The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 7, 2026

Lycoming GSO-480-B1B6

1 aircraft on the U.S. register carry a Lycoming GSO-480-B1B6 engine, rated at about 340 horsepower. The Beechcraft E50 is the model most often fitted with it (1 aircraft).

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-B1B6. FAA spelling: GSO-480-B1B6.

Fitted to model families

Beechcraft E501

Beechcraft E50

Where they are owner's state

Mississippi1

Kind of aircraft

Piston twins1 (100%)

When the aircraft were built by decade

0001111950

What the FAA has certified, ordered and been told about the Lycoming GSO-480-B1B6 the component layer

The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 2 airworthiness directives · newest first

1970-02-1969-25-08 · Reduction Gear Assemblies · engine
59-10-07 · Cylinder Baffle Clamps · engine

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-gso-480-b1b6.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N824GF Beech
E50
Fixed-wing, multi-engine Davis Aviation INC
Brandon, Mississippi
Standard 2023-03-31 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.