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
N8806W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N60WF Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2025-12-02 ValidFAA registration status code V: Valid registration. All codes
N8528W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-12-02 ValidFAA registration status code V: Valid registration. All codes
N15564 Piper
PA-28-235
Fixed-wing, single engine Santi Cali Aviation LLC
Longwood, Florida
Standard 2025-11-30 ValidFAA registration status code V: Valid registration. All codes
N1661R Cessna
R182
Fixed-wing, single engine Individual owner
New York
Standard 2025-11-30 ValidFAA registration status code V: Valid registration. All codes
N8501L Piper
PA-25-235
Fixed-wing, single engine Individual owner
Montana
Restricted 2025-11-30 ValidFAA registration status code V: Valid registration. All codes
N9369W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-11-29 ValidFAA registration status code V: Valid registration. All codes
N7426S Cessna
TR182
Fixed-wing, single engine Co-owned owner
California
Standard 2025-11-23 ValidFAA registration status code V: Valid registration. All codes
N164KD Fitts Robert D
SUPER 540
Fixed-wing, single engine Co-owned owner
California
Experimental 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N6433T Cessna
R182
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2025-11-19 ValidFAA registration status code V: Valid registration. All codes
N7319T Cessna
R182
Fixed-wing, single engine Alberta Aviation LLC
Wyoming, Michigan
Standard 2025-11-19 ValidFAA registration status code V: Valid registration. All codes
N16440 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N6284P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Connecticut
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N9230W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Connecticut
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N6355Y Piper
PA-23-250
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2025-11-14 ValidFAA registration status code V: Valid registration. All codes
N8526N Piper
PA-28-235
Fixed-wing, single engine Individual owner
South Carolina
Standard 2025-11-14 ValidFAA registration status code V: Valid registration. All codes
N2329T Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2025-11-13 ValidFAA registration status code V: Valid registration. All codes
N1588X Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
North Carolina
Standard 2025-11-12 ValidFAA registration status code V: Valid registration. All codes
N718SC Robinson Helicopter
R44
Helicopter Helico Rotors INC
Miami Beach, Florida
Standard 2025-11-12 ValidFAA registration status code V: Valid registration. All codes
N3279C Cessna
R182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-11-11 ValidFAA registration status code V: Valid registration. All codes
N11541 Cessna
R182
Fixed-wing, single engine Upskirt Aviation LLC
Fredericktown, Missouri
Standard 2025-11-10 ValidFAA registration status code V: Valid registration. All codes
N2918D Piper
PA-28-236
Fixed-wing, single engine Individual owner
Texas
Standard 2025-11-10 ValidFAA registration status code V: Valid registration. All codes
N3255W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Mississippi
Standard 2025-11-10 ValidFAA registration status code V: Valid registration. All codes
N2847Y Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2025-11-06 ValidFAA registration status code V: Valid registration. All codes
N407X Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-11-06 ValidFAA registration status code V: Valid registration. All codes
N8510N Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nevada
Standard 2025-11-06 ValidFAA registration status code V: Valid registration. All codes
N4329Y Piper
PA-23-235
Fixed-wing, multi-engine Individual owner
Indiana
Standard 2025-11-05 ValidFAA registration status code V: Valid registration. All codes
N7711P Piper
PA-24-250
Fixed-wing, single engine Whitewater Aviation INC
Harrison, Ohio
Standard 2025-11-05 ValidFAA registration status code V: Valid registration. All codes
N8283P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-11-04 ValidFAA registration status code V: Valid registration. All codes
N9092C Cessna
R182
Fixed-wing, single engine Adirondack Aviators LLC
Peru, New York
Standard 2025-11-04 ValidFAA registration status code V: Valid registration. All codes
N2108V Piper
PA-28-236
Fixed-wing, single engine Fast and Slow To Go LLC
Dover, Delaware
Standard 2025-10-30 ValidFAA registration status code V: Valid registration. All codes
N4044Q Piper
PA-28-236
Fixed-wing, single engine Cloud Surfers LLC
Olathe, Kansas
Standard 2025-10-29 ValidFAA registration status code V: Valid registration. All codes
N4887S Piper
PA-32-260
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-10-29 ValidFAA registration status code V: Valid registration. All codes
N8470H Piper
PA-28-236
Fixed-wing, single engine Eagle Air US INC
Eau Claire, Wisconsin
Standard 2025-10-28 ValidFAA registration status code V: Valid registration. All codes
N4676P Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2025-10-24 ValidFAA registration status code V: Valid registration. All codes
N7994P Piper
PA-24-250
Fixed-wing, single engine Letourneau University
Longview, Texas
Experimental 2025-10-23 ValidFAA registration status code V: Valid registration. All codes
N32553 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Indiana
Standard 2025-10-22 ValidFAA registration status code V: Valid registration. All codes
N3497W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2025-10-22 ValidFAA registration status code V: Valid registration. All codes
N6153S Cessna
TR182
Fixed-wing, single engine Individual owner
Florida
Standard 2025-10-21 ValidFAA registration status code V: Valid registration. All codes
N783SC Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-10-21 ValidFAA registration status code V: Valid registration. All codes
N41VZ Maule
M-5-235C
Fixed-wing, single engine Carver CO LLC
Chugiak, Alaska
Standard 2025-10-19 ValidFAA registration status code V: Valid registration. All codes
N437NA Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Montana
Standard 2025-10-17 ValidFAA registration status code V: Valid registration. All codes
N757YG Cessna
R182
Fixed-wing, single engine Dayton Pilots Club INC
Springboro, Ohio
Standard 2025-10-16 ValidFAA registration status code V: Valid registration. All codes
N8447P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Delaware
Standard 2025-10-16 ValidFAA registration status code V: Valid registration. All codes
N5529J Piper
PA-32-260
Fixed-wing, single engine Farsighted Aviation LLC
Connersville, Indiana
Standard 2025-10-14 ValidFAA registration status code V: Valid registration. All codes
N112CP Maule
MT-7-235
Fixed-wing, single engine Bradley Aviation LLC
Columbus, Indiana
Standard 2025-10-10 ValidFAA registration status code V: Valid registration. All codes
N260AP Siai-Marchetti
F260D
Fixed-wing, single engine Rother Aviation INC Trustee
Wilmington, Delaware
Standard 2025-10-09 ValidFAA registration status code V: Valid registration. All codes
N9444W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Ohio
Standard 2025-10-09 ValidFAA registration status code V: Valid registration. All codes
N17TA Piper
PA-24-250
Fixed-wing, single engine Retired Aviators Flying Club LLC
Oklahoma City, Oklahoma
Standard 2025-10-08 ValidFAA registration status code V: Valid registration. All codes
N235DA Piper
PA-23-235
Fixed-wing, multi-engine Marc Aircraft Holding LLC
Soldotna, Alaska
Standard 2025-10-08 ValidFAA registration status code V: Valid registration. All codes
N8898W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2025-10-08 ValidFAA registration status code V: Valid registration. All codes
N287BW Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-10-07 ValidFAA registration status code V: Valid registration. All codes
N6928P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-10-07 ValidFAA registration status code V: Valid registration. All codes
N47U Cessna
R182
Fixed-wing, single engine Aleco 182 LLC
Vestavia Hills, Alabama
Standard 2025-10-06 ValidFAA registration status code V: Valid registration. All codes
N4907P Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2025-10-06 ValidFAA registration status code V: Valid registration. All codes
N50CX Cessna
R182
Fixed-wing, single engine Individual owner
New Mexico
Standard 2025-10-06 ValidFAA registration status code V: Valid registration. All codes
N9160W Piper
PA-28-235
Fixed-wing, single engine American Aviator LLC
Arlington, Texas
Standard 2025-10-06 ValidFAA registration status code V: Valid registration. All codes
N6128T Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2025-10-04 ValidFAA registration status code V: Valid registration. All codes
N4661T Cessna
R182
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2025-10-03 ValidFAA registration status code V: Valid registration. All codes
N6147M Maule
M-5-235C
Fixed-wing, single engine Six One North LLC
Anchorage, Alaska
Multiple 2025-10-03 ValidFAA registration status code V: Valid registration. All codes
N8619P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Idaho
Standard 2025-10-03 ValidFAA registration status code V: Valid registration. All codes
N5012R Cessna
R182
Fixed-wing, single engine Wolfenden Enterprises INC
Vero Beach, Florida
Standard 2025-10-02 ValidFAA registration status code V: Valid registration. All codes
N756UE Cessna
TR182
Fixed-wing, single engine 756Ue LLC
Kalispell, Montana
Standard 2025-09-30 ValidFAA registration status code V: Valid registration. All codes
N7929P Piper
PA-24-250
Fixed-wing, single engine Smh Aviation LLC
Johnstown, Colorado
Standard 2025-09-30 ValidFAA registration status code V: Valid registration. All codes
N8211J Piper
PA-28-236
Fixed-wing, single engine Wjb INC
Harrisburg, Arkansas
Standard 2025-09-29 ValidFAA registration status code V: Valid registration. All codes
N20RD Maule
MT-7-260
Fixed-wing, single engine Individual owner
Texas
Standard 2025-09-28 ValidFAA registration status code V: Valid registration. All codes
N7618P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-09-28 ValidFAA registration status code V: Valid registration. All codes
N15208 Piper
PA-28-235
Fixed-wing, single engine Colorado Northwestern Community College
Rangely, Colorado
Standard 2025-09-27 ValidFAA registration status code V: Valid registration. All codes
N29BJ Piper
PA-24-250
Fixed-wing, single engine Max Total Time LLC
Lufkin, Texas
Standard 2025-09-27 ValidFAA registration status code V: Valid registration. All codes
N41364 Piper
PA-28-235
Fixed-wing, single engine
Standard 2025-09-26 ValidFAA registration status code V: Valid registration. All codes
N4938T Cessna
TR182
Fixed-wing, single engine Tilney Five LLC
Belleair, Florida
Standard 2025-09-26 ValidFAA registration status code V: Valid registration. All codes
N8220P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-09-25 ValidFAA registration status code V: Valid registration. All codes
N8830L Piper
PA-25-235
Fixed-wing, single engine Individual owner
Pennsylvania
Restricted 2025-09-25 ValidFAA registration status code V: Valid registration. All codes
N8950W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Idaho
Standard 2025-09-25 ValidFAA registration status code V: Valid registration. All codes
N3356W Piper
PA-32-260
Fixed-wing, single engine Five Six Whiskey LLC
Plainfield, Indiana
Standard 2025-09-24 ValidFAA registration status code V: Valid registration. All codes
N4301L Piper
PA-28-235
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2025-09-24 ValidFAA registration status code V: Valid registration. All codes
N8391P Piper
PA-24-250
Fixed-wing, single engine Clare Enterprises LLC
Edina, Minnesota
Standard 2025-09-24 ValidFAA registration status code V: Valid registration. All codes
N353SP Cessna
R182
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-09-23 ValidFAA registration status code V: Valid registration. All codes
N6823P Piper
PA-24-250
Fixed-wing, single engine Individual owner
South Dakota
Standard 2025-09-23 ValidFAA registration status code V: Valid registration. All codes
N10480 Piper
PA-32-260
Fixed-wing, single engine Piper 66 LLC
Kirksville, Missouri
Standard 2025-09-22 ValidFAA registration status code V: Valid registration. All codes
N8105P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2025-09-19 ValidFAA registration status code V: Valid registration. All codes
N1757R Cessna
R182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-09-18 ValidFAA registration status code V: Valid registration. All codes
N8705W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2025-09-18 ValidFAA registration status code V: Valid registration. All codes
N9481W Piper
PA-28-235
Fixed-wing, single engine Individual owner
North Carolina
Standard 2025-09-17 ValidFAA registration status code V: Valid registration. All codes
N9869C Cessna
R182
Fixed-wing, single engine Southern Star Holdings LLC
Safety Harbor, Florida
Standard 2025-09-17 ValidFAA registration status code V: Valid registration. All codes
N236SH Piper
PA-28-236
Fixed-wing, single engine Air 2 Sea LLC
Martin, Tennessee
Standard 2025-09-16 ValidFAA registration status code V: Valid registration. All codes
N3590W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2025-09-16 ValidFAA registration status code V: Valid registration. All codes
N8536N Piper
PA-28-235
Fixed-wing, single engine Individual owner
Montana
Standard 2025-09-16 ValidFAA registration status code V: Valid registration. All codes
N8626W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Maine
Standard 2025-09-16 ValidFAA registration status code V: Valid registration. All codes
N279LG Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
New York
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N5557P Piper
PA-24-250
Fixed-wing, single engine N5557P Delta Charlie Aviation INC
Rockwall, Texas
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N8511P Piper
PA-24-400
Fixed-wing, single engine Individual owner
Texas
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N8623W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N8858W Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N9143W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Colorado
Standard 2025-09-15 ValidFAA registration status code V: Valid registration. All codes
N403FD Agusta Spa
F.260D
Fixed-wing, single engine Individual owner
California
Standard 2025-09-12 ValidFAA registration status code V: Valid registration. All codes
N3609W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Florida
Standard 2025-09-11 ValidFAA registration status code V: Valid registration. All codes
N5320Y Piper
PA-23-250
Fixed-wing, multi-engine Rawareo LLC
Warsaw, Missouri
Standard 2025-09-11 ValidFAA registration status code V: Valid registration. All codes
N8752W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2025-09-11 ValidFAA registration status code V: Valid registration. All codes
N144RP Robinson Helicopter
R44
Helicopter Benrud Aviation LLC
Rice, Minnesota
Standard 2025-09-06 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.