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.

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

Florida518Texas493California391Delaware238Arizona150Colorado142Georgia135Ohio129Alaska127Tennessee117

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
N374HP Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N8265R Bellanca
17-31A
Fixed-wing, single engine Mirrorstriker Aviation LLC
Tomball, Texas
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N8569P Piper
PA-24-260
Fixed-wing, single engine Purpose Flight INC
Wilmington, Delaware
Standard 2023-01-16 ValidFAA registration status code V: Valid registration. All codes
N4228T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Indiana
Standard 2023-01-15 ValidFAA registration status code V: Valid registration. All codes
N8597P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2023-01-14 ValidFAA registration status code V: Valid registration. All codes
N2802W Socata
TB21TC
Fixed-wing, single engine Individual owner
Florida
Standard 2023-01-13 ValidFAA registration status code V: Valid registration. All codes
N8851P Piper
PA-24-260
Fixed-wing, single engine
Standard 2023-01-13 ValidFAA registration status code V: Valid registration. All codes
N3545Z Piper
PA-31-310
Fixed-wing, multi-engine Grande Skyclub INC
Merritt Island, Florida
Standard 2023-01-12 ValidFAA registration status code V: Valid registration. All codes
N57TF Mooney
M20M
Fixed-wing, single engine Highernet LLC
Antioch, California
Standard 2023-01-12 ValidFAA registration status code V: Valid registration. All codes
N9503P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Utah
Standard 2023-01-12 ValidFAA registration status code V: Valid registration. All codes
N260GC Piper
PA-24-260
Fixed-wing, single engine Feline Health INC
Hampstead, North Carolina
Standard 2023-01-11 ValidFAA registration status code V: Valid registration. All codes
N888RJ Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-01-08 ValidFAA registration status code V: Valid registration. All codes
N7AC Aero Commander
500-B
Fixed-wing, multi-engine Commander Quest LLC
San Luis Obispo, California
Standard 2023-01-07 ValidFAA registration status code V: Valid registration. All codes
N9135P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Iowa
Standard 2023-01-07 ValidFAA registration status code V: Valid registration. All codes
N42TG Socata
TB21
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N7688 Piper
PA 46-350P
Fixed-wing, single engine Jte Properties LLC
Azle, Texas
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N8704P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Rhode Island
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N9140P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2023-01-06 ValidFAA registration status code V: Valid registration. All codes
N1222Z Butler Aircraft Company
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
California
Standard 2023-01-05 ValidFAA registration status code V: Valid registration. All codes
N8042G Piper
PA-32R-301T
Fixed-wing, single engine Temple In the Sky LLC
Marietta, Georgia
Standard 2023-01-04 ValidFAA registration status code V: Valid registration. All codes
N5141Y Cessna
182T
Fixed-wing, single engine Commonwealth of Virginia
Fort Monroe, Virginia
Standard 2023-01-03 ValidFAA registration status code V: Valid registration. All codes
N2PB Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
California
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N300MP Smith
AEROSTAR 601P
Fixed-wing, multi-engine Victoria'S Wings LLC
Melbourne, Florida
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N327HP Piper
PA-32R-301T
Fixed-wing, single engine N327Hp LLC
Senoia, Georgia
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N39706 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Florida
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N552MN Cessna
182T
Fixed-wing, single engine Mtc Air LLC
Blue Ridge, Georgia
Standard 2023-01-02 ValidFAA registration status code V: Valid registration. All codes
N610LB Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2022-12-31 ValidFAA registration status code V: Valid registration. All codes
N49FM Mooney
M20M
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-12-30 ValidFAA registration status code V: Valid registration. All codes
N4960 Piper
PA-24-260
Fixed-wing, single engine 250 INC
Washington, District of Columbia
Standard 2022-12-29 ValidFAA registration status code V: Valid registration. All codes
N8998N Piper
PA-32-300
Fixed-wing, single engine Hangar Cc5 LLC
Gainesville, Georgia
Standard 2022-12-29 ValidFAA registration status code V: Valid registration. All codes
N41152 Mooney
M20M
Fixed-wing, single engine Mb Stedman Airplane LLC
Marble Falls, Texas
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N15268 Piper
PA-32-300
Fixed-wing, single engine Jj Freefall INC
Wendell, North Carolina
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N711PF Piper
PA-32-300
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N798BS Piper
PA-32RT-300T
Fixed-wing, single engine Burnkey Aviation LLC
Declo, Idaho
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N8833V Bellanca
17-31A
Fixed-wing, single engine Individual owner
Nevada
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N4210M Cessna
T206H
Fixed-wing, single engine Paragon Air Group
Fort Worth, Texas
Standard 2022-12-24 ValidFAA registration status code V: Valid registration. All codes
N78AA Piper
PA-32R-300
Fixed-wing, single engine Rw Higginsllc
Armuchee, Georgia
Standard 2022-12-24 ValidFAA registration status code V: Valid registration. All codes
N1389B Cessna
T182T
Fixed-wing, single engine Columbia Safety Medical LLC
Kennewick, Washington
Standard 2022-12-23 ValidFAA registration status code V: Valid registration. All codes
N778E Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2022-12-23 ValidFAA registration status code V: Valid registration. All codes
N4185X Piper
PA-32R-301T
Fixed-wing, single engine Wjw Transport INC
Hampshire, Illinois
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N55664 Piper
PA-28-235
Fixed-wing, single engine Cherokee 55664 LLC
Sparks, Nevada
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N67TG Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Texas
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N692DW Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N924RR Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Missouri
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N9YM Cessna
T182T
Fixed-wing, single engine Scenic Aviation LLC
Breckenridge, Colorado
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N45VZ Mooney
M20M
Fixed-wing, single engine Starlifter Aviation LLC
Fairborn, Ohio
Standard 2022-12-21 ValidFAA registration status code V: Valid registration. All codes
N3158L Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2022-12-20 ValidFAA registration status code V: Valid registration. All codes
N51KM Piper
PA-31-350
Fixed-wing, multi-engine Baker Leasing LLC
Kotzebue, Alaska
Standard 2022-12-19 ValidFAA registration status code V: Valid registration. All codes
N55682 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Minnesota
Standard 2022-12-19 ValidFAA registration status code V: Valid registration. All codes
N8565P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2022-12-19 ValidFAA registration status code V: Valid registration. All codes
N633SG Piper
PA-32-300
Fixed-wing, single engine Cherokee N633Sg LLC
Leonardtown, Maryland
Standard 2022-12-17 ValidFAA registration status code V: Valid registration. All codes
N4850W Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 2022-12-14 ValidFAA registration status code V: Valid registration. All codes
N727MA Piper
PA-31-350
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2022-12-14 ValidFAA registration status code V: Valid registration. All codes
N955DG Piper
PA 46-350P
Fixed-wing, single engine Superior Aero & Marine LLC
Bolivar, Missouri
Standard 2022-12-13 ValidFAA registration status code V: Valid registration. All codes
N177HC Piper
PA 46-350P
Fixed-wing, single engine Qualitair LLC Trustee
Michaelstadt,
Standard 2022-12-12 ValidFAA registration status code V: Valid registration. All codes
N32706 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alabama
Standard 2022-12-12 ValidFAA registration status code V: Valid registration. All codes
N15240 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2022-12-10 ValidFAA registration status code V: Valid registration. All codes
N8674C Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Florida
Standard 2022-12-09 ValidFAA registration status code V: Valid registration. All codes
N6404Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2022-12-03 ValidFAA registration status code V: Valid registration. All codes
N4015R Piper
PA-32-300
Fixed-wing, single engine J and J Av8 LLC
Eatonton, Georgia
Standard 2022-12-02 ValidFAA registration status code V: Valid registration. All codes
N8PT Piper
PA-32-300
Fixed-wing, single engine 10Wg LLC
Newman Lake, Washington
Standard 2022-12-02 ValidFAA registration status code V: Valid registration. All codes
N4044R Piper
PA-32-300
Fixed-wing, single engine Four M Aviation LLC
St Petersburg, Florida
Standard 2022-12-01 ValidFAA registration status code V: Valid registration. All codes
N39639 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
South Carolina
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N500HR Piper
PA-31-350
Fixed-wing, multi-engine Dese Enterprises LLC
Huntsville, Alabama
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N700GL Piper
PA-31-310
Fixed-wing, multi-engine Pitcock Aviation LLC
Tompkinsville, Kentucky
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N744JC Piper
PA-31-325
Fixed-wing, multi-engine Ack-Pg-Llc
Charlestown, Massachusetts
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N854TC Cessna
T182T
Fixed-wing, single engine Beech Construction INC
Pittsburgh, Pennsylvania
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N915PR Aero Commander
500 S
Fixed-wing, multi-engine Avialogia INC
Cancun,
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N8787P Piper
PA-24-260
Fixed-wing, single engine A B Helton Enterprises LLC
Warthen, Georgia
Standard 2022-11-29 ValidFAA registration status code V: Valid registration. All codes
N9327P Piper
PA-24-260
Fixed-wing, single engine Krb LLC
Rupert, Idaho
Standard 2022-11-29 ValidFAA registration status code V: Valid registration. All codes
N381HP Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2022-11-28 ValidFAA registration status code V: Valid registration. All codes
N6189Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2022-11-28 ValidFAA registration status code V: Valid registration. All codes
N8942P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Louisiana
Standard 2022-11-28 ValidFAA registration status code V: Valid registration. All codes
N3050D Piper
PA-32RT-300T
Fixed-wing, single engine Islander Aviation LLC
Pompano Beach, Florida
Standard 2022-11-23 ValidFAA registration status code V: Valid registration. All codes
N8632P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2022-11-21 ValidFAA registration status code V: Valid registration. All codes
N78MR Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Michigan
Standard 2022-11-19 ValidFAA registration status code V: Valid registration. All codes
N47GH Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
New York
Standard 2022-11-18 ValidFAA registration status code V: Valid registration. All codes
N1021P Cessna
T182T
Fixed-wing, single engine Yurok Tribe Construction CORP
Klamath, California
Standard 2022-11-17 ValidFAA registration status code V: Valid registration. All codes
N14350 Piper
PA-23-250
Fixed-wing, multi-engine Pema Aviation LLC
Tavernier, Florida
Standard 2022-11-17 ValidFAA registration status code V: Valid registration. All codes
N62647 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2022-11-17 ValidFAA registration status code V: Valid registration. All codes
N8359S Piper
PA-32-301T
Fixed-wing, single engine Soda Aviation LLC
Lexington, Kentucky
Standard 2022-11-16 ValidFAA registration status code V: Valid registration. All codes
N999MT Bellanca
17-31A
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-11-15 ValidFAA registration status code V: Valid registration. All codes
N39909 Bellanca
17-31A
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2022-11-14 ValidFAA registration status code V: Valid registration. All codes
N16498 Piper
PA-32-300
Fixed-wing, single engine Owens Hay LLC
Crane, Oregon
Standard 2022-11-11 ValidFAA registration status code V: Valid registration. All codes
N5363Q Cessna
T182T
Fixed-wing, single engine Cary Gosney Crna INC
Sonora, California
Standard 2022-11-11 ValidFAA registration status code V: Valid registration. All codes
N8918N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Louisiana
Standard 2022-11-11 ValidFAA registration status code V: Valid registration. All codes
N82470 Piper
PA-32R-301T
Fixed-wing, single engine Tfto LLC
Franklin, Tennessee
Standard 2022-11-09 ValidFAA registration status code V: Valid registration. All codes
N27FM Piper
PA-23-250
Fixed-wing, multi-engine Gogoplex LLC
Wilmington, Delaware
Standard 2022-11-08 ValidFAA registration status code V: Valid registration. All codes
N4743W Rockwell International
114
Fixed-wing, single engine Fly Time Adventures LLC
Chandler, Arizona
Standard 2022-11-08 ValidFAA registration status code V: Valid registration. All codes
N8341H Piper
PA-32R-301T
Fixed-wing, single engine Dbc Aviation LLC
Charlotte, North Carolina
Standard 2022-11-08 ValidFAA registration status code V: Valid registration. All codes
N17AK Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2022-11-07 ValidFAA registration status code V: Valid registration. All codes
N4960F Piper
PA-32-300
Fixed-wing, single engine Lc Aviation LLC
Fort Meade, Florida
Standard 2022-11-07 ValidFAA registration status code V: Valid registration. All codes
N722ET Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Texas
Standard 2022-11-05 ValidFAA registration status code V: Valid registration. All codes
N8006J Piper
PA-23-250
Fixed-wing, multi-engine Crimson Star LLC
Virginia Beach, Virginia
Standard 2022-11-04 ValidFAA registration status code V: Valid registration. All codes
N30947 Piper
PA-32R-301T
Fixed-wing, single engine Silver Palms Aviation LLC
Miami, Florida
Standard 2022-11-03 ValidFAA registration status code V: Valid registration. All codes
N5251S Piper
PA-32-300
Fixed-wing, single engine Individual owner
South Dakota
Standard 2022-11-03 ValidFAA registration status code V: Valid registration. All codes
N6644Y Piper
PA-23-250
Fixed-wing, multi-engine N6644Y LLC
Philomath, Oregon
Standard 2022-11-02 ValidFAA registration status code V: Valid registration. All codes
N8232A Piper
PA-32-301T
Fixed-wing, single engine Aero2Nautical LLC
Marion, Ohio
Standard 2022-11-02 ValidFAA registration status code V: Valid registration. All codes
N10QB Piper
PA-31-325
Fixed-wing, multi-engine Asc Aviation LLC
Brandon, Mississippi
Standard 2022-11-01 ValidFAA registration status code V: Valid registration. All codes
N4136F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2022-11-01 ValidFAA registration status code V: Valid registration. All codes
Previous Page 18 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.