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
N512C Piper
PA-32R-301T
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2024-02-29 ValidFAA registration status code V: Valid registration. All codes
N4128R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2024-02-28 ValidFAA registration status code V: Valid registration. All codes
N9140M Mooney
M20M
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-02-28 ValidFAA registration status code V: Valid registration. All codes
N249ME Mooney
M20M
Fixed-wing, single engine N249Me LLC
Ottumwa, Iowa
Standard 2024-02-27 ValidFAA registration status code V: Valid registration. All codes
N770BK Piper
PA-23-250
Fixed-wing, multi-engine Horizon Dreams LLC
Homer, Georgia
Standard 2024-02-26 ValidFAA registration status code V: Valid registration. All codes
N8328D Piper
PA-32R-301T
Fixed-wing, single engine Jldp LLC
Chesapeake, Virginia
Standard 2024-02-26 ValidFAA registration status code V: Valid registration. All codes
N640GC Piper
PA-24-260
Fixed-wing, single engine Comanche 640Gc LLC
Henderson, Nevada
Standard 2024-02-24 ValidFAA registration status code V: Valid registration. All codes
N78MS Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2024-02-22 ValidFAA registration status code V: Valid registration. All codes
N2BZ Rockwell International
500-S
Fixed-wing, multi-engine Bosco74 LLC
Wilmington, Delaware
Standard 2024-02-21 ValidFAA registration status code V: Valid registration. All codes
N8536 Rockwell International
500-S
Fixed-wing, multi-engine Bosco74 LLC
Wilmington, Delaware
Standard 2024-02-21 ValidFAA registration status code V: Valid registration. All codes
N900JL Piper
PA-32R-300
Fixed-wing, single engine Red Baron LLC
Pooler, Georgia
Standard 2024-02-21 ValidFAA registration status code V: Valid registration. All codes
N611DW Aero Commander
500-B
Fixed-wing, multi-engine Nav Solutions LLC
Lewes, Delaware
Standard 2024-02-20 ValidFAA registration status code V: Valid registration. All codes
N7799V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Cb Aerial Application LLC
Kirksville, Missouri
Restricted 2024-02-19 ValidFAA registration status code V: Valid registration. All codes
N9085P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2024-02-19 ValidFAA registration status code V: Valid registration. All codes
N2847J Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2024-02-15 ValidFAA registration status code V: Valid registration. All codes
N3BS Piper
PA-32-300
Fixed-wing, single engine Echo 7 Tango Aviation LLC
Pottsboro, Texas
Standard 2024-02-15 ValidFAA registration status code V: Valid registration. All codes
N8185Y Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Washington
Standard 2024-02-15 ValidFAA registration status code V: Valid registration. All codes
N1501T Piper
PA-32-300
Fixed-wing, single engine Withheld at owner's request
Standard 2024-02-14 ValidFAA registration status code V: Valid registration. All codes
N415SA Dehavilland
DH 114 HERON 2X
Fixed-wing, multi-engine Artemis Aviation Group LLC
Kalispell, Montana
Standard 2024-02-14 ValidFAA registration status code V: Valid registration. All codes
N55856 Piper
PA-32-300
Fixed-wing, single engine Alpha Romeo Kilo Holdings INC
Wilmington, Delaware
Standard 2024-02-13 ValidFAA registration status code V: Valid registration. All codes
N396LR Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
South Dakota
Standard 2024-02-12 ValidFAA registration status code V: Valid registration. All codes
N66AT Piper
PA-31-350
Fixed-wing, multi-engine Deer Elm Aviation LLC
Owens Cross Roads, Alabama
Standard 2024-02-12 ValidFAA registration status code V: Valid registration. All codes
N713EC Piper
PA-23-250
Fixed-wing, multi-engine Charlie Tango LLC
Mechanicsville, Virginia
Standard 2024-02-12 ValidFAA registration status code V: Valid registration. All codes
N9153Z Mooney
M20M
Fixed-wing, single engine Danam Aviation LLC
Queen Creek, Arizona
Standard 2024-02-12 ValidFAA registration status code V: Valid registration. All codes
N9442C Piper
PA-32-300
Fixed-wing, single engine Elevate Aviation LLC
Rathdrum, Idaho
Standard 2024-02-11 ValidFAA registration status code V: Valid registration. All codes
N3176H Piper
PA-31-310
Fixed-wing, multi-engine G B T S LLC
Yatesville, Georgia
Standard 2024-02-09 ValidFAA registration status code V: Valid registration. All codes
N103EN Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
California
Standard 2024-02-07 ValidFAA registration status code V: Valid registration. All codes
N9105T Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2024-02-07 ValidFAA registration status code V: Valid registration. All codes
N14758 Bellanca
17-31A
Fixed-wing, single engine Jim Franklin Aviation Service INC
Ruidoso, New Mexico
Standard 2024-02-06 ValidFAA registration status code V: Valid registration. All codes
N28JK Piper
PA 46-350P
Fixed-wing, single engine Torps LLC
Southlake, Texas
Standard 2024-02-06 ValidFAA registration status code V: Valid registration. All codes
N82FW Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2024-02-06 ValidFAA registration status code V: Valid registration. All codes
N339CT Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2024-02-03 ValidFAA registration status code V: Valid registration. All codes
N733GP Piper
PA-24-250
Fixed-wing, single engine Individual owner
Florida
Standard 2024-02-03 ValidFAA registration status code V: Valid registration. All codes
N17AU Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Idaho
Standard 2024-02-01 ValidFAA registration status code V: Valid registration. All codes
N22CH Cessna
T206H
Fixed-wing, single engine Supergo LLC
Menlo Park, California
Standard 2024-02-01 ValidFAA registration status code V: Valid registration. All codes
N60VB Smith
AEROSTAR 600
Fixed-wing, multi-engine Vvs Implements LLC
Wilmington, Delaware
Standard 2024-02-01 ValidFAA registration status code V: Valid registration. All codes
N80LK Piper
PA-31-325
Fixed-wing, multi-engine Eti Aviation LLC
Boynton Beach, Florida
Standard 2024-02-01 ValidFAA registration status code V: Valid registration. All codes
N41210 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2024-01-31 ValidFAA registration status code V: Valid registration. All codes
N4250R Piper
PA-32-300
Fixed-wing, single engine Individual owner
New York
Standard 2024-01-31 ValidFAA registration status code V: Valid registration. All codes
N21722 Cessna
T182T
Fixed-wing, single engine Western Properties Investors and Advisors LLC
Laguna Niguel, California
Standard 2024-01-27 ValidFAA registration status code V: Valid registration. All codes
N447SC Piper
PA 46-350P
Fixed-wing, single engine N447Sc LLC
Carmel, California
Standard 2024-01-27 ValidFAA registration status code V: Valid registration. All codes
N36716 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
West Virginia
Standard 2024-01-24 ValidFAA registration status code V: Valid registration. All codes
N4188A Piper
PA 46-350P
Fixed-wing, single engine Sky Magic LLC
Helena, Montana
Standard 2024-01-24 ValidFAA registration status code V: Valid registration. All codes
N43728 Piper
PA-32R-301T
Fixed-wing, single engine Airtrans LLC
Southport, North Carolina
Standard 2024-01-24 ValidFAA registration status code V: Valid registration. All codes
N555JV Piper
PA 46-350P
Fixed-wing, single engine Columbia Recreation LLC
Quincy, Washington
Standard 2024-01-24 ValidFAA registration status code V: Valid registration. All codes
N7269T Cessna
T206H
Fixed-wing, single engine AG N7269T LLC
Salt Lake City, Utah
Standard 2024-01-24 ValidFAA registration status code V: Valid registration. All codes
N54ST Piper
PA-23-250
Fixed-wing, multi-engine Mac Air Aviation LLC
Xenia, Ohio
Standard 2024-01-21 ValidFAA registration status code V: Valid registration. All codes
N747CG Piper
PA-31-350
Fixed-wing, multi-engine Air Americus LLC
Johns Creek, Georgia
Standard 2024-01-21 ValidFAA registration status code V: Valid registration. All codes
N355SR Cessna
T206H
Fixed-wing, single engine Moonglow Aviation LLC
Dover, Delaware
Standard 2024-01-20 ValidFAA registration status code V: Valid registration. All codes
N16SC Piper
PA-31
Fixed-wing, multi-engine Western Alaska Aircraft Leasing LLC
Pahrump, Nevada
Standard 2024-01-19 ValidFAA registration status code V: Valid registration. All codes
N5354K Piper
PA32-301XTC
Fixed-wing, single engine Co-owned owner
Florida
Standard 2024-01-19 ValidFAA registration status code V: Valid registration. All codes
N611DP Piper
PA-31-325
Fixed-wing, multi-engine Inversiones Flg INC
Dorado, Puerto Rico
Standard 2024-01-18 ValidFAA registration status code V: Valid registration. All codes
N616JP Piper
PA-32-300
Fixed-wing, single engine Wb Painting Contractors LLC
Greenville, Mississippi
Standard 2024-01-18 ValidFAA registration status code V: Valid registration. All codes
N206VS Cessna
T206H
Fixed-wing, single engine Bos Ranch LLC
Reno, Nevada
Standard 2024-01-17 ValidFAA registration status code V: Valid registration. All codes
N3068T Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arkansas
Standard 2024-01-17 ValidFAA registration status code V: Valid registration. All codes
N424TP Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2024-01-16 ValidFAA registration status code V: Valid registration. All codes
N57GP Piper
PA-31-350
Fixed-wing, multi-engine Foncho CORP
San Juan, Puerto Rico
Standard 2024-01-16 ValidFAA registration status code V: Valid registration. All codes
N3548B Piper
PA-31-350
Fixed-wing, multi-engine Jaa Holdings LLC
Springfield, Illinois
Standard 2024-01-15 ValidFAA registration status code V: Valid registration. All codes
N4098A Piper
PA-31-350
Fixed-wing, multi-engine Jaa Holdings LLC
Springfield, Illinois
Standard 2024-01-15 ValidFAA registration status code V: Valid registration. All codes
N71DP Cessna
T182T
Fixed-wing, single engine Djp Enterprises INC
Chandler, Texas
Standard 2024-01-15 ValidFAA registration status code V: Valid registration. All codes
N208FT Cessna
T206H
Fixed-wing, single engine 423 East Young LLC
Warrensburg, Missouri
Standard 2024-01-13 ValidFAA registration status code V: Valid registration. All codes
N915WC Cessna
T206H
Fixed-wing, single engine Barr Air Patrol LLC
Mesquite, Texas
Standard 2024-01-13 ValidFAA registration status code V: Valid registration. All codes
N4070R Piper
PA-32-300
Fixed-wing, single engine Bamfs Group LLC
Davie, Florida
Standard 2024-01-10 ValidFAA registration status code V: Valid registration. All codes
N4152D Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Iowa
Standard 2024-01-10 ValidFAA registration status code V: Valid registration. All codes
N9459P Piper
PA-24-260
Fixed-wing, single engine
Standard 2024-01-10 ValidFAA registration status code V: Valid registration. All codes
N4112E Piper
PA-31-350
Fixed-wing, multi-engine Yr-Aircraft Leasing LLC
Bethel, Alaska
Standard 2024-01-08 ValidFAA registration status code V: Valid registration. All codes
N8188M Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2024-01-08 ValidFAA registration status code V: Valid registration. All codes
N888JJ Piper
PA-31-350
Fixed-wing, multi-engine Gst Inmotion LLC
Kalispell, Montana
Standard 2024-01-08 ValidFAA registration status code V: Valid registration. All codes
N9167P Piper
PA-24-260
Fixed-wing, single engine Pegasus Unlimited LLC
Arroyo Grande, California
Standard 2024-01-08 ValidFAA registration status code V: Valid registration. All codes
N41189 Piper
PA-31-350
Fixed-wing, multi-engine Yr-Aircraft Leasing LLC
Bethel, Alaska
Standard 2024-01-07 ValidFAA registration status code V: Valid registration. All codes
N4118G Piper
PA-31-350
Fixed-wing, multi-engine Yr-Aircraft Leasing LLC
Bethel, Alaska
Standard 2024-01-07 ValidFAA registration status code V: Valid registration. All codes
N260PC Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2024-01-06 ValidFAA registration status code V: Valid registration. All codes
N4757W Rockwell International
114
Fixed-wing, single engine Ams Aviation LLC
Greenwood, Arkansas
Standard 2024-01-04 ValidFAA registration status code V: Valid registration. All codes
N1994B Mooney
M20M
Fixed-wing, single engine Gxi Holdings LLC
Fort Worth, Texas
Standard 2024-01-01 ValidFAA registration status code V: Valid registration. All codes
N7761V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2024-01-01 ValidFAA registration status code V: Valid registration. All codes
N347CB Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2023-12-31 ValidFAA registration status code V: Valid registration. All codes
N4170W Piper
PA-32-300
Fixed-wing, single engine Wilson Troy L
Raton, New Mexico
Standard 2023-12-31 ValidFAA registration status code V: Valid registration. All codes
N9225Y Piper
PA 31P 350
Fixed-wing, multi-engine Dodson International Parts INC
Rantoul, Kansas
Standard 2023-12-31 ValidFAA registration status code V: Valid registration. All codes
N99DH Maule
M-7-260C
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2023-12-28 ValidFAA registration status code V: Valid registration. All codes
N36401 Piper
PA-32RT-300T
Fixed-wing, single engine Over Your Head LLC
Erie, Pennsylvania
Standard 2023-12-26 ValidFAA registration status code V: Valid registration. All codes
N6580V Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
California
Standard 2023-12-26 ValidFAA registration status code V: Valid registration. All codes
N683RL Smith
AEROSTAR 601P
Fixed-wing, multi-engine Mach 10 Cap LLC
Fincastle, Virginia
Standard 2023-12-24 ValidFAA registration status code V: Valid registration. All codes
N8NY Piper
PA-32R-301T
Fixed-wing, single engine Tap Family CORP
Wilmington, Delaware
Standard 2023-12-23 ValidFAA registration status code V: Valid registration. All codes
N930MD Piper
PA-23-250
Fixed-wing, multi-engine Tab Associates INC DBA
Port Saint Lucie, Florida
Standard 2023-12-22 ValidFAA registration status code V: Valid registration. All codes
N1UG Piper
PA-32R-300
Fixed-wing, single engine Withheld at owner's request
Standard 2023-12-19 ValidFAA registration status code V: Valid registration. All codes
N627DY Piper
PA 46-350P
Fixed-wing, single engine Coltov LLC
San Diego, California
Standard 2023-12-19 ValidFAA registration status code V: Valid registration. All codes
N256ME Cessna
182S
Fixed-wing, single engine Individual owner
Alabama
Standard 2023-12-18 ValidFAA registration status code V: Valid registration. All codes
N140DC Martin Tom
F-1 ROCKET
Fixed-wing, single engine Individual owner
Michigan
Experimental 2023-12-17 ValidFAA registration status code V: Valid registration. All codes
N531PT Piper
PA-32R-301T
Fixed-wing, single engine Viking Aviation LLC
Catoosa, Oklahoma
Standard 2023-12-17 ValidFAA registration status code V: Valid registration. All codes
N9006P Piper
PA-24-260
Fixed-wing, single engine Sage Building Construction INC
Roosevelt, Utah
Standard 2023-12-17 ValidFAA registration status code V: Valid registration. All codes
N13TT Piper
PA-23-250
Fixed-wing, multi-engine Klcc Holdings LLC
Boca Raton, Florida
Standard 2023-12-14 ValidFAA registration status code V: Valid registration. All codes
N48TN Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-12-14 ValidFAA registration status code V: Valid registration. All codes
N16AB Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N87WT Cessna
T206H
Fixed-wing, single engine And We'Re Off Aviation LLC
Orlando, Florida
Standard 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N105CB Bellanca
17-31ATC
Fixed-wing, single engine Flying Squirrel Aviation LLC
Blacksburg, Virginia
Standard 2023-12-12 ValidFAA registration status code V: Valid registration. All codes
N4370F Piper
PA-32-300
Fixed-wing, single engine Rmr INC
Exeter, California
Standard 2023-12-12 ValidFAA registration status code V: Valid registration. All codes
N829MA Cessna
T182T
Fixed-wing, single engine Individual owner
Maine
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N626VB Mooney
M20M
Fixed-wing, single engine Jbo Airventures LLC
Saint Petersburg, Florida
Standard 2023-12-09 ValidFAA registration status code V: Valid registration. All codes
N6882Y Piper
PA-23-250
Fixed-wing, multi-engine Flamingo Air INC
Cincinnati, Ohio
Standard 2023-12-08 ValidFAA registration status code V: Valid registration. All codes
N4149R Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
Texas
Standard 2023-12-07 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.