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
N8933W Piper
PA-28-235
Fixed-wing, single engine Flight Time LLC
Portland, Oregon
Standard 2012-06-13 ValidFAA registration status code V: Valid registration. All codes
N182WD Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2012-06-11 ValidFAA registration status code V: Valid registration. All codes
N5943P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Georgia
Standard 2012-06-08 ValidFAA registration status code V: Valid registration. All codes
N713BM Cessna
TR182
Fixed-wing, single engine Individual owner
Louisiana
Standard 2012-06-08 ValidFAA registration status code V: Valid registration. All codes
N1911H Cessna
TR182
Fixed-wing, single engine Adair Aviation LLC
Mountain Home, Arkansas
Standard 2012-06-05 ValidFAA registration status code V: Valid registration. All codes
N3559D Piper
PA-28-236
Fixed-wing, single engine Individual owner
Texas
Standard 2012-06-05 ValidFAA registration status code V: Valid registration. All codes
N48VZ Piper
PA-32-260
Fixed-wing, single engine Precision Jet Service INC
Stuart, Florida
Standard 2012-06-05 ValidFAA registration status code V: Valid registration. All codes
N87P Price-Jungmeister
1
Fixed-wing, single engine Individual owner
Kansas
Experimental 2012-06-04 ValidFAA registration status code V: Valid registration. All codes
N6216X Piper
PA-25-235
Fixed-wing, single engine Central Alabama Soaring Association
Birmingham, Alabama
Experimental 2012-06-01 ValidFAA registration status code V: Valid registration. All codes
N8806K Eagle Aircraft Co
EAGLE DW-1
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2012-06-01 ValidFAA registration status code V: Valid registration. All codes
N6227T Cessna
TR182
Fixed-wing, single engine Carpenter Cattle CO INC
Brewster, Kansas
Standard 2012-05-30 ValidFAA registration status code V: Valid registration. All codes
N8118S Piper
PA-28-236
Fixed-wing, single engine Individual owner
California
Standard 2012-05-25 ValidFAA registration status code V: Valid registration. All codes
N7087Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
Minnesota
Restricted 2012-05-24 ValidFAA registration status code V: Valid registration. All codes
N8447H Piper
PA-28-236
Fixed-wing, single engine J & J Farms LLC
Oakman, Alabama
Standard 2012-05-21 ValidFAA registration status code V: Valid registration. All codes
N7616P Piper
PA-24-250
Fixed-wing, single engine Individual owner
New York
Standard 2012-05-18 ValidFAA registration status code V: Valid registration. All codes
N8372H Robinson Helicopter
R44
Helicopter Emerald City Aircraft Leasing INC
Port Orchard, Washington
Standard 2012-05-10 ValidFAA registration status code V: Valid registration. All codes
N8094R Piper
PA-28-236
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-05-07 ValidFAA registration status code V: Valid registration. All codes
N3842W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Nebraska
Standard 2012-05-03 ValidFAA registration status code V: Valid registration. All codes
N7132P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wyoming
Standard 2012-05-03 ValidFAA registration status code V: Valid registration. All codes
N9211W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Indiana
Standard 2012-05-02 ValidFAA registration status code V: Valid registration. All codes
N7225P Piper
PA-24-250
Fixed-wing, single engine Superior Aviation LLC
Metairie, Louisiana
Standard 2012-05-01 ValidFAA registration status code V: Valid registration. All codes
N5467P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Dakota
Standard 2012-04-30 ValidFAA registration status code V: Valid registration. All codes
N5160T Cessna
R182
Fixed-wing, single engine Beaver Enterprises INC
Wilmington, Delaware
Standard 2012-04-27 ValidFAA registration status code V: Valid registration. All codes
N3608W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Texas
Standard 2012-04-25 ValidFAA registration status code V: Valid registration. All codes
N4449R Cessna
R182
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2012-04-20 ValidFAA registration status code V: Valid registration. All codes
N6633P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Iowa
Standard 2012-04-16 ValidFAA registration status code V: Valid registration. All codes
N4366K Piper
PA-28-236
Fixed-wing, single engine Individual owner
Minnesota
Standard 2012-04-14 ValidFAA registration status code V: Valid registration. All codes
N6228J Piper
PA-32-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-04-14 ValidFAA registration status code V: Valid registration. All codes
N65173 Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2012-04-14 ValidFAA registration status code V: Valid registration. All codes
N6542Z Piper
PA-25-235
Fixed-wing, single engine Co-owned owner
Missouri
Restricted 2012-04-13 ValidFAA registration status code V: Valid registration. All codes
N6936Z Piper
PA-25-235
Fixed-wing, single engine Co-owned owner
Missouri
Restricted 2012-04-13 ValidFAA registration status code V: Valid registration. All codes
N2149T Piper
PA-28-236
Fixed-wing, single engine Chandler Air Service INC
Chandler, Arizona
Standard 2012-04-11 ValidFAA registration status code V: Valid registration. All codes
N3641C Cessna
R182
Fixed-wing, single engine Individual owner
Iowa
Standard 2012-04-09 ValidFAA registration status code V: Valid registration. All codes
N5995P Piper
PA-24-250
Fixed-wing, single engine N5995P LLC
Palmetto, Florida
Standard 2012-04-05 ValidFAA registration status code V: Valid registration. All codes
N8046R Piper
PA-28-236
Fixed-wing, single engine Computer Solutions INC
Casper, Wyoming
Standard 2012-04-05 ValidFAA registration status code V: Valid registration. All codes
N8098P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Carolina
Standard 2012-04-05 ValidFAA registration status code V: Valid registration. All codes
N86EF Cessna
R182
Fixed-wing, single engine Cic Aviation LLC
Wenatchee, Washington
Restricted 2012-04-03 ValidFAA registration status code V: Valid registration. All codes
N3997W Piper
PA-32-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-03-30 ValidFAA registration status code V: Valid registration. All codes
N9979C Cessna
R182
Fixed-wing, single engine Co-owned owner
Maryland
Standard 2012-03-30 ValidFAA registration status code V: Valid registration. All codes
N8652W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Idaho
Standard 2012-03-28 ValidFAA registration status code V: Valid registration. All codes
N5150P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Washington
Standard 2012-03-27 ValidFAA registration status code V: Valid registration. All codes
N7811P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2012-03-27 ValidFAA registration status code V: Valid registration. All codes
N15358 Piper
PA-28-235
Fixed-wing, single engine Individual owner
New Mexico
Standard 2012-03-26 ValidFAA registration status code V: Valid registration. All codes
N7756Z Piper
PA-25-235
Fixed-wing, single engine Boomer Aviation INC
Fort Walton Beach, Florida
Restricted 2012-03-26 ValidFAA registration status code V: Valid registration. All codes
N8314C Piper
PA-32-260
Fixed-wing, single engine R M W LLC
Florence, South Carolina
Standard 2012-03-26 ValidFAA registration status code V: Valid registration. All codes
N8498C Aero Commander
500
Fixed-wing, multi-engine Air Margarita
San Juan, Puerto Rico
Standard 2012-03-26 ValidFAA registration status code V: Valid registration. All codes
N4923Y Piper
PA-25-235
Fixed-wing, single engine Denton Aerial Spraying INC
Las Animas, Colorado
Restricted 2012-03-22 ValidFAA registration status code V: Valid registration. All codes
N7387Z Piper
PA-25-235
Fixed-wing, single engine Central Indiana Soaring Society
Yorktown, Indiana
Restricted 2012-03-19 ValidFAA registration status code V: Valid registration. All codes
N9069W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2012-03-15 ValidFAA registration status code V: Valid registration. All codes
N8881W Piper
PA-28-235
Fixed-wing, single engine Yellow Flyers INC
Sioux Falls, South Dakota
Standard 2012-03-14 ValidFAA registration status code V: Valid registration. All codes
N323DF Piper
PA-28-236
Fixed-wing, single engine Individual owner
New Jersey
Standard 2012-03-12 ValidFAA registration status code V: Valid registration. All codes
N417X Maule
M-5-235C
Fixed-wing, single engine Individual owner
Colorado
Standard 2012-03-09 ValidFAA registration status code V: Valid registration. All codes
N759EE Cessna
TR182
Fixed-wing, single engine Acadiana Technical College
Lafayette, Louisiana
Standard 2012-02-29 ValidFAA registration status code V: Valid registration. All codes
N8969W Piper
PA-28-235
Fixed-wing, single engine Individual owner
North Carolina
Standard 2012-02-25 ValidFAA registration status code V: Valid registration. All codes
N6404P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Iowa
Standard 2012-02-23 ValidFAA registration status code V: Valid registration. All codes
N5448P Piper
PA-24-250
Fixed-wing, single engine Starfire Aviation LLC
Conyers, Georgia
Standard 2012-02-21 ValidFAA registration status code V: Valid registration. All codes
N333YF Cessna
TR182
Fixed-wing, single engine Eagle Aviation LLC
Delray Beach, Florida
Standard 2012-02-15 ValidFAA registration status code V: Valid registration. All codes
N738UU Cessna
R182
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-02-10 ValidFAA registration status code V: Valid registration. All codes
N7720Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2012-02-08 ValidFAA registration status code V: Valid registration. All codes
N29374 Piper
PA-28-236
Fixed-wing, single engine Heartland Aviation INC
Alliance, Nebraska
Standard 2012-02-07 ValidFAA registration status code V: Valid registration. All codes
N6070P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2012-02-07 ValidFAA registration status code V: Valid registration. All codes
N8778W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2012-02-07 ValidFAA registration status code V: Valid registration. All codes
N4694S Cessna
TR182
Fixed-wing, single engine Co-owned owner
North Dakota
Standard 2012-02-03 ValidFAA registration status code V: Valid registration. All codes
N9969C Cessna
R182
Fixed-wing, single engine Attitude Indicators LLC
Allegan, Michigan
Standard 2012-02-03 ValidFAA registration status code V: Valid registration. All codes
N441RH Robinson Helicopter
R44
Helicopter Individual owner
Maryland
Standard 2012-02-01 ValidFAA registration status code V: Valid registration. All codes
N7218Z Piper
PA-25-235
Fixed-wing, single engine Aerial Banners INC
Pembroke Pines, Florida
Restricted 2012-02-01 ValidFAA registration status code V: Valid registration. All codes
N8656L Piper
PA-25-235
Fixed-wing, single engine Adirondack Soaring Association INC
Ballston Spa, New York
Restricted 2012-01-31 ValidFAA registration status code V: Valid registration. All codes
N866JA Britten-Norman
BN-2A
Fixed-wing, multi-engine Mcphillips Flying Service INC
Beaver Island, Michigan
Standard 2012-01-27 ValidFAA registration status code V: Valid registration. All codes
N7523E Robinson Helicopter
R44
Helicopter Flying J Services LLC
Jourdanton, Texas
Multiple 2012-01-19 ValidFAA registration status code V: Valid registration. All codes
N5521J Piper
PA-32-260
Fixed-wing, single engine Individual owner
Florida
Standard 2012-01-17 ValidFAA registration status code V: Valid registration. All codes
N669CR Piper
PA-32-260
Fixed-wing, single engine Individual owner
Puerto Rico
Standard 2012-01-11 ValidFAA registration status code V: Valid registration. All codes
N36AF Cessna
R182
Fixed-wing, single engine Individual owner
Virginia
Standard 2012-01-10 ValidFAA registration status code V: Valid registration. All codes
N8808W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-01-03 ValidFAA registration status code V: Valid registration. All codes
N8558L Piper
PA-25-260
Fixed-wing, single engine Star Ads INC
Torrance, California
Standard 2011-12-27 ValidFAA registration status code V: Valid registration. All codes
N5468P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2011-12-15 ValidFAA registration status code V: Valid registration. All codes
N138AB Piper
PA-25-260
Fixed-wing, single engine Aerial Banners INC
Pembroke Pines, Florida
Standard 2011-12-09 ValidFAA registration status code V: Valid registration. All codes
N215DB Cessna
TR182
Fixed-wing, single engine Individual owner
California
Standard 2011-12-07 ValidFAA registration status code V: Valid registration. All codes
N9492W Piper
PA-28-235
Fixed-wing, single engine Hixson Robert S
Los Alamos, New Mexico
Standard 2011-12-05 ValidFAA registration status code V: Valid registration. All codes
N6170M Maule
M-5-235C
Fixed-wing, single engine Individual owner
California
Standard 2011-12-01 ValidFAA registration status code V: Valid registration. All codes
N6157P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2011-11-15 ValidFAA registration status code V: Valid registration. All codes
N9213E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2011-11-04 ValidFAA registration status code V: Valid registration. All codes
N739AS Robinson Helicopter
R44
Helicopter Del Martin LP
Spring, Texas
Standard 2011-11-03 ValidFAA registration status code V: Valid registration. All codes
N8673L Piper
PA-25-260
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2011-11-01 ValidFAA registration status code V: Valid registration. All codes
N55665 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Arizona
Standard 2011-10-27 ValidFAA registration status code V: Valid registration. All codes
N8249P Piper
PA-24-250
Fixed-wing, single engine Ogan Steve G
Pierre, South Dakota
Standard 2011-10-27 ValidFAA registration status code V: Valid registration. All codes
N7248Z Piper
PA-25-235
Fixed-wing, single engine Aerial Banners INC
Pembroke Pines, Florida
Restricted 2011-10-26 ValidFAA registration status code V: Valid registration. All codes
N6151P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Carolina
Standard 2011-10-25 ValidFAA registration status code V: Valid registration. All codes
N2AB Piper
PA-24-250
Fixed-wing, single engine Bailey Richard T
Oregon City, Oregon
Standard 2011-10-19 ValidFAA registration status code V: Valid registration. All codes
N6267B Aero Commander
500
Fixed-wing, multi-engine Individual owner
Puerto Rico
Standard 2011-10-05 ValidFAA registration status code V: Valid registration. All codes
N3598W Piper
PA-32-260
Fixed-wing, single engine Swiss Eagles INC
Las Vegas, Nevada
Standard 2011-10-04 ValidFAA registration status code V: Valid registration. All codes
N4244Y Maule
M-7-235B
Fixed-wing, single engine Individual owner
Alaska
Standard 2011-10-03 ValidFAA registration status code V: Valid registration. All codes
N756YL Cessna
TR182
Fixed-wing, single engine Two Ten LLC
Joshua Tree, California
Standard 2011-09-29 ValidFAA registration status code V: Valid registration. All codes
N756MH Cessna
R182
Fixed-wing, single engine Individual owner
Michigan
Standard 2011-09-26 ValidFAA registration status code V: Valid registration. All codes
N9155W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Minnesota
Standard 2011-09-26 ValidFAA registration status code V: Valid registration. All codes
N7715Z Piper
PA-25-235
Fixed-wing, single engine Miller Aviation INC
Norton, Kansas
Restricted 2011-09-23 ValidFAA registration status code V: Valid registration. All codes
N2204A Piper
PA-28-236
Fixed-wing, single engine Tbl Aviation LLC
Meridian, Idaho
Standard 2011-09-22 ValidFAA registration status code V: Valid registration. All codes
N8571N Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2011-09-21 ValidFAA registration status code V: Valid registration. All codes
N7836P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2011-09-19 ValidFAA registration status code V: Valid registration. All codes
N3783 Piper
PA-24-250
Fixed-wing, single engine Midwest Fling Service INC
Elgin, Nebraska
Standard 2011-09-16 ValidFAA registration status code V: Valid registration. All codes
N8293P Piper
PA-28-236
Fixed-wing, single engine Grosshans INC
Central City, Nebraska
Standard 2011-09-16 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.