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
N8127H Piper
PA-28-236
Fixed-wing, single engine Individual owner
Alabama
Standard 2025-05-27 ValidFAA registration status code V: Valid registration. All codes
N9846P Piper
PA-25-260
Fixed-wing, single engine Kenmore Crew Leasing INC Trustee
Bellingham, Washington
Restricted 2025-05-27 ValidFAA registration status code V: Valid registration. All codes
N787PC Cessna
TR182
Fixed-wing, single engine Livingtofly1 LLC
Ball Ground, Georgia
Standard 2025-05-24 ValidFAA registration status code V: Valid registration. All codes
N8531N Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
West Virginia
Standard 2025-05-23 ValidFAA registration status code V: Valid registration. All codes
N3493W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Arkansas
Standard 2025-05-22 ValidFAA registration status code V: Valid registration. All codes
N58GS Cessna
R182
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-05-22 ValidFAA registration status code V: Valid registration. All codes
N728BL Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2025-05-22 ValidFAA registration status code V: Valid registration. All codes
N4315T Piper
PA-32-260
Fixed-wing, single engine Community Health Alliance
Fairfield, Ohio
Standard 2025-05-20 ValidFAA registration status code V: Valid registration. All codes
N4763S Cessna
TR182
Fixed-wing, single engine Violet Hill LLC
Washington, Utah
Standard 2025-05-19 ValidFAA registration status code V: Valid registration. All codes
N7355P Piper
PA-24-250
Fixed-wing, single engine Go Fly Az LLC
Gilbert, Arizona
Standard 2025-05-16 ValidFAA registration status code V: Valid registration. All codes
N1239P Piper
PA-28-236
Fixed-wing, single engine Pinellas Pilots Association INC
Clearwater, Florida
Standard 2025-05-15 ValidFAA registration status code V: Valid registration. All codes
N2277S Cessna
TR182
Fixed-wing, single engine Individual owner
Florida
Standard 2025-05-15 ValidFAA registration status code V: Valid registration. All codes
N46M Piper
PA-24-250
Fixed-wing, single engine Individual owner
Colorado
Standard 2025-05-15 ValidFAA registration status code V: Valid registration. All codes
N58SX Huizenga Michael K
SX-300
Fixed-wing, single engine Individual owner
Virginia
Experimental 2025-05-15 ValidFAA registration status code V: Valid registration. All codes
N5775P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-05-14 ValidFAA registration status code V: Valid registration. All codes
N8168P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Connecticut
Standard 2025-05-14 ValidFAA registration status code V: Valid registration. All codes
N3351W Piper
PA-32-260
Fixed-wing, single engine Withheld at owner's request
Standard 2025-05-13 ValidFAA registration status code V: Valid registration. All codes
N8999W Piper
PA-28-235
Fixed-wing, single engine Eagle Air LLC
Red Bud, Illinois
Standard 2025-05-13 ValidFAA registration status code V: Valid registration. All codes
N38204 Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2025-05-12 ValidFAA registration status code V: Valid registration. All codes
N395MA Piper
PA-28-236
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-05-09 ValidFAA registration status code V: Valid registration. All codes
N635MM Cessna
TR182
Fixed-wing, single engine Hsp Holdings LLC
Farmington, New Mexico
Standard 2025-05-09 ValidFAA registration status code V: Valid registration. All codes
N7010P Piper
PA-24-250
Fixed-wing, single engine Juliett Tango LLC
West Rutland, Vermont
Standard 2025-05-09 ValidFAA registration status code V: Valid registration. All codes
N245DM Piper
PA-28-235
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-05-08 ValidFAA registration status code V: Valid registration. All codes
N3906W Piper
PA-32-260
Fixed-wing, single engine Withheld at owner's request
Standard 2025-05-08 ValidFAA registration status code V: Valid registration. All codes
N616HT Piper
PA-28-236
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-05-08 ValidFAA registration status code V: Valid registration. All codes
N8796W Piper
PA-28-235
Fixed-wing, single engine Withheld at owner's request
Standard 2025-05-07 ValidFAA registration status code V: Valid registration. All codes
N1331L Piper
PA-28-236
Fixed-wing, single engine First Response Anesthesia INC
Washington, Utah
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N235FS Maule
M-7-235
Fixed-wing, single engine Individual owner
California
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N3023D Piper
PA-28-236
Fixed-wing, single engine Individual owner
New Jersey
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N332CV Piper
PA-32R-301
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N34DW Cessna
R182
Fixed-wing, single engine Darvis Enterprises LLC
Addison, Texas
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N723M Maule
M-7-235B
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-05-06 ValidFAA registration status code V: Valid registration. All codes
N4364W Piper
PA-28-236
Fixed-wing, single engine Individual owner
New York
Standard 2025-05-05 ValidFAA registration status code V: Valid registration. All codes
N6711Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Oklahoma
Restricted 2025-05-05 ValidFAA registration status code V: Valid registration. All codes
N430DB Cessna
R182
Fixed-wing, single engine Ikard James C
Shelbyville, Tennessee
Standard 2025-05-02 ValidFAA registration status code V: Valid registration. All codes
N3680W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-05-01 ValidFAA registration status code V: Valid registration. All codes
N5674P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-05-01 ValidFAA registration status code V: Valid registration. All codes
N6552P Piper
PA-24-250
Fixed-wing, single engine Syc Holdings LLC
Missoula, Montana
Standard 2025-05-01 ValidFAA registration status code V: Valid registration. All codes
N9112W Piper
PA-28-235
Fixed-wing, single engine Cherokee N9112W LLC
Boise, Idaho
Standard 2025-04-29 ValidFAA registration status code V: Valid registration. All codes
N9851C Cessna
R182
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2025-04-29 ValidFAA registration status code V: Valid registration. All codes
N333HA Cessna
TR182
Fixed-wing, single engine Individual owner
Ohio
Standard 2025-04-28 ValidFAA registration status code V: Valid registration. All codes
N789WM Ragle Wesley R
BEARHAWK 4-PLACE
Fixed-wing, single engine Withheld at owner's request
Experimental 2025-04-28 ValidFAA registration status code V: Valid registration. All codes
N717E Maule
M-7-235B
Fixed-wing, single engine Individual owner
Alaska
Standard 2025-04-22 ValidFAA registration status code V: Valid registration. All codes
N3618C Cessna
R182
Fixed-wing, single engine Individual owner
Alabama
Standard 2025-04-21 ValidFAA registration status code V: Valid registration. All codes
N82119 Piper
PA-28-236
Fixed-wing, single engine Individual owner
Idaho
Standard 2025-04-21 ValidFAA registration status code V: Valid registration. All codes
N7207P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arkansas
Standard 2025-04-18 ValidFAA registration status code V: Valid registration. All codes
N9430W Piper
PA-28-235
Fixed-wing, single engine 3Zero Whiskey LLC
Newport Beach, California
Standard 2025-04-18 ValidFAA registration status code V: Valid registration. All codes
N7741J Piper
PA-32-260
Fixed-wing, single engine Piper Mac 3 LLC
Dover, Delaware
Standard 2025-04-17 ValidFAA registration status code V: Valid registration. All codes
N103AS Cessna
TR182
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2025-04-16 ValidFAA registration status code V: Valid registration. All codes
N932JM Cessna
T182
Fixed-wing, single engine Tacos On Wheels LLC
El Paso, Texas
Standard 2025-04-16 ValidFAA registration status code V: Valid registration. All codes
N999VH Maule
M-7-235C
Fixed-wing, single engine Mike Charlie INC
Lewes, Delaware
Standard 2025-04-16 ValidFAA registration status code V: Valid registration. All codes
N739JH Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-04-15 ValidFAA registration status code V: Valid registration. All codes
N9201W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
West Virginia
Standard 2025-04-14 ValidFAA registration status code V: Valid registration. All codes
N82631 Piper
PA-28-236
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-04-12 ValidFAA registration status code V: Valid registration. All codes
N55SF Cessna
TR182
Fixed-wing, single engine Withheld at owner's request
Standard 2025-04-09 ValidFAA registration status code V: Valid registration. All codes
N65268 Cessna
R182
Fixed-wing, single engine Individual owner
Minnesota
Standard 2025-04-08 ValidFAA registration status code V: Valid registration. All codes
N6860P Piper
PA-24-250
Fixed-wing, single engine Withheld at owner's request
Standard 2025-04-08 ValidFAA registration status code V: Valid registration. All codes
N8708W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Multiple 2025-04-07 ValidFAA registration status code V: Valid registration. All codes
N1643H Piper
PA-32-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-04-02 ValidFAA registration status code V: Valid registration. All codes
N586JD Dunn James W
GLASAIR I
Fixed-wing, single engine Carlin Becker Enterprises LLC
Seneca, Kansas
Experimental 2025-04-02 ValidFAA registration status code V: Valid registration. All codes
N756RN Cessna
TR182
Fixed-wing, single engine Crossbrook LLC
Willoughby, Ohio
Standard 2025-04-02 ValidFAA registration status code V: Valid registration. All codes
N5598J Piper
PA-32-260
Fixed-wing, single engine Makfly LLC
Chardon, Ohio
Standard 2025-04-01 ValidFAA registration status code V: Valid registration. All codes
N7448P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-03-31 ValidFAA registration status code V: Valid registration. All codes
N756SE Cessna
TR182
Fixed-wing, single engine Notus LLC
Winfield, Kansas
Standard 2025-03-31 ValidFAA registration status code V: Valid registration. All codes
N7048P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Ohio
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N8181H Piper
PA-28-236
Fixed-wing, single engine Lao Investments LLC
Meeker, Colorado
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N6952H Cessna
T182
Fixed-wing, single engine Co-owned owner
California
Standard 2025-03-26 ValidFAA registration status code V: Valid registration. All codes
N5076R Cessna
TR182
Fixed-wing, single engine Stable Approach Aviation LLC
Vestavia, Alabama
Standard 2025-03-25 ValidFAA registration status code V: Valid registration. All codes
N5304S Cessna
TR182
Fixed-wing, single engine Windward Air LLC
Janesville, Wisconsin
Standard 2025-03-25 ValidFAA registration status code V: Valid registration. All codes
N131AB Piper
PA-25-235
Fixed-wing, single engine Plane and Simple Leasing LLC
Delano, Minnesota
Multiple 2025-03-24 ValidFAA registration status code V: Valid registration. All codes
N386AB Piper
PA-25-235
Fixed-wing, single engine Plane and Simple Leasing LLC
Delano, Minnesota
Standard 2025-03-24 ValidFAA registration status code V: Valid registration. All codes
N3467W Piper
PA-32-260
Fixed-wing, single engine Robinhood Aero LLC
Southaven, Mississippi
Standard 2025-03-22 ValidFAA registration status code V: Valid registration. All codes
N8903L Piper
PA-25-235
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Restricted 2025-03-21 ValidFAA registration status code V: Valid registration. All codes
N563PR Piper
PA-32-260
Fixed-wing, single engine Pope County Aviation LLC
Russellville, Arkansas
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N5865P Piper
PA-24-250
Fixed-wing, single engine Ll Aviation LLC
Saint Joseph, Missouri
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N65194 Piper
PA-32-260
Fixed-wing, single engine Vliegen LLC
Urbandale, Iowa
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N3635W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Iowa
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N3675W Piper
PA-32-260
Fixed-wing, single engine Wilson AG Consulting LLC
Boise, Idaho
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N8551N Piper
PA-28-235
Fixed-wing, single engine
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N8831W Piper
PA-28-235
Fixed-wing, single engine Forbes Aviation LLC
Boise, Idaho
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N1672R Cessna
R182
Fixed-wing, single engine Co-owned owner
California
Standard 2025-03-18 ValidFAA registration status code V: Valid registration. All codes
N2296T Cessna
R182
Fixed-wing, single engine Withheld at owner's request
Standard 2025-03-18 ValidFAA registration status code V: Valid registration. All codes
N6799P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2025-03-18 ValidFAA registration status code V: Valid registration. All codes
N737TA Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-18 ValidFAA registration status code V: Valid registration. All codes
N5264P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2025-03-17 ValidFAA registration status code V: Valid registration. All codes
N55613 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nebraska
Standard 2025-03-14 ValidFAA registration status code V: Valid registration. All codes
N7052P Piper
PA-24-250
Fixed-wing, single engine Flying Great Danes LLC
Chesapeake, Virginia
Standard 2025-03-13 ValidFAA registration status code V: Valid registration. All codes
N9222W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-13 ValidFAA registration status code V: Valid registration. All codes
N8HC Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-12 ValidFAA registration status code V: Valid registration. All codes
N30AG Maule
M-7-235
Fixed-wing, single engine Alaskan Outdoors LLC
Soldotna, Alaska
Multiple 2025-03-11 ValidFAA registration status code V: Valid registration. All codes
N79MR Cessna
TR182
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-03-11 ValidFAA registration status code V: Valid registration. All codes
N35659 Piper
PA-32-300
Fixed-wing, single engine Steele Aviation INC
Walnut Cove, North Carolina
Standard 2025-03-10 ValidFAA registration status code V: Valid registration. All codes
N775MS Cessna
TR182
Fixed-wing, single engine Skinner Leasing LLC
Medford, Oregon
Standard 2025-03-10 ValidFAA registration status code V: Valid registration. All codes
N8389P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-10 ValidFAA registration status code V: Valid registration. All codes
N7577P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Alabama
Standard 2025-03-09 ValidFAA registration status code V: Valid registration. All codes
N8527W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Georgia
Standard 2025-03-09 ValidFAA registration status code V: Valid registration. All codes
N5693P Piper
PA-24-250
Fixed-wing, single engine Bays Aviation LLC
Boerne, Texas
Standard 2025-03-08 ValidFAA registration status code V: Valid registration. All codes
N944BA Robinson Helicopter
R44
Helicopter Latitude 18 Helicopters LLC
Lewes, Delaware
Standard 2025-03-08 ValidFAA registration status code V: Valid registration. All codes
N38226 Piper
PA-32-300
Fixed-wing, single engine Martinex Aviation LLC
Wentzville, Missouri
Standard 2025-03-07 ValidFAA registration status code V: Valid registration. All codes
N2843D Piper
PA-28-236
Fixed-wing, single engine Individual owner
Kentucky
Standard 2025-03-06 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.