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

Lycoming O-145-B2

5 aircraft on the U.S. register carry a Lycoming O-145-B2 engine, rated at about 65 horsepower. The Cowell PIETENPOL AIRCAMPER is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1939 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 O-145-B2. FAA spelling: O-145-B2.

Fitted to model families

Cowell PIETENPOL AIRCAMPER1Kyle R Bradford BRADFORD SKY SCOUT1Mooney M-181Porterfield LP-651Taylorcraft BL-651

Cowell PIETENPOL AIRCAMPER · Kyle R Bradford BRADFORD SKY SCOUT · Mooney M-18 · Porterfield LP-65 · Taylorcraft BL-65

Where they are owner's state

Texas1Michigan1Maryland1Florida1California1

Kind of aircraft

Piston singles5 (100%)

When the aircraft were built by decade

0001111930119401197012010

What the FAA has certified, ordered and been told about the Lycoming O-145-B2 the component layer

The design is held under 1 type certificate (TC 210, held by Textron Lycoming Avco Corporation). The FAA has issued 3 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 3 airworthiness directives · newest first

2012-03-272012-03-07 · Carburetor · engine
1991-05-2890-04-06 R1 · Propeller Governor External Oil Line · engine
1969-01-1666-06-03 · Connecting Rod Assemblies · engine

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

00011197

Parts most often reported as the reports name them

Valve Seat1

Latest reports

1997-07-28Valve Seat: failed

Certificates and bulletins

TC 210Type certificate held by Textron Lycoming Avco Corporation · 8 models listed

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-145-b2.json · about the eFlight graph.

Aircraft newest certificates first · 5

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N120C Mooney
M-18L
Fixed-wing, single engine Individual owner
California
Experimental 2024-10-05 ValidFAA registration status code V: Valid registration. All codes
N37856 Porterfield
LP-65
Fixed-wing, single engine Individual owner
Texas
Standard 2024-02-20 ValidFAA registration status code V: Valid registration. All codes
N14836 Kyle R Bradford
BRADFORD SKY SCOUT
Fixed-wing, single engine Individual owner
Michigan
Experimental 2017-10-03 ValidFAA registration status code V: Valid registration. All codes
N20442 Taylorcraft
BL-65
Fixed-wing, single engine Individual owner
Maryland
Standard 2015-09-25 ValidFAA registration status code V: Valid registration. All codes
N48248 Cowell
PIETENPOL AIRCAMPER
Fixed-wing, single engine Individual owner
Florida
Experimental 2009-06-09 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.