The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 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

Cessna 1521,545Piper PA-12 Super Cruiser878Piper PA-22 Tri-Pacer and Colt552Piper PA-38 Tomahawk409Bellanca 7 Citabria318Champion 7 Citabria and Champ311Grumman American Avn. Corp. AA-1 Yankee and Trainer305Piper PA-16 Clipper252American Aviation AA-1198American AA-1165Piper PA-18 Super Cub165Beechcraft 77 Skipper106

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

Kind of aircraft

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

When the aircraft were built by decade

05341,0691,6042,13819301940195019601970198019902000201042020

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 Textron Lycoming Avco Corporation). 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

02479998299300202103109110117

Parts most often reported as the reports name them

Axle6Cylinder4Fork2Spark Plug2Balance Weight1Coil1Pin1Plug1Support1Tube1

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 Textron Lycoming Avco Corporation · 42 models listed · revised December 10, 1988

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
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/lycoming-o-235-series.json · about the eFlight graph.

Aircraft newest certificates first · 6,134

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N41821 Bellanca
7ECA
Fixed-wing, single engine Individual owner
California
Standard 2025-08-15 ValidFAA registration status code V: Valid registration. All codes
N4805Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-08-15 ValidFAA registration status code V: Valid registration. All codes
N1230K Luscombe
8A
Fixed-wing, single engine Individual owner
Texas
Standard 2025-08-14 ValidFAA registration status code V: Valid registration. All codes
N2952M Piper
PA-12
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-08-14 ValidFAA registration status code V: Valid registration. All codes
N801VH Aircraft Mfg & Development Co
CH 2000
Fixed-wing, single engine Individual owner
Texas
Standard 2025-08-14 ValidFAA registration status code V: Valid registration. All codes
N93196 Cessna
152
Fixed-wing, single engine Hp Aero LLC
Scott, Louisiana
Standard 2025-08-14 ValidFAA registration status code V: Valid registration. All codes
N9805U Grumman American Avn. Corp.
AA-1C
Fixed-wing, single engine Individual owner
Texas
Standard 2025-08-14 ValidFAA registration status code V: Valid registration. All codes
N3381M Piper
PA-12
Fixed-wing, single engine Adirondack Legacy Aircraft LLC
Saratoga Springs, New York
Standard 2025-08-13 ValidFAA registration status code V: Valid registration. All codes
N49142 Cessna
152
Fixed-wing, single engine Zion Summit Holdings LLC
Wesley Chapel, Florida
Standard 2025-08-13 ValidFAA registration status code V: Valid registration. All codes
N9232L American Aviation
AA-1A
Fixed-wing, single engine Individual owner
Louisiana
Standard 2025-08-12 ValidFAA registration status code V: Valid registration. All codes
N83829 Christianson
VMK-1
Fixed-wing, single engine Mile High Aviation LLC
Lewes, Delaware
Experimental 2025-08-11 ValidFAA registration status code V: Valid registration. All codes
N152RA Cessna
152
Fixed-wing, single engine Indiana State University
Terre Haute, Indiana
Standard 2025-08-09 ValidFAA registration status code V: Valid registration. All codes
N24472 Cessna
152
Fixed-wing, single engine Individual owner
Virginia
Standard 2025-08-09 ValidFAA registration status code V: Valid registration. All codes
N3052M Piper
PA-12
Fixed-wing, single engine Individual owner
Indiana
Standard 2025-08-09 ValidFAA registration status code V: Valid registration. All codes
N6117M Cessna
152
Fixed-wing, single engine Fayette Hawks Flying Club INC
Somerville, Tennessee
Standard 2025-08-09 ValidFAA registration status code V: Valid registration. All codes
N67507 Cessna
152
Fixed-wing, single engine Wright Aero INC
Saint Cloud, Minnesota
Standard 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N68938 Cessna
152
Fixed-wing, single engine Wingspan 152 LLC
Valparaiso, Indiana
Standard 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N86642 Bellanca
7ECA
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N89114 Cessna
152
Fixed-wing, single engine Drop Table Airplanes LLC
San Anselmo, California
Standard 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N12XZ Cessna
140
Fixed-wing, single engine 140 LLC
Birmingham, Alabama
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N5976L American
AA-1
Fixed-wing, single engine Individual owner
New Mexico
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N6279P Cessna
152
Fixed-wing, single engine Indiana State University
Terre Haute, Indiana
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N99NR Bellanca
7ECA
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N53887 Bellanca
7ECA
Fixed-wing, single engine Individual owner
Michigan
Standard 2025-08-05 ValidFAA registration status code V: Valid registration. All codes
N9299L American Aviation
AA-1A
Fixed-wing, single engine Individual owner
North Carolina
Standard 2025-08-05 ValidFAA registration status code V: Valid registration. All codes
N3807K Beech
77
Fixed-wing, single engine Faucette Micro Systems INC
Fallon, Nevada
Standard 2025-08-04 ValidFAA registration status code V: Valid registration. All codes
N4909Z Piper
PA-22-108
Fixed-wing, single engine Versatile Aviation LLC
Waterford, Michigan
Standard 2025-08-04 ValidFAA registration status code V: Valid registration. All codes
N5146X Champion
7ECA
Fixed-wing, single engine Chart-Airs LLC
West Terre Haute, Indiana
Standard 2025-08-04 ValidFAA registration status code V: Valid registration. All codes
N152HF Cessna
152
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-08-01 ValidFAA registration status code V: Valid registration. All codes
N6304L American Aviation
AA-1A
Fixed-wing, single engine Individual owner
New York
Standard 2025-08-01 ValidFAA registration status code V: Valid registration. All codes
N9738U Grumman American Avn. Corp.
AA-1C
Fixed-wing, single engine Individual owner
California
Standard 2025-07-31 ValidFAA registration status code V: Valid registration. All codes
N25502 Cessna
152
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N285T Piper
PA-18 105
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N5475Z Piper
PA-22-108
Fixed-wing, single engine Raptor Flight LLC
Fort Worth, Texas
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N9644U Grumman American Avn. Corp.
AA-1C
Fixed-wing, single engine Co-owned owner
California
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N8880L Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Individual owner
Oregon
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N91383 Piper
PA-38-112
Fixed-wing, single engine Individual owner
North Carolina
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N63628 Cessna
172P
Fixed-wing, single engine Black Hills Airplanes LLC
Rapid City, South Dakota
Standard 2025-07-28 ValidFAA registration status code V: Valid registration. All codes
N3697M Piper
PA-12
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-07-26 ValidFAA registration status code V: Valid registration. All codes
N2495A Piper
PA-38-112
Fixed-wing, single engine Individual owner
Florida
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N4706Z Piper
PA-22-108
Fixed-wing, single engine Airsmith Aviation LLC
Oshkosh, Wisconsin
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N4817B Cessna
152
Fixed-wing, single engine Priority One Insurance & Investments INC
Hillsboro, North Dakota
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N5067C Bellanca
7ECA
Fixed-wing, single engine Co-owned owner
Washington
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N57627 Bellanca
7ECA
Fixed-wing, single engine Foothill Sport Aviation LLC
Cameron Park, California
Multiple 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N5835Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N8375V Champion
7ECA
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2025-07-22 ValidFAA registration status code V: Valid registration. All codes
N4968Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-07-15 ValidFAA registration status code V: Valid registration. All codes
N5610Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Ohio
Standard 2025-07-15 ValidFAA registration status code V: Valid registration. All codes
N5866H Piper
PA-16
Fixed-wing, single engine Co-owned owner
Washington
Standard 2025-07-15 ValidFAA registration status code V: Valid registration. All codes
N2501Z Bellanca
7ECA
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2025-07-14 ValidFAA registration status code V: Valid registration. All codes
N818T Cessna
152
Fixed-wing, single engine Slipstream Aviation LLC
Carrollton, Georgia
Standard 2025-07-14 ValidFAA registration status code V: Valid registration. All codes
N800TY Cessna
152
Fixed-wing, single engine Avcorp Holdings INC
Jackson, Michigan
Standard 2025-07-12 ValidFAA registration status code V: Valid registration. All codes
N93454 Cessna
152
Fixed-wing, single engine Individual owner
District of Columbia
Standard 2025-07-11 ValidFAA registration status code V: Valid registration. All codes
N2459G Piper
PA-38-112
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-07-10 ValidFAA registration status code V: Valid registration. All codes
N209SA Piper
PA-22-108
Fixed-wing, single engine International Air Services INC Owner Trustee
Carson City, Nevada
Standard 2025-07-09 ValidFAA registration status code V: Valid registration. All codes
N342PT Patton L A/Kirth J J
PATKIRTH PT2
Fixed-wing, single engine Individual owner
Arizona
Experimental 2025-07-09 ValidFAA registration status code V: Valid registration. All codes
N5186Z Piper
PA-22-108
Fixed-wing, single engine Co-owned owner
Florida
Standard 2025-07-07 ValidFAA registration status code V: Valid registration. All codes
N5502C Bellanca
7ECA
Fixed-wing, single engine Individual owner
Kentucky
Standard 2025-07-07 ValidFAA registration status code V: Valid registration. All codes
N76405 Cessna
140
Fixed-wing, single engine Individual owner
Washington
Standard 2025-07-05 ValidFAA registration status code V: Valid registration. All codes
N2500E Piper
PA-38-112
Fixed-wing, single engine Individual owner
Indiana
Standard 2025-07-03 ValidFAA registration status code V: Valid registration. All codes
N4189Y Bellanca
7ECA
Fixed-wing, single engine Individual owner
Texas
Standard 2025-07-03 ValidFAA registration status code V: Valid registration. All codes
N2984M Piper
PA-12
Fixed-wing, single engine Individual owner
Oregon
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N4680Z Piper
PA-22-108
Fixed-wing, single engine Propelling the Gospel Missions INC
Standish, Maine
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N4761L Cessna
152
Fixed-wing, single engine Wings Over Texas Holdings LLC
Denton, Texas
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N5242X Champion
7GCBC
Fixed-wing, single engine Individual owner
Montana
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N5343Z Piper
PA-22-108
Fixed-wing, single engine Golden Age Aeroworks LLC
Lone Rock, Wisconsin
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N9671L Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Individual owner
Maryland
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N9690L Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Individual owner
New York
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N15EL Logsdon
SPORT BIPLANE V-STAR
Fixed-wing, single engine Individual owner
Texas
Experimental 2025-07-01 ValidFAA registration status code V: Valid registration. All codes
N4717B Cessna
152
Fixed-wing, single engine Coastal Flight INC
Tierra Verde, Florida
Standard 2025-06-27 ValidFAA registration status code V: Valid registration. All codes
N5080Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Nebraska
Standard 2025-06-26 ValidFAA registration status code V: Valid registration. All codes
N5106B Cessna
152
Fixed-wing, single engine Co-owned owner
Kansas
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N5590Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
South Carolina
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N814GP Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N2638M Piper
PA-12
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-06-23 ValidFAA registration status code V: Valid registration. All codes
N33GS Cessna
152
Fixed-wing, single engine Fish N Fly LLC
Hobe Sound, Florida
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N5148T Champion
7ECA
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N9629S Champion
7ECA
Fixed-wing, single engine Individual owner
South Dakota
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N982G Champion
7ECA
Fixed-wing, single engine Individual owner
Indiana
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N4713B Cessna
152
Fixed-wing, single engine Individual owner
Minnesota
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N5187Z Piper
PA-22-108
Fixed-wing, single engine Individual owner
Kentucky
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N8991L Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Sky Clock LLC
Mesa, Arizona
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N177CT Grumman American Avn. Corp.
AA-1C
Fixed-wing, single engine Individual owner
Florida
Standard 2025-06-17 ValidFAA registration status code V: Valid registration. All codes
N25922 Cessna
152
Fixed-wing, single engine Individual owner
North Carolina
Standard 2025-06-17 ValidFAA registration status code V: Valid registration. All codes
N68812 Cessna
152
Fixed-wing, single engine Avcorp Holdings INC
Jackson, Michigan
Standard 2025-06-17 ValidFAA registration status code V: Valid registration. All codes
N757MP Cessna
152
Fixed-wing, single engine Avcorp Holdings INC
Jackson, Michigan
Standard 2025-06-17 ValidFAA registration status code V: Valid registration. All codes
N94891 Cessna
152
Fixed-wing, single engine Avcorp Holdings INC
Jackson, Michigan
Standard 2025-06-17 ValidFAA registration status code V: Valid registration. All codes
N2503V Piper
PA-38-112
Fixed-wing, single engine Alpha Aviation Holdings Group LLC
Raleigh, North Carolina
Standard 2025-06-16 ValidFAA registration status code V: Valid registration. All codes
N4922B Cessna
152
Fixed-wing, single engine Avcorp Holdings INC
Jackson, Michigan
Standard 2025-06-16 ValidFAA registration status code V: Valid registration. All codes
N2378M Piper
PA-12
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-06-13 ValidFAA registration status code V: Valid registration. All codes
N31281 Bellanca
7ECA
Fixed-wing, single engine Citabria 1972 LLC
Soldotna, Alaska
Standard 2025-06-13 ValidFAA registration status code V: Valid registration. All codes
N3898M Piper
PA-12
Fixed-wing, single engine Costa Air Service LLC
Painted Post, New York
Standard 2025-06-12 ValidFAA registration status code V: Valid registration. All codes
N9697L Grumman American Avn. Corp.
AA-1B
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-06-12 ValidFAA registration status code V: Valid registration. All codes
N19BT Thibodaux
BREEZY
Fixed-wing, single engine Co-owned owner
Florida
Experimental 2025-06-10 ValidFAA registration status code V: Valid registration. All codes
N9925U Grumman American Avn. Corp.
AA-1C
Fixed-wing, single engine Individual owner
California
Standard 2025-06-10 ValidFAA registration status code V: Valid registration. All codes
N2650Z Bellanca
7ECA
Fixed-wing, single engine Individual owner
Ohio
Standard 2025-06-09 ValidFAA registration status code V: Valid registration. All codes
N38462 Beech
77
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-06-09 ValidFAA registration status code V: Valid registration. All codes
N7964H Piper
PA-12
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-06-09 ValidFAA registration status code V: Valid registration. All codes
N9182A Piper
PA-38-112
Fixed-wing, single engine Alpha Aviation Holdings Group LLC
Raleigh, North Carolina
Standard 2025-06-09 ValidFAA registration status code V: Valid registration. All codes
N6135Q Cessna
152
Fixed-wing, single engine Lake Effect Aviation LLC
Java Center, New York
Standard 2025-06-06 ValidFAA registration status code V: Valid registration. All codes
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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.