The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 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.

Fitted to model families

Piper PA-32 Cherokee Six, Lance and Saratoga1,727Piper PA-31 Navajo and Chieftain561Piper PA-24 Comanche535Piper PA-23 Apache and Aztec513Cessna T182 Turbo Skylane313Piper PA-46 Malibu, Mirage, Matrix and M-Class254Cessna T206 Turbo Stationair253Mooney M-20223Bellanca 17 Viking109Aero Commander 50095Rockwell International 11476Smith AEROSTAR 60173

Piper PA-32 Cherokee Six, Lance and Saratoga · Piper PA-31 Navajo and Chieftain · Piper PA-24 Comanche · Piper PA-23 Apache and Aztec · Cessna T182 Turbo Skylane · Piper PA-46 Malibu, Mirage, Matrix and M-Class · Cessna T206 Turbo Stationair · Mooney M-20 · Bellanca 17 Viking · Aero Commander 500

Where they are owner's state

Florida519Texas494California391Delaware238Arizona150Colorado142Georgia135Ohio129Alaska127Tennessee117

Kind of aircraft

Piston singles3,407 (67%)Piston twins1,350 (27%)Turboprops319 (6%)Helicopters3 (0.1%)

When the aircraft were built by decade

04288561,2841,7121940195019601970198019902000201042020

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

Parts most often reported as the reports name them

Bolt15Pump10Cylinder8Regulator8Skin8Tube8Spar7Wheel7Bearing6Brace6

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
N2446E Cessna
T206H
Fixed-wing, single engine Sugarloaf Air LLC
Wilmington, Delaware
Standard 2024-11-22 ValidFAA registration status code V: Valid registration. All codes
N3HM Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2024-11-22 ValidFAA registration status code V: Valid registration. All codes
N906DG Cessna
T182T
Fixed-wing, single engine Expensive Hobby LLC
Whitehouse Station, New Jersey
Standard 2024-11-22 ValidFAA registration status code V: Valid registration. All codes
N301TM Mooney
M20M
Fixed-wing, single engine Tlwm Private Air LLC
Tampa, Florida
Standard 2024-11-21 ValidFAA registration status code V: Valid registration. All codes
N4824W Rockwell International
114
Fixed-wing, single engine Fmp Properties LLC
Joplin, Missouri
Standard 2024-11-21 ValidFAA registration status code V: Valid registration. All codes
N5349H Cessna
T182T
Fixed-wing, single engine Aviation Advisor INC
Kenosha, Wisconsin
Standard 2024-11-21 ValidFAA registration status code V: Valid registration. All codes
N61430 Piper
PA-31-310
Fixed-wing, multi-engine Arias Aviation INC
Wilmington, Delaware
Standard 2024-11-21 ValidFAA registration status code V: Valid registration. All codes
N4106F Piper
PA-31-350
Fixed-wing, multi-engine Rocket Air Charter LLC
Melbourne, Florida
Standard 2024-11-19 ValidFAA registration status code V: Valid registration. All codes
N517FD Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Alaska
Standard 2024-11-19 ValidFAA registration status code V: Valid registration. All codes
N6817Y Piper
PA-23-250
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2024-11-15 ValidFAA registration status code V: Valid registration. All codes
N333FS Piper
PA-23-250
Fixed-wing, multi-engine Aerodrome LLC
Louisville, Kentucky
Standard 2024-11-13 ValidFAA registration status code V: Valid registration. All codes
N67WY Cessna
T206H
Fixed-wing, single engine Tramel Air LLC
Midland, Texas
Standard 2024-11-13 ValidFAA registration status code V: Valid registration. All codes
N1287T Piper
PA-32-300
Fixed-wing, single engine Belle Casa Aero LLC
Tarpon Springs, Florida
Standard 2024-11-12 ValidFAA registration status code V: Valid registration. All codes
N65280 Cessna
T206H
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2024-11-12 ValidFAA registration status code V: Valid registration. All codes
N8301R Piper
PA-32RT-301T
Fixed-wing, single engine Gotgumbo LLC
Cranberry Township, Pennsylvania
Standard 2024-11-07 ValidFAA registration status code V: Valid registration. All codes
N8261T Piper
PA-32-301T
Fixed-wing, single engine Doss Brothers INC
Lawrenceburg, Tennessee
Standard 2024-11-06 ValidFAA registration status code V: Valid registration. All codes
N2245A Piper
PA-32RT-300T
Fixed-wing, single engine No Limits Aviation Group LLC
Louisville, Kentucky
Standard 2024-11-05 ValidFAA registration status code V: Valid registration. All codes
N22DT Piper
PA-32-300
Fixed-wing, single engine Martin Communications INC
West Monroe, Louisiana
Standard 2024-11-05 ValidFAA registration status code V: Valid registration. All codes
N27405 Piper
PA-31-350
Fixed-wing, multi-engine N27405 Holding LLC
Palm City, Florida
Standard 2024-11-04 ValidFAA registration status code V: Valid registration. All codes
N120DM Piper
PA-32-300
Fixed-wing, single engine Westfall Aviation LLC
Reno, Ohio
Standard 2024-11-01 ValidFAA registration status code V: Valid registration. All codes
N321AM Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Wyoming
Standard 2024-11-01 ValidFAA registration status code V: Valid registration. All codes
N93600 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Colorado
Standard 2024-11-01 ValidFAA registration status code V: Valid registration. All codes
N221GH Piper
PA-32R-300
Fixed-wing, single engine Witham Aviation LLC
Stuart, Florida
Standard 2024-10-31 ValidFAA registration status code V: Valid registration. All codes
N379BF Cessna
T182T
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-10-31 ValidFAA registration status code V: Valid registration. All codes
N5202S Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kentucky
Standard 2024-10-31 ValidFAA registration status code V: Valid registration. All codes
N700YW Rockwell International
700
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-10-31 ValidFAA registration status code V: Valid registration. All codes
N701YW Rockwell International
700
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-10-31 ValidFAA registration status code V: Valid registration. All codes
N2672T Piper
PA-28-235
Fixed-wing, single engine Individual owner
Minnesota
Standard 2024-10-30 ValidFAA registration status code V: Valid registration. All codes
N3098N Piper
PA 46-350P
Fixed-wing, single engine Valiair Lc Trustee
Casper, Wyoming
Standard 2024-10-30 ValidFAA registration status code V: Valid registration. All codes
N642WA Piper
PA-31-350
Fixed-wing, multi-engine Gunnslinger Air LLC
Destin, Florida
Standard 2024-10-30 ValidFAA registration status code V: Valid registration. All codes
N66YC Mooney
M20M
Fixed-wing, single engine Individual owner
Oregon
Standard 2024-10-30 ValidFAA registration status code V: Valid registration. All codes
N75195 Piper
PA-32R-300
Fixed-wing, single engine Swaz Aviation LLC
Mesa, Arizona
Standard 2024-10-29 ValidFAA registration status code V: Valid registration. All codes
N78GB Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-10-29 ValidFAA registration status code V: Valid registration. All codes
N1483C Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2024-10-28 ValidFAA registration status code V: Valid registration. All codes
N766VK Piper
PA-32R-300
Fixed-wing, single engine Wave Golf LLC
Kimberly, Alabama
Standard 2024-10-28 ValidFAA registration status code V: Valid registration. All codes
N3338Q Piper
PA-32-300
Fixed-wing, single engine Greenscapes Colorado INC
Strasburg, Colorado
Standard 2024-10-25 ValidFAA registration status code V: Valid registration. All codes
N6880Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2024-10-25 ValidFAA registration status code V: Valid registration. All codes
N9247L Piper
PA-31-350
Fixed-wing, multi-engine Genesis Aviation Enterprises INC
Fort Lauderdale, Florida
Standard 2024-10-25 ValidFAA registration status code V: Valid registration. All codes
N1028G Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2024-10-24 ValidFAA registration status code V: Valid registration. All codes
N5969V Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2024-10-24 ValidFAA registration status code V: Valid registration. All codes
N134CH Piper
PA-32RT-300T
Fixed-wing, single engine Teke Elevate LLC
San Antonio, Texas
Standard 2024-10-23 ValidFAA registration status code V: Valid registration. All codes
N241WF Piper
PA-31-350
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2024-10-23 ValidFAA registration status code V: Valid registration. All codes
N206AM Cessna
T206H
Fixed-wing, single engine Co-owned owner
New Jersey
Standard 2024-10-19 ValidFAA registration status code V: Valid registration. All codes
N13JB Smith
AEROSTAR 601P
Fixed-wing, multi-engine Altitude Aviation Services LLC
Mountain Home, Idaho
Standard 2024-10-18 ValidFAA registration status code V: Valid registration. All codes
N41874 Piper
PA 46-350P
Fixed-wing, single engine Tailwinds Leasing LLC
Missoula, Montana
Standard 2024-10-18 ValidFAA registration status code V: Valid registration. All codes
N56340 Piper
PA-32-300
Fixed-wing, single engine Mja Aviation LLC
Channahon, Illinois
Standard 2024-10-18 ValidFAA registration status code V: Valid registration. All codes
N91BP Piper
PA-31-325
Fixed-wing, multi-engine F3 Aviation LLC
Summerville, South Carolina
Standard 2024-10-18 ValidFAA registration status code V: Valid registration. All codes
N44GW Piper
PA 46-350P
Fixed-wing, single engine Reed Aviation LLC
Williamsport, Pennsylvania
Standard 2024-10-17 ValidFAA registration status code V: Valid registration. All codes
N4595X Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2024-10-17 ValidFAA registration status code V: Valid registration. All codes
N47MM Piper
PA-31-310
Fixed-wing, multi-engine Norstar Aviation LLC
Farmingdale, New York
Standard 2024-10-16 ValidFAA registration status code V: Valid registration. All codes
N59848 Piper
PA-31-325
Fixed-wing, multi-engine Sanborn Map CO INC
Colorado Springs, Colorado
Standard 2024-10-16 ValidFAA registration status code V: Valid registration. All codes
N325MR Piper
PA 46-350P
Fixed-wing, single engine Dv Group LLC
Clovis, California
Standard 2024-10-11 ValidFAA registration status code V: Valid registration. All codes
N7991V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine North Carolina Soaring Association
Zebulon, North Carolina
Restricted 2024-10-11 ValidFAA registration status code V: Valid registration. All codes
N6201X Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 2024-10-10 ValidFAA registration status code V: Valid registration. All codes
N890H Piper
PA-31-350
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2024-10-10 ValidFAA registration status code V: Valid registration. All codes
N9157P Piper
PA-24-260
Fixed-wing, single engine N9157P LLC
Mason, Michigan
Standard 2024-10-09 ValidFAA registration status code V: Valid registration. All codes
N40599 Piper
PA-23-250
Fixed-wing, multi-engine Tcb Aviation INC
Knoxville, Tennessee
Standard 2024-10-08 ValidFAA registration status code V: Valid registration. All codes
N3092S Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2024-10-07 ValidFAA registration status code V: Valid registration. All codes
N38746 Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2024-10-07 ValidFAA registration status code V: Valid registration. All codes
N544PB Piper
PA-32R-301T
Fixed-wing, single engine Portland Patrol INC
Lake Oswego, Oregon
Standard 2024-10-07 ValidFAA registration status code V: Valid registration. All codes
N698H Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-10-05 ValidFAA registration status code V: Valid registration. All codes
N5773Y Piper
PA-23-250
Fixed-wing, multi-engine Mccabe Aero LLC
Grand Haven, Michigan
Standard 2024-10-04 ValidFAA registration status code V: Valid registration. All codes
N8674P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2024-10-04 ValidFAA registration status code V: Valid registration. All codes
N111CF Piper
PA-31-350
Fixed-wing, multi-engine Gsm Tax & Insurance INC
Naples, Florida
Standard 2024-10-03 ValidFAA registration status code V: Valid registration. All codes
N517EA Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2024-10-03 ValidFAA registration status code V: Valid registration. All codes
N822JP Piper
PA-32R-301T
Fixed-wing, single engine Alm Aviation LLC
Florence, Alabama
Standard 2024-10-03 ValidFAA registration status code V: Valid registration. All codes
N83RA Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-10-03 ValidFAA registration status code V: Valid registration. All codes
N7260K Cessna
182S
Fixed-wing, single engine Ambitious Aviation LLC
Newport News, Virginia
Standard 2024-10-02 ValidFAA registration status code V: Valid registration. All codes
N747AT Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2024-10-02 ValidFAA registration status code V: Valid registration. All codes
N82303 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-10-02 ValidFAA registration status code V: Valid registration. All codes
N92HR Piper
PA-31-310
Fixed-wing, multi-engine Sweetsholdings LLC
Lewisville, Texas
Standard 2024-09-30 ValidFAA registration status code V: Valid registration. All codes
N445FM Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Washington
Standard 2024-09-28 ValidFAA registration status code V: Valid registration. All codes
N91516 Mooney
M20M
Fixed-wing, single engine Individual owner
Alabama
Standard 2024-09-27 ValidFAA registration status code V: Valid registration. All codes
N111SX Piper
PA 46-350P
Fixed-wing, single engine Jcccs Land and Cattle LLC
Harrisburg, Nebraska
Standard 2024-09-25 ValidFAA registration status code V: Valid registration. All codes
N46KJ Piper
PA 46-350P
Fixed-wing, single engine K-A Mirage LLC
Winnetka, Illinois
Standard 2024-09-24 ValidFAA registration status code V: Valid registration. All codes
N9942G Piper
PA-31-325
Fixed-wing, multi-engine Qualitair LLC Trustee
Michelstadt,
Standard 2024-09-24 ValidFAA registration status code V: Valid registration. All codes
N432BP Cessna
T182T
Fixed-wing, single engine Laporte Enterprises LLC
Midland, Texas
Standard 2024-09-21 ValidFAA registration status code V: Valid registration. All codes
N448A Piper
PA-32R-301T
Fixed-wing, single engine Weeke Aviation LLC
Kalispell, Montana
Standard 2024-09-20 ValidFAA registration status code V: Valid registration. All codes
N73CZ Piper
PA-31-350
Fixed-wing, multi-engine Bm Air LLC
Anaconda, Montana
Standard 2024-09-20 ValidFAA registration status code V: Valid registration. All codes
N95TC Piper
PA-31-350
Fixed-wing, multi-engine Mmec Air LLC
Oxford, Mississippi
Standard 2024-09-19 ValidFAA registration status code V: Valid registration. All codes
N484AP Piper
PA-32-301T
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2024-09-18 ValidFAA registration status code V: Valid registration. All codes
N6062Y Piper
PA-23-250
Fixed-wing, multi-engine Jahba LLC
Coral Springs, Florida
Standard 2024-09-18 ValidFAA registration status code V: Valid registration. All codes
N627MA Piper
PA-31-325
Fixed-wing, multi-engine Destination Alaska Air Service LLC
Homer, Alaska
Standard 2024-09-18 ValidFAA registration status code V: Valid registration. All codes
N775RA Piper
PA 31P 350
Fixed-wing, multi-engine Mojave 775Ra LLC
Roseburg, Oregon
Standard 2024-09-18 ValidFAA registration status code V: Valid registration. All codes
N8238P Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-09-18 ValidFAA registration status code V: Valid registration. All codes
N4087R Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2024-09-17 ValidFAA registration status code V: Valid registration. All codes
N8970P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Illinois
Standard 2024-09-17 ValidFAA registration status code V: Valid registration. All codes
N601SH Butler Aircraft Company
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2024-09-16 ValidFAA registration status code V: Valid registration. All codes
N61PL Smith
AEROSTAR 601P
Fixed-wing, multi-engine Astar 7 LLC
Middletown, Delaware
Standard 2024-09-16 ValidFAA registration status code V: Valid registration. All codes
N98LA Piper
PA-32R-301T
Fixed-wing, single engine Ewa LLC
Redding, California
Standard 2024-09-16 ValidFAA registration status code V: Valid registration. All codes
N8282K Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-09-13 ValidFAA registration status code V: Valid registration. All codes
N183MK Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2024-09-11 ValidFAA registration status code V: Valid registration. All codes
N410CP Piper
PA32-301XTC
Fixed-wing, single engine Nomad Flight One INC
Clearwater, Florida
Standard 2024-09-11 ValidFAA registration status code V: Valid registration. All codes
N53098 Cessna
T182T
Fixed-wing, single engine Co-owned owner
California
Standard 2024-09-10 ValidFAA registration status code V: Valid registration. All codes
N32MG Piper
PA-32R-301T
Fixed-wing, single engine Poor Boy Aero LLC
Seminole, Texas
Standard 2024-09-09 ValidFAA registration status code V: Valid registration. All codes
N8250P Piper
PA-24-250
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2024-09-09 ValidFAA registration status code V: Valid registration. All codes
N5193M Cessna
T182T
Fixed-wing, single engine Tar Pit Investments LLC
Austin, Texas
Standard 2024-09-05 ValidFAA registration status code V: Valid registration. All codes
N72SD Piper
PA-32-300
Fixed-wing, single engine Yooper Aviation LLC
Menominee, Michigan
Standard 2024-09-03 ValidFAA registration status code V: Valid registration. All codes
N8773P Piper
PA-24-260
Fixed-wing, single engine Mcfly Cornhusker LLC
Sarasota, Florida
Standard 2024-09-03 ValidFAA registration status code V: Valid registration. All codes
N326BW Aerofab Inc
LAKE 250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2024-09-01 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.