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
N41142 Piper
PA-31-350
Fixed-wing, multi-engine Waters Agricultural Laboratories INC
Camilla, Georgia
Standard 2023-03-06 ValidFAA registration status code V: Valid registration. All codes
N2221G Mooney
M20M
Fixed-wing, single engine Ws Management of Tyler LLC
Shreveport, Louisiana
Standard 2023-03-04 ValidFAA registration status code V: Valid registration. All codes
N3043B Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
North Carolina
Standard 2023-03-04 ValidFAA registration status code V: Valid registration. All codes
N8197P Piper
PA-32-301T
Fixed-wing, single engine Thrash St LLC
Lubbock, Texas
Standard 2023-03-04 ValidFAA registration status code V: Valid registration. All codes
N90608 Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-03-04 ValidFAA registration status code V: Valid registration. All codes
N14401 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New Jersey
Standard 2023-03-03 ValidFAA registration status code V: Valid registration. All codes
N2145R Cessna
T206H
Fixed-wing, single engine Cabernet To Cactus LLC
Scottsdale, Arizona
Standard 2023-03-03 ValidFAA registration status code V: Valid registration. All codes
N316KU Piper
PA 46-350P
Fixed-wing, single engine Oldenburg Air LLC
Henderson, Nevada
Standard 2023-03-03 ValidFAA registration status code V: Valid registration. All codes
N824PG Piper
PA-31-350
Fixed-wing, multi-engine Mount Olive Flight Club LLC
Mount Olive, North Carolina
Standard 2023-03-03 ValidFAA registration status code V: Valid registration. All codes
N17CR Piper
PA-24-260
Fixed-wing, single engine Dawn Aviation LLC
Pierce City, Missouri
Standard 2023-03-02 ValidFAA registration status code V: Valid registration. All codes
N21357 Piper
PA-32RT-300T
Fixed-wing, single engine Wild Outdoors Oil LLC
Velma, Oklahoma
Standard 2023-03-02 ValidFAA registration status code V: Valid registration. All codes
N65431 Cessna
T182T
Fixed-wing, single engine Caliber Capital Holdings LLC
Homosassa, Florida
Standard 2023-03-02 ValidFAA registration status code V: Valid registration. All codes
N956AC Piper
PA-32R-301T
Fixed-wing, single engine Jpe Aviation LLC
Fairview, Texas
Standard 2023-03-02 ValidFAA registration status code V: Valid registration. All codes
N4557X Piper
PA-32R-300
Fixed-wing, single engine Prime Property Investments LLC
Pevely, Missouri
Standard 2023-03-01 ValidFAA registration status code V: Valid registration. All codes
N431FB Piper
PA-32R-301T
Fixed-wing, single engine Az Enterprises LLC
Palmdale, California
Standard 2023-02-27 ValidFAA registration status code V: Valid registration. All codes
N5235B Piper
PA-32R-301T
Fixed-wing, single engine Brit LTD
Wilmington, Delaware
Standard 2023-02-27 ValidFAA registration status code V: Valid registration. All codes
N6856Y Piper
PA-23-250
Fixed-wing, multi-engine Aviation Data LLC
Carson City, Nevada
Standard 2023-02-27 ValidFAA registration status code V: Valid registration. All codes
N7694L Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2023-02-27 ValidFAA registration status code V: Valid registration. All codes
N901MA Piper
PA 46-350P
Fixed-wing, single engine Wings of Ber LLC
Fort Payne, Alabama
Standard 2023-02-27 ValidFAA registration status code V: Valid registration. All codes
N6286K Republic
RC-3
Fixed-wing, single engine Individual owner
Washington
Standard 2023-02-25 ValidFAA registration status code V: Valid registration. All codes
N117BM Piper
PA 46-350P
Fixed-wing, single engine Maneck Aviation LLC
Columbus, Georgia
Standard 2023-02-24 ValidFAA registration status code V: Valid registration. All codes
N413HC Piper
PA-32R-301T
Fixed-wing, single engine Need for Speed LLC
Tyler, Texas
Standard 2023-02-24 ValidFAA registration status code V: Valid registration. All codes
N8747P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arkansas
Standard 2023-02-24 ValidFAA registration status code V: Valid registration. All codes
N23138 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2023-02-22 ValidFAA registration status code V: Valid registration. All codes
N4078R Piper
PA-32-300
Fixed-wing, single engine Brehmer Family Airplane LLC
Knoxville, Tennessee
Standard 2023-02-22 ValidFAA registration status code V: Valid registration. All codes
N772SD Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
South Carolina
Standard 2023-02-22 ValidFAA registration status code V: Valid registration. All codes
N3025N Piper
PA-32RT-300T
Fixed-wing, single engine True Auto Mart LLC
Belton, South Carolina
Standard 2023-02-20 ValidFAA registration status code V: Valid registration. All codes
N182WN Cessna
T182T
Fixed-wing, single engine Individual owner
Iowa
Standard 2023-02-19 ValidFAA registration status code V: Valid registration. All codes
N126CA Beech
B-60
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 2023-02-18 ValidFAA registration status code V: Valid registration. All codes
N19DK Textron Aviation Inc
182T
Fixed-wing, single engine Richardson Cotton INC
Wilmington, Delaware
Standard 2023-02-18 ValidFAA registration status code V: Valid registration. All codes
N4004R Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2023-02-18 ValidFAA registration status code V: Valid registration. All codes
N111SE Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 2023-02-17 ValidFAA registration status code V: Valid registration. All codes
N553HC Cessna
T182T
Fixed-wing, single engine Hotel Charlie LLC
Dallas, Texas
Standard 2023-02-17 ValidFAA registration status code V: Valid registration. All codes
N13CE Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Utah
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N14PC Piper
PA 46-350P
Fixed-wing, single engine Alooment LLC
Las Vegas, Nevada
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N206MZ Cessna
T206H
Fixed-wing, single engine Ktbr Holdings LLC
Statesboro, Georgia
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N6851J Piper
PA-32R-300
Fixed-wing, single engine Hem Properties LLC
Winston Salem, North Carolina
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N8544H Bellanca
17-31ATC
Fixed-wing, single engine Law Offices of Timothy e Nilan A Pro Law CORP
Downey, California
Standard 2023-02-16 ValidFAA registration status code V: Valid registration. All codes
N543CB Aero Commander
500-B
Fixed-wing, multi-engine Twin Aviation LLC
Coushatta, Louisiana
Standard 2023-02-15 ValidFAA registration status code V: Valid registration. All codes
N8950N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2023-02-14 ValidFAA registration status code V: Valid registration. All codes
N900NF Cessna
T182T
Fixed-wing, single engine Petros LLC
Bend, Oregon
Standard 2023-02-14 ValidFAA registration status code V: Valid registration. All codes
N56095 Piper
PA-32-300
Fixed-wing, single engine Jk Aviation LLC
Manteca, California
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N56CX Piper
PA 46-350P
Fixed-wing, single engine Thinair LLC
Dover, Delaware
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N71WZ Piper
PA 46-350P
Fixed-wing, single engine Arlington Aviation INC Trustee
Wilmington, Delaware
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N994MG Cessna
T182T
Fixed-wing, single engine Black Swan INC
Austin, Texas
Standard 2023-02-13 ValidFAA registration status code V: Valid registration. All codes
N244ME Cessna
T206H
Fixed-wing, single engine Eagle Forestry Services INC
Monticello, Arkansas
Standard 2023-02-12 ValidFAA registration status code V: Valid registration. All codes
N1861H Piper
PA-32R-300
Fixed-wing, single engine Elusive Aviation INC
Pflugerville, Texas
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N40569 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New Hampshire
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N4108W Piper
PA-32-300
Fixed-wing, single engine Arrow Ventures INC
Lake Preston, South Dakota
Standard 2023-02-09 ValidFAA registration status code V: Valid registration. All codes
N385TC Cessna
T182T
Fixed-wing, single engine Liebl Holdings LLC
Claremore, Oklahoma
Standard 2023-02-08 ValidFAA registration status code V: Valid registration. All codes
N372MA Piper
PA-32R-301
Fixed-wing, single engine Benham Properties LLC
Sullivan, Indiana
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N433TA Cessna
T206H
Fixed-wing, single engine M7 LLC
Idaho Falls, Idaho
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N498MM Piper
PA 46-350P
Fixed-wing, single engine Ladd Air LLC
Mt Holly, North Carolina
Standard 2023-02-07 ValidFAA registration status code V: Valid registration. All codes
N35269 Piper
PA-31-350
Fixed-wing, multi-engine Marlin Aviation INC
West Palm Beach, Florida
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N35RD Piper
PA-31-350
Fixed-wing, multi-engine Ingersoll Grove LLC
Springfield, Massachusetts
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N59809 Piper
PA-31-325
Fixed-wing, multi-engine Lou Dell Aviation LLC
Simpsonville, South Carolina
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N8667P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N8952N Piper
PA-32-300
Fixed-wing, single engine Circle K Supply Chain Solutions LLC
Knoxville, Tennessee
Standard 2023-02-06 ValidFAA registration status code V: Valid registration. All codes
N121SP Aero Commander
500-B
Fixed-wing, multi-engine Fl280 LLC
Deland, Florida
Standard 2023-02-04 ValidFAA registration status code V: Valid registration. All codes
N9133F Mooney
M20M
Fixed-wing, single engine 90Er LLC
Wilmington, Delaware
Standard 2023-02-04 ValidFAA registration status code V: Valid registration. All codes
N2183V Piper
PA-32RT-300T
Fixed-wing, single engine Mile High Maintanance INC
Lakewood, Colorado
Standard 2023-02-03 ValidFAA registration status code V: Valid registration. All codes
N21873 Piper
PA-32RT-300
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2023-02-03 ValidFAA registration status code V: Valid registration. All codes
N565BT Piper
PA-31-350
Fixed-wing, multi-engine Gsg Aviation LLC
Fort Lauderdale, Florida
Standard 2023-02-03 ValidFAA registration status code V: Valid registration. All codes
N2100A Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2023-02-02 ValidFAA registration status code V: Valid registration. All codes
N4105R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2023-02-02 ValidFAA registration status code V: Valid registration. All codes
N16253 Piper
PA-32-300
Fixed-wing, single engine Quincy Aircraft LLC
Quincy, Illinois
Standard 2023-02-01 ValidFAA registration status code V: Valid registration. All codes
N4468X Piper
PA-32-300
Fixed-wing, single engine Half Nuts LLC
Boiling Springs, Pennsylvania
Standard 2023-02-01 ValidFAA registration status code V: Valid registration. All codes
N4847W Rockwell International
114
Fixed-wing, single engine Co-owned owner
California
Standard 2023-02-01 ValidFAA registration status code V: Valid registration. All codes
N5431F Piper
PA-32-300
Fixed-wing, single engine Sea Container Sales INC
New Waverly, Texas
Standard 2023-01-31 ValidFAA registration status code V: Valid registration. All codes
N9272Y Piper
PA 31P 350
Fixed-wing, multi-engine Ial CORP
Lewes, Delaware
Standard 2023-01-31 ValidFAA registration status code V: Valid registration. All codes
N88TL Piper
PA-31-350
Fixed-wing, multi-engine Ah Legacy LLC
Orlando, Florida
Standard 2023-01-30 ValidFAA registration status code V: Valid registration. All codes
N35497 Piper
PA-31-350
Fixed-wing, multi-engine Fox Aircraft LLC
Bethel, Alaska
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N44AC Piper
PA-31-350
Fixed-wing, multi-engine Fox Aircraft LLC
Bethel, Alaska
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N928HL Cessna
T206H
Fixed-wing, single engine J & M Sales & Leasing LLC
Abingdon, Illinois
Standard 2023-01-28 ValidFAA registration status code V: Valid registration. All codes
N6682Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-01-27 ValidFAA registration status code V: Valid registration. All codes
N119K Cessna
T182T
Fixed-wing, single engine Rc Stone LLC
Willacoochee, Georgia
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N123PT Piper
PA-31-325
Fixed-wing, multi-engine Co-owned owner
Washington
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N40471 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N699MD Piper
PA 46-350P
Fixed-wing, single engine Jvation LLC
Belgrade, Montana
Standard 2023-01-26 ValidFAA registration status code V: Valid registration. All codes
N1027F Piper
PA-32-300
Fixed-wing, single engine Individual owner
Michigan
Standard 2023-01-25 ValidFAA registration status code V: Valid registration. All codes
N2150B Piper
PA-32RT-300T
Fixed-wing, single engine Green Head Flight Services LLC
Bemidji, Minnesota
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N4976W Rockwell International
114
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N555BW Smith
AEROSTAR 601P
Fixed-wing, multi-engine Zia Air LLC
Hagerman, New Mexico
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N812M Piper
PA-32R-301T
Fixed-wing, single engine Fj Aviation LLC
Texarkana, Texas
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N868TC Cessna
182T
Fixed-wing, single engine Dlg Enterprises LLC
Iota, Louisiana
Standard 2023-01-24 ValidFAA registration status code V: Valid registration. All codes
N891AW Piper
PA 46-350P
Fixed-wing, single engine Colonial Aviation LLC
Morristown, New Jersey
Standard 2023-01-23 ValidFAA registration status code V: Valid registration. All codes
N4837W Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 2023-01-22 ValidFAA registration status code V: Valid registration. All codes
N9473P Piper
PA-24-260
Fixed-wing, single engine Sterling Commanche LLC
Kimberton, Pennsylvania
Standard 2023-01-22 ValidFAA registration status code V: Valid registration. All codes
N121TW Piper
PA-32R-300
Fixed-wing, single engine Blue Ridge Mountain Flyers Aviation LLC
Mineral Bluff, Georgia
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N54225 Piper
PA-23-250
Fixed-wing, multi-engine Jpr Capital LLC
San Juan, Puerto Rico
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N66FR Cessna
T182T
Fixed-wing, single engine Individual owner
Colorado
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N7968P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Montana
Standard 2023-01-21 ValidFAA registration status code V: Valid registration. All codes
N4425T Piper
PA-32-300
Fixed-wing, single engine Booth Aviation LLC
Fort Worth, Texas
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N59982 Piper
PA-31-350
Fixed-wing, multi-engine Duck L'Ranch LLC DBA
Fort Lauderdale, Florida
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N799CE Aero Commander
500 S
Fixed-wing, multi-engine Red Oar Aviation LLC
Lookout Mountain, Tennessee
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N901BL Piper
PA-32-300
Fixed-wing, single engine Maritime Helicopters INC
Homer, Alaska
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N9095Y Piper
PA-32R-301T
Fixed-wing, single engine Aviation Trust Company LLC
Oklahoma City, Oklahoma
Standard 2023-01-19 ValidFAA registration status code V: Valid registration. All codes
N8997P Piper
PA-24-260
Fixed-wing, single engine F2 Management LLC
Canoga Park, California
Standard 2023-01-18 ValidFAA registration status code V: Valid registration. All codes
N676AR Piper
PA-31-350
Fixed-wing, multi-engine Blackdog Air LLC
Belton, South Carolina
Standard 2023-01-17 ValidFAA registration status code V: Valid registration. All codes
N9197P Piper
PA-24-260
Fixed-wing, single engine Hardin County Aviation LLC
Kountze, Texas
Standard 2023-01-17 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.