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
N40913 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2025-03-06 ValidFAA registration status code V: Valid registration. All codes
N9329P Piper
PA-24-260
Fixed-wing, single engine Lenders Insurance Solutions Group LLC
Ozark, Missouri
Standard 2025-03-06 ValidFAA registration status code V: Valid registration. All codes
N11MP Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Arkansas
Standard 2025-03-05 ValidFAA registration status code V: Valid registration. All codes
N771LM Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-03-05 ValidFAA registration status code V: Valid registration. All codes
N789JN Piper
PA 46-350P
Fixed-wing, single engine Chandelle CO
Marion, Iowa
Standard 2025-03-05 ValidFAA registration status code V: Valid registration. All codes
N404A Piper
PA-31-350
Fixed-wing, multi-engine Bcj LLC
Haines City, Florida
Standard 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N62912 Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Florida
Multiple 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N700MF Smith
AEROSTAR 601P
Fixed-wing, multi-engine Etavan LLC
Satellite Beach, Florida
Standard 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N76JN Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Florida
Restricted 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N414LB Rockwell International
114A
Fixed-wing, single engine Withheld at owner's request
Standard 2025-03-03 ValidFAA registration status code V: Valid registration. All codes
N21744 Cessna
T182T
Fixed-wing, single engine Oatdog Aviation LLC
Atlanta, Georgia
Standard 2025-03-02 ValidFAA registration status code V: Valid registration. All codes
N3049K Piper
PA-32RT-300T
Fixed-wing, single engine Lodi Holdings LLC
Big Sky, Montana
Standard 2025-03-01 ValidFAA registration status code V: Valid registration. All codes
N456LW Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Phillips Operating LP
Shreveport, Louisiana
Standard 2025-03-01 ValidFAA registration status code V: Valid registration. All codes
N44755 Piper
PA-28-235
Fixed-wing, single engine Argosy Venture CORP
Pagosa Springs, Colorado
Standard 2025-02-27 ValidFAA registration status code V: Valid registration. All codes
N9262P Piper
PA-24-260
Fixed-wing, single engine Reliant Aeroworks LLC
Sanger, Texas
Standard 2025-02-27 ValidFAA registration status code V: Valid registration. All codes
N313PK Piper
PA-32R-300
Fixed-wing, single engine Individual owner
California
Standard 2025-02-25 ValidFAA registration status code V: Valid registration. All codes
N5451F Piper
PA-32R-300
Fixed-wing, single engine Virginia Aviators LLC
Sterling, Virginia
Standard 2025-02-25 ValidFAA registration status code V: Valid registration. All codes
N8905N Piper
PA-32-300
Fixed-wing, single engine High Noon Leasing LLC
Anchorage, Alaska
Standard 2025-02-24 ValidFAA registration status code V: Valid registration. All codes
N52HF Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2025-02-22 ValidFAA registration status code V: Valid registration. All codes
N392HP Piper
PA-32R-301T
Fixed-wing, single engine Ad Flight Training LLC
Altamont, New York
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N426PR Piper
PA-32R-301T
Fixed-wing, single engine Ryka Aviation LLC
Sunrise Beach, Missouri
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N481TC Cessna
T182T
Fixed-wing, single engine Fargo Aviators LLC
Phoenix, Arizona
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N7606C Piper
PA-32R-300
Fixed-wing, single engine Kuuluka LLC
Lewes, Delaware
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N5215S Piper
PA-32-300
Fixed-wing, single engine Five Generation Flyers LLC
Melbourne, Florida
Standard 2025-02-20 ValidFAA registration status code V: Valid registration. All codes
N7264H Cessna
T206H
Fixed-wing, single engine Delta Sierra Aviation LLC
White Salmon, Washington
Standard 2025-02-19 ValidFAA registration status code V: Valid registration. All codes
N1512X Piper
PA-32R-300
Fixed-wing, single engine 4Js INC DBA Great Country Motors
Sun City, Arizona
Standard 2025-02-14 ValidFAA registration status code V: Valid registration. All codes
N158TZ Commander Aircraft Co
114TC
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2025-02-14 ValidFAA registration status code V: Valid registration. All codes
N32TE Piper
PA-32R-301T
Fixed-wing, single engine Blue Line Aviation LLC
Dunbar, Nebraska
Standard 2025-02-13 ValidFAA registration status code V: Valid registration. All codes
N405CG Mooney
M20M
Fixed-wing, single engine Individual owner
New Mexico
Standard 2025-02-13 ValidFAA registration status code V: Valid registration. All codes
N96PP Piper
PA 46-350P
Fixed-wing, single engine Swam Air LLC
Edinburg, Virginia
Standard 2025-02-12 ValidFAA registration status code V: Valid registration. All codes
N629C Piper
PA-32R-301T
Fixed-wing, single engine Drc Aviation of Stuart LLC
Palm City, Florida
Standard 2025-02-11 ValidFAA registration status code V: Valid registration. All codes
N775DS Cessna
T182T
Fixed-wing, single engine Flight Ventures LLC
Charlotte, North Carolina
Standard 2025-02-11 ValidFAA registration status code V: Valid registration. All codes
N16372 Piper
PA-32-300
Fixed-wing, single engine Blue Bird Aviation LLC
Zephyr Cove, Nevada
Standard 2025-02-10 ValidFAA registration status code V: Valid registration. All codes
N129BB Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Tennessee
Standard 2025-02-07 ValidFAA registration status code V: Valid registration. All codes
N812TB Piper
PA-31-350
Fixed-wing, multi-engine Twin Aviation LLC
Coushatta, Louisiana
Standard 2025-02-07 ValidFAA registration status code V: Valid registration. All codes
N4072W Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2025-02-06 ValidFAA registration status code V: Valid registration. All codes
N3094W Piper
PA32-301XTC
Fixed-wing, single engine Seneca Flight LLC
Gosnell, Arkansas
Standard 2025-02-05 ValidFAA registration status code V: Valid registration. All codes
N72696 Cessna
T206H
Fixed-wing, single engine Bass Adventures LLC
Anchorage, Alaska
Standard 2025-02-05 ValidFAA registration status code V: Valid registration. All codes
N319RD Piper
PA 46-350P
Fixed-wing, single engine N319Rd LLC
Casa Grande, Arizona
Standard 2025-02-04 ValidFAA registration status code V: Valid registration. All codes
N846P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2025-02-01 ValidFAA registration status code V: Valid registration. All codes
N297JG Piper
PA-31-350
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2025-01-31 ValidFAA registration status code V: Valid registration. All codes
N2826X Piper
PA-32-300
Fixed-wing, single engine Aero Talons LLC
Nashville, Tennessee
Standard 2025-01-30 ValidFAA registration status code V: Valid registration. All codes
N773JS Piper
PA 46-350P
Fixed-wing, single engine Rjb Aviation LLC
Newark, Delaware
Standard 2025-01-29 ValidFAA registration status code V: Valid registration. All codes
N13950 Piper
PA-23-250
Fixed-wing, multi-engine Bml Aviation LLC
Arvada, Colorado
Standard 2025-01-26 ValidFAA registration status code V: Valid registration. All codes
N283GT Piper
PA-31-350
Fixed-wing, multi-engine Kinz Air LLC
Winter Springs, Florida
Standard 2025-01-25 ValidFAA registration status code V: Valid registration. All codes
N996C Piper
PA 46-350P
Fixed-wing, single engine Kb Family LLC
Santa Clara, Utah
Standard 2025-01-25 ValidFAA registration status code V: Valid registration. All codes
N30190 Piper
PA-32RT-300T
Fixed-wing, single engine N30190 LLC
Colorado Springs, Colorado
Standard 2025-01-24 ValidFAA registration status code V: Valid registration. All codes
N742HM Cessna
T206H
Fixed-wing, single engine Bennett Aviation LLC
New York, New York
Standard 2025-01-24 ValidFAA registration status code V: Valid registration. All codes
N877CV Cessna
T182T
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-01-24 ValidFAA registration status code V: Valid registration. All codes
N9161D Mooney
M20M
Fixed-wing, single engine Individual owner
Arizona
Standard 2025-01-23 ValidFAA registration status code V: Valid registration. All codes
N4934W Rockwell International
114
Fixed-wing, single engine S&T Aircraft LLC
Lewes, Delaware
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N8228A Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N6890 Piper
PA-31-325
Fixed-wing, multi-engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-01-21 ValidFAA registration status code V: Valid registration. All codes
N4293R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2025-01-20 ValidFAA registration status code V: Valid registration. All codes
N6161P Cessna
T182T
Fixed-wing, single engine Individual owner
Colorado
Standard 2025-01-19 ValidFAA registration status code V: Valid registration. All codes
N124AG Piper
PA-31-350
Fixed-wing, multi-engine Pegasus Enterprises LLC
Granbury, Texas
Standard 2025-01-18 ValidFAA registration status code V: Valid registration. All codes
N377JR Bellanca
17-31
Fixed-wing, single engine Trinity Aviation LLC
Oklahoma City, Oklahoma
Standard 2025-01-18 ValidFAA registration status code V: Valid registration. All codes
N230AS Piper
PA-31-325
Fixed-wing, multi-engine N230As LLC
Wilmington, Delaware
Standard 2025-01-17 ValidFAA registration status code V: Valid registration. All codes
N533JT Piper
PA-32R-301T
Fixed-wing, single engine Ipi Private Wealth LLC
Decatur, Illinois
Standard 2025-01-17 ValidFAA registration status code V: Valid registration. All codes
N126DR Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2025-01-16 ValidFAA registration status code V: Valid registration. All codes
N514CM Piper
PA-32-300
Fixed-wing, single engine Individual owner
Louisiana
Standard 2025-01-15 ValidFAA registration status code V: Valid registration. All codes
N65SC Piper
PA-23-250
Fixed-wing, multi-engine Docs Air LLC
Buffalo, Wyoming
Standard 2025-01-15 ValidFAA registration status code V: Valid registration. All codes
N853CT Piper
PA-31-310
Fixed-wing, multi-engine Faber Aviation LLC
Melbourne, Florida
Standard 2025-01-14 ValidFAA registration status code V: Valid registration. All codes
N86CM Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Ohio
Standard 2025-01-14 ValidFAA registration status code V: Valid registration. All codes
N99FB Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2025-01-13 ValidFAA registration status code V: Valid registration. All codes
N24507 Cessna
T206H
Fixed-wing, single engine Individual owner
Virginia
Standard 2025-01-08 ValidFAA registration status code V: Valid registration. All codes
N5153G Cessna
T182T
Fixed-wing, single engine Co-owned owner
California
Standard 2025-01-08 ValidFAA registration status code V: Valid registration. All codes
N501BT Piper
PA-32R-300
Fixed-wing, single engine Cloud Chasers LLC
Columbus, Mississippi
Standard 2025-01-07 ValidFAA registration status code V: Valid registration. All codes
N781DK Cessna
T182T
Fixed-wing, single engine Spruce Ave Air LLC
Phoenix, Arizona
Standard 2025-01-07 ValidFAA registration status code V: Valid registration. All codes
N5253A Piper
PA-23-250
Fixed-wing, multi-engine Let Industries LLC
Lewes, Delaware
Multiple 2025-01-06 ValidFAA registration status code V: Valid registration. All codes
N922MJ Piper
PA-32R-301T
Fixed-wing, single engine Aga Aviation LLC
Woodruff, South Carolina
Standard 2025-01-04 ValidFAA registration status code V: Valid registration. All codes
N8021U Piper
PA-28-236
Fixed-wing, single engine Individual owner
Iowa
Standard 2025-01-03 ValidFAA registration status code V: Valid registration. All codes
N116MF Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2024-12-31 ValidFAA registration status code V: Valid registration. All codes
N378MS Cessna
T182T
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-12-30 ValidFAA registration status code V: Valid registration. All codes
N5354V Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2024-12-30 ValidFAA registration status code V: Valid registration. All codes
N7712F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2024-12-30 ValidFAA registration status code V: Valid registration. All codes
N8258R Bellanca
17-31A
Fixed-wing, single engine Newo Aviation LLC
Garden City, Kansas
Standard 2024-12-23 ValidFAA registration status code V: Valid registration. All codes
N101LP Cessna
T182T
Fixed-wing, single engine Granite Boarding LLC
Loomis, California
Standard 2024-12-20 ValidFAA registration status code V: Valid registration. All codes
N1033T Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-12-19 ValidFAA registration status code V: Valid registration. All codes
N4095Y Piper
PA-31-350
Fixed-wing, multi-engine Lakeland Air 6 LLC
Lakeland, Florida
Standard 2024-12-17 ValidFAA registration status code V: Valid registration. All codes
N2095J Cessna
T206H
Fixed-wing, single engine Aviation Trust CO LLC Trustee
Oklahoma City, Oklahoma
Standard 2024-12-16 ValidFAA registration status code V: Valid registration. All codes
N270ML Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-12-16 ValidFAA registration status code V: Valid registration. All codes
N455TW Piper
PA 46-350P
Fixed-wing, single engine Td Air LLC
Cannon Beach, Oregon
Standard 2024-12-16 ValidFAA registration status code V: Valid registration. All codes
N20ND Socata
TB21
Fixed-wing, single engine Individual owner
California
Standard 2024-12-14 ValidFAA registration status code V: Valid registration. All codes
N250AK Piper
PA-31-325
Fixed-wing, multi-engine Db Aviation Holdings Group LLC
Fort Lauderdale, Florida
Standard 2024-12-14 ValidFAA registration status code V: Valid registration. All codes
N9190A Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-12-12 ValidFAA registration status code V: Valid registration. All codes
N4299R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2024-12-11 ValidFAA registration status code V: Valid registration. All codes
N8940P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2024-12-11 ValidFAA registration status code V: Valid registration. All codes
N31PW Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nevada
Standard 2024-12-10 ValidFAA registration status code V: Valid registration. All codes
N70TL Piper
PA-23-250
Fixed-wing, multi-engine Altitude Adjusters LLC
Cranford, New Jersey
Standard 2024-12-09 ValidFAA registration status code V: Valid registration. All codes
N1204C Cessna
T182T
Fixed-wing, single engine Carvilles Auto Mart
Grand Junction, Colorado
Standard 2024-12-07 ValidFAA registration status code V: Valid registration. All codes
N7827S Piper
PA-31-350
Fixed-wing, multi-engine Star Aviation INC
Melville, New York
Standard 2024-12-06 ValidFAA registration status code V: Valid registration. All codes
N584LQ Cessna
182T
Fixed-wing, single engine Air Shares LLC
Casper, Wyoming
Standard 2024-12-05 ValidFAA registration status code V: Valid registration. All codes
N300FV Mooney
M20M
Fixed-wing, single engine Ifr Certs LLC
Helena, Montana
Standard 2024-11-29 ValidFAA registration status code V: Valid registration. All codes
N2252Z Cessna
T182T
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2024-11-26 ValidFAA registration status code V: Valid registration. All codes
N21459 Piper
PA-32RT-300T
Fixed-wing, single engine N21459 LLC
Farmington Hills, Michigan
Standard 2024-11-25 ValidFAA registration status code V: Valid registration. All codes
N245MA Piper
PA-32R-301T
Fixed-wing, single engine Jc Aviation LLC
Bedminster, New Jersey
Standard 2024-11-23 ValidFAA registration status code V: Valid registration. All codes
N422WB Piper
PA-31-350
Fixed-wing, multi-engine Hbk LLC
Lynden, Washington
Standard 2024-11-23 ValidFAA registration status code V: Valid registration. All codes
N4362T Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2024-11-23 ValidFAA registration status code V: Valid registration. All codes
N9199P Piper
PA 46-350P
Fixed-wing, single engine Other Woman LLC
Gulf Shores, Alabama
Standard 2024-11-23 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.