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

Lycoming IO-540-G1B5

3 aircraft on the U.S. register carry a Lycoming IO-540-G1B5 engine, rated at about 290 horsepower. The Bahn William L F1 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 2007 and 2012.

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-540-G1B5. FAA spelling: IO-540-G1B5.

Fitted to model families

Bahn William L F11Baxter Daniel David STARDUSTER TOO SA3001Omeara Clifton B RAVIN 5001

Bahn William L F1 · Baxter Daniel David STARDUSTER TOO SA300 · Omeara Clifton B RAVIN 500

Where they are owner's state

Texas1Oregon1Missouri1

Kind of aircraft

Piston singles3 (100%)

When the aircraft were built by decade

001222200012010

What the FAA has certified, ordered and been told about the Lycoming IO-540-G1B5 the component layer

The design is held under 1 type certificate (1E4, held by Lycoming Engines). The FAA has issued 34 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 3 failure reports with the FAA since 1995, 3 of them in the last ten years.

FAA orders 34 airworthiness directives · newest first

2026-09-142026-17-10 · Reciprocating Engine Cylinder Section · engine
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine

All orders naming the Lycoming IO-540-G1B5

Failure reports 3 since · what operators and shops told the FAA

00122296198

Parts most often reported as the reports name them

Bolt1Fuel Injector1Rod1

Latest reports

1998-09-01Rod: corroded
1996-07-04Fuel Injector: loose hardware
1996-06-14Bolt: failed

Certificates and bulletins

1E4Type certificate held by Lycoming Engines · 81 models listed · revised February 28, 2018

Safety bulletins 6 · 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,...
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

Where they are
Airworthiness

These connections as data: /graph/engine/lycoming-io-540-g1b5.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N722MB Omeara Clifton B
RAVIN 500
Fixed-wing, single engine Individual owner
Texas
Experimental 2018-08-10 ValidFAA registration status code V: Valid registration. All codes
N69WJ Bahn William L
F1
Fixed-wing, single engine Individual owner
Missouri
Experimental 2006-04-26 ValidFAA registration status code V: Valid registration. All codes
N96558 Baxter Daniel David
STARDUSTER TOO SA300
Fixed-wing, single engine Individual owner
Oregon
Experimental 1992-03-31 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.