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

Lycoming O-320-B2A

11 aircraft on the U.S. register carry a Lycoming O-320-B2A engine, rated at about 160 horsepower. The Piper PA-22 Tri-Pacer and Colt is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1955 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-320-B2A. FAA spelling: O-320-B2A.

Fitted to model families

Piper PA-22 Tri-Pacer and Colt2Piper PA-18 Super Cub2Chlopek John D JCPA181Christopher P Gage SHORTFIELD EXPLORER1Condra Philip B BUSHMASTER1George Backovich OSPREY 21Lansing Alan C LANSING ACRO SPORT 21Stubbs Brian E RV-61Whiting T Trste/Whiting S Trst HOMEBUILT PA 18 REPL1

Piper PA-22 Tri-Pacer and Colt · Piper PA-18 Super Cub · Chlopek John D JCPA18 · Christopher P Gage SHORTFIELD EXPLORER · Condra Philip B BUSHMASTER · George Backovich OSPREY 2 · Lansing Alan C LANSING ACRO SPORT 2 · Stubbs Brian E RV-6 · Whiting T Trste/Whiting S Trst HOMEBUILT PA 18 REPL

Where they are owner's state

Montana2California2Alaska2Washington1Tennessee1Oregon1Indiana1Idaho1

Kind of aircraft

Piston singles11 (100%)

When the aircraft were built by decade

012233195011970320001201012020

What the FAA has certified, ordered and been told about the Lycoming O-320-B2A the component layer

The design is held under 1 type certificate (E-274, held by Lycoming Engines). The FAA has issued 20 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 3 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 20 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2012-03-272012-03-07 · Carburetor · engine
2008-10-202008-19-05 · Parallel Valve'' reciprocating engines · engine
2006-01-312005-26-10 · ECi cylinder assemblies. · engine
2004-06-252004-10-14 · Crankshaft gear · engine

All orders naming the Lycoming O-320-B2A

Failure reports 3 since · what operators and shops told the FAA

00011198100101

Parts most often reported as the reports name them

Bolt1Propeller1Wheel1

Latest reports

2001-04-11Propeller: corroded
2000-08-08Wheel: cracked
1998-04-15Bolt: failed

Certificates and bulletins

E-274Type certificate held by Lycoming Engines · 60 models listed · revised April 30, 2013

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-o-320-b2a.json · about the eFlight graph.

Aircraft newest certificates first · 11

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N1207X Condra Philip B
BUSHMASTER
Fixed-wing, single engine Pbc LLC
Missoula, Montana
Experimental 2023-06-10 ValidFAA registration status code V: Valid registration. All codes
N57JV Chlopek John D
JCPA18
Fixed-wing, single engine Individual owner
Oregon
Experimental 2022-08-01 ValidFAA registration status code V: Valid registration. All codes
N141E Christopher P Gage
SHORTFIELD EXPLORER
Fixed-wing, single engine Individual owner
Idaho
Experimental 2019-05-09 ValidFAA registration status code V: Valid registration. All codes
N153GB George Backovich
OSPREY 2
Fixed-wing, single engine Individual owner
California
Experimental 2018-06-12 ValidFAA registration status code V: Valid registration. All codes
N8112P Piper
PA-22-150
Fixed-wing, single engine Individual owner
Washington
Standard 2017-10-03 ValidFAA registration status code V: Valid registration. All codes
N39AL Lansing Alan C
LANSING ACRO SPORT 2
Fixed-wing, single engine Individual owner
Indiana
Experimental 2016-11-14 ValidFAA registration status code V: Valid registration. All codes
N8078D Piper
PA-18
Fixed-wing, single engine Individual owner
Alaska
Standard 2014-11-19 ValidFAA registration status code V: Valid registration. All codes
N762PS Whiting T Trste/Whiting S Trst
HOMEBUILT PA 18 REPL
Fixed-wing, single engine Alpine Veterinary Service INC
Billings, Montana
Experimental 2014-03-10 ValidFAA registration status code V: Valid registration. All codes
N57698 Piper
PA-18-150
Fixed-wing, single engine Individual owner
Alaska
Restricted 2011-10-31 ValidFAA registration status code V: Valid registration. All codes
N2469P Piper
PA-22-150
Fixed-wing, single engine Co-owned owner
California
Standard 2011-05-10 ValidFAA registration status code V: Valid registration. All codes
N829BS Stubbs Brian E
RV-6
Fixed-wing, single engine Individual owner
Tennessee
Experimental 2007-03-22 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.