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
N6027C Cessna
R182
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2019-03-07 ValidFAA registration status code V: Valid registration. All codes
N29610 Piper
PA-28-236
Fixed-wing, single engine Individual owner
California
Standard 2019-03-06 ValidFAA registration status code V: Valid registration. All codes
N6278S Cessna
R182
Fixed-wing, single engine Individual owner
New York
Standard 2019-03-05 ValidFAA registration status code V: Valid registration. All codes
N6103S Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2019-03-02 ValidFAA registration status code V: Valid registration. All codes
N77CT Bellanca Aircraft Corp.
51
Fixed-wing, single engine Individual owner
Texas
Standard 2019-03-02 ValidFAA registration status code V: Valid registration. All codes
N55117 Piper
PA-28-235
Fixed-wing, single engine Individual owner
California
Standard 2019-03-01 ValidFAA registration status code V: Valid registration. All codes
N5460P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2019-02-28 ValidFAA registration status code V: Valid registration. All codes
N463DS Robinson Helicopter
R44
Helicopter Individual owner
Pennsylvania
Standard 2019-02-27 ValidFAA registration status code V: Valid registration. All codes
N146LW Piper
PA-28-236
Fixed-wing, single engine Belvedere INC
Marion, Iowa
Standard 2019-02-26 ValidFAA registration status code V: Valid registration. All codes
N5799P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2019-02-26 ValidFAA registration status code V: Valid registration. All codes
N11LY Piper
PA-28-235
Fixed-wing, single engine Individual owner
Indiana
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N8532N Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N5071Y Piper
PA-23-250
Fixed-wing, multi-engine Fletchers Aviation LLC
Mason, New Hampshire
Standard 2019-02-23 ValidFAA registration status code V: Valid registration. All codes
N6304T Cessna
R182
Fixed-wing, single engine Overseas Flyway LLC
Tavernier, Florida
Standard 2019-02-23 ValidFAA registration status code V: Valid registration. All codes
N6225P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2019-02-22 ValidFAA registration status code V: Valid registration. All codes
N899WW Piper
PA-28-235
Fixed-wing, single engine Shelter Roofing LLC
Pascagoula, Mississippi
Standard 2019-02-22 ValidFAA registration status code V: Valid registration. All codes
N6154P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Colorado
Standard 2019-02-13 ValidFAA registration status code V: Valid registration. All codes
N7552P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2019-02-12 ValidFAA registration status code V: Valid registration. All codes
N7571W Cessna
R182
Fixed-wing, single engine Individual owner
South Dakota
Standard 2019-02-12 ValidFAA registration status code V: Valid registration. All codes
N197TF Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2019-02-07 ValidFAA registration status code V: Valid registration. All codes
N434PW Piper
PA-28-235
Fixed-wing, single engine Individual owner
South Carolina
Standard 2019-02-05 ValidFAA registration status code V: Valid registration. All codes
N7962P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2019-02-05 ValidFAA registration status code V: Valid registration. All codes
N1440X Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2019-02-04 ValidFAA registration status code V: Valid registration. All codes
N364MC Piper
PA-32-260
Fixed-wing, single engine Lesser Antilles CORP Trustee
Wilmington, Delaware
Standard 2019-02-04 ValidFAA registration status code V: Valid registration. All codes
N8018C Piper
PA-32-260
Fixed-wing, single engine Individual owner
Ohio
Standard 2019-02-04 ValidFAA registration status code V: Valid registration. All codes
N6453T Cessna
TR182
Fixed-wing, single engine Individual owner
New Mexico
Standard 2019-01-30 ValidFAA registration status code V: Valid registration. All codes
N3750W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
New York
Standard 2019-01-29 ValidFAA registration status code V: Valid registration. All codes
N4693E Cessna
T182
Fixed-wing, single engine Jayo Construction INC
Boise, Idaho
Standard 2019-01-29 ValidFAA registration status code V: Valid registration. All codes
N7914P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Idaho
Standard 2019-01-25 ValidFAA registration status code V: Valid registration. All codes
N790PR Maule
M-6-235
Fixed-wing, single engine Individual owner
Washington
Standard 2019-01-22 ValidFAA registration status code V: Valid registration. All codes
N4873S Cessna
R182
Fixed-wing, single engine Co-owned owner
North Dakota
Standard 2019-01-10 ValidFAA registration status code V: Valid registration. All codes
N6659P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2019-01-10 ValidFAA registration status code V: Valid registration. All codes
N3523W Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2019-01-08 ValidFAA registration status code V: Valid registration. All codes
N9844P Piper
PA-25-235
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2019-01-02 ValidFAA registration status code V: Valid registration. All codes
N7565X Cessna
R182
Fixed-wing, single engine Donaldson Bros Flying Circus LLC
Spencer, Iowa
Standard 2018-12-28 ValidFAA registration status code V: Valid registration. All codes
N75130 Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2018-12-27 ValidFAA registration status code V: Valid registration. All codes
N177RW Wainscott Robert E Sr
FIREBOLT-CONV
Fixed-wing, single engine Dg Aviation LLC
Avon, Indiana
Experimental 2018-12-26 ValidFAA registration status code V: Valid registration. All codes
N48205 Cornelius
SKYBOLT-75
Fixed-wing, single engine Co-owned owner
Florida
Experimental 2018-12-26 ValidFAA registration status code V: Valid registration. All codes
N8791E Piper
PA-32-260
Fixed-wing, single engine Kl&Z Farms LLC
Littleton, North Carolina
Standard 2018-12-26 ValidFAA registration status code V: Valid registration. All codes
N5780P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2018-12-20 ValidFAA registration status code V: Valid registration. All codes
N385X Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2018-12-19 ValidFAA registration status code V: Valid registration. All codes
N9482W Piper
PA-28-235
Fixed-wing, single engine Cantrall Aviation Flying Club LLC
Elizabethtown, Kentucky
Standard 2018-12-19 ValidFAA registration status code V: Valid registration. All codes
N8643W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Washington
Standard 2018-12-17 ValidFAA registration status code V: Valid registration. All codes
N757JL Cessna
TR182
Fixed-wing, single engine Individual owner
Oregon
Standard 2018-12-15 ValidFAA registration status code V: Valid registration. All codes
N541JB Cessna
R182
Fixed-wing, single engine Huffman Aviation LLC
Burleson, Texas
Standard 2018-12-11 ValidFAA registration status code V: Valid registration. All codes
N7603X Cessna
R182
Fixed-wing, single engine Individual owner
California
Standard 2018-12-07 ValidFAA registration status code V: Valid registration. All codes
N7193Y Robinson Helicopter
R44
Helicopter Excel Helicopters LLC
Orange Grove, Texas
Standard 2018-12-06 ValidFAA registration status code V: Valid registration. All codes
N15219 Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N3542W Piper
PA-32-260
Fixed-wing, single engine Rockwall 6 LLC
Royse City, Texas
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N9205E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Michigan
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N9815P Piper
PA-25-235
Fixed-wing, single engine Tucson Soaring Club INC
Sahuarita, Arizona
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N5281P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Ohio
Standard 2018-11-29 ValidFAA registration status code V: Valid registration. All codes
N807NV Robinson Helicopter
R44
Helicopter United Helicopter Leasing LLC
Honolulu, Hawaii
Standard 2018-11-28 ValidFAA registration status code V: Valid registration. All codes
N9392W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2018-11-28 ValidFAA registration status code V: Valid registration. All codes
N342DF Piper
PA-28-236
Fixed-wing, single engine Aero-Marine Services INC
Wilmington, Delaware
Standard 2018-11-27 ValidFAA registration status code V: Valid registration. All codes
N9194E Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alaska
Standard 2018-11-26 ValidFAA registration status code V: Valid registration. All codes
N738XN Cessna
TR182
Fixed-wing, single engine Individual owner
Tennessee
Standard 2018-11-20 ValidFAA registration status code V: Valid registration. All codes
N8248P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2018-11-20 ValidFAA registration status code V: Valid registration. All codes
N7696P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Montana
Standard 2018-11-19 ValidFAA registration status code V: Valid registration. All codes
N4631S Cessna
TR182
Fixed-wing, single engine Individual owner
Nebraska
Standard 2018-11-17 ValidFAA registration status code V: Valid registration. All codes
N9361W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2018-11-17 ValidFAA registration status code V: Valid registration. All codes
N710BT Piper
PA-32-260
Fixed-wing, single engine Co-owned owner
California
Standard 2018-11-16 ValidFAA registration status code V: Valid registration. All codes
N8686W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2018-11-15 ValidFAA registration status code V: Valid registration. All codes
N5465S Cessna
R182
Fixed-wing, single engine Individual owner
Missouri
Standard 2018-11-07 ValidFAA registration status code V: Valid registration. All codes
N9274W Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2018-11-07 ValidFAA registration status code V: Valid registration. All codes
N71FD Siai Marchetti
F.260C
Fixed-wing, single engine Fly Seby LLC
East Hampton, New York
Standard 2018-11-06 ValidFAA registration status code V: Valid registration. All codes
N235SB Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2018-11-05 ValidFAA registration status code V: Valid registration. All codes
N254MV Piper
PA-32-260
Fixed-wing, single engine Flight World INC
San Juan, Puerto Rico
Standard 2018-10-31 ValidFAA registration status code V: Valid registration. All codes
N8393P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Ohio
Standard 2018-10-31 ValidFAA registration status code V: Valid registration. All codes
N9163W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Nevada
Standard 2018-10-31 ValidFAA registration status code V: Valid registration. All codes
N123HM Piper
PA-24-250
Fixed-wing, single engine Comanche Air LLC
Mokena, Illinois
Standard 2018-10-30 ValidFAA registration status code V: Valid registration. All codes
N8140Q Piper
PA-28-236
Fixed-wing, single engine Individual owner
Arizona
Standard 2018-10-30 ValidFAA registration status code V: Valid registration. All codes
N8356P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2018-10-30 ValidFAA registration status code V: Valid registration. All codes
N6900Z Piper
PA-25-235
Fixed-wing, single engine Independence Glider Club
Independence, Oregon
Restricted 2018-10-29 ValidFAA registration status code V: Valid registration. All codes
N891MD Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kansas
Standard 2018-10-29 ValidFAA registration status code V: Valid registration. All codes
N2DV Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Texas
Standard 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N6590Z Piper
PA-25-235
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N7221L Piper
PA-25-235
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N147EC Piper
PA-23-250
Fixed-wing, multi-engine Aarow Aircraft Leasing LLC
Mcminnville, Oregon
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N15227 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N7370P Piper
PA-24-250
Fixed-wing, single engine Individual owner
South Dakota
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N737UB Cessna
TR182
Fixed-wing, single engine Meyeres Farms LLC
Chase, Kansas
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N7930P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
California
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N146P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2018-10-22 ValidFAA registration status code V: Valid registration. All codes
N5643S Maule
M-5-235C
Fixed-wing, single engine Individual owner
Alabama
Standard 2018-10-19 ValidFAA registration status code V: Valid registration. All codes
N34FC Cessna
T182
Fixed-wing, single engine N34Fc LLC
Boise, Idaho
Standard 2018-10-16 ValidFAA registration status code V: Valid registration. All codes
N8124A Piper
PA-28-236
Fixed-wing, single engine Dakota 7 LLC
Kirkwood, Missouri
Standard 2018-10-16 ValidFAA registration status code V: Valid registration. All codes
N826CV Cessna
TR182
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2018-10-11 ValidFAA registration status code V: Valid registration. All codes
N8315P Piper
PA-24-250
Fixed-wing, single engine Squawk Wv LLC
Morgantown, West Virginia
Standard 2018-10-11 ValidFAA registration status code V: Valid registration. All codes
N3755W Piper
PA-32-260
Fixed-wing, single engine Ms Air LLC
Hickory, North Carolina
Standard 2018-10-10 ValidFAA registration status code V: Valid registration. All codes
N5968P Piper
PA-24-250
Fixed-wing, single engine Jsm Crop Consulting LLC
Bayard, Nebraska
Standard 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N6229P Piper
PA-24-250
Fixed-wing, single engine A2A Aviation INC
Simsbury, Connecticut
Standard 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N787RG Cessna
TR182
Fixed-wing, single engine Career Aviation Company INC
Wilmington, Delaware
Standard 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N30CE Conterno J/Pfeifer R
SUPER EAGLE
Fixed-wing, single engine Wren Aircraft LLC
Menlo Park, California
Experimental 2018-10-02 ValidFAA registration status code V: Valid registration. All codes
N4712N Cessna
T182
Fixed-wing, single engine Timberline Helicopters INC
Sandpoint, Idaho
Standard 2018-09-27 ValidFAA registration status code V: Valid registration. All codes
N4938Y Piper
PA-25-260
Fixed-wing, single engine Aerial Banners INC
Pembroke Pines, Florida
Restricted 2018-09-26 ValidFAA registration status code V: Valid registration. All codes
N56347 Maule
M-5-235C
Fixed-wing, single engine Individual owner
California
Standard 2018-09-26 ValidFAA registration status code V: Valid registration. All codes
N8619L Piper
PA-25-235
Fixed-wing, single engine Aerial Banners INC
Pembroke Pines, Florida
Restricted 2018-09-26 ValidFAA registration status code V: Valid registration. All codes
N4073P Haigh Henry A Ii
NORTHSTAR
Fixed-wing, single engine Individual owner
Michigan
Experimental 2018-09-25 ValidFAA registration status code V: Valid registration. All codes
N3183C Cessna
R182
Fixed-wing, single engine Wide Open Aviation LLC
Kennewick, Washington
Standard 2018-09-24 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.