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

Lycoming GSO-480-B1J6

3 aircraft on the U.S. register carry a Lycoming GSO-480-B1J6 engine, rated at about 340 horsepower. The U T V A 66 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1971 and 1975.

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 GSO-480-B1J6. FAA spelling: GSO-480-B1J6.

Fitted to model families

U T V A 663

U T V A 66

Where they are owner's state

Ohio1California1

Kind of aircraft

Piston singles3 (100%)

When the aircraft were built by decade

0012221970

What the FAA has certified, ordered and been told about the Lycoming GSO-480-B1J6 the component layer

The design is held under 1 type certificate (E-284, held by Lycoming Engines). The FAA has issued 11 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 5 failure reports with the FAA since 1995, 5 of them in the last ten years.

FAA orders 11 airworthiness directives · newest first

2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2012-03-272012-03-07 · Carburetor · engine
2004-06-252004-10-14 · Crankshaft gear · engine
1997-08-1297-15-11 · Cylinder kits · engine
1992-07-1092-12-05 · Piston Pins · engine
1991-05-2890-04-06 R1 · Propeller Governor External Oil Line · engine

All orders naming the Lycoming GSO-480-B1J6

Failure reports 5 since · what operators and shops told the FAA

01223398101107

Parts most often reported as the reports name them

Exciter Box2Collet1Engine1Gear1

Latest reports

2007-12-21Engine: seized
2001-03-23Collet: failed
1998-10-15Gear: sheared
1998-10-07Exciter Box: failed
1998-10-07Exciter Box: failed

Certificates and bulletins

E-284Type certificate held by Lycoming Engines · 23 models listed · revised June 23, 2010

Safety bulletins 2 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs

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-gso-480-b1j6.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N664KS U T V A
66(V-51)
Fixed-wing, single engine Individual owner
Ohio
Experimental 2024-10-18 ValidFAA registration status code V: Valid registration. All codes
N66PW U T V A
66(V-51)
Fixed-wing, single engine Withheld at owner's request
Experimental 2021-03-08 ValidFAA registration status code V: Valid registration. All codes
N4348N U T V A
66V
Fixed-wing, single engine Co-owned owner
California
Experimental 2012-10-31 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.