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

Lycoming IO-360-A2B

2 aircraft on the U.S. register carry a Lycoming IO-360-A2B engine, rated at about 200 horsepower. The Gunn Gary VANS RV-8A is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 2006 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 IO-360-A2B. FAA spelling: IO-360-A2B.

Fitted to model families

Gunn Gary VANS RV-8A1Tremblay Peter RV-7A1

Gunn Gary VANS RV-8A · Tremblay Peter RV-7A

Where they are owner's state

Minnesota1

Kind of aircraft

Piston singles2 (100%)

When the aircraft were built by decade

000111200012020

What the FAA has certified, ordered and been told about the Lycoming IO-360-A2B 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 9 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
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-A2B

Failure reports 9 since · what operators and shops told the FAA

00122195197298100204109117

Parts most often reported as the reports name them

Alternator1Blade1Dipstick1Hose1Leg Assy1Propeller1Seat Belt1Stud1Valve1

Latest reports

2017-11-30Propeller: broken
2009-09-12Leg Assy: cracked
2004-05-18Dipstick: leaking
2004-04-13Stud: broken
2000-04-28Blade: cracked

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

Where they are
Airworthiness

These connections as data: /graph/engine/lycoming-io-360-a2b.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N92AZ Gunn Gary
VANS RV-8A
Fixed-wing, single engine Withheld at owner's request
Experimental 2024-08-12 ValidFAA registration status code V: Valid registration. All codes
N654W Tremblay Peter
RV-7A
Fixed-wing, single engine Individual owner
Minnesota
Experimental 2019-06-11 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.