The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Lycoming O-235-C1B

20 aircraft on the U.S. register carry a Lycoming O-235-C1B engine, rated at about 115 horsepower. The Piper PA-22 Tri-Pacer and Colt is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1947 and 2020.

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-C1B. FAA spelling: O-235-C1B.

Fitted to model families

Piper PA-22 Tri-Pacer and Colt3Berry Jerry L ANDERSON KINGFISHER1Brown Tony CORBEN JUNIOR ACE E1C W Bingham / Rod H Church ZENITH STOL CH7501Clingan Wallace E TR-21Cramer Todd/Alsterlind Stephen CRAMER/ALSTERLIND L21Curcio Matthew L AVENTURA II1Dowrick Charles LIGHT SPORT1Larry W Mullenax STOL CH7501Nagele Larry L VARIEZE1Peter Miller/Dallas Harding Jr CH750 CRUZER1Piper PA-11 Cub Special1

Piper PA-22 Tri-Pacer and Colt · Berry Jerry L ANDERSON KINGFISHER · Brown Tony CORBEN JUNIOR ACE E · C W Bingham / Rod H Church ZENITH STOL CH750 · Clingan Wallace E TR-2 · Cramer Todd/Alsterlind Stephen CRAMER/ALSTERLIND L2 · Curcio Matthew L AVENTURA II · Dowrick Charles LIGHT SPORT · Larry W Mullenax STOL CH750 · Nagele Larry L VARIEZE

Where they are owner's state

Oregon3California2Washington1Vermont1Texas1South Dakota1Oklahoma1New Mexico1North Carolina1Missouri1

Kind of aircraft

Piston singles20 (100%)

When the aircraft were built by decade

02457119403196011990520007201022020

What the FAA has certified, ordered and been told about the Lycoming O-235-C1B the component layer

The design is held under 1 type certificate (E-223, held by Lycoming Engines). The FAA has issued 12 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 5 failure reports with the FAA since 1995, 2 of them in the last ten years.

FAA orders 12 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
2012-03-272012-03-07 · Carburetor · engine
2004-06-252004-10-14 · Crankshaft gear · engine
1996-07-1596-09-10 · Oil pump · engine

All orders naming the Lycoming O-235-C1B

Failure reports 5 since · what operators and shops told the FAA

00011195197100110115

Parts most often reported as the reports name them

Battery1Carburetor1Cylinder1Seat Belt1Torque Box1

Latest reports

2015-05-08Battery: mismanufactured
2010-04-09Cylinder: corroded
2000-10-02Torque Box: cracked
1997-01-22Seat Belt: wrong part
1995-05-09Carburetor: clogged

Certificates and bulletins

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

Safety bulletins 3 · 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

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-c1b.json · about the eFlight graph.

Aircraft newest certificates first · 20

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N76LN Nagele Larry L
VARIEZE
Fixed-wing, single engine Hillsboro Aero Academy LLC
Hillsboro, Oregon
Experimental 2026-07-29 ValidFAA registration status code V: Valid registration. All codes
N419GC Curcio Matthew L
AVENTURA II
Fixed-wing, single engine Individual owner
North Carolina
Experimental 2025-01-08 ValidFAA registration status code V: Valid registration. All codes
N380KP Piper
PA-11
Fixed-wing, single engine Individual owner
South Dakota
Standard 2024-12-12 ValidFAA registration status code V: Valid registration. All codes
N993GW S M F Builders
P100
Fixed-wing, single engine Sol Aviation LLC
Salem, Oregon
Experimental 2024-08-24 ValidFAA registration status code V: Valid registration. All codes
N4542Z Piper
PA-22-108
Fixed-wing, single engine Co-owned owner
Florida
Standard 2024-07-08 ValidFAA registration status code V: Valid registration. All codes
N401CD Dowrick Charles
LIGHT SPORT
Fixed-wing, single engine Individual owner
Idaho
Experimental 2024-03-12 ValidFAA registration status code V: Valid registration. All codes
N750FY C W Bingham / Rod H Church
ZENITH STOL CH750
Fixed-wing, single engine Co-owned owner
Oregon
Experimental 2022-04-21 ValidFAA registration status code V: Valid registration. All codes
N215BW Clingan Wallace E
TR-2
Fixed-wing, single engine Individual owner
Indiana
Experimental 2022-03-07 ValidFAA registration status code V: Valid registration. All codes
N750XA Peter Miller/Dallas Harding Jr
CH750 CRUZER
Fixed-wing, single engine Individual owner
Vermont
Experimental 2021-04-09 ValidFAA registration status code V: Valid registration. All codes
N53LC Cramer Todd/Alsterlind Stephen
CRAMER/ALSTERLIND L2
Fixed-wing, single engine Individual owner
Arizona
Experimental 2020-02-10 ValidFAA registration status code V: Valid registration. All codes
N40940 Brown Tony
CORBEN JUNIOR ACE E
Fixed-wing, single engine Individual owner
Texas
Experimental 2019-10-11 ValidFAA registration status code V: Valid registration. All codes
N440JD Larry W Mullenax
STOL CH750
Fixed-wing, single engine Individual owner
New Mexico
Experimental 2018-09-28 ValidFAA registration status code V: Valid registration. All codes
N214NL Richard G Lescher
REVOLUTION II
Fixed-wing, single engine Individual owner
Washington
Experimental 2017-06-20 ValidFAA registration status code V: Valid registration. All codes
N751MD Vaughn Billy D
STOL CH 750
Fixed-wing, single engine Individual owner
Oklahoma
Experimental 2014-10-23 ValidFAA registration status code V: Valid registration. All codes
N601VL Vavra Roger L
ZODIAC 601XL
Fixed-wing, single engine Co-owned owner
Iowa
Experimental 2014-07-07 ValidFAA registration status code V: Valid registration. All codes
N20VS Stukey Virgil D
CORBIN JR ACE
Fixed-wing, single engine Ace Aircraft CO INC
Toccoa, Georgia
Experimental 2013-07-22 ValidFAA registration status code V: Valid registration. All codes
N194JB Berry Jerry L
ANDERSON KINGFISHER
Fixed-wing, single engine Individual owner
California
Experimental 2011-07-27 ValidFAA registration status code V: Valid registration. All codes
N87VK Piper
PA-22-108
Fixed-wing, single engine Individual owner
Standard 2009-07-29 ValidFAA registration status code V: Valid registration. All codes
N5472Z Piper
PA-22-108
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2008-10-16 ValidFAA registration status code V: Valid registration. All codes
N374BW Wiltse Bruce M
WAG-A-BOND TRAVELER
Fixed-wing, single engine Individual owner
California
Experimental 2007-06-07 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.