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
N999LF Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N462HP Piper
PA 46-350P
Fixed-wing, single engine Prescott Healthcare LLC
Prescott, Arizona
Standard 2021-08-11 ValidFAA registration status code V: Valid registration. All codes
N705JW Cessna
T206H
Fixed-wing, single engine Tulare County Sheriff
Visalia, California
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N8360G Piper
PA-32R-301T
Fixed-wing, single engine Sophamike Aviation LLC
Hattiesburg, Mississippi
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N711BW Piper
PA-24-260
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2021-08-09 ValidFAA registration status code V: Valid registration. All codes
N35343 Cessna
T206H
Fixed-wing, single engine Individual owner
Washington
Standard 2021-08-07 ValidFAA registration status code V: Valid registration. All codes
N508Y Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2021-08-07 ValidFAA registration status code V: Valid registration. All codes
N3393D Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-08-06 ValidFAA registration status code V: Valid registration. All codes
N57266 Aero Commander
500 S
Fixed-wing, multi-engine Department of Public Safety
Baton Rouge, Louisiana
Standard 2021-08-06 ValidFAA registration status code V: Valid registration. All codes
N8159S Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2021-08-06 ValidFAA registration status code V: Valid registration. All codes
N8158Y Piper
PA-32-301T
Fixed-wing, single engine Robert Lea Investments LLC
Molalla, Oregon
Standard 2021-08-04 ValidFAA registration status code V: Valid registration. All codes
N104KG Cessna
T182T
Fixed-wing, single engine King & CO LLC
Arroyo Grande, California
Standard 2021-07-31 ValidFAA registration status code V: Valid registration. All codes
N223MD Piper
PA-32-300
Fixed-wing, single engine Premier Engineering INC
San Antonio, Florida
Standard 2021-07-31 ValidFAA registration status code V: Valid registration. All codes
N304LA Piper
PA 46-350P
Fixed-wing, single engine K2 Sales LLC
Idaho Falls, Idaho
Standard 2021-07-28 ValidFAA registration status code V: Valid registration. All codes
N456P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2021-07-28 ValidFAA registration status code V: Valid registration. All codes
N4188D Piper
PA 46-350P
Fixed-wing, single engine Machine Leasing
Kent, Washington
Standard 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N774FS Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N9272P Piper
PA-24-260
Fixed-wing, single engine H&R Aircraft LLC
Kansas City, Missouri
Restricted 2021-07-27 ValidFAA registration status code V: Valid registration. All codes
N9262G Piper
PA 46-350P
Fixed-wing, single engine Champion Med LLC
Dover, Delaware
Standard 2021-07-26 ValidFAA registration status code V: Valid registration. All codes
N400HM Piper
PA-31-350
Fixed-wing, multi-engine Barneys Services INC
Newton, Iowa
Standard 2021-07-24 ValidFAA registration status code V: Valid registration. All codes
N27RZ Piper
PA 46-350P
Fixed-wing, single engine Hq Wings LLC
Porterville, California
Standard 2021-07-23 ValidFAA registration status code V: Valid registration. All codes
N8955N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Missouri
Standard 2021-07-23 ValidFAA registration status code V: Valid registration. All codes
N4034R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2021-07-21 ValidFAA registration status code V: Valid registration. All codes
N942WD Piper
PA-31-310
Fixed-wing, multi-engine Hemdmm CORP
Wilmington, Delaware
Standard 2021-07-21 ValidFAA registration status code V: Valid registration. All codes
N9491P Piper
PA-24-260
Fixed-wing, single engine Clearprop Consulting LLC
Boynton Beach, Florida
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N8544P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-07-19 ValidFAA registration status code V: Valid registration. All codes
N207MA Piper
PA-32-300
Fixed-wing, single engine Streamline Aviation LLC
Battlefield, Missouri
Standard 2021-07-16 ValidFAA registration status code V: Valid registration. All codes
N770KT Piper
PA-31-350
Fixed-wing, multi-engine Interprime Air INC
Doral, Florida
Standard 2021-07-16 ValidFAA registration status code V: Valid registration. All codes
N904SC Piper
PA-31-350
Fixed-wing, multi-engine Medical Disposables CORP
Orlando, Florida
Standard 2021-07-14 ValidFAA registration status code V: Valid registration. All codes
N220L Piper
PA-32R-300
Fixed-wing, single engine Life Chiropractic and Wellness Center INC
Prudenville, Michigan
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N6199S Cessna
T182T
Fixed-wing, single engine Kilo Tango Aviation LLC
Watford City, North Dakota
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N21825 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2021-07-10 ValidFAA registration status code V: Valid registration. All codes
N50DJ Piper
PA-32-301T
Fixed-wing, single engine West Chester Air LLC
West Chester, Pennsylvania
Standard 2021-07-10 ValidFAA registration status code V: Valid registration. All codes
N345DP Cessna
T206H
Fixed-wing, single engine Back Country Hacks LLC
Olalla, Washington
Standard 2021-07-09 ValidFAA registration status code V: Valid registration. All codes
N4120W Piper
PA-32-300
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2021-07-09 ValidFAA registration status code V: Valid registration. All codes
N797MC Piper
PA 46-350P
Fixed-wing, single engine Tim 2 Fly LLC
Conroe, Texas
Standard 2021-07-09 ValidFAA registration status code V: Valid registration. All codes
N908MA Cessna
T206H
Fixed-wing, single engine Blue Air Venture LLC
Gilcrest, Colorado
Standard 2021-07-09 ValidFAA registration status code V: Valid registration. All codes
N324DS Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Mexico
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N516RS Piper
PA 46-350P
Fixed-wing, single engine Genesee Air LLC
Wilmington, Delaware
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N667RH Piper
PA-32R-301T
Fixed-wing, single engine N667Rh LLC
Oakdale, New York
Standard 2021-07-06 ValidFAA registration status code V: Valid registration. All codes
N8317Y Piper
PA-32-301T
Fixed-wing, single engine G M P Aero Marine LLC
Lauderhill, Florida
Standard 2021-07-06 ValidFAA registration status code V: Valid registration. All codes
N3249R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2021-07-01 ValidFAA registration status code V: Valid registration. All codes
N5433F Piper
PA-32R-300
Fixed-wing, single engine Nh86 Bumblebee LLC
Henniker, New Hampshire
Standard 2021-07-01 ValidFAA registration status code V: Valid registration. All codes
N824W Piper
PA-32R-301T
Fixed-wing, single engine Best Start INC
Kingman, Arizona
Standard 2021-07-01 ValidFAA registration status code V: Valid registration. All codes
N388T Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2021-06-30 ValidFAA registration status code V: Valid registration. All codes
N8206H Piper
PA-32R-301
Fixed-wing, single engine Jonathan Designs INC
Cape Coral, Florida
Standard 2021-06-30 ValidFAA registration status code V: Valid registration. All codes
N4306V Piper
PA-32R-301T
Fixed-wing, single engine Archwell Aviation LLC
Glendale, Arizona
Standard 2021-06-29 ValidFAA registration status code V: Valid registration. All codes
N9400P Piper
PA-24-260
Fixed-wing, single engine Koretsky Aviation LLC
Fairless Hills, Pennsylvania
Standard 2021-06-29 ValidFAA registration status code V: Valid registration. All codes
N98GW Beech
A60
Fixed-wing, multi-engine Kenmore Crew Leasing INC Trustee
Bellingham, Washington
Standard 2021-06-29 ValidFAA registration status code V: Valid registration. All codes
N2172J Cessna
T182T
Fixed-wing, single engine Taylor A Pharr Esq LLC
Alexander City, Alabama
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N615KE Cessna
T206H
Fixed-wing, single engine Desert & Delta Air LLC
San Francisco, California
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N917GT Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N2133A Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2021-06-23 ValidFAA registration status code V: Valid registration. All codes
N40581 Piper
PA-23-250
Fixed-wing, multi-engine Chagres Aero LLC
Albuquerque, New Mexico
Standard 2021-06-23 ValidFAA registration status code V: Valid registration. All codes
N9178P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New Jersey
Standard 2021-06-23 ValidFAA registration status code V: Valid registration. All codes
N123LM Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N81ST Piper
PA-32-301T
Fixed-wing, single engine Axion INC
Huntsville, Alabama
Standard 2021-06-14 ValidFAA registration status code V: Valid registration. All codes
N3094R Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Virginia
Standard 2021-06-11 ValidFAA registration status code V: Valid registration. All codes
N8547P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-06-10 ValidFAA registration status code V: Valid registration. All codes
N635BD Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Indiana
Standard 2021-06-09 ValidFAA registration status code V: Valid registration. All codes
N653WW Cessna
T206H
Fixed-wing, single engine Berry Aviation INC
San Marcos, Texas
Standard 2021-06-09 ValidFAA registration status code V: Valid registration. All codes
N997MJ Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2021-06-09 ValidFAA registration status code V: Valid registration. All codes
N4116K Piper
PA-31-325
Fixed-wing, multi-engine Red Cloud One LLC
Cornwall, New York
Standard 2021-06-08 ValidFAA registration status code V: Valid registration. All codes
N3340Q Piper
PA-32R-300
Fixed-wing, single engine Hickey Aero Services LLC
White Hills, Arizona
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N77YY Piper
PA-32R-301T
Fixed-wing, single engine N77Yy CORP Trustee
Wilmington, Delaware
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N327PL Piper
PA-32R-301T
Fixed-wing, single engine Ocf Logistics LLC
Canyon, Texas
Standard 2021-06-05 ValidFAA registration status code V: Valid registration. All codes
N4206R Piper
PA-32-300
Fixed-wing, single engine Television Signal Distribution Specialists INC
Canton, Ohio
Standard 2021-06-05 ValidFAA registration status code V: Valid registration. All codes
N8684N Piper
PA-32-300
Fixed-wing, single engine Tmi Aviation LLC
North Myrtle Beach, South Carolina
Standard 2021-06-01 ValidFAA registration status code V: Valid registration. All codes
N3251G Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2021-05-28 ValidFAA registration status code V: Valid registration. All codes
N7942C Piper
PA-32R-300
Fixed-wing, single engine N4143W LLC
Los Gatos, California
Standard 2021-05-26 ValidFAA registration status code V: Valid registration. All codes
N25PK Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N2QW Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N500TD Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N54810 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N62494 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N62508 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N62836 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N8870V Bellanca
17-31A
Fixed-wing, single engine Oklahoma Historical Steam Engine Museum Foundation
Oklahoma City, Oklahoma
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N105HP Piper
PA-32R-301T
Fixed-wing, single engine Ryan Transportation Services LTD
Marysville, Ohio
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N40865 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N5262S Piper
PA-32-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N211TN Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Multiple 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N757DD Aero Commander
500-U
Fixed-wing, multi-engine Bosco74 LLC
Wilmington, Delaware
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N76FR Piper
PA-32R-300
Fixed-wing, single engine 76 Freedom LLC
Greenville, Indiana
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N4137P Piper
PA-32R-301T
Fixed-wing, single engine Greene Marble & Granite CO
Manalapan, New Jersey
Standard 2021-05-19 ValidFAA registration status code V: Valid registration. All codes
N24480 Cessna
182S
Fixed-wing, single engine Moscair LLC
Nashville, Tennessee
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N9096N Aero Commander
500 S
Fixed-wing, multi-engine Stones River Aviation LLC
Murfreesboro, Tennessee
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N9130P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-05-17 ValidFAA registration status code V: Valid registration. All codes
N39TH Piper
PA-32R-301T
Fixed-wing, single engine Brandell LLC
Wilmington, Delaware
Standard 2021-05-15 ValidFAA registration status code V: Valid registration. All codes
N53LJ Larry Jessen
LANCAIR 4P
Fixed-wing, single engine Individual owner
Oregon
Experimental 2021-05-15 ValidFAA registration status code V: Valid registration. All codes
N9153P Piper
PA-24-260
Fixed-wing, single engine A&E Aviation LLC
Ruston, Louisiana
Standard 2021-05-15 ValidFAA registration status code V: Valid registration. All codes
N1485C Cessna
T182T
Fixed-wing, single engine Individual owner
South Dakota
Standard 2021-05-14 ValidFAA registration status code V: Valid registration. All codes
N39526 Piper
PA-32RT-300T
Fixed-wing, single engine Nextgen Air Engineering INC
Cheyenne, Wyoming
Standard 2021-05-14 ValidFAA registration status code V: Valid registration. All codes
N4995W Rockwell International
114
Fixed-wing, single engine Individual owner
Minnesota
Standard 2021-05-13 ValidFAA registration status code V: Valid registration. All codes
N94D Piper
PA-32R-301T
Fixed-wing, single engine Caelesti Libertas LLC
Pittsford, New York
Standard 2021-05-12 ValidFAA registration status code V: Valid registration. All codes
N541VB Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Rhode Island
Standard 2021-05-11 ValidFAA registration status code V: Valid registration. All codes
N6578V Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Missouri
Standard 2021-05-11 ValidFAA registration status code V: Valid registration. All codes
N372DG Piper
PA 46-350P
Fixed-wing, single engine Wild Air LLC
Exeter, California
Standard 2021-05-08 ValidFAA registration status code V: Valid registration. All codes
N512EZ Piper
PA-32R-301T
Fixed-wing, single engine Cmtg Real Estate Enterprises INC
Lakeland, Florida
Standard 2021-05-08 ValidFAA registration status code V: Valid registration. All codes
N775TS Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Michigan
Standard 2021-05-08 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.