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

Lycoming LO-360-A1G6D

3 aircraft on the U.S. register carry a Lycoming LO-360-A1G6D engine, rated at about 180 horsepower. The Beechcraft 76 Duchess is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1979 and 1980.

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 LO-360-A1G6D. FAA spelling: LO-360-A1G6D.

Fitted to model families

Beechcraft 76 Duchess3

Beechcraft 76 Duchess

Where they are owner's state

Florida2Delaware1

Kind of aircraft

Piston twins3 (100%)

When the aircraft were built by decade

001222197011980

What the FAA has certified, ordered and been told about the Lycoming LO-360-A1G6D the component layer

The design is held under 1 type certificate (E-286, held by Lycoming Engines). The FAA has issued 21 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 21 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2012-10-242012-19-01 · Crankshafts · engine
2012-03-272012-03-07 · Carburetor · engine
2008-10-202008-19-05 · Parallel Valve'' reciprocating engines · engine

All orders naming the Lycoming LO-360-A1G6D

Certificates and bulletins

E-286Type certificate held by Lycoming Engines · 72 models listed · revised April 30, 2013

Safety bulletins 7 · 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
2011-03-31NE-08-26R3 · Magneto/Distributor
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
Biggest operators
Airworthiness

These connections as data: /graph/engine/lycoming-lo-360-a1g6d.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N76MK Beech
76
Fixed-wing, multi-engine Melbourne Flight Training LLC
Melbourne, Florida
Standard 2023-08-24 ValidFAA registration status code V: Valid registration. All codes
N776PA Beech
76
Fixed-wing, multi-engine Melbourne Flight Training LLC
Melbourne, Florida
Standard 2021-03-05 ValidFAA registration status code V: Valid registration. All codes
N748D Beech
76
Fixed-wing, multi-engine Aerospace Trust Management LLC Trustee
Wilmington, Delaware
Standard 2015-09-15 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.