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

Lycoming TIO-540-AF1A

3 aircraft on the U.S. register carry a Lycoming TIO-540-AF1A engine, rated at about 270 horsepower. The Mooney M-20 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1990 and 2018.

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 TIO-540-AF1A. FAA spelling: TIO-540-AF1A.

Fitted to model families

Mooney M-202Robert L Tincher JUST ACFT HIGHLANDER1

Mooney M-20 · Robert L Tincher JUST ACFT HIGHLANDER

Where they are owner's state

Virginia1Ohio1New Mexico1

Kind of aircraft

Piston singles3 (100%)

When the aircraft were built by decade

001222199012010

What the FAA has certified, ordered and been told about the Lycoming TIO-540-AF1A the component layer

The design is held under 1 type certificate (E14EA, held by Lycoming Engines). The FAA has issued 26 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 9 failure reports with the FAA since 1995, 2 of them in the last ten years.

FAA orders 26 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine
2012-03-0871-13-01R1 · Rescinding an airworthiness directive · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine

All orders naming the Lycoming TIO-540-AF1A

Failure reports 9 since · what operators and shops told the FAA

00122295296197100102109113

Parts most often reported as the reports name them

Clamp1Controller1Distributor Gear1Gasket1Guide1Magneto1Pivot Assy1Spar Cap1Valve Seat1

Latest reports

2013-11-07Spar Cap: corroded
2009-02-17Clamp: cracked
2002-07-18Pivot Assy: seized
2000-07-14Valve Seat: loose
1997-08-12Magneto: contaminated

Certificates and bulletins

E14EAType certificate held by Lycoming Engines · 40 models listed · revised May 24, 2012

Safety bulletins 5 · 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
2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft
2008-07-03NE-08-32 · Propeller Governor Set Screw

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-tio-540-af1a.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N420YA Robert L Tincher
JUST ACFT HIGHLANDER
Fixed-wing, single engine Individual owner
Ohio
Experimental 2023-10-07 ValidFAA registration status code V: Valid registration. All codes
N11HW Mooney
M20M
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2022-03-23 ValidFAA registration status code V: Valid registration. All codes
N321EH Mooney
M20M
Fixed-wing, single engine Eastern Stearman INC Trustee
Leesburg, Virginia
Standard 2016-07-18 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.