The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 7, 2026

Lycoming TIO-540 series

5,079 aircraft on the U.S. register carry a Lycoming TIO-540 series engine, rated at about 310 horsepower. The Piper PA-32 Cherokee Six, Lance and Saratoga is the model most often fitted with it (1,727 aircraft). The aircraft carrying it were built between 1962 and 2024.

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 TIO-540 series (3 codes). FAA spellings: TI0-540 SER · TIO 540 SER · TIO 540 SER.

When the aircraft were built by decade

By decade built, as a table
aircraft
19402
19507
19601,030
19701,712
1980483
1990461
2000827
201010
20204

What the FAA has certified, ordered and been told about the Lycoming TIO-540 series the component layer

The design is held under 1 type certificate (E14EA, held by Lycoming Engines). The FAA has issued 41 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 363 failure reports with the FAA since 1995, 11 of them in the last ten years.

FAA orders 41 airworthiness directives · newest first

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
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine

All orders naming the Lycoming TIO-540 series

Failure reports 363 since · what operators and shops told the FAA

0142842569502071218125
Failure reports by year, as a table
reports
951
974
983
0011
0156
0252
0346
0432
0537
0623
0715
0816
0912
1014
119
1211
132
145
153
173
181
194
211
241
251

Parts most often reported as the reports name them

Bolt15Pump10Cylinder8Regulator8Skin8Tube8Spar7Wheel7Bearing6Brace6
Parts most reported, as a table
reports
Bolt15
Pump10
Cylinder8
Regulator8
Skin8
Tube8
Spar7
Wheel7
Bearing6
Brace6

Latest reports

2025-05-20Actuator: broken
2024-03-05Magneto: worn
2021-05-19None: collapsed
2019-12-26Torque Link: separated
2019-08-07Probe: false indication

Certificates and bulletins

E14EAType certificate held by Lycoming Engines · 40 models listed · revised May 24, 2012

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
2011-03-31NE-08-26R3 · Magneto/Distributor
2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft

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

These connections as data: /graph/engine/lycoming-tio-540-series.json · about the eFlight graph.

Aircraft newest certificates first · 5,079

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N75196 Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2017-08-01 ValidFAA registration status code V: Valid registration. All codes
N9065P Piper
PA-24-260
Fixed-wing, single engine Individual owner
South Dakota
Standard 2017-08-01 ValidFAA registration status code V: Valid registration. All codes
N700WZ Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Individual owner
New Jersey
Standard 2017-07-31 ValidFAA registration status code V: Valid registration. All codes
N292H Piper
PA-32R-301T
Fixed-wing, single engine Carlisle Services LLC
Pine Mountain, Georgia
Standard 2017-07-25 ValidFAA registration status code V: Valid registration. All codes
N207MD Piper
PA-31-325
Fixed-wing, multi-engine Gv Air INC
Medford, Oregon
Standard 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N3520X Piper
PA-31-325
Fixed-wing, multi-engine Gv Air INC
Medford, Oregon
Standard 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N62923 Piper
PA-31-325
Fixed-wing, multi-engine Gv Air INC
Medford, Oregon
Standard 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N9129P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N4277R Piper
PA-32-300
Fixed-wing, single engine Foxtrot Golf LLC
Kalispell, Montana
Standard 2017-07-20 ValidFAA registration status code V: Valid registration. All codes
N5482T Cessna
R182
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2017-07-17 ValidFAA registration status code V: Valid registration. All codes
N669CW Piper
PA-31-310
Fixed-wing, multi-engine Precision Air INC
Nelson Lagoon, Alaska
Standard 2017-07-17 ValidFAA registration status code V: Valid registration. All codes
N959MM Piper
PA-32R-301T
Fixed-wing, single engine Bugle Equipment and Leasing LLC
Houston, Texas
Standard 2017-07-14 ValidFAA registration status code V: Valid registration. All codes
N423JT Piper
PA 46-350P
Fixed-wing, single engine Southeast Air Tran LLC
Hahira, Georgia
Standard 2017-07-12 ValidFAA registration status code V: Valid registration. All codes
N8471B Piper
PA-32R-301T
Fixed-wing, single engine Just Did It LLC
Tampa, Florida
Standard 2017-07-11 ValidFAA registration status code V: Valid registration. All codes
N9299X Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2017-07-10 ValidFAA registration status code V: Valid registration. All codes
N8785F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2017-07-06 ValidFAA registration status code V: Valid registration. All codes
N6221J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2017-06-30 ValidFAA registration status code V: Valid registration. All codes
N4112R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2017-06-28 ValidFAA registration status code V: Valid registration. All codes
N100P Piper
PA-31-350
Fixed-wing, multi-engine Out Island Magic LLC
Gainesville, Florida
Standard 2017-06-27 ValidFAA registration status code V: Valid registration. All codes
N78EH Piper
PA-32RT-300T
Fixed-wing, single engine N78Eh Management LLC
Lewes, Delaware
Standard 2017-06-27 ValidFAA registration status code V: Valid registration. All codes
N151ST Piper
PA-31-350
Fixed-wing, multi-engine Wildman Lake Lodge INC
Anchorage, Alaska
Standard 2017-06-23 ValidFAA registration status code V: Valid registration. All codes
N114AD Commander Aircraft Co
114TC
Fixed-wing, single engine Individual owner
Ohio
Standard 2017-06-21 ValidFAA registration status code V: Valid registration. All codes
N155EP Piper
PA-23-250
Fixed-wing, multi-engine Gogoplex LLC
Wilmington, Delaware
Standard 2017-06-21 ValidFAA registration status code V: Valid registration. All codes
N42RC Piper
PA-31-350
Fixed-wing, multi-engine Rci Air INC
Bridgeport, Connecticut
Standard 2017-06-21 ValidFAA registration status code V: Valid registration. All codes
N4131W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2017-06-19 ValidFAA registration status code V: Valid registration. All codes
N9687K Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Utah
Standard 2017-06-16 ValidFAA registration status code V: Valid registration. All codes
N7270V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Airmotive Service LLC
Brigham City, Utah
Restricted 2017-06-06 ValidFAA registration status code V: Valid registration. All codes
N531HP Cessna
T206H
Fixed-wing, single engine Florida Highway Patrol
Tampa, Florida
Standard 2017-06-01 ValidFAA registration status code V: Valid registration. All codes
N54SS Piper
PA-32RT-300
Fixed-wing, single engine Ninja Turtle LLC
Fuquay Varina, North Carolina
Standard 2017-05-31 ValidFAA registration status code V: Valid registration. All codes
N410RA Piper
PA-23-250
Fixed-wing, multi-engine Bradley Aviation Group LLC
Van Nuys, California
Standard 2017-05-25 ValidFAA registration status code V: Valid registration. All codes
N4599X Piper
PA-32-300
Fixed-wing, single engine Star Marianas Air INC
Saipan, Northern Mariana Islands
Standard 2017-05-24 ValidFAA registration status code V: Valid registration. All codes
N829C Piper
PA32-301XTC
Fixed-wing, single engine Jetran LLC
Horseshoe Bay, Texas
Standard 2017-05-23 ValidFAA registration status code V: Valid registration. All codes
N1002G Mooney
M20M
Fixed-wing, single engine Flying Fox Aviation LLC
Idaho Falls, Idaho
Standard 2017-05-22 ValidFAA registration status code V: Valid registration. All codes
N36BA Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2017-05-22 ValidFAA registration status code V: Valid registration. All codes
N894AR Mooney
M20M
Fixed-wing, single engine Layke Tool and Manufacturing CO
Meadville, Pennsylvania
Standard 2017-05-18 ValidFAA registration status code V: Valid registration. All codes
N9505P Piper
PA-24-260
Fixed-wing, single engine Always Direct Airways LLC
Indian Trail, North Carolina
Standard 2017-05-18 ValidFAA registration status code V: Valid registration. All codes
N881DT Piper
PA-32R-301T
Fixed-wing, single engine Cleary Brothers LLC
Tompkinsville, Kentucky
Standard 2017-05-15 ValidFAA registration status code V: Valid registration. All codes
N373MA Cessna
T206H
Fixed-wing, single engine Individual owner
Colorado
Standard 2017-05-11 ValidFAA registration status code V: Valid registration. All codes
N831DK Cessna
T182T
Fixed-wing, single engine Individual owner
New Jersey
Standard 2017-05-11 ValidFAA registration status code V: Valid registration. All codes
N1953H Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2017-05-10 ValidFAA registration status code V: Valid registration. All codes
N2191B Piper
PA-32RT-300
Fixed-wing, single engine Petersburg Flying Service LLC
Petersburg, Nebraska
Standard 2017-05-09 ValidFAA registration status code V: Valid registration. All codes
N57859 Piper
PA-36-300
Fixed-wing, single engine Airmotive Service LLC
Brigham City, Utah
Restricted 2017-05-09 ValidFAA registration status code V: Valid registration. All codes
N2062M Piper
PA-32R-300
Fixed-wing, single engine Jadma LLC
Helena, Montana
Standard 2017-05-08 ValidFAA registration status code V: Valid registration. All codes
N27699 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2017-05-08 ValidFAA registration status code V: Valid registration. All codes
N39577 Piper
PA-32RT-300T
Fixed-wing, single engine Environmental Management Specialists INC
Huntertown, Indiana
Standard 2017-05-08 ValidFAA registration status code V: Valid registration. All codes
N300WA Piper
PA-31
Fixed-wing, multi-engine Thunderbolt Air LLC
Granbury, Texas
Standard 2017-05-05 ValidFAA registration status code V: Valid registration. All codes
N355RZ Mooney
M20M
Fixed-wing, single engine Kpae Partners LLC
Issaquah, Washington
Standard 2017-05-03 ValidFAA registration status code V: Valid registration. All codes
N8626N Piper
PA-32-300
Fixed-wing, single engine Cf Aviation LLC
Wellington, Florida
Standard 2017-05-03 ValidFAA registration status code V: Valid registration. All codes
N4162Z Piper
PA-32R-301T
Fixed-wing, single engine Spirit Flyers INC
Saint Louis, Missouri
Standard 2017-05-02 ValidFAA registration status code V: Valid registration. All codes
N4205R Piper
PA-32-300
Fixed-wing, single engine Marking Refrigeration INC
Omaha, Nebraska
Standard 2017-05-02 ValidFAA registration status code V: Valid registration. All codes
N1049X Piper
PA-32-300
Fixed-wing, single engine Valleyside Farm LLC
Woodstock, Connecticut
Standard 2017-04-28 ValidFAA registration status code V: Valid registration. All codes
N5832V Mooney
M20M
Fixed-wing, single engine Individual owner
Florida
Standard 2017-04-27 ValidFAA registration status code V: Valid registration. All codes
N1404Y Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Individual owner
Texas
Standard 2017-04-26 ValidFAA registration status code V: Valid registration. All codes
N32139 Piper
PA-32-300
Fixed-wing, single engine Bidzy Ta Hot Aana Corporation
Dillingham, Alaska
Standard 2017-04-24 ValidFAA registration status code V: Valid registration. All codes
N4239A Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
California
Standard 2017-04-24 ValidFAA registration status code V: Valid registration. All codes
N5208S Cessna
182T
Fixed-wing, single engine 5Fs Aviation LLC
Lewes, Delaware
Standard 2017-04-20 ValidFAA registration status code V: Valid registration. All codes
N669J Aero Commander
500-B
Fixed-wing, multi-engine Cloud Splitter INC
Columbia, California
Standard 2017-04-20 ValidFAA registration status code V: Valid registration. All codes
N27990 Piper
PA-31-350
Fixed-wing, multi-engine Aztec Worldwide Airlines INC
Wilmington, Delaware
Standard 2017-04-19 ValidFAA registration status code V: Valid registration. All codes
N9303P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Idaho
Standard 2017-04-19 ValidFAA registration status code V: Valid registration. All codes
N9299P Piper
PA 46-350P
Fixed-wing, single engine Fusion Flight Management LLC
Lake Havasu City, Arizona
Standard 2017-04-14 ValidFAA registration status code V: Valid registration. All codes
N44685 Piper
PA-32-300
Fixed-wing, single engine Sundance Air Charter LLC
Portland, Oregon
Standard 2017-04-13 ValidFAA registration status code V: Valid registration. All codes
N7259V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2017-04-10 ValidFAA registration status code V: Valid registration. All codes
N28934 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2017-04-07 ValidFAA registration status code V: Valid registration. All codes
N177DF Piper
PA-32-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2017-04-06 ValidFAA registration status code V: Valid registration. All codes
N9342P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Florida
Standard 2017-03-30 ValidFAA registration status code V: Valid registration. All codes
N9110W Piper Aircraft Inc
PA-32R-301T
Fixed-wing, single engine Rg Air LLC
Muscle Shoals, Alabama
Standard 2017-03-29 ValidFAA registration status code V: Valid registration. All codes
N70FL Piper
PA-31-350
Fixed-wing, multi-engine Fl Jet Services INC
Miami Springs, Florida
Standard 2017-03-28 ValidFAA registration status code V: Valid registration. All codes
N59865 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Arkansas
Standard 2017-03-24 ValidFAA registration status code V: Valid registration. All codes
N831GW Smith
AEROSTAR 601P
Fixed-wing, multi-engine Aspen Flight Operations LLC
Carbondale, Colorado
Standard 2017-03-22 ValidFAA registration status code V: Valid registration. All codes
N2129G Piper
PA-32RT-300T
Fixed-wing, single engine North Central Marketing INC
Cranston, Rhode Island
Standard 2017-03-21 ValidFAA registration status code V: Valid registration. All codes
N200HM Piper
PA-32R-300
Fixed-wing, single engine Bill Keck Aviation LLC
Marlow, Oklahoma
Standard 2017-03-16 ValidFAA registration status code V: Valid registration. All codes
N3549X Piper
PA-31-350
Fixed-wing, multi-engine Airplane Four LLC
Miami, Florida
Standard 2017-03-16 ValidFAA registration status code V: Valid registration. All codes
N38854 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2017-03-13 ValidFAA registration status code V: Valid registration. All codes
N904JD Cessna
T206H
Fixed-wing, single engine Td Ventures INC
Las Vegas, Nevada
Standard 2017-03-13 ValidFAA registration status code V: Valid registration. All codes
N624ME Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2017-03-09 ValidFAA registration status code V: Valid registration. All codes
N1328N Cessna
T182T
Fixed-wing, single engine First Agri INC
Sudan, Texas
Standard 2017-03-01 ValidFAA registration status code V: Valid registration. All codes
N3030J Piper
PA-32RT-300T
Fixed-wing, single engine Jav Air LLC
Scottsdale, Arizona
Standard 2017-02-28 ValidFAA registration status code V: Valid registration. All codes
N321AC Piper
PA-23-250
Fixed-wing, multi-engine B & H Aviation LLC
Marion, Kentucky
Standard 2017-02-27 ValidFAA registration status code V: Valid registration. All codes
N977TM Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
California
Standard 2017-02-23 ValidFAA registration status code V: Valid registration. All codes
N21469 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
California
Standard 2017-02-22 ValidFAA registration status code V: Valid registration. All codes
N8258P Piper
PA-24-250
Fixed-wing, single engine Things That Fly LLC
Phoenix, Arizona
Standard 2017-02-17 ValidFAA registration status code V: Valid registration. All codes
N8937N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2017-02-17 ValidFAA registration status code V: Valid registration. All codes
N100GS Beech
B-60
Fixed-wing, multi-engine Pegasus Florida I INC
San Diego, California
Standard 2017-02-16 ValidFAA registration status code V: Valid registration. All codes
N14252 Piper
PA-23-250
Fixed-wing, multi-engine Caja Aviation LLC
Cheyenne, Wyoming
Standard 2017-02-16 ValidFAA registration status code V: Valid registration. All codes
N13987 Piper
PA-23-250
Fixed-wing, multi-engine Island Birds INC
St Thomas, U.S. Virgin Islands
Standard 2017-02-15 ValidFAA registration status code V: Valid registration. All codes
N40267 Piper
PA-23-250
Fixed-wing, multi-engine Island Birds INC
St Thomas, U.S. Virgin Islands
Standard 2017-02-15 ValidFAA registration status code V: Valid registration. All codes
N427JK Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Texas
Standard 2017-02-15 ValidFAA registration status code V: Valid registration. All codes
N54089 Piper
PA-23-250
Fixed-wing, multi-engine Island Birds INC
St Thomas, U.S. Virgin Islands
Standard 2017-02-15 ValidFAA registration status code V: Valid registration. All codes
N9409P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2017-02-14 ValidFAA registration status code V: Valid registration. All codes
N925BF Cessna
T206H
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2017-02-13 ValidFAA registration status code V: Valid registration. All codes
N1815U Cessna
T182T
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2017-02-09 ValidFAA registration status code V: Valid registration. All codes
N412BW Cessna
T182T
Fixed-wing, single engine Gms Storage Solutions LLC
Lake Oswego, Oregon
Standard 2017-02-09 ValidFAA registration status code V: Valid registration. All codes
N58EB Cessna
T206H
Fixed-wing, single engine Conservation Flight LLC
Bronx, New York
Standard 2017-02-09 ValidFAA registration status code V: Valid registration. All codes
N571DT Cessna
T182T
Fixed-wing, single engine Individual owner
North Dakota
Standard 2017-02-07 ValidFAA registration status code V: Valid registration. All codes
N4384X Piper
PA-32-300
Fixed-wing, single engine Precision Aviation Partners LLC
Elko, Nevada
Standard 2017-02-06 ValidFAA registration status code V: Valid registration. All codes
N7651H Piper
PA-32-300
Fixed-wing, single engine Gosbrook Aviation LLC
Lewes, Delaware
Standard 2017-02-03 ValidFAA registration status code V: Valid registration. All codes
N2365J Cessna
T206H
Fixed-wing, single engine Individual owner
Nebraska
Standard 2017-02-01 ValidFAA registration status code V: Valid registration. All codes
N8711P Piper
PA-24-260
Fixed-wing, single engine International Academy of Dance LLC
Santa Cruz, California
Standard 2017-01-31 ValidFAA registration status code V: Valid registration. All codes
N86HC Piper
PA-32R-301T
Fixed-wing, single engine N86Hc LLC
Rochelle, Illinois
Standard 2017-01-27 ValidFAA registration status code V: Valid registration. All codes
N325CR Piper
PA-31-325
Fixed-wing, multi-engine Diaz Aviation LLC
South New Berlin, New York
Standard 2017-01-24 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.