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
N688MB Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2020-01-09 ValidFAA registration status code V: Valid registration. All codes
N42HD Piper
PA-31-350
Fixed-wing, multi-engine Msm42H LLC
Jericho, New York
Standard 2020-01-08 ValidFAA registration status code V: Valid registration. All codes
N55BZ Aero Commander
500-B
Fixed-wing, multi-engine Dead Ant Aviation LLC
Wilmington, Delaware
Standard 2020-01-08 ValidFAA registration status code V: Valid registration. All codes
N8126P Piper
PA-24-250
Fixed-wing, single engine Csm Holding LLC
Boscobel, Wisconsin
Standard 2020-01-08 ValidFAA registration status code V: Valid registration. All codes
N49LB Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2020-01-07 ValidFAA registration status code V: Valid registration. All codes
N9146P Piper
PA-24-260
Fixed-wing, single engine Black Diamond Aviation LLC
Levelland, Texas
Standard 2020-01-07 ValidFAA registration status code V: Valid registration. All codes
N12TZ Smith
AEROSTAR 601
Fixed-wing, multi-engine J H O Enterprises INC
Carol Stream, Illinois
Standard 2020-01-03 ValidFAA registration status code V: Valid registration. All codes
N6300Y Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2020-01-03 ValidFAA registration status code V: Valid registration. All codes
N182JZ Cessna
T182T
Fixed-wing, single engine Mercer Fraser CO
Eureka, California
Standard 2020-01-02 ValidFAA registration status code V: Valid registration. All codes
N54221 Piper
PA-23-250
Fixed-wing, multi-engine Emission-Air INC
Lexington, North Carolina
Standard 2019-12-26 ValidFAA registration status code V: Valid registration. All codes
N5246S Piper
PA-32-300
Fixed-wing, single engine Papa Kilo Aviation LLC
Palm Beach, Florida
Standard 2019-12-23 ValidFAA registration status code V: Valid registration. All codes
N5702Y Piper
PA-23-250
Fixed-wing, multi-engine Lil Dawg Aviation INC
Wilmington, Delaware
Standard 2019-12-23 ValidFAA registration status code V: Valid registration. All codes
N12WZ Socata
TB21
Fixed-wing, single engine Nortech Data Services INC
Wilmington, Delaware
Standard 2019-12-20 ValidFAA registration status code V: Valid registration. All codes
N5683Y Piper
PA-23-250
Fixed-wing, multi-engine Caribbean Flyer LLC
Kinshill, U.S. Virgin Islands
Standard 2019-12-20 ValidFAA registration status code V: Valid registration. All codes
N41166 Piper
PA-31-350
Fixed-wing, multi-engine Moyer Aviation INC
Tobyhanna, Pennsylvania
Standard 2019-12-18 ValidFAA registration status code V: Valid registration. All codes
N62818 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Virginia
Standard 2019-12-17 ValidFAA registration status code V: Valid registration. All codes
N722TT Smith
AEROSTAR 600
Fixed-wing, multi-engine Next Gen Aviation LLC
Jenks, Oklahoma
Standard 2019-12-16 ValidFAA registration status code V: Valid registration. All codes
N8556P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2019-12-16 ValidFAA registration status code V: Valid registration. All codes
N8900P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kansas
Standard 2019-12-16 ValidFAA registration status code V: Valid registration. All codes
N917CF Cessna
T206H
Fixed-wing, single engine N917Cf LLC
Tucson, Arizona
Standard 2019-12-12 ValidFAA registration status code V: Valid registration. All codes
N6044Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2019-12-10 ValidFAA registration status code V: Valid registration. All codes
N35679 Piper
PA-32R-301T
Fixed-wing, single engine Mid Valley Flying LLC
Progreso, Texas
Standard 2019-12-06 ValidFAA registration status code V: Valid registration. All codes
N40557 Piper
PA-23-250
Fixed-wing, multi-engine Legacy Aviation LLC
Tea, South Dakota
Standard 2019-12-06 ValidFAA registration status code V: Valid registration. All codes
N39873 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Texas
Standard 2019-12-05 ValidFAA registration status code V: Valid registration. All codes
N56AD Piper
PA-23-250
Fixed-wing, multi-engine Tifc LLC
Winnsboro, South Carolina
Standard 2019-12-04 ValidFAA registration status code V: Valid registration. All codes
N14386 Piper
PA-23-250
Fixed-wing, multi-engine Blue Star Aviation Services LLC
Shippensburg, Pennsylvania
Standard 2019-11-25 ValidFAA registration status code V: Valid registration. All codes
N1938S Aero Commander
500 S
Fixed-wing, multi-engine Cavu Aviation LLC
North Yarmouth, Maine
Standard 2019-11-21 ValidFAA registration status code V: Valid registration. All codes
N650MA Cessna
T206H
Fixed-wing, single engine Terra Flight Aerial Imaging INC
Spring, Texas
Standard 2019-11-20 ValidFAA registration status code V: Valid registration. All codes
N8041M Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
New Jersey
Standard 2019-11-20 ValidFAA registration status code V: Valid registration. All codes
N1548X Piper
PA-32-300
Fixed-wing, single engine Southern Turf Services LLC
West Palm Beach, Florida
Standard 2019-11-19 ValidFAA registration status code V: Valid registration. All codes
N4151R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nevada
Standard 2019-11-19 ValidFAA registration status code V: Valid registration. All codes
N9224P Piper
PA-24-260
Fixed-wing, single engine Ande Leasing CO LLC
Edgewood, New Mexico
Standard 2019-11-18 ValidFAA registration status code V: Valid registration. All codes
N3523D Piper
PA-31-350
Fixed-wing, multi-engine Quick Gas Aviation LLC
Thomasville, Georgia
Standard 2019-11-16 ValidFAA registration status code V: Valid registration. All codes
N4143R Piper
PA-32-300
Fixed-wing, single engine Con Air Aviation LLC
Borger, Texas
Standard 2019-11-15 ValidFAA registration status code V: Valid registration. All codes
N8795P Piper
PA-24-260
Fixed-wing, single engine Jejgr LLC
Presho, South Dakota
Standard 2019-11-08 ValidFAA registration status code V: Valid registration. All codes
N5963Y Piper
PA-23-250
Fixed-wing, multi-engine S and S Aviation Consulting
Hampshire, Illinois
Standard 2019-11-06 ValidFAA registration status code V: Valid registration. All codes
N89GB Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2019-11-05 ValidFAA registration status code V: Valid registration. All codes
N96342 Piper
PA-31-350
Fixed-wing, multi-engine Aircraft & Aviation Professionals LLC
Coldwater, Michigan
Standard 2019-11-01 ValidFAA registration status code V: Valid registration. All codes
N8578P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2019-10-30 ValidFAA registration status code V: Valid registration. All codes
N9029P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2019-10-29 ValidFAA registration status code V: Valid registration. All codes
N9325P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2019-10-29 ValidFAA registration status code V: Valid registration. All codes
N8923N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2019-10-28 ValidFAA registration status code V: Valid registration. All codes
N56631 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2019-10-24 ValidFAA registration status code V: Valid registration. All codes
N1065S Mooney
M20M
Fixed-wing, single engine Individual owner
Maryland
Standard 2019-10-23 ValidFAA registration status code V: Valid registration. All codes
N2391E Cessna
T206H
Fixed-wing, single engine Innova Energy LLC
Wilmington, Delaware
Standard 2019-10-22 ValidFAA registration status code V: Valid registration. All codes
N919BT Mooney
M20M
Fixed-wing, single engine Individual owner
New Mexico
Standard 2019-10-21 ValidFAA registration status code V: Valid registration. All codes
N524KC Piper
PA32-301FT
Fixed-wing, single engine Emanon LLC
Apex, North Carolina
Standard 2019-10-15 ValidFAA registration status code V: Valid registration. All codes
N1591X Piper
PA-32-300
Fixed-wing, single engine Task Aviation LLC
Vancouver, Washington
Standard 2019-10-11 ValidFAA registration status code V: Valid registration. All codes
N32810 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2019-10-10 ValidFAA registration status code V: Valid registration. All codes
N4501L Evangel Air
4500-300-II
Fixed-wing, multi-engine Pleasant Aviation LLC
Mount Pleasant, Texas
Standard 2019-10-10 ValidFAA registration status code V: Valid registration. All codes
N8405P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2019-10-10 ValidFAA registration status code V: Valid registration. All codes
N13882 Piper
PA-23-250
Fixed-wing, multi-engine Gc Aviation Services-1 LLC
Miamisburg, Ohio
Standard 2019-10-09 ValidFAA registration status code V: Valid registration. All codes
N4064R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2019-10-09 ValidFAA registration status code V: Valid registration. All codes
N4209R Piper
PA-32-300
Fixed-wing, single engine Lo-Flyer 235 LLC
Boyle, Mississippi
Standard 2019-10-09 ValidFAA registration status code V: Valid registration. All codes
N27447 Piper
PA-31-325
Fixed-wing, multi-engine Laingkids LLC
Lewes, Delaware
Standard 2019-10-04 ValidFAA registration status code V: Valid registration. All codes
N8573P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Mississippi
Standard 2019-10-03 ValidFAA registration status code V: Valid registration. All codes
N5008A Piper
PA-23-250
Fixed-wing, multi-engine Wings Like Eagles LLC
Wilmington, Delaware
Standard 2019-10-01 ValidFAA registration status code V: Valid registration. All codes
N7265 Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2019-09-27 ValidFAA registration status code V: Valid registration. All codes
N80ND Piper
PA-24-260
Fixed-wing, single engine Individual owner
Georgia
Standard 2019-09-25 ValidFAA registration status code V: Valid registration. All codes
N6201A Cessna
T182T
Fixed-wing, single engine Phenix Transportation LLC
Sheridan, Wyoming
Standard 2019-09-23 ValidFAA registration status code V: Valid registration. All codes
N7729V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine New England Soaring Tug LLC
Perkinsville, Vermont
Restricted 2019-09-23 ValidFAA registration status code V: Valid registration. All codes
N8254R Bellanca
17-31A
Fixed-wing, single engine Individual owner
Minnesota
Standard 2019-09-18 ValidFAA registration status code V: Valid registration. All codes
N88RA Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Montana
Standard 2019-09-18 ValidFAA registration status code V: Valid registration. All codes
N170TA Piper
PA-23-250
Fixed-wing, multi-engine Keystone Aerial Surveys INC
Philadelphia, Pennsylvania
Standard 2019-09-16 ValidFAA registration status code V: Valid registration. All codes
N216PW Piper
PA-32R-301T
Fixed-wing, single engine Papa Whiskey LLC
Chicago, Illinois
Standard 2019-09-16 ValidFAA registration status code V: Valid registration. All codes
N5020A Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2019-09-14 ValidFAA registration status code V: Valid registration. All codes
N715LM Piper
PA 46-350P
Fixed-wing, single engine Intepros INC
Jupiter, Florida
Standard 2019-09-13 ValidFAA registration status code V: Valid registration. All codes
N883HP Cessna
T206H
Fixed-wing, single engine Studio 15 Commercial Interiors INC
Cherokee, North Carolina
Standard 2019-09-13 ValidFAA registration status code V: Valid registration. All codes
N43428 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Nevada
Standard 2019-09-12 ValidFAA registration status code V: Valid registration. All codes
N8768K Piper
PA-32-300
Fixed-wing, single engine Withheld at owner's request
Standard 2019-09-12 ValidFAA registration status code V: Valid registration. All codes
N9776E Bellanca
17-31ATC
Fixed-wing, single engine T2Tc LLC
Enka, North Carolina
Standard 2019-09-11 ValidFAA registration status code V: Valid registration. All codes
N33307 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2019-09-09 ValidFAA registration status code V: Valid registration. All codes
N4001R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2019-09-09 ValidFAA registration status code V: Valid registration. All codes
N62654 Piper
PA-23-250
Fixed-wing, multi-engine Skylens LLC
Hammond, Louisiana
Standard 2019-09-06 ValidFAA registration status code V: Valid registration. All codes
N100NE Piper
PA-31-310
Fixed-wing, multi-engine Sanborn Map CO INC
Colorado Springs, Colorado
Restricted 2019-09-03 ValidFAA registration status code V: Valid registration. All codes
N1862H Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2019-09-03 ValidFAA registration status code V: Valid registration. All codes
N6624V Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Oregon
Standard 2019-09-03 ValidFAA registration status code V: Valid registration. All codes
N9109P Piper
PA-24-260
Fixed-wing, single engine Pondo INC
Wilmington, Delaware
Standard 2019-09-03 ValidFAA registration status code V: Valid registration. All codes
N110ST Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2019-08-30 ValidFAA registration status code V: Valid registration. All codes
N710JP Piper
PA-31-350
Fixed-wing, multi-engine St Matthew Aviation Company LLC
Kalispell, Montana
Standard 2019-08-29 ValidFAA registration status code V: Valid registration. All codes
N12KW Piper
PA 46-350P
Fixed-wing, single engine Allied Moulded Products INC
Bryan, Ohio
Standard 2019-08-28 ValidFAA registration status code V: Valid registration. All codes
N8448Y Piper
PA-32R-301T
Fixed-wing, single engine Desert Green Turf INC
Moses Lake, Washington
Standard 2019-08-28 ValidFAA registration status code V: Valid registration. All codes
N2081A Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Florida
Standard 2019-08-26 ValidFAA registration status code V: Valid registration. All codes
N33699 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2019-08-26 ValidFAA registration status code V: Valid registration. All codes
N6836Y Piper
PA-23-250
Fixed-wing, multi-engine Old School Aircraft LLC
Jackson, Tennessee
Standard 2019-08-22 ValidFAA registration status code V: Valid registration. All codes
N8392P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2019-08-22 ValidFAA registration status code V: Valid registration. All codes
N9119P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2019-08-22 ValidFAA registration status code V: Valid registration. All codes
N2400T Cessna
T206H
Fixed-wing, single engine Aircraft Guaranty Corporation Trustee
Oklahoma City, Oklahoma
Standard 2019-08-21 ValidFAA registration status code V: Valid registration. All codes
N27528 Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Georgia
Standard 2019-08-20 ValidFAA registration status code V: Valid registration. All codes
N8687N Piper
PA-32-300
Fixed-wing, single engine Open Air LLC
Glendale, Arizona
Standard 2019-08-19 ValidFAA registration status code V: Valid registration. All codes
N626LS Cessna
T182T
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2019-08-14 ValidFAA registration status code V: Valid registration. All codes
N65MR Piper
PA-31-310
Fixed-wing, multi-engine Atarah LLC
Tucson, Arizona
Standard 2019-08-14 ValidFAA registration status code V: Valid registration. All codes
N2105B Piper
PA-32RT-300T
Fixed-wing, single engine Nwf Aviation LLC
Defuniak Springs, Florida
Standard 2019-08-13 ValidFAA registration status code V: Valid registration. All codes
N182HZ Cessna
T182T
Fixed-wing, single engine Individual owner
Montana
Standard 2019-08-08 ValidFAA registration status code V: Valid registration. All codes
N6238Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2019-08-06 ValidFAA registration status code V: Valid registration. All codes
N6269Y Piper
PA-23-250
Fixed-wing, multi-engine N6269Y Six Place LLC
Miami, Florida
Standard 2019-08-06 ValidFAA registration status code V: Valid registration. All codes
N182GM Cessna
182T
Fixed-wing, single engine Individual owner
Florida
Standard 2019-08-05 ValidFAA registration status code V: Valid registration. All codes
N4136S Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2019-07-29 ValidFAA registration status code V: Valid registration. All codes
N55WH Piper
PA 46-350P
Fixed-wing, single engine Svetair INC Trustee
Wilmington, Delaware
Standard 2019-07-29 ValidFAA registration status code V: Valid registration. All codes
N212GP Piper
PA-24-250
Fixed-wing, single engine Wibel Enterprises INC
Crossville, Tennessee
Standard 2019-07-26 ValidFAA registration status code V: Valid registration. All codes
Previous Page 28 of 51 Next

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.