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

Lycoming IO-360-C1A

7 aircraft on the U.S. register carry a Lycoming IO-360-C1A engine, rated at about 200 horsepower. The Enstrom F-28 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1973 and 2012.

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 IO-360-C1A. FAA spelling: IO-360-C1A.

Fitted to model families

Enstrom F-281Ingram Joe K GLASAIR SH-2R1Oneil William Jerome ONEIL BERKUT 3601Partenavia Spa P.68C1Poelking Theodore BERKUT1Schweizer 269 300 series helicopters1Woodley James V Jr GLASAIR SUPR II S-RG1

Enstrom F-28 · Ingram Joe K GLASAIR SH-2R · Oneil William Jerome ONEIL BERKUT 360 · Partenavia Spa P.68C · Poelking Theodore BERKUT · Schweizer 269 300 series helicopters · Woodley James V Jr GLASAIR SUPR II S-RG

Where they are owner's state

Washington1Pennsylvania1Ohio1North Carolina1Georgia1Alaska1AE1

Kind of aircraft

Piston singles4 (57%)Helicopters2 (29%)Piston twins1 (14%)

When the aircraft were built by decade

001221197021980119902200012010

What the FAA has certified, ordered and been told about the Lycoming IO-360-C1A the component layer

The design is held under 1 type certificate (1E10, held by Lycoming Engines). The FAA has issued 35 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 2 failure reports with the FAA since 1995, 2 of them in the last ten years.

FAA orders 35 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
2012-01-252011-26-04 · Externally mounted fuel injector fuel lines · engine

All orders naming the Lycoming IO-360-C1A

Failure reports 2 since · what operators and shops told the FAA

00011195102

Parts most often reported as the reports name them

Distributor Gear1Engine1

Latest reports

2002-10-01Engine: malfunctioned
1995-01-30Distributor Gear: teeth failed

Certificates and bulletins

1E10Type certificate held by Lycoming Engines · 89 models listed · revised May 4, 2020

Safety bulletins 6 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
2016-05-13NE-08-32R1 · Propeller Governor Idler Gear Shaft Set Screw
2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs
2012-11-21NE-13-06 · Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320,...
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
Airworthiness

These connections as data: /graph/engine/lycoming-io-360-c1a.json · about the eFlight graph.

Aircraft newest certificates first · 7

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N205SL Schweizer
269C-1
Rotorcraft Individual owner
Pennsylvania
Standard 2024-11-25 ValidFAA registration status code V: Valid registration. All codes
N9590 Enstrom
F-28A
Rotorcraft Stone Heli LLC
Carrollton, Georgia
Standard 2023-02-24 ValidFAA registration status code V: Valid registration. All codes
N360BK Poelking Theodore
BERKUT
Fixed-wing, single engine Berkut Environmental Consulting LLC
Raleigh, North Carolina
Experimental 2011-02-18 ValidFAA registration status code V: Valid registration. All codes
N240SG Ingram Joe K
GLASAIR SH-2R
Fixed-wing, single engine Individual owner
AE
Experimental 2008-09-25 ValidFAA registration status code V: Valid registration. All codes
N204BL Oneil William Jerome
ONEIL BERKUT 360
Fixed-wing, single engine Individual owner
Washington
Experimental 2008-01-07 ValidFAA registration status code V: Valid registration. All codes
N816WL Woodley James V Jr
GLASAIR SUPR II S-RG
Fixed-wing, single engine Co-owned owner
Alaska
Experimental 2004-10-29 ValidFAA registration status code V: Valid registration. All codes
N480NR Partenavia Spa
P.68C
Fixed-wing, multi-engine Ohio Division of Wildlife
Columbus, Ohio
Standard 1999-02-18 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.