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
N100LG Piper
PA-28-236
Fixed-wing, single engine Flyd Pipers INC
Dyer, Indiana
Standard 2021-08-23 ValidFAA registration status code V: Valid registration. All codes
N56286 Maule
M-5-235C
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-08-23 ValidFAA registration status code V: Valid registration. All codes
N3309C Cessna
R182
Fixed-wing, single engine Individual owner
Texas
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N541BS Cessna
TR182
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N6374P Piper
PA-24-250
Fixed-wing, single engine Bts Prime Ventures LLC
Ramona, California
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N8336X Robinson Helicopter
R44
Helicopter Individual owner
California
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N6734P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2021-08-20 ValidFAA registration status code V: Valid registration. All codes
N8323Z Piper
PA-28-236
Fixed-wing, single engine Chapman Farms INC
Vernon, Colorado
Standard 2021-08-20 ValidFAA registration status code V: Valid registration. All codes
N1765R Cessna
R182
Fixed-wing, single engine Plane Pro Aviation LLC
Shelby, North Carolina
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N5473P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N6263P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N5360P Piper
PA-24-250
Fixed-wing, single engine N5360P LLC
Blacklick, Ohio
Standard 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N755MC Cessna
R182
Fixed-wing, single engine Individual owner
Tennessee
Standard 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N3374W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N3412W Piper
PA-32-260
Fixed-wing, single engine N3412W LLC
Lithia, Florida
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N7568T Cessna
R182
Fixed-wing, single engine Tomu Flyii LLC
Vero Beach, Florida
Standard 2021-08-13 ValidFAA registration status code V: Valid registration. All codes
N6959P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kansas
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N6236P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-08-11 ValidFAA registration status code V: Valid registration. All codes
N4754S Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N5729P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N488P Piper
PA-28-140
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2021-08-05 ValidFAA registration status code V: Valid registration. All codes
N9391W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-08-05 ValidFAA registration status code V: Valid registration. All codes
N4965 Gill Christopher S
MURPHY SR2500
Fixed-wing, single engine Individual owner
Alaska
Experimental 2021-08-03 ValidFAA registration status code V: Valid registration. All codes
N9834C Cessna
R182
Fixed-wing, single engine N8184H LLC
Thiensville, Wisconsin
Standard 2021-08-03 ValidFAA registration status code V: Valid registration. All codes
N91JH Maule
M-5-235C
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-08-02 ValidFAA registration status code V: Valid registration. All codes
N4972T Cessna
TR182
Fixed-wing, single engine Philema Turf INC
Americus, Georgia
Standard 2021-07-31 ValidFAA registration status code V: Valid registration. All codes
N747PP Cessna
R182
Fixed-wing, single engine Cp Aviation INC
Santa Paula, California
Standard 2021-07-31 ValidFAA registration status code V: Valid registration. All codes
N3227C Cessna
R182
Fixed-wing, single engine Individual owner
West Virginia
Standard 2021-07-28 ValidFAA registration status code V: Valid registration. All codes
N5226P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Missouri
Standard 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N9321W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Mississippi
Standard 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N4494Y Piper
PA-25-235
Fixed-wing, single engine Individual owner
Alabama
Restricted 2021-07-26 ValidFAA registration status code V: Valid registration. All codes
N3809W Piper
PA-32-260
Fixed-wing, single engine Fair Skies Aviation LLC
Cincinnati, Ohio
Standard 2021-07-24 ValidFAA registration status code V: Valid registration. All codes
N7371P Piper
PA-24-250
Fixed-wing, single engine Jsntg INC
Wilmington, Delaware
Standard 2021-07-24 ValidFAA registration status code V: Valid registration. All codes
N72551 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Puerto Rico
Standard 2021-07-23 ValidFAA registration status code V: Valid registration. All codes
N236PD Piper
PA-28-236
Fixed-wing, single engine Individual owner
Florida
Standard 2021-07-22 ValidFAA registration status code V: Valid registration. All codes
N6550P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Washington
Standard 2021-07-22 ValidFAA registration status code V: Valid registration. All codes
N8649W Piper
PA-28-235
Fixed-wing, single engine High Desert Flyers LLC
New London, North Carolina
Standard 2021-07-22 ValidFAA registration status code V: Valid registration. All codes
N632WB Piper
PA-32-260
Fixed-wing, single engine Individual owner
Virginia
Standard 2021-07-21 ValidFAA registration status code V: Valid registration. All codes
N3925W Piper
PA-32-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N7700P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Alabama
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N8715L Piper
PA-25-235
Fixed-wing, single engine Scott Ts AG Flyin INC
Colquitt, Georgia
Restricted 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N6494P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2021-07-19 ValidFAA registration status code V: Valid registration. All codes
N71WF Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2021-07-19 ValidFAA registration status code V: Valid registration. All codes
N753SP Piper
PA-24
Fixed-wing, single engine Individual owner
South Dakota
Standard 2021-07-19 ValidFAA registration status code V: Valid registration. All codes
N6680P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Texas
Multiple 2021-07-16 ValidFAA registration status code V: Valid registration. All codes
N4084W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Colorado
Standard 2021-07-15 ValidFAA registration status code V: Valid registration. All codes
N80834 Piper
PA-28-236
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-07-14 ValidFAA registration status code V: Valid registration. All codes
N4153C Cessna
R182
Fixed-wing, single engine Jet Care CORP
Roseville, California
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N5519G Maule
M-7-235B
Fixed-wing, single engine Individual owner
Michigan
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N5845P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Maryland
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N182DK Cessna
TR182
Fixed-wing, single engine Co-owned owner
California
Standard 2021-07-09 ValidFAA registration status code V: Valid registration. All codes
N5474P Piper
PA-24-250
Fixed-wing, single engine Krnp Air Services LLC
Zeeland, Michigan
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N738FH Cessna
TR182
Fixed-wing, single engine Nickel Bush Enterprises LLC
Walla Walla, Washington
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N7653P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N9848H Cessna
182R
Fixed-wing, single engine Individual owner
North Dakota
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N2142Y Piper
PA-28-236
Fixed-wing, single engine Individual owner
Rhode Island
Standard 2021-07-07 ValidFAA registration status code V: Valid registration. All codes
N384X Maule
M-5-235C
Fixed-wing, single engine 1 Zero Sierra Whisky LLC
Helena, Montana
Standard 2021-07-06 ValidFAA registration status code V: Valid registration. All codes
N7071P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Oregon
Standard 2021-07-06 ValidFAA registration status code V: Valid registration. All codes
N4737S Cessna
TR182
Fixed-wing, single engine Maverick Consulting LLC
Prior Lake, Minnesota
Standard 2021-07-01 ValidFAA registration status code V: Valid registration. All codes
N5545P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Idaho
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N6732D Barber Hugh
TLAR V
Fixed-wing, single engine Individual owner
Utah
Experimental 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N9043W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N200CF Piper
PA-32-260
Fixed-wing, single engine 200Cf LLC
Decatur, Illinois
Standard 2021-06-25 ValidFAA registration status code V: Valid registration. All codes
N6859Z Piper
PA-25-235
Fixed-wing, single engine Ed Air INC
Oaktown, Indiana
Restricted 2021-06-24 ValidFAA registration status code V: Valid registration. All codes
N8630W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-06-24 ValidFAA registration status code V: Valid registration. All codes
N6953P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Washington
Standard 2021-06-23 ValidFAA registration status code V: Valid registration. All codes
N255WF Cessna
R182
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2021-06-22 ValidFAA registration status code V: Valid registration. All codes
N3228P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kansas
Standard 2021-06-19 ValidFAA registration status code V: Valid registration. All codes
N13FD Siai-Marchetti
SF260
Fixed-wing, single engine Skythrills! LLC
Fullerton, California
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N260SF Siai Marchetti
F.260C
Fixed-wing, single engine Skythrills! LLC
Fullerton, California
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N751M Siai Marchetti
F.260C
Fixed-wing, single engine Skythrills! LLC
Fullerton, California
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N9308W Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N40SY Piper
PA-32R-300
Fixed-wing, single engine Touchandgo LLC
Hilton Head Island, South Carolina
Standard 2021-06-15 ValidFAA registration status code V: Valid registration. All codes
N6849P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2021-06-15 ValidFAA registration status code V: Valid registration. All codes
N8617W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Washington
Standard 2021-06-15 ValidFAA registration status code V: Valid registration. All codes
N8840W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Oregon
Standard 2021-06-12 ValidFAA registration status code V: Valid registration. All codes
N5388P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2021-06-11 ValidFAA registration status code V: Valid registration. All codes
N8584W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nebraska
Standard 2021-06-09 ValidFAA registration status code V: Valid registration. All codes
N3430W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Texas
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N8559W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Washington
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N6919M Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2021-06-04 ValidFAA registration status code V: Valid registration. All codes
N157RJ Piper
PA-28-236
Fixed-wing, single engine Tdt AG Support LLC
Brawley, California
Standard 2021-06-03 ValidFAA registration status code V: Valid registration. All codes
N3924X Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-06-03 ValidFAA registration status code V: Valid registration. All codes
N6435P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Nevada
Standard 2021-06-03 ValidFAA registration status code V: Valid registration. All codes
N7347P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2021-06-03 ValidFAA registration status code V: Valid registration. All codes
N5571J Piper
PA-32-260
Fixed-wing, single engine Hildebrandt Eric A
Cocoa, Florida
Standard 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N6294T Cessna
R182
Fixed-wing, single engine Greater Flint Pilots Association
Flushing, Michigan
Standard 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N8102P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Vermont
Standard 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N5234P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-06-01 ValidFAA registration status code V: Valid registration. All codes
N2168U Piper
PA-28-236
Fixed-wing, single engine Individual owner
Missouri
Standard 2021-05-25 ValidFAA registration status code V: Valid registration. All codes
N4829R Cessna
TR182
Fixed-wing, single engine Individual owner
Washington
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N8710E Piper
PA-28-235
Fixed-wing, single engine Individual owner
New Jersey
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N2256S Cessna
TR182
Fixed-wing, single engine Guttzeit Aviation LLC
Baton Rouge, Louisiana
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N6951P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2021-05-21 ValidFAA registration status code V: Valid registration. All codes
N143LW Cessna
R182
Fixed-wing, single engine Murphy Law Office PC
Rapid City, South Dakota
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N3012B Piper
PA-28-236
Fixed-wing, single engine Throwbacks LLC
Pueblo, Colorado
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N7578T Cessna
R182
Fixed-wing, single engine Physics Aviation LLC
Jonesboro, Arkansas
Standard 2021-05-17 ValidFAA registration status code V: Valid registration. All codes
N411TS Cessna
R182
Fixed-wing, single engine Tango Sierra Aviation INC
Stuart, Florida
Standard 2021-05-13 ValidFAA registration status code V: Valid registration. All codes
N7768P Piper
PA-24-250
Fixed-wing, single engine Greensburg Jeannette Airport Administration INC
Jeannette, Pennsylvania
Standard 2021-05-13 ValidFAA registration status code V: Valid registration. All codes
N3436W Piper
PA-32-260
Fixed-wing, single engine Island Aviation Management LLC
Plainview, New York
Standard 2021-05-08 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.