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

Lycoming O-540 series

5,244 aircraft on the U.S. register carry a Lycoming O-540 series engine, rated at about 250 horsepower. The Piper PA-28 Cherokee, Warrior, Archer and Arrow is the model most often fitted with it (1,226 aircraft). The aircraft carrying it were built between 1958 and 2026.

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-540 series (2 codes). FAA spellings: 0-540 SERIES · O-540 SERIES.

Fitted to model families

Piper PA-28 Cherokee, Warrior, Archer and Arrow1,226Piper PA-24 Comanche1,162Piper PA-32 Cherokee Six, Lance and Saratoga641Cessna R182 Skylane RG613Cessna TR182 Turbo Skylane RG413Piper PA-25 Pawnee333Maule M-5148Robinson R44138Piper PA-23 Apache and Aztec138Maule M-759Cessna T182 Turbo Skylane53Britten-Norman BN-229

Piper PA-28 Cherokee, Warrior, Archer and Arrow · Piper PA-24 Comanche · Piper PA-32 Cherokee Six, Lance and Saratoga · Cessna R182 Skylane RG · Cessna TR182 Turbo Skylane RG · Piper PA-25 Pawnee · Maule M-5 · Robinson R44 · Piper PA-23 Apache and Aztec · Maule M-7

Where they are owner's state

California548Texas467Florida359Arizona198Colorado181Ohio155Washington147Michigan131Georgia123North Carolina119

Kind of aircraft

Piston singles4,903 (93%)Piston twins198 (4%)Helicopters140 (3%)Turboprops3 (0.1%)

When the aircraft were built by decade

04749491,4241,89819401950196019701980199020002010112020

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

No FAA order in the current files names this engine series. Operators and repair shops have filed 304 failure reports with the FAA since 1995, 20 of them in the last ten years.

Failure reports 304 since · what operators and shops told the FAA

01530466195000510152025126

Parts most often reported as the reports name them

Magneto11Light10Carburetor8Line8Clamp7Pin7Valve7Boot6Bulkhead6Hose6

Latest reports

2026-05-09Thrust Button: faulty
2025-06-06Housing: failed
2024-09-25Magneto: making metal
2024-04-02Rod: scored
2023-06-27Solenoid: defective

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-540-series.json · about the eFlight graph.

Aircraft newest certificates first · 5,244

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N4816S Piper
PA-32-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2025-09-05 ValidFAA registration status code V: Valid registration. All codes
N5459P Piper
PA-24-250
Fixed-wing, single engine Airclimax INC
Milan, Tennessee
Standard 2025-09-05 ValidFAA registration status code V: Valid registration. All codes
N680PM Robinson Helicopter
R44 ASTRO
Helicopter N680Pm LLC
Knoxville, Iowa
Multiple 2025-09-05 ValidFAA registration status code V: Valid registration. All codes
N7340Y Cessna
R182
Fixed-wing, single engine Co-owned owner
Florida
Standard 2025-09-05 ValidFAA registration status code V: Valid registration. All codes
N7408P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kentucky
Standard 2025-09-05 ValidFAA registration status code V: Valid registration. All codes
N6192P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-09-04 ValidFAA registration status code V: Valid registration. All codes
N33631 Piper
PA-32-260
Fixed-wing, single engine First Class Emergency Vehicles LLC
Monroe, North Carolina
Standard 2025-09-03 ValidFAA registration status code V: Valid registration. All codes
N9200E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-09-02 ValidFAA registration status code V: Valid registration. All codes
N9908H Cessna
T182
Fixed-wing, single engine Co-owned owner
California
Standard 2025-09-01 ValidFAA registration status code V: Valid registration. All codes
N1450X Piper
PA-32-260
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-08-27 ValidFAA registration status code V: Valid registration. All codes
N738HC Cessna
TR182
Fixed-wing, single engine Plane and Simple Holdings LLC
Saint Petersburg, Florida
Standard 2025-08-27 ValidFAA registration status code V: Valid registration. All codes
N9114E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-08-26 ValidFAA registration status code V: Valid registration. All codes
N9133E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Multiple 2025-08-26 ValidFAA registration status code V: Valid registration. All codes
N1818R Cessna
R182
Fixed-wing, single engine Sideline Services LLC
Pearland, Texas
Standard 2025-08-25 ValidFAA registration status code V: Valid registration. All codes
N212BC Cessna
TR182
Fixed-wing, single engine Individual owner
New Mexico
Standard 2025-08-25 ValidFAA registration status code V: Valid registration. All codes
N3930W Piper
PA-32-260
Fixed-wing, single engine Avionics Holding Group LLC
Salisbury, North Carolina
Standard 2025-08-23 ValidFAA registration status code V: Valid registration. All codes
N5078M Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2025-08-22 ValidFAA registration status code V: Valid registration. All codes
N5579J Piper
PA-32-260
Fixed-wing, single engine Flyinahrens LLC
Webster Groves, Missouri
Standard 2025-08-20 ValidFAA registration status code V: Valid registration. All codes
N56890 Piper
PA-28-235
Fixed-wing, single engine Fink David J
Georgetown, Texas
Standard 2025-08-19 ValidFAA registration status code V: Valid registration. All codes
N6743P Piper
PA-24-250
Fixed-wing, single engine Individual owner
New Jersey
Standard 2025-08-19 ValidFAA registration status code V: Valid registration. All codes
N454WT Robinson Helicopter
R44
Helicopter Ace Flight LLC
Houma, Louisiana
Standard 2025-08-18 ValidFAA registration status code V: Valid registration. All codes
N7336Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Wyoming
Restricted 2025-08-18 ValidFAA registration status code V: Valid registration. All codes
N6202P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-08-15 ValidFAA registration status code V: Valid registration. All codes
N313AM Piper
PA-28-236
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-08-12 ValidFAA registration status code V: Valid registration. All codes
N9ML Cessna
R182
Fixed-wing, single engine Bobcheeto LLC
Newark, Delaware
Standard 2025-08-12 ValidFAA registration status code V: Valid registration. All codes
N2108H Piper
PA-28-236
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-08-11 ValidFAA registration status code V: Valid registration. All codes
N5461P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-08-11 ValidFAA registration status code V: Valid registration. All codes
N873X Freeman
STEEN SKYBOLT
Fixed-wing, single engine Individual owner
Nevada
Experimental 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N9269E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Kentucky
Standard 2025-08-07 ValidFAA registration status code V: Valid registration. All codes
N2149J Piper
PA-28-236
Fixed-wing, single engine N2149J LLC
Colorado Springs, Colorado
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N3515W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-08-06 ValidFAA registration status code V: Valid registration. All codes
N235JK Piper
PA-23-235
Fixed-wing, multi-engine Individual owner
Indiana
Standard 2025-08-05 ValidFAA registration status code V: Valid registration. All codes
N8364Z Robinson Helicopter
R44
Helicopter N7535Z LLC
Raleigh, North Carolina
Standard 2025-08-05 ValidFAA registration status code V: Valid registration. All codes
N756JB Cessna
TR182
Fixed-wing, single engine Rocky Mountain Great Planes LLC
Loveland, Colorado
Standard 2025-08-04 ValidFAA registration status code V: Valid registration. All codes
N82634 Piper
PA-28-236
Fixed-wing, single engine Aircraft Wings LLC
Gresham, Oregon
Standard 2025-08-04 ValidFAA registration status code V: Valid registration. All codes
N6468P Piper
PA-24-250
Fixed-wing, single engine Tevis Aviation Enterprises LLC
Newcastle, Oklahoma
Standard 2025-08-02 ValidFAA registration status code V: Valid registration. All codes
N4447R Cessna
R182
Fixed-wing, single engine Manos Con Alas Ministries
Sierra Madre, California
Restricted 2025-07-31 ValidFAA registration status code V: Valid registration. All codes
N7719P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-07-31 ValidFAA registration status code V: Valid registration. All codes
N8509W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-07-31 ValidFAA registration status code V: Valid registration. All codes
N3737W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N75171 Piper
PA-28-235
Fixed-wing, single engine Horsepower Aviation LLC
Gilroy, California
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N8106R Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Wyoming
Standard 2025-07-30 ValidFAA registration status code V: Valid registration. All codes
N1023X Piper
PA-28-235
Fixed-wing, single engine Individual owner
Idaho
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N123MF Piper
PA-32-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N3807W Piper
PA-32-260
Fixed-wing, single engine Individual owner
California
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N56392 Piper
PA-32-260
Fixed-wing, single engine Individual owner
West Virginia
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N7337Q Cessna
R182
Fixed-wing, single engine Copper Ridge Express LLC
Iowa Falls, Iowa
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N738PW Cessna
TR182
Fixed-wing, single engine Co-owned owner
Montana
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N756TC Cessna
TR182
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N9394W Piper
PA-28-235
Fixed-wing, single engine Leading Edge Scaffold INC
Las Vegas, Nevada
Standard 2025-07-29 ValidFAA registration status code V: Valid registration. All codes
N8351P Piper
PA-24-250
Fixed-wing, single engine Comanche Air Holdings LLC
Austin, Texas
Standard 2025-07-28 ValidFAA registration status code V: Valid registration. All codes
N5502P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Maryland
Standard 2025-07-26 ValidFAA registration status code V: Valid registration. All codes
N3791W Piper
PA-32-260
Fixed-wing, single engine Cherokee Trail Aviation LLC
Tontitown, Arkansas
Standard 2025-07-25 ValidFAA registration status code V: Valid registration. All codes
N144FL Robinson Helicopter
R44 ASTRO
Helicopter South Florida Helicopters INC
Indiantown, Florida
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N14MY Robinson Helicopter
R44
Helicopter South Florida Helicopters INC
Indiantown, Florida
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N2639C Cessna
R182
Fixed-wing, single engine Clear and Seven LLC
Santa Teresa, New Mexico
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N736YY Cessna
R182
Fixed-wing, single engine Yankee Yankee LLC
Bend, Oregon
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N3866W Piper
PA-32-260
Fixed-wing, single engine N3866W LLC
Broken Arrow, Oklahoma
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N9118W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N941JW Cessna
TR182
Fixed-wing, single engine Moses Aviation Services LLC
Uvalde, Texas
Standard 2025-07-23 ValidFAA registration status code V: Valid registration. All codes
N56649 Piper
PA-28-235
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2025-07-15 ValidFAA registration status code V: Valid registration. All codes
N8154A Piper
PA-28-236
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-07-15 ValidFAA registration status code V: Valid registration. All codes
N192DB Rockwell International
114
Fixed-wing, single engine Individual owner
South Carolina
Standard 2025-07-10 ValidFAA registration status code V: Valid registration. All codes
N8174P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2025-07-08 ValidFAA registration status code V: Valid registration. All codes
N8YA Cessna
R182
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2025-07-08 ValidFAA registration status code V: Valid registration. All codes
N9130W Piper
PA-28-235
Fixed-wing, single engine Canyon Aviation Mt LLC
Kalispell, Montana
Standard 2025-07-08 ValidFAA registration status code V: Valid registration. All codes
N1705R Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2025-07-07 ValidFAA registration status code V: Valid registration. All codes
N5370P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2025-07-07 ValidFAA registration status code V: Valid registration. All codes
N3012N Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
California
Standard 2025-07-04 ValidFAA registration status code V: Valid registration. All codes
N212RG Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-07-03 ValidFAA registration status code V: Valid registration. All codes
N7592R Cessna
TR182
Fixed-wing, single engine International Security Network INC
Pahrump, Nevada
Standard 2025-07-03 ValidFAA registration status code V: Valid registration. All codes
N4602S Cessna
TR182
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-07-02 ValidFAA registration status code V: Valid registration. All codes
N2103J Piper
PA-28-236
Fixed-wing, single engine Individual owner
Louisiana
Standard 2025-07-01 ValidFAA registration status code V: Valid registration. All codes
N5376P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2025-07-01 ValidFAA registration status code V: Valid registration. All codes
N999HP Cessna
182RG
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-06-30 ValidFAA registration status code V: Valid registration. All codes
N5842P Piper
PA-24-250
Fixed-wing, single engine Flyair Flight Academy LLC
Flint, Texas
Restricted 2025-06-26 ValidFAA registration status code V: Valid registration. All codes
N23LG Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arkansas
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N5523P Piper
PA-24-250
Fixed-wing, single engine Bens Motorworks INC
Fullerton, California
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N6026C Cessna
R182
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2025-06-24 ValidFAA registration status code V: Valid registration. All codes
N3424W Piper
PA-32-260
Fixed-wing, single engine Hobaugh Auto Parts INC
Karns City, Pennsylvania
Standard 2025-06-23 ValidFAA registration status code V: Valid registration. All codes
N751RJ Piper
PA-28-236
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N8271V Piper
PA-28-236
Fixed-wing, single engine Ckt3 LLC
Kalispell, Montana
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N8781W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
California
Standard 2025-06-20 ValidFAA registration status code V: Valid registration. All codes
N54WD Cessna
R182
Fixed-wing, single engine Hat Creek Aviation LLC
Hamilton, Montana
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N627WB Piper
PA-28-236
Fixed-wing, single engine Illini Enterprises LLC
Cherry Valley, Illinois
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N6731P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Colorado
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N906GD Britten-Norman
BN2A-26 ISLANDER
Fixed-wing, multi-engine Air Charter INC DBA
Culebra, Puerto Rico
Standard 2025-06-16 ValidFAA registration status code V: Valid registration. All codes
N15442 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Michigan
Standard 2025-06-15 ValidFAA registration status code V: Valid registration. All codes
N169AB Piper
PA-25-260
Fixed-wing, single engine Southern Cub and Aircraft Restoration LLC
Pensacola, Florida
Standard 2025-06-13 ValidFAA registration status code V: Valid registration. All codes
N502TV Cessna
TR182
Fixed-wing, single engine Shyena Aviation LLC
Henderson, Nevada
Standard 2025-06-13 ValidFAA registration status code V: Valid registration. All codes
N16371 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2025-06-12 ValidFAA registration status code V: Valid registration. All codes
N8290P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Alabama
Standard 2025-06-12 ValidFAA registration status code V: Valid registration. All codes
N5359S Cessna
TR182
Fixed-wing, single engine Withheld at owner's request
Standard 2025-06-06 ValidFAA registration status code V: Valid registration. All codes
N66LB Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-06-06 ValidFAA registration status code V: Valid registration. All codes
N3395W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-06-05 ValidFAA registration status code V: Valid registration. All codes
N5612P Piper
PA-24-250
Fixed-wing, single engine Clarity Aviation LLC
Boise, Idaho
Standard 2025-06-05 ValidFAA registration status code V: Valid registration. All codes
N15735 Piper
PA-28-235
Fixed-wing, single engine 235 Aviation LLC
New Smyrna Beach, Florida
Standard 2025-06-02 ValidFAA registration status code V: Valid registration. All codes
N6710P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2025-06-02 ValidFAA registration status code V: Valid registration. All codes
N97JW Cessna
TR182
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2025-05-30 ValidFAA registration status code V: Valid registration. All codes
N5553J Piper
PA-32-260
Fixed-wing, single engine Hein Investments LLC
Omro, Wisconsin
Standard 2025-05-29 ValidFAA registration status code V: Valid registration. All codes
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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.