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

Lycoming IO-580-A1A

1 aircraft on the U.S. register carry a Lycoming IO-580-A1A engine, rated at about 300 horsepower. The Schneider Thomas C SX300 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 IO-580-A1A. FAA spelling: IO-580-A1A.

Fitted to model families

Schneider Thomas C SX3001

Schneider Thomas C SX300

Where they are owner's state

Indiana1

Kind of aircraft

Piston singles1 (100%)

When the aircraft were built by decade

0001112000

What the FAA has certified, ordered and been told about the Lycoming IO-580-A1A the component layer

The design is held under 1 type certificate (E00004NY, held by Lycoming Engines). The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 7 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2012-10-242012-19-01 · Crankshafts · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
2009-02-092009-02-03 · Fuel injection servos · engine
2008-04-292008-08-14 · Fuel injection servo plugs · engine
2004-06-252004-10-14 · Crankshaft gear · engine

All orders naming the Lycoming IO-580-A1A

Certificates and bulletins

E00004NYType certificate held by Lycoming Engines · 3 models listed · revised January 31, 2020

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

Where they are
Airworthiness

These connections as data: /graph/engine/lycoming-io-580-a1a.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N41TS Schneider Thomas C
SX300
Fixed-wing, single engine Illiana Aero LLC
Vincennes, Indiana
Experimental 2022-08-30 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.