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

Lycoming IO-360-F1A

3 aircraft on the U.S. register carry a Lycoming IO-360-F1A engine, rated at about 180 horsepower. The Enstrom F-28 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1988 and 2009.

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-F1A. FAA spelling: IO-360-F1A.

Fitted to model families

Enstrom F-282Enstrom 280 Shark1

Enstrom F-28 · Enstrom 280 Shark

Where they are owner's state

Wisconsin1Texas1New Hampshire1

Kind of aircraft

Helicopters3 (100%)

When the aircraft were built by decade

001221198022000

What the FAA has certified, ordered and been told about the Lycoming IO-360-F1A the component layer

The design is held under 1 type certificate (1E10, held by Lycoming Engines). The FAA has issued 31 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 1 failure report with the FAA since 1995, 1 of them in the last ten years.

FAA orders 31 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · 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

All orders naming the Lycoming IO-360-F1A

Failure reports 1 since · what operators and shops told the FAA

00011111

Parts most often reported as the reports name them

Switch1

Latest reports

2011-03-21Switch: sparks

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
Biggest operators
Airworthiness

These connections as data: /graph/engine/lycoming-io-360-f1a.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N258SH Enstrom
F-28F
Rotorcraft Individual owner
New Hampshire
Standard 2022-11-03 ValidFAA registration status code V: Valid registration. All codes
N280MH Enstrom
280FX
Rotorcraft Gulf Coast Helicopters INC
Pearland, Texas
Standard 2013-06-26 ValidFAA registration status code V: Valid registration. All codes
N825SH Enstrom
F-28F
Rotorcraft J L Loewen MD Sc
Niagara, Wisconsin
Standard 2010-04-15 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.