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
N710AW Piper
PA-32-260
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-05-06 ValidFAA registration status code V: Valid registration. All codes
N95FD Agusta Spa
F.260D
Fixed-wing, single engine Individual owner
Indiana
Standard 2020-05-04 ValidFAA registration status code V: Valid registration. All codes
N250L Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2020-04-30 ValidFAA registration status code V: Valid registration. All codes
N4586Y Piper
PA-25-235
Fixed-wing, single engine Riggin Flight Service INC
Madison, South Dakota
Restricted 2020-04-28 ValidFAA registration status code V: Valid registration. All codes
N7229V Intermountain
CALLAIR A-9
Fixed-wing, single engine Riggin Flight Service INC
Madison, South Dakota
Restricted 2020-04-28 ValidFAA registration status code V: Valid registration. All codes
N83786 Callair
A-9
Fixed-wing, single engine Riggin Flight Service INC
Madison, South Dakota
Restricted 2020-04-28 ValidFAA registration status code V: Valid registration. All codes
N8572L Piper
PA-25-235
Fixed-wing, single engine Sky Soaring INC
Hampshire, Illinois
Standard 2020-04-28 ValidFAA registration status code V: Valid registration. All codes
N6339T Cessna
TR182
Fixed-wing, single engine Rj Aircraft LLC
Trucksville, Pennsylvania
Standard 2020-04-27 ValidFAA registration status code V: Valid registration. All codes
N737JK Cessna
TR182
Fixed-wing, single engine Juliet Sierra Foxtrot LLC
Denver City, Texas
Standard 2020-04-27 ValidFAA registration status code V: Valid registration. All codes
N5545S Cessna
R182
Fixed-wing, single engine Lareve Air LLC
Bloomfield, Michigan
Standard 2020-04-24 ValidFAA registration status code V: Valid registration. All codes
N5195P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Nebraska
Standard 2020-04-23 ValidFAA registration status code V: Valid registration. All codes
N6216P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Nevada
Standard 2020-04-23 ValidFAA registration status code V: Valid registration. All codes
N9840C Cessna
R182
Fixed-wing, single engine Mid Atlantic AG LLC
Nassau, Delaware
Standard 2020-04-23 ValidFAA registration status code V: Valid registration. All codes
N4652Y Piper
PA-25-235
Fixed-wing, single engine Dakota Acre Farms INC
Denhoff, North Dakota
Restricted 2020-04-21 ValidFAA registration status code V: Valid registration. All codes
N5599K Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2020-04-20 ValidFAA registration status code V: Valid registration. All codes
N7211L Piper
PA-25-235
Fixed-wing, single engine Moes Crop Dusting Service INC
Marysville, California
Restricted 2020-04-20 ValidFAA registration status code V: Valid registration. All codes
N9409W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2020-04-20 ValidFAA registration status code V: Valid registration. All codes
N7172P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2020-04-17 ValidFAA registration status code V: Valid registration. All codes
N3823W Piper
PA-32-260
Fixed-wing, single engine Cherokee N3823W LLC
Huntsville, Alabama
Standard 2020-04-15 ValidFAA registration status code V: Valid registration. All codes
N824AK Robinson Helicopter
R44
Helicopter Old City Helicopter Sales LLC
Saint Augustine, Florida
Standard 2020-04-14 ValidFAA registration status code V: Valid registration. All codes
N7192Z Piper
PA-25-235
Fixed-wing, single engine Ace Aeromotive INC
Miami, Florida
Restricted 2020-04-10 ValidFAA registration status code V: Valid registration. All codes
N125Y Piper
PA-23-250
Fixed-wing, multi-engine Dsr-Cherokee 180 LLC
Dallas, Texas
Standard 2020-04-09 ValidFAA registration status code V: Valid registration. All codes
N9270K Piper
PA-28-235
Fixed-wing, single engine Slc Service Leasing Company LLC
Tipton, Iowa
Standard 2020-04-09 ValidFAA registration status code V: Valid registration. All codes
N7124P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2020-04-08 ValidFAA registration status code V: Valid registration. All codes
N7506Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Michigan
Restricted 2020-04-08 ValidFAA registration status code V: Valid registration. All codes
N88XT Boggs Larry J
BOGGS SUPER 8
Fixed-wing, single engine Individual owner
Kentucky
Experimental 2020-04-08 ValidFAA registration status code V: Valid registration. All codes
N3502W Piper
PA-32-260
Fixed-wing, single engine N3502W LLC
Stephenville, Texas
Standard 2020-04-07 ValidFAA registration status code V: Valid registration. All codes
N4984P Piper
PA-23-235
Fixed-wing, multi-engine Individual owner
Texas
Standard 2020-04-07 ValidFAA registration status code V: Valid registration. All codes
N41599 Piper
PA 46-350P
Fixed-wing, single engine Tiger Helicopters LLC
Baton Rouge, Louisiana
Standard 2020-04-06 ValidFAA registration status code V: Valid registration. All codes
N4625Y Piper
PA-25-235
Fixed-wing, single engine Air Sailing INC
Reno, Nevada
Standard 2020-04-06 ValidFAA registration status code V: Valid registration. All codes
N5485P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2020-04-06 ValidFAA registration status code V: Valid registration. All codes
N9141W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-04-06 ValidFAA registration status code V: Valid registration. All codes
N9XJ Cessna
R182
Fixed-wing, single engine Montgomery Flying Club INC
Montgomery, Alabama
Standard 2020-04-03 ValidFAA registration status code V: Valid registration. All codes
N3289W Piper
PA-32-260
Fixed-wing, single engine Shandon Aviation LLC
Lewes, Delaware
Standard 2020-04-02 ValidFAA registration status code V: Valid registration. All codes
N4295R Piper
PA-28-236
Fixed-wing, single engine Ghost Riders Aoo LLC
Altoona, Pennsylvania
Standard 2020-04-02 ValidFAA registration status code V: Valid registration. All codes
N7130T Piper
PA-24-250
Fixed-wing, single engine Individual owner
Minnesota
Standard 2020-04-02 ValidFAA registration status code V: Valid registration. All codes
N5260T Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2020-03-31 ValidFAA registration status code V: Valid registration. All codes
N5908P Piper
PA-24-250
Fixed-wing, single engine Hollister Jet Center INC
Hollister, California
Standard 2020-03-27 ValidFAA registration status code V: Valid registration. All codes
N62FD Siai Marchetti
F.260C
Fixed-wing, single engine Opportunity Development CORP
Carson City, Nevada
Standard 2020-03-27 ValidFAA registration status code V: Valid registration. All codes
N4246C Cessna
R182
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2020-03-25 ValidFAA registration status code V: Valid registration. All codes
N5473T Cessna
R182
Fixed-wing, single engine Individual owner
Alaska
Standard 2020-03-24 ValidFAA registration status code V: Valid registration. All codes
N855SP Cessna
R182
Fixed-wing, single engine Individual owner
Georgia
Standard 2020-03-24 ValidFAA registration status code V: Valid registration. All codes
N8660N Piper
PA-32-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2020-03-24 ValidFAA registration status code V: Valid registration. All codes
N8905W Piper
PA-28-235
Fixed-wing, single engine N8905W LLC
New Orleans, Louisiana
Standard 2020-03-24 ValidFAA registration status code V: Valid registration. All codes
N3987W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2020-03-19 ValidFAA registration status code V: Valid registration. All codes
N736VK Cessna
R182
Fixed-wing, single engine General Aviation LLC
Henderson, Nevada
Standard 2020-03-19 ValidFAA registration status code V: Valid registration. All codes
N486DM Piper
PA-32-260
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-03-17 ValidFAA registration status code V: Valid registration. All codes
N209RG Britten-Norman
BN-2A-6
Fixed-wing, multi-engine SR Aviation INC
Sarasota, Florida
Standard 2020-03-13 ValidFAA registration status code V: Valid registration. All codes
N3710W Piper
PA-32-260
Fixed-wing, single engine Pdr LLC
Royal Palm Beach, Florida
Standard 2020-03-11 ValidFAA registration status code V: Valid registration. All codes
N6814P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2020-03-10 ValidFAA registration status code V: Valid registration. All codes
N8127P Piper
PA-24-180
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2020-03-10 ValidFAA registration status code V: Valid registration. All codes
N485P Piper
PA-28-140
Fixed-wing, single engine Individual owner
New Jersey
Standard 2020-03-06 ValidFAA registration status code V: Valid registration. All codes
N5246P Piper
PA-24-250
Fixed-wing, single engine Yoyodyne Group INC
Wilmington, Delaware
Standard 2020-03-06 ValidFAA registration status code V: Valid registration. All codes
N9237W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-03-06 ValidFAA registration status code V: Valid registration. All codes
N1834R Cessna
R182
Fixed-wing, single engine Individual owner
New York
Standard 2020-03-04 ValidFAA registration status code V: Valid registration. All codes
N31RE Piper
PA-32-260
Fixed-wing, single engine Individual owner
Virginia
Standard 2020-03-02 ValidFAA registration status code V: Valid registration. All codes
N4751T Cessna
R182
Fixed-wing, single engine Aerial Perspective LLC
Mount Holly, New Jersey
Standard 2020-03-02 ValidFAA registration status code V: Valid registration. All codes
N235BB Piper
PA-28-235
Fixed-wing, single engine Midland Truss INC
Wagener, South Carolina
Standard 2020-02-27 ValidFAA registration status code V: Valid registration. All codes
N5994P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2020-02-27 ValidFAA registration status code V: Valid registration. All codes
N988DD Maule
M-7-235
Fixed-wing, single engine Individual owner
Florida
Standard 2020-02-26 ValidFAA registration status code V: Valid registration. All codes
N4709S Cessna
R182
Fixed-wing, single engine Individual owner
Texas
Standard 2020-02-24 ValidFAA registration status code V: Valid registration. All codes
N8854W Piper
PA-28-235
Fixed-wing, single engine Cherokee235 LLC
Kalispell, Montana
Standard 2020-02-24 ValidFAA registration status code V: Valid registration. All codes
N7557T Cessna
R182
Fixed-wing, single engine Arizona Flyers Club INC
Tucson, Arizona
Standard 2020-02-21 ValidFAA registration status code V: Valid registration. All codes
N2290T Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2020-02-19 ValidFAA registration status code V: Valid registration. All codes
N22336 Piper
PA-28-236
Fixed-wing, single engine Individual owner
Florida
Standard 2020-02-13 ValidFAA registration status code V: Valid registration. All codes
N437X Maule
M-6-235
Fixed-wing, single engine Individual owner
Alaska
Standard 2020-02-13 ValidFAA registration status code V: Valid registration. All codes
N7056P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Mississippi
Standard 2020-02-12 ValidFAA registration status code V: Valid registration. All codes
N9336W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nevada
Standard 2020-02-12 ValidFAA registration status code V: Valid registration. All codes
N1XA Piper
PA-24-250
Fixed-wing, single engine Cowell Aviation Maintenance LLC
Easley, South Carolina
Standard 2020-02-11 ValidFAA registration status code V: Valid registration. All codes
N75141 Piper
PA-32-260
Fixed-wing, single engine Three Guys Who Fly LLC
Flint, Michigan
Standard 2020-02-11 ValidFAA registration status code V: Valid registration. All codes
N8695P Piper
PA-24-260
Fixed-wing, single engine Durflinger Aviation LLC
Otterbein, Indiana
Standard 2020-02-11 ValidFAA registration status code V: Valid registration. All codes
N3716W Piper
PA-32-260
Fixed-wing, single engine Robb Air LLC
Escalon, California
Standard 2020-02-07 ValidFAA registration status code V: Valid registration. All codes
N8604W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2020-02-07 ValidFAA registration status code V: Valid registration. All codes
N6896P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2020-02-04 ValidFAA registration status code V: Valid registration. All codes
N7193P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Nevada
Standard 2020-02-04 ValidFAA registration status code V: Valid registration. All codes
N56367 Piper
PA-32-260
Fixed-wing, single engine N56367 LLC
Manassas, Virginia
Standard 2020-02-03 ValidFAA registration status code V: Valid registration. All codes
N3859W Piper
PA-32-260
Fixed-wing, single engine Fast Lane Aviation Lllp
Hawkinsville, Georgia
Standard 2020-01-31 ValidFAA registration status code V: Valid registration. All codes
N6272P Piper
PA-24-250
Fixed-wing, single engine Learis Aviation LLC
Missoula, Montana
Standard 2020-01-30 ValidFAA registration status code V: Valid registration. All codes
N8209F Piper
PA-28-236
Fixed-wing, single engine Individual owner
Tennessee
Standard 2020-01-29 ValidFAA registration status code V: Valid registration. All codes
N8515W Piper
PA-28-235
Fixed-wing, single engine Aviablu INC
Pembroke Pines, Florida
Standard 2020-01-29 ValidFAA registration status code V: Valid registration. All codes
N9205U Maule
M-6-235
Fixed-wing, single engine Individual owner
Utah
Standard 2020-01-29 ValidFAA registration status code V: Valid registration. All codes
N343CE Cessna
TR182
Fixed-wing, single engine Deriso Jordan L
Arcadia, Florida
Standard 2020-01-27 ValidFAA registration status code V: Valid registration. All codes
N8298W Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Texas
Standard 2020-01-23 ValidFAA registration status code V: Valid registration. All codes
N8414Z Piper
PA-28-236
Fixed-wing, single engine Co-owned owner
Texas
Standard 2020-01-21 ValidFAA registration status code V: Valid registration. All codes
N7090Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Texas
Restricted 2020-01-16 ValidFAA registration status code V: Valid registration. All codes
N28WT Piper
PA-28-180
Fixed-wing, single engine Hangar 14 Maintenance Solutions LLC
Santa Teresa, New Mexico
Standard 2020-01-15 ValidFAA registration status code V: Valid registration. All codes
N521MW Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2020-01-15 ValidFAA registration status code V: Valid registration. All codes
N8637P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Georgia
Standard 2020-01-15 ValidFAA registration status code V: Valid registration. All codes
N5592P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Washington
Standard 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N738XC Cessna
TR182
Fixed-wing, single engine Lance Vaculin LLC D/B/A
Murray, Utah
Standard 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N4964Y Piper
PA-25-235
Fixed-wing, single engine Individual owner
Arkansas
Restricted 2020-01-07 ValidFAA registration status code V: Valid registration. All codes
N368CP Cessna
R182
Fixed-wing, single engine Individual owner
North Carolina
Standard 2020-01-06 ValidFAA registration status code V: Valid registration. All codes
N904SL Piper
PA-28-235
Fixed-wing, single engine Individual owner
North Carolina
Standard 2020-01-03 ValidFAA registration status code V: Valid registration. All codes
N4723T Cessna
TR182
Fixed-wing, single engine Prs Holdings INC
Jurupa Valley, California
Standard 2020-01-02 ValidFAA registration status code V: Valid registration. All codes
N229TY Piper
PA-24-250
Fixed-wing, single engine Schilling Aviation LLC
Britton, Michigan
Standard 2019-12-31 ValidFAA registration status code V: Valid registration. All codes
N4CB Piper
PA-24-250
Fixed-wing, single engine Dream Catcher Company LLC
Center, Colorado
Standard 2019-12-31 ValidFAA registration status code V: Valid registration. All codes
N16518 Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2019-12-30 ValidFAA registration status code V: Valid registration. All codes
N846BH Seher Jacob Scott
BEARHAWK
Fixed-wing, single engine Individual owner
Nevada
Experimental 2019-12-30 ValidFAA registration status code V: Valid registration. All codes
N3638W Piper
PA-32-260
Fixed-wing, single engine Cherokee Six LLC
Williamson, Georgia
Standard 2019-12-27 ValidFAA registration status code V: Valid registration. All codes
N4835S Piper
PA-32-260
Fixed-wing, single engine Individual owner
Missouri
Standard 2019-12-27 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.