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

Lycoming O-360-A1F6D

18 aircraft on the U.S. register carry a Lycoming O-360-A1F6D engine, rated at about 180 horsepower. The Cessna 177 Cardinal is the model most often fitted with it (12 aircraft). The aircraft carrying it were built between 1973 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-360-A1F6D. FAA spelling: O-360-A1F6D.

Fitted to model families

Cessna 177 Cardinal12Clark Giles R RV-61Ernst Randi L GS-21Knapp R/Poole D RV-41Paradis David L PARADIS RV-81Randel Tom L VANS ACFT RV-71Sandall Evan R RV-81

Cessna 177 Cardinal · Clark Giles R RV-6 · Ernst Randi L GS-2 · Knapp R/Poole D RV-4 · Paradis David L PARADIS RV-8 · Randel Tom L VANS ACFT RV-7 · Sandall Evan R RV-8

Where they are owner's state

Ohio2Arizona2Wisconsin1Texas1Oregon1North Carolina1Minnesota1Michigan1Maryland1Indiana1

Kind of aircraft

Piston singles18 (100%)

When the aircraft were built by decade

03691212197011990320001201012020

What the FAA has certified, ordered and been told about the Lycoming O-360-A1F6D the component layer

The design is held under 1 type certificate (E-286, held by Lycoming Engines). The FAA has issued 22 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, 4 of them in the last ten years.

FAA orders 22 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · 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
2006-11-032006-20-09 · Certain crankshafts replacing · engine

All orders naming the Lycoming O-360-A1F6D

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

00011109111112114119

Parts most often reported as the reports name them

Gasket2Bracket1O-Ring1Spar1

Latest reports

2019-07-19Spar: corroded
2014-09-08Bracket: cracked
2012-08-09Gasket: not seated
2011-03-11O-Ring: worn
2009-04-17Gasket: not seated

Certificates and bulletins

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

Safety bulletins 8 · 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,...
2011-03-31NE-08-26R3 · Magneto/Distributor

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-o-360-a1f6d.json · about the eFlight graph.

Aircraft newest certificates first · 18

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N22177 Cessna
177B
Fixed-wing, single engine Individual owner
Michigan
Standard 2026-09-17 ValidFAA registration status code V: Valid registration. All codes
N814DP Paradis David L
PARADIS RV-8
Fixed-wing, single engine Western Antique Aeroplane & Automobile Museum
Hood River, Oregon
Experimental 2025-05-02 ValidFAA registration status code V: Valid registration. All codes
N34795 Cessna
177B
Fixed-wing, single engine Fox Business Advisors LLC
Mesa, Arizona
Standard 2025-01-31 ValidFAA registration status code V: Valid registration. All codes
N679JT Cessna
177B
Fixed-wing, single engine Adventure Aviation Sales INC
Jeffersonville, Indiana
Standard 2024-11-23 ValidFAA registration status code V: Valid registration. All codes
N19387 Cessna
177B
Fixed-wing, single engine Debo Group INC
Uniontown, Ohio
Standard 2023-12-05 ValidFAA registration status code V: Valid registration. All codes
N567BB Cessna
177B
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2023-01-11 ValidFAA registration status code V: Valid registration. All codes
N376RV Clark Giles R
RV-6
Fixed-wing, single engine Individual owner
Alabama
Experimental 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N177ET Cessna
177B
Fixed-wing, single engine Thorstad Aviation LLC
Alexandria, Minnesota
Standard 2022-12-17 ValidFAA registration status code V: Valid registration. All codes
N664AK Cessna
177B
Fixed-wing, single engine Individual owner
Alaska
Standard 2022-11-03 ValidFAA registration status code V: Valid registration. All codes
N74DP Cessna
177B
Fixed-wing, single engine Withheld at owner's request
Standard 2020-08-12 ValidFAA registration status code V: Valid registration. All codes
N797TK Randel Tom L
VANS ACFT RV-7
Fixed-wing, single engine Individual owner
Wisconsin
Experimental 2020-07-28 ValidFAA registration status code V: Valid registration. All codes
N1296C Cessna
177B
Fixed-wing, single engine Individual owner
Idaho
Standard 2020-04-22 ValidFAA registration status code V: Valid registration. All codes
N222ES Sandall Evan R
RV-8
Fixed-wing, single engine Individual owner
North Carolina
Experimental 2019-09-26 ValidFAA registration status code V: Valid registration. All codes
N34852 Cessna
177B
Fixed-wing, single engine Pride Electric Enterprises
Prescott Valley, Arizona
Standard 2018-06-05 ValidFAA registration status code V: Valid registration. All codes
N494RV Knapp R/Poole D
RV-4
Fixed-wing, single engine Individual owner
Illinois
Experimental 2018-01-12 ValidFAA registration status code V: Valid registration. All codes
N28524 Ernst Randi L
GS-2
Fixed-wing, single engine Individual owner
Texas
Experimental 2008-02-22 ValidFAA registration status code V: Valid registration. All codes
N20300 Cessna
177B
Fixed-wing, single engine Congressional Flying Club INC
Gaithersburg, Maryland
Standard 2005-06-23 ValidFAA registration status code V: Valid registration. All codes
N5377C Cessna
177B
Fixed-wing, single engine Individual owner
Ohio
Standard 1988-11-21 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.