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
N6494Z Piper
PA-25-235
Fixed-wing, single engine Soaring Club of Houston
Waller, Texas
Multiple 2023-02-18 ValidFAA registration status code V: Valid registration. All codes
N9526P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Alabama
Standard 2023-02-18 ValidFAA registration status code V: Valid registration. All codes
N182NC Cessna
R182
Fixed-wing, single engine Individual owner
South Carolina
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N5251T Cessna
TR182
Fixed-wing, single engine Individual owner
Nebraska
Standard 2023-02-15 ValidFAA registration status code V: Valid registration. All codes
N9097W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Kentucky
Standard 2023-02-15 ValidFAA registration status code V: Valid registration. All codes
N9480R Cessna
TR182
Fixed-wing, single engine Western Montana Orthopaedic LLC
Missoula, Montana
Standard 2023-02-15 ValidFAA registration status code V: Valid registration. All codes
N15476 Piper
PA-32-260
Fixed-wing, single engine Individual owner
Georgia
Standard 2023-02-14 ValidFAA registration status code V: Valid registration. All codes
N40193 Piper
PA-24-250
Fixed-wing, single engine Rearden Logic INC
Denver, Colorado
Standard 2023-02-14 ValidFAA registration status code V: Valid registration. All codes
N7361R Cessna
TR182
Fixed-wing, single engine Co-owned owner
Texas
Standard 2023-02-14 ValidFAA registration status code V: Valid registration. All codes
N3652W Piper
PA-32-260
Fixed-wing, single engine Valiair Limited CO Trustee
Casper, Wyoming
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N9126W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Iowa
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N5498P Piper
PA-24-250
Fixed-wing, single engine C & J Ventures LLC
Center, Colorado
Standard 2023-02-11 ValidFAA registration status code V: Valid registration. All codes
N845D Piper
PA-28-236
Fixed-wing, single engine Club Cherokee INC
Crystal, Minnesota
Standard 2023-02-11 ValidFAA registration status code V: Valid registration. All codes
N8195P Piper
PA-24-250
Fixed-wing, single engine Boddington Aviation LLC
Portland, Texas
Standard 2023-02-10 ValidFAA registration status code V: Valid registration. All codes
N2526S Cessna
TR182
Fixed-wing, single engine Plane Nutz LLC
Sugar City, Idaho
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N32871 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N44782 Piper
PA-32-260
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N6932P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N8611W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N6341S Cessna
TR182
Fixed-wing, single engine Co-owned owner
California
Standard 2023-02-08 ValidFAA registration status code V: Valid registration. All codes
N7178P Piper
PA-24-250
Fixed-wing, single engine N9271P LLC
Pahrump, Nevada
Standard 2023-02-08 ValidFAA registration status code V: Valid registration. All codes
N736BK Cessna
R182
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2023-02-08 ValidFAA registration status code V: Valid registration. All codes
N7580T Cessna
R182
Fixed-wing, single engine Bushgoair LLC
Chicago, Illinois
Standard 2023-02-08 ValidFAA registration status code V: Valid registration. All codes
N3550L Maule
M-7-235B
Fixed-wing, single engine Individual owner
Mississippi
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N55819 Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N5590J Piper
PA-32-260
Fixed-wing, single engine Individual owner
Texas
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N3912W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N8697L Piper
PA-25-260
Fixed-wing, single engine Individual owner
Massachusetts
Restricted 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N3581W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Louisiana
Standard 2023-02-04 ValidFAA registration status code V: Valid registration. All codes
N9374W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Ohio
Standard 2023-02-04 ValidFAA registration status code V: Valid registration. All codes
N414UT Maule
M-6-235
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-02-02 ValidFAA registration status code V: Valid registration. All codes
N9116W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-02-02 ValidFAA registration status code V: Valid registration. All codes
N8908W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-01-31 ValidFAA registration status code V: Valid registration. All codes
N9009E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Arkansas
Standard 2023-01-31 ValidFAA registration status code V: Valid registration. All codes
N8241P Piper
PA-24-250
Fixed-wing, single engine Withheld at owner's request
Standard 2023-01-30 ValidFAA registration status code V: Valid registration. All codes
N5906P Piper
PA-24-250
Fixed-wing, single engine Hereford America INC
Reva, South Dakota
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N757RS Cessna
R182
Fixed-wing, single engine Withheld at owner's request
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N789CM Piper
PA-28-235
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N8175P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N193MB Piper
PA-28-236
Fixed-wing, single engine Individual owner
Michigan
Standard 2023-01-27 ValidFAA registration status code V: Valid registration. All codes
N9277W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Colorado
Standard 2023-01-27 ValidFAA registration status code V: Valid registration. All codes
N756ZL Cessna
R182
Fixed-wing, single engine Performance Aircraft Sales INC
Lincoln, Nebraska
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N8655W Piper
PA-28-235
Fixed-wing, single engine Gtj LLC
Johnston, Iowa
Standard 2023-01-25 ValidFAA registration status code V: Valid registration. All codes
N277SM Piper
PA-28-236
Fixed-wing, single engine Individual owner
Connecticut
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N235BK Kazmierczak Robert L
AURIGA
Fixed-wing, single engine Co-owned owner
Wisconsin
Experimental 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N338RA S.O.C.A.T.A.
RALLYE 235E
Fixed-wing, single engine Individual owner
Oregon
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N5912P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N6449T Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N7405P Piper
PA-24-250
Fixed-wing, single engine Classic World Holdings LLC
Wilmington, Delaware
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N7468P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Washington
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N5379S Cessna
TR182
Fixed-wing, single engine Individual owner
Utah
Standard 2023-01-22 ValidFAA registration status code V: Valid registration. All codes
N5517Z Maule
M-7-235C
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-22 ValidFAA registration status code V: Valid registration. All codes
N106NA Piper
PA-32-260
Fixed-wing, single engine Vann-Tage Point Aviation LLC
New Castle, Delaware
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N8375P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N9193W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N1819G Cessna
182RG
Fixed-wing, single engine Individual owner
Minnesota
Standard 2023-01-20 ValidFAA registration status code V: Valid registration. All codes
N4428Y Piper
PA-25-235
Fixed-wing, single engine Cherry Hill Aviation INC
Freetown, Indiana
Restricted 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N6324T Cessna
TR182
Fixed-wing, single engine Withheld at owner's request
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N8502W Piper
PA-28-235
Fixed-wing, single engine Individual owner
New Mexico
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N8986W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N3656W Piper
PA-32-260
Fixed-wing, single engine Nuvision Heaqlth Center
Macomb, Michigan
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N4204T Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N6161S Cessna
R182
Fixed-wing, single engine Individual owner
Michigan
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N6410P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N2709D Rawdon
T1
Fixed-wing, single engine Individual owner
Florida
Restricted 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N4947S Cessna
R182
Fixed-wing, single engine Zams Aviation LLC
Raleigh, North Carolina
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N6458P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Carolina
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N7452P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N7722Z Piper
PA-25-235
Fixed-wing, single engine Central California Soaring Association INC
Avenal, California
Restricted 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N736QX Cessna
TR182
Fixed-wing, single engine Co-owned owner
North Dakota
Standard 2023-01-14 ValidFAA registration status code V: Valid registration. All codes
N5684P Piper
PA-24-250
Fixed-wing, single engine Ace Drilling LLC
Johnson, Kansas
Restricted 2023-01-13 ValidFAA registration status code V: Valid registration. All codes
N5524S Cessna
TR182
Fixed-wing, single engine Individual owner
Connecticut
Standard 2023-01-11 ValidFAA registration status code V: Valid registration. All codes
N5585J Piper
PA-32-260
Fixed-wing, single engine Phb Aviation INC
Melbourne Beach, Florida
Standard 2023-01-11 ValidFAA registration status code V: Valid registration. All codes
N84285 Piper
PA-28-236
Fixed-wing, single engine Individual owner
South Carolina
Standard 2023-01-11 ValidFAA registration status code V: Valid registration. All codes
N3459W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2023-01-10 ValidFAA registration status code V: Valid registration. All codes
N7729P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Florida
Standard 2023-01-09 ValidFAA registration status code V: Valid registration. All codes
N44KG Maule
M-7-235
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N5556P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N9223W Piper
PA-28-235
Fixed-wing, single engine Pierce Construction LLC
Shelby, Alabama
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N44308 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Washington
Standard 2023-01-03 ValidFAA registration status code V: Valid registration. All codes
N222BW Rhw Ltd
TEAM ROCKET F1
Fixed-wing, single engine Individual owner
Ohio
Experimental 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N3696C Cessna
R182
Fixed-wing, single engine Co-owned owner
Alabama
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N5141S Cessna
TR182
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N6659Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Texas
Restricted 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N8363N Robinson Helicopter
R44
Helicopter Heliflights LLC
Rahway, New Jersey
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N9257H Cessna
T182
Fixed-wing, single engine Taf Aerial Services LLC
Beeville, Texas
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N9862H Cessna
T182
Fixed-wing, single engine Taf Aerial Services LLC
Beeville, Texas
Experimental 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N7246P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Montana
Standard 2023-01-01 ValidFAA registration status code V: Valid registration. All codes
N4940S Cessna
TR182
Fixed-wing, single engine Individual owner
North Carolina
Standard 2022-12-31 ValidFAA registration status code V: Valid registration. All codes
N399Z Maule
M-7-235C
Fixed-wing, single engine Flyin Horse LLC
Columbus, Georgia
Standard 2022-12-30 ValidFAA registration status code V: Valid registration. All codes
N51BG Piper
PA-24-250
Fixed-wing, single engine Individual owner
Michigan
Standard 2022-12-30 ValidFAA registration status code V: Valid registration. All codes
N756KQ Cessna
TR182
Fixed-wing, single engine Individual owner
Tennessee
Standard 2022-12-30 ValidFAA registration status code V: Valid registration. All codes
N3865W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-12-28 ValidFAA registration status code V: Valid registration. All codes
N600JL Piper
PA-32-260
Fixed-wing, single engine Ministerio Internacional Gracia y Poder INC
Houston, Texas
Standard 2022-12-28 ValidFAA registration status code V: Valid registration. All codes
N2096B Piper
PA-28-236
Fixed-wing, single engine N2096B LLC
Buffalo, New York
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N7139P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Montana
Standard 2022-12-25 ValidFAA registration status code V: Valid registration. All codes
N736VT Cessna
TR182
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-12-23 ValidFAA registration status code V: Valid registration. All codes
N3327W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Idaho
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N5381P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N2665C Cessna
R182
Fixed-wing, single engine Windsock Skies LLC
Caldwell, Texas
Standard 2022-12-20 ValidFAA registration status code V: Valid registration. All codes
Previous Page 16 of 53 Next

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.