The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 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.

When the aircraft were built by decade

By decade built, as a table
aircraft
19404
1950428
19601,898
19701,491
1980521
1990132
2000123
20106
202011

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

The design is held under 1 type certificate (E-295, held by Lycoming Engines). The FAA has issued 28 airworthiness directives (orders that owners must comply with) that name 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.

FAA orders 28 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
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2012-10-242012-19-01 · Crankshafts · engine

All orders naming the Lycoming O-540 series

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

01530466195000510152025126
Failure reports by year, as a table
reports
9514
9626
975
9811
992
0015
0120
0261
0318
0425
0513
0618
0712
083
094
1011
114
125
136
143
157
161
171
183
194
203
211
223
231
242
251
261

Parts most often reported as the reports name them

Magneto11Light10Carburetor8Line8Clamp7Pin7Valve7Boot6Bulkhead6Hose6
Parts most reported, as a table
reports
Magneto11
Light10
Carburetor8
Line8
Clamp7
Pin7
Valve7
Boot6
Bulkhead6
Hose6

Latest reports

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

Certificates and bulletins

E-295Type certificate held by Lycoming Engines · 47 models listed · revised April 30, 2013

Safety bulletins 10 · 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,...
2011-03-31NE-08-26R3 · Magneto/Distributor

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

The whole map of how records connect · these connections as data: /graph/engine/lycoming-o-540-series.json.

Aircraft newest certificates first · 5,244

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N1747R Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2013-05-10 ValidFAA registration status code V: Valid registration. All codes
N243CG Piper
PA-25-235
Fixed-wing, single engine Tampa Bay Soaring Society
Zephyrhills, Florida
Restricted 2013-05-08 ValidFAA registration status code V: Valid registration. All codes
N3383W Piper
PA-32-260
Fixed-wing, single engine Four Dudes Flying LLC
Cabot, Arkansas
Standard 2013-05-08 ValidFAA registration status code V: Valid registration. All codes
N5312P Piper
PA-24-250
Fixed-wing, single engine Malolo LLC
San Luis Obispo, California
Standard 2013-05-02 ValidFAA registration status code V: Valid registration. All codes
N61FD Siai Marchetti
F.260C
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2013-04-15 ValidFAA registration status code V: Valid registration. All codes
N242P Piper
PA-28-235
Fixed-wing, single engine Individual owner
Kansas
Standard 2013-04-12 ValidFAA registration status code V: Valid registration. All codes
N625BG Piper
PA-28-236
Fixed-wing, single engine N625Bg LLC
North Muskegon, Michigan
Standard 2013-04-12 ValidFAA registration status code V: Valid registration. All codes
N9305W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nebraska
Standard 2013-04-08 ValidFAA registration status code V: Valid registration. All codes
N5344Y Piper
PA-23-250
Fixed-wing, multi-engine Merced County Mosquito Abatement District
Merced, California
Standard 2013-04-04 ValidFAA registration status code V: Valid registration. All codes
N6382S Cessna
TR182
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2013-03-28 ValidFAA registration status code V: Valid registration. All codes
N5635N Maule
M-5-235C
Fixed-wing, single engine Individual owner
California
Standard 2013-03-26 ValidFAA registration status code V: Valid registration. All codes
N4160C Cessna
R182
Fixed-wing, single engine Newman Holdings LLC
Dallas, Texas
Standard 2013-03-15 ValidFAA registration status code V: Valid registration. All codes
N8137A Piper
PA-28-236
Fixed-wing, single engine Kastengren David A
Cherokee, Iowa
Standard 2013-03-15 ValidFAA registration status code V: Valid registration. All codes
N2179Z Piper
PA-28-236
Fixed-wing, single engine Individual owner
California
Standard 2013-03-14 ValidFAA registration status code V: Valid registration. All codes
N4980T Cessna
TR182
Fixed-wing, single engine Adams Aviation Services INC Trustee
Wilmington, Delaware
Standard 2013-03-14 ValidFAA registration status code V: Valid registration. All codes
N777EE Piper
PA-24-250
Fixed-wing, single engine Dga Aviation LLC
Sacramento, California
Standard 2013-03-12 ValidFAA registration status code V: Valid registration. All codes
N44780 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Tennessee
Standard 2013-03-07 ValidFAA registration status code V: Valid registration. All codes
N5709P Piper
PA-24-250
Fixed-wing, single engine Saadjack LLC
Amelia Island, Florida
Standard 2013-03-06 ValidFAA registration status code V: Valid registration. All codes
N8620W Piper
PA-28-235
Fixed-wing, single engine Purcell Holdings Lc
Tremonton, Utah
Standard 2013-03-05 ValidFAA registration status code V: Valid registration. All codes
N6853P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2013-03-04 ValidFAA registration status code V: Valid registration. All codes
N2263T Cessna
R182
Fixed-wing, single engine United States Air Force
Dover Afb, Delaware
Standard 2013-03-01 ValidFAA registration status code V: Valid registration. All codes
N9101W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
California
Standard 2013-02-22 ValidFAA registration status code V: Valid registration. All codes
N410PB Bennett Charles P Iii
RV-10
Fixed-wing, single engine Individual owner
Washington
Experimental 2013-02-21 ValidFAA registration status code V: Valid registration. All codes
N5041R Cessna
TR182
Fixed-wing, single engine Bdc Products INC
Glendale, Arizona
Standard 2013-02-21 ValidFAA registration status code V: Valid registration. All codes
N8287P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2013-02-21 ValidFAA registration status code V: Valid registration. All codes
N7192U Robinson Helicopter
R44
Helicopter Red Hawk Aviation LLC
Allegan, Michigan
Standard 2013-02-20 ValidFAA registration status code V: Valid registration. All codes
N2635C Cessna
R182
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2013-02-19 ValidFAA registration status code V: Valid registration. All codes
N5533P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Indiana
Standard 2013-02-07 ValidFAA registration status code V: Valid registration. All codes
N5540J Piper
PA-32-260
Fixed-wing, single engine Lesser Antilles CORP Trustee
Wilmington, Delaware
Standard 2013-01-29 ValidFAA registration status code V: Valid registration. All codes
N756TK Cessna
R182
Fixed-wing, single engine G & M Aircraft INC
Wheat Ridge, Colorado
Standard 2013-01-28 ValidFAA registration status code V: Valid registration. All codes
N8070P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Tennessee
Standard 2013-01-25 ValidFAA registration status code V: Valid registration. All codes
N2955Q Piper
PA-28-236
Fixed-wing, single engine Aussieyank Air LLC
Reno, Nevada
Standard 2013-01-24 ValidFAA registration status code V: Valid registration. All codes
N4902S Cessna
TR182
Fixed-wing, single engine Bbsa Flight LLC
Tucson, Arizona
Standard 2013-01-23 ValidFAA registration status code V: Valid registration. All codes
N6160M Maule
M-5-235C
Fixed-wing, single engine Individual owner
California
Standard 2013-01-18 ValidFAA registration status code V: Valid registration. All codes
N5532P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Oregon
Standard 2013-01-16 ValidFAA registration status code V: Valid registration. All codes
N6551P Piper
PA-24-250
Fixed-wing, single engine Wsv Aero INC
Wilmington, Delaware
Standard 2013-01-15 ValidFAA registration status code V: Valid registration. All codes
N6447P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Washington
Standard 2013-01-10 ValidFAA registration status code V: Valid registration. All codes
N945TA Siai-Marchetti
F.260B
Fixed-wing, single engine Dms Aviation Services LLC
Wildwood, Missouri
Experimental 2013-01-10 ValidFAA registration status code V: Valid registration. All codes
N324SV Cessna
R182
Fixed-wing, single engine Individual owner
Texas
Standard 2013-01-09 ValidFAA registration status code V: Valid registration. All codes
N6188T Cessna
TR182
Fixed-wing, single engine Vargon LLC
Towson, Maryland
Standard 2013-01-08 ValidFAA registration status code V: Valid registration. All codes
N756QX Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2013-01-08 ValidFAA registration status code V: Valid registration. All codes
N44777 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Michigan
Standard 2013-01-04 ValidFAA registration status code V: Valid registration. All codes
N294BJ Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2013-01-02 ValidFAA registration status code V: Valid registration. All codes
N5838P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Texas
Standard 2012-12-27 ValidFAA registration status code V: Valid registration. All codes
N4881S Piper
PA-32-260
Fixed-wing, single engine Individual owner
California
Standard 2012-12-12 ValidFAA registration status code V: Valid registration. All codes
N7330P Piper
PA-24-250
Fixed-wing, single engine Genpack LLC
Hillsdale, New Jersey
Standard 2012-12-12 ValidFAA registration status code V: Valid registration. All codes
N84478 Piper
PA-28-236
Fixed-wing, single engine Shg Holdings LLC
Greer, South Carolina
Standard 2012-11-30 ValidFAA registration status code V: Valid registration. All codes
N54915 Piper
PA-25-235
Fixed-wing, single engine Mohawk Soaring Club INC
Hoosick Falls, New York
Standard 2012-11-16 ValidFAA registration status code V: Valid registration. All codes
N98CT Piper
PA-32-260
Fixed-wing, single engine Individual owner
California
Standard 2012-11-15 ValidFAA registration status code V: Valid registration. All codes
N3386W Piper
PA-32-260
Fixed-wing, single engine Transwestern Air Service INC
Golden, Colorado
Standard 2012-11-09 ValidFAA registration status code V: Valid registration. All codes
N4394T Piper
PA-32-260
Fixed-wing, single engine Linden'S Aviation LLC
Lagrange, Ohio
Standard 2012-11-09 ValidFAA registration status code V: Valid registration. All codes
N6654P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2012-11-02 ValidFAA registration status code V: Valid registration. All codes
N7460Z Piper
PA-25-235
Fixed-wing, single engine Simmons Aviation Services LLC
Pawcatuck, Connecticut
Restricted 2012-10-30 ValidFAA registration status code V: Valid registration. All codes
N7925P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Indiana
Standard 2012-10-24 ValidFAA registration status code V: Valid registration. All codes
N5545T Cessna
R182
Fixed-wing, single engine Moody Bible Institute of Chicago
Spokane, Washington
Standard 2012-10-22 ValidFAA registration status code V: Valid registration. All codes
N8294H Callair
A-9
Fixed-wing, single engine Sidney Aviation LLC
Sidney, Nebraska
Restricted 2012-10-17 ValidFAA registration status code V: Valid registration. All codes
N61KG Robinson Helicopter
R44
Helicopter 2 G Group LLC
Honolulu, Hawaii
Standard 2012-10-16 ValidFAA registration status code V: Valid registration. All codes
N8825W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Florida
Standard 2012-10-04 ValidFAA registration status code V: Valid registration. All codes
N6937Z Piper
PA-25-235
Fixed-wing, single engine Stewarts Aircraft Service INC
Waynesville, Ohio
Restricted 2012-10-03 ValidFAA registration status code V: Valid registration. All codes
N7713P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kansas
Standard 2012-10-03 ValidFAA registration status code V: Valid registration. All codes
N41787 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2012-10-02 ValidFAA registration status code V: Valid registration. All codes
N8110P Piper
PA-24-250
Fixed-wing, single engine Blue Sky Technologies INC
Laramie, Wyoming
Standard 2012-10-01 ValidFAA registration status code V: Valid registration. All codes
N7781Z Piper
PA-25-235
Fixed-wing, single engine Brandywine Soaring Association
Hockessin, Delaware
Restricted 2012-09-17 ValidFAA registration status code V: Valid registration. All codes
N7266P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2012-09-13 ValidFAA registration status code V: Valid registration. All codes
N4486Y Piper
PA-25-235
Fixed-wing, single engine Quality Aviation INC
Marana, Arizona
Restricted 2012-09-12 ValidFAA registration status code V: Valid registration. All codes
N6888P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Washington
Standard 2012-09-06 ValidFAA registration status code V: Valid registration. All codes
N9531K Piper
PA-28-235
Fixed-wing, single engine Individual owner
Georgia
Standard 2012-09-06 ValidFAA registration status code V: Valid registration. All codes
N6007C Cessna
R182
Fixed-wing, single engine Individual owner
Colorado
Standard 2012-09-05 ValidFAA registration status code V: Valid registration. All codes
N156DS Maule
M-7-235B
Fixed-wing, single engine Individual owner
California
Standard 2012-08-30 ValidFAA registration status code V: Valid registration. All codes
N8673P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Utah
Standard 2012-08-30 ValidFAA registration status code V: Valid registration. All codes
N7028Z Piper
PA-25-235
Fixed-wing, single engine Quality Aviation INC
Marana, Arizona
Restricted 2012-08-28 ValidFAA registration status code V: Valid registration. All codes
N7374Z Piper
PA-25-235
Fixed-wing, single engine Quality Aviation INC
Marana, Arizona
Restricted 2012-08-28 ValidFAA registration status code V: Valid registration. All codes
N9177W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nebraska
Standard 2012-08-28 ValidFAA registration status code V: Valid registration. All codes
N7749J Piper
PA-32-260
Fixed-wing, single engine Kokomo Aviation INC
Boynton Beach, Florida
Standard 2012-08-27 ValidFAA registration status code V: Valid registration. All codes
N101NE Britten-Norman
BN-2A
Fixed-wing, multi-engine Darby Flying CORP
Homestead, Florida
Standard 2012-08-20 ValidFAA registration status code V: Valid registration. All codes
N3053A Piper
PA-28-236
Fixed-wing, single engine Individual owner
Alabama
Standard 2012-08-20 ValidFAA registration status code V: Valid registration. All codes
N5454P Piper
PA-24-250
Fixed-wing, single engine Rio Grande Flying Association INC
Center, Colorado
Standard 2012-08-16 ValidFAA registration status code V: Valid registration. All codes
N625PM Cessna
TR182
Fixed-wing, single engine Individual owner
Mississippi
Standard 2012-08-16 ValidFAA registration status code V: Valid registration. All codes
N7570Z Piper
PA-25-235
Fixed-wing, single engine Co-owned owner
Missouri
Restricted 2012-08-14 ValidFAA registration status code V: Valid registration. All codes
N16313 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Tennessee
Standard 2012-08-09 ValidFAA registration status code V: Valid registration. All codes
N757DC Cessna
R182
Fixed-wing, single engine Leon Hinkle LLC
Fort Ashby, West Virginia
Standard 2012-08-09 ValidFAA registration status code V: Valid registration. All codes
N4342N Piper
PA-28-236
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-08-07 ValidFAA registration status code V: Valid registration. All codes
N5305P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2012-08-07 ValidFAA registration status code V: Valid registration. All codes
N7308Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2012-08-01 ValidFAA registration status code V: Valid registration. All codes
N144RF Robinson Helicopter
R44
Helicopter Rio Farms LLC
King City, California
Standard 2012-07-30 ValidFAA registration status code V: Valid registration. All codes
N3488W Piper
PA-32-260
Fixed-wing, single engine Liberty University School of Aeronautics
Lynchburg, Virginia
Standard 2012-07-30 ValidFAA registration status code V: Valid registration. All codes
N280GA Gippsland
GA200
Fixed-wing, single engine Cavanaugh Flying Service INC
Minden, Nebraska
Restricted 2012-07-27 ValidFAA registration status code V: Valid registration. All codes
N8035P Piper
PA-24-250
Fixed-wing, single engine Kohler Richard L
Moriarty, New Mexico
Standard 2012-07-27 ValidFAA registration status code V: Valid registration. All codes
N6019P Piper
PA-24-250
Fixed-wing, single engine N6019P LLC
Washington, District of Columbia
Standard 2012-07-25 ValidFAA registration status code V: Valid registration. All codes
N19SD Maule
M-5-235C
Fixed-wing, single engine Individual owner
Montana
Standard 2012-07-19 ValidFAA registration status code V: Valid registration. All codes
N7341Y Cessna
R182
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-07-16 ValidFAA registration status code V: Valid registration. All codes
N3950W Piper
PA-32-260
Fixed-wing, single engine Qctr Parts LLC
Big Rapids, Michigan
Standard 2012-07-13 ValidFAA registration status code V: Valid registration. All codes
N8760W Piper
PA-28-235
Fixed-wing, single engine Carlsbad Raceway CORP
Hemet, California
Standard 2012-07-12 ValidFAA registration status code V: Valid registration. All codes
N18NJ Cessna
R182
Fixed-wing, single engine Tennessee Dept of Saftey & Homeland Security
Nashville, Tennessee
Standard 2012-07-06 ValidFAA registration status code V: Valid registration. All codes
N3661W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-07-02 ValidFAA registration status code V: Valid registration. All codes
N8091P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2012-06-26 ValidFAA registration status code V: Valid registration. All codes
N24EL Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2012-06-25 ValidFAA registration status code V: Valid registration. All codes
N262AL Cessna
R182
Fixed-wing, single engine Dale County Sheriffs Office
Ozark, Alabama
Standard 2012-06-25 ValidFAA registration status code V: Valid registration. All codes
N828BC Cessna
TR182
Fixed-wing, single engine Individual owner
Tennessee
Standard 2012-06-19 ValidFAA registration status code V: Valid registration. All codes
N97UP Robinson Helicopter
R44
Helicopter Mf Helicopters LLC
East Troy, Wisconsin
Restricted 2012-06-18 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 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.