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

Lycoming O235N2C

18 aircraft on the U.S. register carry a Lycoming O235N2C engine, rated at about 120 horsepower. The Cessna 152 is the model most often fitted with it (4 aircraft). The aircraft carrying it were built between 1982 and 2024.

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 O235N2C. FAA spelling: O235N2C.

Fitted to model families

Cessna 1524Aircraft Mfg & Development Co CH 20002Charles Lee Smith ZODIAC STOL CH 7501Doug A Dugger CH 750 CRUZER1Frank W Wright SERIES 6 SKYSTAR KIT1Heininger Gary H ZODIAC 601XLB1Jack E Krips Jr RUTAN VARIEZE1John Ragozzino VANS RV-91Jud Robert W JUD-ZODIAC 601XL1Kleve Roger A KLEVE KUB1Mike Zemsta RV 9A1Renegade Light Sport Llc FALCON LS VS 2.01

Cessna 152 · Aircraft Mfg & Development Co CH 2000 · Charles Lee Smith ZODIAC STOL CH 750 · Doug A Dugger CH 750 CRUZER · Frank W Wright SERIES 6 SKYSTAR KIT · Heininger Gary H ZODIAC 601XLB · Jack E Krips Jr RUTAN VARIEZE · John Ragozzino VANS RV-9 · Jud Robert W JUD-ZODIAC 601XL · Kleve Roger A KLEVE KUB

Where they are owner's state

Florida4Pennsylvania2Arizona2Arkansas2Texas1Oklahoma1New Jersey1North Carolina1Michigan1Connecticut1

Kind of aircraft

Piston singles18 (100%)

When the aircraft were built by decade

0245741980420007201012020

What the FAA has certified, ordered and been told about the Lycoming O235N2C 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 55 failure reports with the FAA since 1995, 3 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
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2012-03-272012-03-07 · Carburetor · engine
2004-06-252004-10-14 · Crankshaft gear · engine

All orders naming the Lycoming O235N2C

Failure reports 55 since · what operators and shops told the FAA

02581095020819126

Parts most often reported as the reports name them

Plug7Cylinder6Magneto5Piston4Piston Pin3Cap2Engine2Float2Oil Cooler2Spar2

Latest reports

2026-01-28Ignition Lead: damaged
2023-09-12Unknown: unknown
2019-01-12Piston: damaged
2013-09-20Magneto: defective
2013-09-18Button: broken

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-o235n2c.json · about the eFlight graph.

Aircraft newest certificates first · 18

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N526GH Heininger Gary H
ZODIAC 601XLB
Fixed-wing, single engine Individual owner
New Jersey
Experimental 2026-09-30 ValidFAA registration status code V: Valid registration. All codes
N94500 Cessna
152
Fixed-wing, single engine Training Planes LLC
Tampa, Florida
Standard 2026-09-26 ValidFAA registration status code V: Valid registration. All codes
N95391 Cessna
152
Fixed-wing, single engine Training Planes LLC
Tampa, Florida
Standard 2026-09-23 ValidFAA registration status code V: Valid registration. All codes
N750DA Doug A Dugger
CH 750 CRUZER
Fixed-wing, single engine Co-owned owner
California
Experimental 2025-11-22 ValidFAA registration status code V: Valid registration. All codes
N605PF Aircraft Mfg & Development Co
CH 2000
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N1899A Charles Lee Smith
ZODIAC STOL CH 750
Fixed-wing, single engine Individual owner
Oklahoma
Experimental 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N4810W Frank W Wright
SERIES 6 SKYSTAR KIT
Fixed-wing, single engine Individual owner
Arkansas
Experimental 2021-05-21 ValidFAA registration status code V: Valid registration. All codes
N902AL Steven Freeman
ZODIAC CH650
Fixed-wing, single engine By Tor Aviation LLC
Phoenix, Arizona
Experimental 2019-11-14 ValidFAA registration status code V: Valid registration. All codes
N314MZ Mike Zemsta
RV 9A
Fixed-wing, single engine Individual owner
Connecticut
Experimental 2018-07-16 ValidFAA registration status code V: Valid registration. All codes
N5400U John Ragozzino
VANS RV-9
Fixed-wing, single engine Individual owner
Arizona
Experimental 2018-05-01 ValidFAA registration status code V: Valid registration. All codes
N823JR Jud Robert W
JUD-ZODIAC 601XL
Fixed-wing, single engine Individual owner
Michigan
Experimental 2018-01-24 ValidFAA registration status code V: Valid registration. All codes
N335RK Kleve Roger A
KLEVE KUB
Fixed-wing, single engine Individual owner
Colorado
Experimental 2014-10-21 ValidFAA registration status code V: Valid registration. All codes
N94194 Cessna
152
Fixed-wing, single engine Power Flow Systems INC
Daytona Beach, Florida
Experimental 2014-08-12 ValidFAA registration status code V: Valid registration. All codes
N152BU Cessna
152
Fixed-wing, single engine Green Airport Development CORP
Kemah, Texas
Standard 2014-07-18 ValidFAA registration status code V: Valid registration. All codes
N956JK Jack E Krips Jr
RUTAN VARIEZE
Fixed-wing, single engine Individual owner
Florida
Experimental 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N668AM Aircraft Mfg & Development Co
CH 2000
Fixed-wing, single engine Center Line Aviation Limited
Brookville, Pennsylvania
Standard 2010-06-24 ValidFAA registration status code V: Valid registration. All codes
N601TM Zenith Acft Co
ZODIAC 601 XL
Fixed-wing, single engine Individual owner
North Carolina
Experimental 2005-09-22 ValidFAA registration status code V: Valid registration. All codes
N988RL Renegade Light Sport Llc
FALCON LS VS 2.0
Fixed-wing, single engine Individual owner
Arkansas
Light sport 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.