 of these aircraft

Biggest operators

Wings Over Texas Holdings LLC 52 of these aircraft
Hillsboro Aero Academy LLC 42 of these aircraft
Sunrise Aviation INC 36 of these aircraft
Piper Aircraft INC 16 of these aircraft
Pea-Wayman Flight LLC 14 of these aircraft

Airworthiness

FAA orders naming the Lycoming O-235 series 13 airworthiness directives
Failure reports on the Lycoming O-235 series 20 reports since 1995

Analytics

The whole map of how records connect · these connections as data: /graph/engine/lycoming-o-235-series.json.

Aircraft newest certificates first · 6,134

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N6638L	Beech 77	Fixed-wing, single engine	Individual owner North Carolina	Standard	2019-07-30	Valid
N1808G	Champion 7ECA	Fixed-wing, single engine	Individual owner Washington	Standard	2019-07-29	Valid
N5170T	Champion 7ECA	Fixed-wing, single engine	Hardison Aviation LLC Hampton, South Carolina	Standard	2019-07-26	Valid
N1818G	Champion 7ECA	Fixed-wing, single engine	Pine Wind Aviation LLC San Francisco, California	Standard	2019-07-25	Valid
N3190M	Piper PA-12	Fixed-wing, single engine	Individual owner Georgia	Standard	2019-07-23	Valid
N5586Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner Texas	Standard	2019-07-19	Valid
N5834H	Piper PA-16	Fixed-wing, single engine	Pierce Gilbert H Germantown, Tennessee	Standard	2019-07-18	Valid
N148BS	Aircraft Mfg & Development Co CH 2000	Fixed-wing, single engine	Co-owned owner Georgia	Standard	2019-07-17	Valid
N93082	Cessna 152	Fixed-wing, single engine	Individual owner Washington	Standard	2019-07-17	Valid
N98985	Piper PA-12	Fixed-wing, single engine	Co-owned owner Texas	Standard	2019-07-17	Valid
N3816M	Piper PA-12	Fixed-wing, single engine	Individual owner Iowa	Standard	2019-07-16	Valid
N4799A	Cessna A152	Fixed-wing, single engine	New England Aircraft Detailing LLC Webster, Massachusetts	Standard	2019-07-15	Valid
N333NE	Cessna A152	Fixed-wing, single engine	Individual owner Florida	Standard	2019-07-11	Valid
N93434	Cessna 152	Fixed-wing, single engine	Silver Express CO DBA Miami, Florida	Standard	2019-07-11	Valid
N25604	Cessna 152	Fixed-wing, single engine	Aerospace Trust Management LLC Trustee Wilmington, Delaware	Standard	2019-07-10	Valid
N2708M	Piper PA-12	Fixed-wing, single engine	Individual owner California	Standard	2019-07-09	Valid
N4994Z	Piper PA-22-108	Fixed-wing, single engine	Aom Aircraft LLC Wilmington, Delaware	Standard	2019-07-09	Valid
N68934	Cessna 152	Fixed-wing, single engine	Individual owner Ohio	Standard	2019-07-09	Valid
N5379Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner Florida	Standard	2019-07-05	Valid
N39BR	Russell Robert H ACRO SPORT	Fixed-wing, single engine	Systems Research CORP Wilmington, Delaware	Experimental	2019-07-02	Valid
N4962L	Cessna 152	Fixed-wing, single engine	Individual owner California	Standard	2019-07-02	Valid
N6315L	American Aviation AA-1A	Fixed-wing, single engine	Fletch Air INC Comfort, Texas	Standard	2019-06-27	Valid
N724MS	Champion 7ECA	Fixed-wing, single engine	Individual owner Oregon	Standard	2019-06-26	Valid
N99BL	Bothwell Vernon STOLP STARLET	Fixed-wing, single engine	Individual owner Indiana	Experimental	2019-06-26	Valid
N6485H	Cessna 152	Fixed-wing, single engine	Individual owner New York	Standard	2019-06-25	Valid
N6638W	Piper PA-28-140	Fixed-wing, single engine	Co-owned owner Oklahoma	Standard	2019-06-21	Valid
N6377B	Cessna 152	Fixed-wing, single engine	Individual owner Connecticut	Standard	2019-06-20	Valid
N25469	Cessna 152	Fixed-wing, single engine	Silver Express CO DBA Miami, Florida	Standard	2019-06-18	Valid
N49423	Cessna 152	Fixed-wing, single engine	Individual owner Idaho	Standard	2019-06-18	Valid
N7708H	Piper PA-12	Fixed-wing, single engine	Individual owner Washington	Standard	2019-06-18	Valid
N55AM	Champion 7ECA	Fixed-wing, single engine	Individual owner Florida	Standard	2019-06-17	Valid
N5721L	American AA-1	Fixed-wing, single engine	Individual owner New Jersey	Standard	2019-06-17	Valid
N224XP	Richardson Calvin R ZENITH 601 XL	Fixed-wing, single engine	Individual owner Montana	Experimental	2019-06-14	Valid
N92547	Piper PA-12	Fixed-wing, single engine	Co-owned owner Georgia	Standard	2019-06-14	Valid
N1633G	Champion 7ECA	Fixed-wing, single engine	Individual owner Illinois	Standard	2019-06-13	Valid
N230T	Piper PA-18-105 SPECIAL	Fixed-wing, single engine	Hague Creek Aviation LLC Phoenix, Arizona	Standard	2019-06-13	Valid
N47FS	Piper PA-11	Fixed-wing, single engine	Individual owner Montana	Standard	2019-06-12	Valid
N65563	Cessna 152	Fixed-wing, single engine	Darcy Aviation LLC Danbury, Connecticut	Standard	2019-06-12	Valid
N98900	Piper PA-12	Fixed-wing, single engine	Co-owned owner Alaska	Standard	2019-06-12	Valid
N3881M	Piper PA-12	Fixed-wing, single engine	Individual owner Minnesota	Standard	2019-06-10	Valid
N5917Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner New York	Standard	2019-06-10	Valid
N66970	Cessna 152	Fixed-wing, single engine	California Airways LLC Hayward, California	Standard	2019-06-10	Valid
N757BV	Cessna 152	Fixed-wing, single engine	Individual owner Maryland	Standard	2019-06-10	Valid
N3098M	Piper PA-12	Fixed-wing, single engine	Individual owner Florida	Standard	2019-06-05	Valid
N5387Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner California	Standard	2019-06-04	Valid
N530CA	Cessna 152	Fixed-wing, single engine	Cavalair LLC San Francisco, California	Standard	2019-06-03	Valid
N3229M	Piper PA-12	Fixed-wing, single engine	Individual owner Alaska	Standard	2019-05-30	Valid
N7915H	Piper PA-12	Fixed-wing, single engine	Hanna Bay Holdings LLC Hayward, Wisconsin	Standard	2019-05-29	Valid
N4942H	Cessna 152	Fixed-wing, single engine	Florida Flyers Flight Academy INC Saint Augustine, Florida	Standard	2019-05-24	Valid
N2802M	Piper PA-28-161	Fixed-wing, single engine	Skyone Aero Services LLC Castro Valley, California	Standard	2019-05-22	Valid
N7278K	Piper PA-18	Fixed-wing, single engine	Individual owner Washington	Standard	2019-05-21	Valid
N152BJ	Cessna 152	Fixed-wing, single engine	Missionaire LLC Kennedy, New York	Standard	2019-05-20	Valid
N2589B	Piper PA-38-112	Fixed-wing, single engine	Individual owner Georgia	Standard	2019-05-17	Valid
N5105Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner Michigan	Standard	2019-05-15	Valid
N4305M	Piper PA-12	Fixed-wing, single engine	Individual owner Michigan	Standard	2019-05-14	Valid
N4973M	Piper PA-11	Fixed-wing, single engine	Individual owner Alaska	Multiple	2019-05-14	Valid
N4340M	Piper PA-12	Fixed-wing, single engine	Co-owned owner Texas	Standard	2019-05-13	Valid
N5026K	Bellanca 7ECA	Fixed-wing, single engine	Co-owned owner Washington	Standard	2019-05-13	Valid
N7245K	Piper PA-18	Fixed-wing, single engine	Co-owned owner South Dakota	Multiple	2019-05-10	Valid
N6308N	Champion 7ECA	Fixed-wing, single engine	J Squared Enterprises CORP Hendersonville, Tennessee	Standard	2019-05-08	Valid
N89310	Cessna 152	Fixed-wing, single engine	Individual owner Oregon	Standard	2019-05-07	Valid
N2880M	Piper PA-12	Fixed-wing, single engine	Individual owner Alaska	Standard	2019-05-01	Valid
N381AV	Piper PA-38-112	Fixed-wing, single engine	Individual owner Minnesota	Standard	2019-05-01	Valid
N3439M	Piper PA-12	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2019-04-26	Valid
N1669G	Champion 7ECA	Fixed-wing, single engine	Individual owner Washington	Standard	2019-04-25	Valid
N46249	Cessna 152	Fixed-wing, single engine	Hyldburg Aviation INC Plymouth, Massachusetts	Standard	2019-04-24	Valid
N88038	Piper J3C-65	Fixed-wing, single engine	Individual owner Louisiana	Standard	2019-04-23	Valid
N5799L	American AA-1	Fixed-wing, single engine	Individual owner Alaska	Standard	2019-04-22	Valid
N2694M	Piper PA-12	Fixed-wing, single engine	Individual owner Maine	Standard	2019-04-18	Valid
N68211	Cessna 152	Fixed-wing, single engine	American Aviation INC Brooksville, Florida	Standard	2019-04-18	Valid
N14470	Liberti Frank R TAILWIND W-8	Fixed-wing, single engine	Individual owner Oklahoma	Experimental	2019-04-17	Valid
N4603Z	Piper PA-22-108	Fixed-wing, single engine	N4603Z Colt Flyers LLC Kenmore, Washington	Standard	2019-04-17	Valid
N4773L	Cessna 152	Fixed-wing, single engine	Silver Express CO DBA Miami, Florida	Standard	2019-04-17	Valid
N5111X	Champion 7ECA	Fixed-wing, single engine	Individual owner Texas	Standard	2019-04-09	Valid
N3650M	Piper PA-12	Fixed-wing, single engine	Co-owned owner Wyoming	Standard	2019-04-03	Valid
N68789	Cessna 152	Fixed-wing, single engine	Individual owner Washington	Standard	2019-04-02	Valid
N240AC	American Champion Aircraft 7ECA	Fixed-wing, single engine	Letourneau University Longview, Texas	Standard	2019-03-30	Valid
N5142Z	Piper PA-22-108	Fixed-wing, single engine	Co-owned owner Montana	Standard	2019-03-30	Valid
N52920	Piper J5C	Fixed-wing, single engine	Individual owner Washington	Standard	2019-03-30	Valid
N5321Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner Texas	Standard	2019-03-29	Valid
N9660S	Champion 7ECA	Fixed-wing, single engine	Individual owner Ohio	Standard	2019-03-27	Valid
N8646V	Bellanca 7ECA	Fixed-wing, single engine	Individual owner Alaska	Standard	2019-03-26	Valid
N5155Z	Piper PA-22-108	Fixed-wing, single engine	Individual owner Alabama	Standard	2019-03-25	Valid
N5738H	Piper PA-16	Fixed-wing, single engine	Co-owned owner Florida	Standard	2019-03-23	Valid
N757BW	Cessna 152	Fixed-wing, single engine	K2 Sales LLC Idaho Falls, Idaho	Standard	2019-03-21	Valid
N2330M	Piper PA-12	Fixed-wing, single engine	Individual owner Minnesota	Standard	2019-03-20	Valid
N8662V	Bellanca 7ECA	Fixed-wing, single engine	Co-owned owner California	Standard	2019-03-19	Valid
N48918	Cessna 152	Fixed-wing, single engine	Aero Fliers LLC Kalispell, Montana	Standard	2019-03-18	Valid
N524HF	Cessna 152	Fixed-wing, single engine	Ba Group LLC Glastonbury, Connecticut	Standard	2019-03-18	Valid
N6867K	Piper PA-16	Fixed-wing, single engine	Individual owner Kansas	Standard	2019-03-18	Valid
N553H	American Aviation AA-1A	Fixed-wing, single engine	Individual owner Georgia	Standard	2019-03-16	Valid
N5962Z	Piper PA-22-108	Fixed-wing, single engine	Jet Mic LLC Blossom, Texas	Standard	2019-03-16	Valid
N7580K	Piper PA-18-105 SPECIAL	Fixed-wing, single engine	Crop Care By Air INC Lantry, South Dakota	Multiple	2019-03-14	Valid
N4729Z	Piper PA-22-108	Fixed-wing, single engine	Sublogic CORP Urbana, Illinois	Standard	2019-03-13	Valid
N947SF	Cessna 152	Fixed-wing, single engine	Snohomish Flying Service INC Snohomish, Washington	Standard	2019-03-11	Valid
N48836	Cessna 152	Fixed-wing, single engine	Messenger Air LTD Madrid, Iowa	Standard	2019-03-06	Valid
N5378B	Cessna 152	Fixed-wing, single engine	Co-owned owner Texas	Standard	2019-03-06	Valid
N5680L	American AA-1	Fixed-wing, single engine	Individual owner California	Standard	2019-03-06	Valid
N68527	Bellanca 7ECA	Fixed-wing, single engine	Individual owner Florida	Standard	2019-03-06	Valid
N7513F	Champion 7ECA	Fixed-wing, single engine	Individual owner Tennessee	Standard	2019-03-06	Valid

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.