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
N112AA Aero Commander
500-B
Fixed-wing, multi-engine Co-owned owner
New Hampshire
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N134JF Mooney
M20M
Fixed-wing, single engine Flamingo Ridge Aviation LLC
Interlachen, Florida
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N4058R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N4088R Piper
PA-32-300
Fixed-wing, single engine Kako Retreat Center INC
Russian Mission, Alaska
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N828LB Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N600AH Piper
PA-24-260
Fixed-wing, single engine Coastal Road Aviation LLC
Mukilteo, Washington
Standard 2022-03-23 ValidFAA registration status code V: Valid registration. All codes
N2296Q Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2022-03-22 ValidFAA registration status code V: Valid registration. All codes
N8AP Piper
PA-23-250
Fixed-wing, multi-engine Matthews Aviation LLC
Hardinsburg, Kentucky
Standard 2022-03-21 ValidFAA registration status code V: Valid registration. All codes
N8961P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2022-03-17 ValidFAA registration status code V: Valid registration. All codes
N47501 Piper
PA-32R-300
Fixed-wing, single engine Route 66 Aviation Services LLC
Waynesville, Missouri
Standard 2022-03-16 ValidFAA registration status code V: Valid registration. All codes
N55050 Piper
PA-32-300
Fixed-wing, single engine Individual owner
South Carolina
Standard 2022-03-16 ValidFAA registration status code V: Valid registration. All codes
N6212X Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
Louisiana
Special flight permit 2022-03-15 ValidFAA registration status code V: Valid registration. All codes
N701JG Smith
AEROSTAR 601
Fixed-wing, multi-engine Aerostar LLC
Newport Beach, California
Standard 2022-03-15 ValidFAA registration status code V: Valid registration. All codes
N710KV Cessna
T182T
Fixed-wing, single engine G B Aerial Applications INC
Slaton, Texas
Standard 2022-03-15 ValidFAA registration status code V: Valid registration. All codes
N93PN Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2022-03-15 ValidFAA registration status code V: Valid registration. All codes
N316MA Piper
PA-32-300
Fixed-wing, single engine Blue Side Up INC
Islamorada, Florida
Standard 2022-03-14 ValidFAA registration status code V: Valid registration. All codes
N9471P Piper
PA-24-260
Fixed-wing, single engine Fly Yawa Aviation LLC
Statesboro, Georgia
Standard 2022-03-12 ValidFAA registration status code V: Valid registration. All codes
N8682N Piper
PA-32-300
Fixed-wing, single engine St Augustine Bluewater LLC
Saint Augustine, Florida
Standard 2022-03-10 ValidFAA registration status code V: Valid registration. All codes
N5382N Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2022-03-09 ValidFAA registration status code V: Valid registration. All codes
N554KD Piper
PA-31-350
Fixed-wing, multi-engine Western Air International CO
Pompano Beach, Florida
Standard 2022-03-09 ValidFAA registration status code V: Valid registration. All codes
N22320 Mooney
M20M
Fixed-wing, single engine B Lillico Petroleum Consultants LTD
Eastport, Idaho
Standard 2022-03-07 ValidFAA registration status code V: Valid registration. All codes
N693ME Douglas Randolph E
GLASAIR III
Fixed-wing, single engine Individual owner
Arizona
Experimental 2022-03-07 ValidFAA registration status code V: Valid registration. All codes
N750AW Piper
PA-32-300
Fixed-wing, single engine Magumbo Aviation LLC
Macomb, Michigan
Standard 2022-03-05 ValidFAA registration status code V: Valid registration. All codes
N709SA Piper
PA-31-350
Fixed-wing, multi-engine N709Sa LLC
Maxville, Florida
Standard 2022-03-04 ValidFAA registration status code V: Valid registration. All codes
N100RT Piper
PA-31-310
Fixed-wing, multi-engine Ranch 100 LLC
Fort Pierce, Florida
Standard 2022-03-03 ValidFAA registration status code V: Valid registration. All codes
N678TH Piper
PA-32RT-300T
Fixed-wing, single engine Sky High Aviation LLC
Shelby Township, Michigan
Standard 2022-03-03 ValidFAA registration status code V: Valid registration. All codes
N707JP Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Sierra Hotel INC
Van Buren, Arkansas
Standard 2022-03-03 ValidFAA registration status code V: Valid registration. All codes
N45RN Smith
AEROSTAR 601
Fixed-wing, multi-engine Co-owned owner
South Carolina
Standard 2022-03-02 ValidFAA registration status code V: Valid registration. All codes
N3577D Piper
PA-32R-301T
Fixed-wing, single engine Aga Aviation LLC
Lewes, Delaware
Standard 2022-03-01 ValidFAA registration status code V: Valid registration. All codes
N762SA Piper
PA-31-325
Fixed-wing, multi-engine Sua 762Sa INC
Palm City, Florida
Standard 2022-03-01 ValidFAA registration status code V: Valid registration. All codes
N916JA Piper
PA 46-350P
Fixed-wing, single engine Valiair Limited CO Trustee
Casper, Wyoming
Standard 2022-02-28 ValidFAA registration status code V: Valid registration. All codes
N1860H Piper
PA-32-300
Fixed-wing, single engine Nighthawks Sanity LLC
Chesterfield, Missouri
Standard 2022-02-26 ValidFAA registration status code V: Valid registration. All codes
N6263J Piper
PA-32R-300
Fixed-wing, single engine Mcclain Family Cellars INC DBA
Irvine, California
Standard 2022-02-25 ValidFAA registration status code V: Valid registration. All codes
N401BP Piper
PA-32R-301T
Fixed-wing, single engine Southside CORP LLC
Rainsville, Alabama
Standard 2022-02-23 ValidFAA registration status code V: Valid registration. All codes
N33669 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2022-02-22 ValidFAA registration status code V: Valid registration. All codes
N417JS Piper
PA 46-350P
Fixed-wing, single engine Cockapoo Air LLC
Naperville, Illinois
Standard 2022-02-19 ValidFAA registration status code V: Valid registration. All codes
N6503Y Piper
PA-23-250
Fixed-wing, multi-engine She-Rat Aviation INC
Wilmington, Delaware
Standard 2022-02-19 ValidFAA registration status code V: Valid registration. All codes
N2183P Cessna
T182T
Fixed-wing, single engine Barney Northcote INC
Riverside, California
Standard 2022-02-18 ValidFAA registration status code V: Valid registration. All codes
N797S Piper
PA-32R-301T
Fixed-wing, single engine Low Wing 797 LLC
Aurora, Illinois
Standard 2022-02-17 ValidFAA registration status code V: Valid registration. All codes
N91734 Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2022-02-17 ValidFAA registration status code V: Valid registration. All codes
N8144G Piper
PA-32R-301T
Fixed-wing, single engine Distant Horizons LLC
Park City, Utah
Standard 2022-02-10 ValidFAA registration status code V: Valid registration. All codes
N111WY Cessna
T182T
Fixed-wing, single engine N111Wy LLC
Wilmington, Delaware
Standard 2022-02-08 ValidFAA registration status code V: Valid registration. All codes
N229MA Piper
PA 46-350P
Fixed-wing, single engine N&D Executive Services LLC
San Antonio, Texas
Standard 2022-02-08 ValidFAA registration status code V: Valid registration. All codes
N54075 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2022-02-07 ValidFAA registration status code V: Valid registration. All codes
N525JF Piper
PA-24-260
Fixed-wing, single engine Moray Eel LLC
Vail, Arizona
Standard 2022-02-05 ValidFAA registration status code V: Valid registration. All codes
N4163E Piper
PA-32R-301T
Fixed-wing, single engine Allied Aviators INC
Allison Park, Pennsylvania
Standard 2022-02-02 ValidFAA registration status code V: Valid registration. All codes
N57886 Piper
PA-36-300
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2022-02-01 ValidFAA registration status code V: Valid registration. All codes
N925DB Cessna
T182T
Fixed-wing, single engine Hawk2Lane LLC
Newark, Delaware
Standard 2022-01-29 ValidFAA registration status code V: Valid registration. All codes
N411FS Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
U.S. Virgin Islands
Standard 2022-01-28 ValidFAA registration status code V: Valid registration. All codes
N4805W Rockwell International
114
Fixed-wing, single engine Individual owner
Texas
Standard 2022-01-28 ValidFAA registration status code V: Valid registration. All codes
N98TL Piper
PA-32R-301T
Fixed-wing, single engine Air Dynamics LLC
West Des Moines, Iowa
Standard 2022-01-28 ValidFAA registration status code V: Valid registration. All codes
N40992 Piper
PA-31-350
Fixed-wing, multi-engine Awmr LLC
Conroe, Texas
Standard 2022-01-27 ValidFAA registration status code V: Valid registration. All codes
N97MV Piper
PA 46-350P
Fixed-wing, single engine North American Safety Education Group LLC
Flowery Branch, Georgia
Standard 2022-01-27 ValidFAA registration status code V: Valid registration. All codes
N9182P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2022-01-26 ValidFAA registration status code V: Valid registration. All codes
N255DS Piper
PA-32-301T
Fixed-wing, single engine Aircraft LLC
Battle Ground, Washington
Standard 2022-01-25 ValidFAA registration status code V: Valid registration. All codes
N3776T Cessna
T182T
Fixed-wing, single engine Fractional Villas INC
Del Mar, California
Standard 2022-01-25 ValidFAA registration status code V: Valid registration. All codes
N240JB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Nebraska
Standard 2022-01-22 ValidFAA registration status code V: Valid registration. All codes
N3576X Piper
PA-32R-301T
Fixed-wing, single engine Field Aviation LLC
Fairview, Texas
Standard 2022-01-22 ValidFAA registration status code V: Valid registration. All codes
N6140Y Piper
PA-23-250
Fixed-wing, multi-engine Southern Seaplane INC
Belle Chasse, Louisiana
Standard 2022-01-19 ValidFAA registration status code V: Valid registration. All codes
N200SJ Piper
PA-31-350
Fixed-wing, multi-engine Channey Aviation Group LLC
Las Vegas, Nevada
Standard 2022-01-18 ValidFAA registration status code V: Valid registration. All codes
N700AK Rockwell International
700
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2022-01-18 ValidFAA registration status code V: Valid registration. All codes
N727HB Piper
PA-31-325
Fixed-wing, multi-engine Riverside Farms
Sardis, Mississippi
Standard 2022-01-18 ValidFAA registration status code V: Valid registration. All codes
N6020K Cessna
T182T
Fixed-wing, single engine Duont LLC
Portola Valley, California
Standard 2022-01-15 ValidFAA registration status code V: Valid registration. All codes
N90349 Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Florida
Standard 2022-01-13 ValidFAA registration status code V: Valid registration. All codes
N13803 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Massachusetts
Standard 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N33089 Piper
PA-32-300
Fixed-wing, single engine Double Ll Enterprises LLC
Virginia Beach, Virginia
Standard 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N8767P Piper
PA-24-260
Fixed-wing, single engine Gen-One Aviation LLC
Carlsbad, New Mexico
Standard 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N7045G Piper
PA-32R-300
Fixed-wing, single engine Big Rock Aviation LLC
Big Rock, Illinois
Standard 2022-01-10 ValidFAA registration status code V: Valid registration. All codes
N56655 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Alabama
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N66TS Cessna
T206H
Fixed-wing, single engine Tall Timber Flying Service LLC
Kalispell, Montana
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N8824P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N39659 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2022-01-03 ValidFAA registration status code V: Valid registration. All codes
N9155P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2021-12-30 ValidFAA registration status code V: Valid registration. All codes
N9167J Mooney
M20M
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2021-12-30 ValidFAA registration status code V: Valid registration. All codes
N12ST Piper
PA-32R-301T
Fixed-wing, single engine Wise Ventures LLC
Mooresville, North Carolina
Standard 2021-12-21 ValidFAA registration status code V: Valid registration. All codes
N2039X Mooney
M20M
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2021-12-21 ValidFAA registration status code V: Valid registration. All codes
N47961 Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2021-12-21 ValidFAA registration status code V: Valid registration. All codes
N7419S Smith
AEROSTAR 601
Fixed-wing, multi-engine Kcantarano LLC
Mukilteo, Washington
Standard 2021-12-17 ValidFAA registration status code V: Valid registration. All codes
N851DS Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2021-12-17 ValidFAA registration status code V: Valid registration. All codes
N112RM Mooney
M20M
Fixed-wing, single engine Appalachian Aviation LLC
Harrisonburg, Virginia
Standard 2021-12-16 ValidFAA registration status code V: Valid registration. All codes
N785HC Piper
PA 46-350P
Fixed-wing, single engine Kenmore Crew Leasing INC Trustee
Bellingham, Washington
Standard 2021-12-16 ValidFAA registration status code V: Valid registration. All codes
N38KC Piper
PA-31-350
Fixed-wing, multi-engine Channey Aviation Group LLC
Las Vegas, Nevada
Standard 2021-12-14 ValidFAA registration status code V: Valid registration. All codes
N3558X Piper
PA-31-350
Fixed-wing, multi-engine Awmr LLC
Conroe, Texas
Standard 2021-12-11 ValidFAA registration status code V: Valid registration. All codes
N6173J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2021-12-11 ValidFAA registration status code V: Valid registration. All codes
N42JD Mooney
M20M
Fixed-wing, single engine Speegle Aviation LLC
Albuquerque, New Mexico
Standard 2021-12-10 ValidFAA registration status code V: Valid registration. All codes
N4297R Piper
PA-32-300
Fixed-wing, single engine 4297 Romeo Aviation LLC
Owasso, Oklahoma
Standard 2021-12-07 ValidFAA registration status code V: Valid registration. All codes
N111GA Piper
PA-31-350
Fixed-wing, multi-engine Georges Aviation Services INC
Honolulu, Hawaii
Standard 2021-12-04 ValidFAA registration status code V: Valid registration. All codes
N222F Cessna
T206H
Fixed-wing, single engine Goddspeed LLC
Encinitas, California
Standard 2021-12-04 ValidFAA registration status code V: Valid registration. All codes
N91FB Piper
PA-32R-301T
Fixed-wing, single engine Aircraft Partner Holdings INC Trustee
Berlin,
Standard 2021-12-03 ValidFAA registration status code V: Valid registration. All codes
N78KT Smith
AEROSTAR 601P
Fixed-wing, multi-engine Jbt Aviation LLC
Shawano, Wisconsin
Standard 2021-12-02 ValidFAA registration status code V: Valid registration. All codes
N202JH Aero Commander
500 S
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-12-01 ValidFAA registration status code V: Valid registration. All codes
N3529W Piper
PA-31-350
Fixed-wing, multi-engine Mission Flight
El Monte, California
Standard 2021-12-01 ValidFAA registration status code V: Valid registration. All codes
N424P Piper
PA-31-310
Fixed-wing, multi-engine Aviation CO LLC
Kaneohe, Hawaii
Standard 2021-12-01 ValidFAA registration status code V: Valid registration. All codes
N377HA Cessna
T206H
Fixed-wing, single engine Individual owner
Missouri
Standard 2021-11-29 ValidFAA registration status code V: Valid registration. All codes
N97GT Socata
TB21
Fixed-wing, single engine Individual owner
New Jersey
Standard 2021-11-23 ValidFAA registration status code V: Valid registration. All codes
N225Z Commander Aircraft Co
114TC
Fixed-wing, single engine Individual owner
Ohio
Standard 2021-11-20 ValidFAA registration status code V: Valid registration. All codes
N516AB Piper
PA-32R-300
Fixed-wing, single engine Rmp CORP
Pound Ridge, New York
Standard 2021-11-19 ValidFAA registration status code V: Valid registration. All codes
N828KT Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2021-11-19 ValidFAA registration status code V: Valid registration. All codes
N1218W Piper
PA32-301XTC
Fixed-wing, single engine Ondrick Aviation LLC
Chicopee, Massachusetts
Standard 2021-11-18 ValidFAA registration status code V: Valid registration. All codes
N888TM Piper
PA-32-300
Fixed-wing, single engine Five G Aviation LLC
Nampa, Idaho
Standard 2021-11-18 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.