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
N8355H Piper
PA-32R-301T
Fixed-wing, single engine Ljmf 17 LLC
Hays, Kansas
Standard 2022-11-01 ValidFAA registration status code V: Valid registration. All codes
N371AM Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 2022-10-29 ValidFAA registration status code V: Valid registration. All codes
N397TC Cessna
T206H
Fixed-wing, single engine Bravo & Bravo LLC
Greenville, Maine
Standard 2022-10-29 ValidFAA registration status code V: Valid registration. All codes
N232TS Piper
PA-32R-301T
Fixed-wing, single engine Two Tango Sierra LLC
Edmond, Oklahoma
Standard 2022-10-28 ValidFAA registration status code V: Valid registration. All codes
N4022R Piper
PA-32-300
Fixed-wing, single engine Z Aviation LLC
North Ridgeville, Ohio
Standard 2022-10-28 ValidFAA registration status code V: Valid registration. All codes
N694BK Cessna
A185E
Fixed-wing, single engine Individual owner
Washington
Standard 2022-10-28 ValidFAA registration status code V: Valid registration. All codes
N599AH Piper
PA-31-350
Fixed-wing, multi-engine Avtran LLC
Clayton, Missouri
Standard 2022-10-26 ValidFAA registration status code V: Valid registration. All codes
N6879J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-10-26 ValidFAA registration status code V: Valid registration. All codes
N270FB Mooney
M20M
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2022-10-25 ValidFAA registration status code V: Valid registration. All codes
N2265Q Piper
PA-32-300
Fixed-wing, single engine Myl High Flying Club LLC
Mccall, Idaho
Standard 2022-10-21 ValidFAA registration status code V: Valid registration. All codes
N8916N Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 2022-10-19 ValidFAA registration status code V: Valid registration. All codes
N819TA Cessna
T182T
Fixed-wing, single engine Co-owned owner
California
Standard 2022-10-17 ValidFAA registration status code V: Valid registration. All codes
N177AF Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Mcgee Aviation LLC
Yorktown, Virginia
Standard 2022-10-15 ValidFAA registration status code V: Valid registration. All codes
N2127A Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2022-10-15 ValidFAA registration status code V: Valid registration. All codes
N9006F Piper
PA-32R-300
Fixed-wing, single engine Seasky27 Productions LLC
Forked River, New Jersey
Standard 2022-10-14 ValidFAA registration status code V: Valid registration. All codes
N40399 Piper
PA-23-250
Fixed-wing, multi-engine Aviation Academy LLC
Wichita, Kansas
Standard 2022-10-13 ValidFAA registration status code V: Valid registration. All codes
N5930Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Delaware
Standard 2022-10-13 ValidFAA registration status code V: Valid registration. All codes
N200CT Mooney
M20M
Fixed-wing, single engine Alpha Bravo 1 LLC
Willow Street, Pennsylvania
Standard 2022-10-12 ValidFAA registration status code V: Valid registration. All codes
N6962S Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Virginia
Standard 2022-10-12 ValidFAA registration status code V: Valid registration. All codes
N81LM Piper
PA-32-300
Fixed-wing, single engine Mission Flight Academy
Yucaipa, California
Standard 2022-10-12 ValidFAA registration status code V: Valid registration. All codes
N311KF Piper
PA 46-350P
Fixed-wing, single engine Alpha Papa LLC
Fort Stockton, Texas
Standard 2022-10-08 ValidFAA registration status code V: Valid registration. All codes
N3026D Piper
PA-32RT-300T
Fixed-wing, single engine Dirt World LLC
Boulder City, Nevada
Standard 2022-10-05 ValidFAA registration status code V: Valid registration. All codes
N424FA Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2022-10-05 ValidFAA registration status code V: Valid registration. All codes
N396MC Cessna
T182T
Fixed-wing, single engine Jf Aviation LLC
Minot, North Dakota
Standard 2022-10-03 ValidFAA registration status code V: Valid registration. All codes
N4118W Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-10-03 ValidFAA registration status code V: Valid registration. All codes
N4076R Piper
PA-32-300
Fixed-wing, single engine Twk Air LLC
Morgantown, Pennsylvania
Standard 2022-10-01 ValidFAA registration status code V: Valid registration. All codes
N44813 Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 2022-10-01 ValidFAA registration status code V: Valid registration. All codes
N253DS Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Louisiana
Standard 2022-09-30 ValidFAA registration status code V: Valid registration. All codes
N4911W Rockwell International
114
Fixed-wing, single engine 3Js Aviation LLC
Wilmington, Delaware
Standard 2022-09-29 ValidFAA registration status code V: Valid registration. All codes
N6089Y Piper
PA-23-250
Fixed-wing, multi-engine Aerosavant LLC
Towanda, Pennsylvania
Standard 2022-09-29 ValidFAA registration status code V: Valid registration. All codes
N7AZ Piper
PA-23-250
Fixed-wing, multi-engine Devaney Aviation INC
Palm City, Florida
Standard 2022-09-28 ValidFAA registration status code V: Valid registration. All codes
N2047C Cessna
T182T
Fixed-wing, single engine Propp & Wings LLC
Missoula, Montana
Standard 2022-09-27 ValidFAA registration status code V: Valid registration. All codes
N8408P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Louisiana
Standard 2022-09-24 ValidFAA registration status code V: Valid registration. All codes
N824KL Bellanca
17-31A
Fixed-wing, single engine N824Kl LLC
Lakewood, California
Standard 2022-09-23 ValidFAA registration status code V: Valid registration. All codes
N4239R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2022-09-22 ValidFAA registration status code V: Valid registration. All codes
N8333P Piper
PA-24-250
Fixed-wing, single engine Allred Klein Enterprise LLC
San Diego, California
Standard 2022-09-22 ValidFAA registration status code V: Valid registration. All codes
N8917P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2022-09-22 ValidFAA registration status code V: Valid registration. All codes
N4075R Piper
PA-32-300
Fixed-wing, single engine Coastal Airways LLC
Dover, Delaware
Standard 2022-09-21 ValidFAA registration status code V: Valid registration. All codes
N4132W Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2022-09-21 ValidFAA registration status code V: Valid registration. All codes
N28BE Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2022-09-20 ValidFAA registration status code V: Valid registration. All codes
N4485X Piper
PA-32-300
Fixed-wing, single engine L & A Bennett Second Family LP
Renton, Washington
Standard 2022-09-20 ValidFAA registration status code V: Valid registration. All codes
N555HR Mooney
M20M
Fixed-wing, single engine Jtu Aviation LLC
Laramie, Wyoming
Standard 2022-09-20 ValidFAA registration status code V: Valid registration. All codes
N18LH Piper
PA-32R-301T
Fixed-wing, single engine Krystal Sky Aviation LLC
Melbourne, Florida
Standard 2022-09-19 ValidFAA registration status code V: Valid registration. All codes
N20617 Textron Aviation Inc
T206H
Fixed-wing, single engine Mtnairpower LLC
Santa Barbara, California
Standard 2022-09-17 ValidFAA registration status code V: Valid registration. All codes
N31TE Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2022-09-17 ValidFAA registration status code V: Valid registration. All codes
N30144 Piper
PA-32R-301T
Fixed-wing, single engine Roberti Aviation of Delaware INC
Lighthouse Point, Florida
Standard 2022-09-16 ValidFAA registration status code V: Valid registration. All codes
N794RS Mooney
M20M
Fixed-wing, single engine Withheld at owner's request
Standard 2022-09-16 ValidFAA registration status code V: Valid registration. All codes
N110WB Aero Commander
500-B
Fixed-wing, multi-engine Ferrin Aviation LLC
Rome, Georgia
Standard 2022-09-15 ValidFAA registration status code V: Valid registration. All codes
N8800P Piper
PA-24-260
Fixed-wing, single engine Anp Networks CORP
Las Vegas, Nevada
Standard 2022-09-15 ValidFAA registration status code V: Valid registration. All codes
N9211P Piper
PA-24-260
Fixed-wing, single engine Bordeleau Michael V
Bridport, Vermont
Standard 2022-09-14 ValidFAA registration status code V: Valid registration. All codes
N4141R Piper
PA-32-300
Fixed-wing, single engine Hard Landing LLC
Fort Pierce, Florida
Standard 2022-09-12 ValidFAA registration status code V: Valid registration. All codes
N6201J Piper
PA-32R-300
Fixed-wing, single engine L7 Aviation LLC
Geary, Oklahoma
Standard 2022-09-12 ValidFAA registration status code V: Valid registration. All codes
N8699N Piper
PA-32-300
Fixed-wing, single engine Holding Short LLC
Travelers Rest, South Carolina
Standard 2022-09-12 ValidFAA registration status code V: Valid registration. All codes
N4083W Piper
PA-31-350
Fixed-wing, multi-engine 13 Aviation LLC
Leesburg, Georgia
Standard 2022-09-10 ValidFAA registration status code V: Valid registration. All codes
N8708P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Iowa
Standard 2022-09-10 ValidFAA registration status code V: Valid registration. All codes
N182LK Cessna
T182T
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2022-09-09 ValidFAA registration status code V: Valid registration. All codes
N84WA Cessna
T182T
Fixed-wing, single engine Flying High LLC
Selah, Washington
Standard 2022-09-09 ValidFAA registration status code V: Valid registration. All codes
N9175S Piper
PA-24-260
Fixed-wing, single engine Individual owner
Nebraska
Standard 2022-09-09 ValidFAA registration status code V: Valid registration. All codes
N9284X Piper
PA 46-350P
Fixed-wing, single engine 84X Leasing LLC
Idaho Falls, Idaho
Standard 2022-09-09 ValidFAA registration status code V: Valid registration. All codes
N16YP Piper
PA-31-350
Fixed-wing, multi-engine Sebastian Aero Services INC
Guaynabo, Puerto Rico
Standard 2022-09-06 ValidFAA registration status code V: Valid registration. All codes
N187G Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
New York
Standard 2022-09-06 ValidFAA registration status code V: Valid registration. All codes
N394HP Piper
PA-32R-301
Fixed-wing, single engine Mms Aviation LLC
Muscle Shoals, Alabama
Standard 2022-09-03 ValidFAA registration status code V: Valid registration. All codes
N308BE Piper
PA-32R-300
Fixed-wing, single engine Alge Aviation INC
Middletown, Delaware
Standard 2022-09-01 ValidFAA registration status code V: Valid registration. All codes
N735RC Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Arizona
Standard 2022-09-01 ValidFAA registration status code V: Valid registration. All codes
N314K Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Connecticut
Standard 2022-08-31 ValidFAA registration status code V: Valid registration. All codes
N8454E Piper
PA-32R-301T
Fixed-wing, single engine Kompass Aviation LLC
Sheridan, Wyoming
Standard 2022-08-30 ValidFAA registration status code V: Valid registration. All codes
N880RC Piper
PA-31-350
Fixed-wing, multi-engine Puerto Rico Aircraft Leasing CORP
Ceiba, Puerto Rico
Standard 2022-08-30 ValidFAA registration status code V: Valid registration. All codes
N33PG Aero Commander
500 S
Fixed-wing, multi-engine Foundation of Wayne Community College INC
Goldsboro, North Carolina
Standard 2022-08-29 ValidFAA registration status code V: Valid registration. All codes
N31122 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-08-27 ValidFAA registration status code V: Valid registration. All codes
N588BS Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2022-08-27 ValidFAA registration status code V: Valid registration. All codes
N11KX Piper
PA-32-301T
Fixed-wing, single engine N11Kx LLC
Santa Clara, California
Standard 2022-08-26 ValidFAA registration status code V: Valid registration. All codes
N5381T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2022-08-26 ValidFAA registration status code V: Valid registration. All codes
N480BL Piper
PA-32R-301T
Fixed-wing, single engine Doctor Blue Eyes LLC
Princeton, West Virginia
Standard 2022-08-25 ValidFAA registration status code V: Valid registration. All codes
N32919 Piper
PA-32-300
Fixed-wing, single engine Mbap LLC
Salt Lake City, Utah
Standard 2022-08-22 ValidFAA registration status code V: Valid registration. All codes
N77AJ Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2022-08-22 ValidFAA registration status code V: Valid registration. All codes
N9149Y Mooney
M20M
Fixed-wing, single engine Best Crane & Equipment CO LLC
Wilmington, Delaware
Standard 2022-08-22 ValidFAA registration status code V: Valid registration. All codes
N69WP Piper
PA-32-300
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-08-20 ValidFAA registration status code V: Valid registration. All codes
N9385C Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N9623E Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N1065W Mooney
M20M
Fixed-wing, single engine Individual owner
Indiana
Standard 2022-08-15 ValidFAA registration status code V: Valid registration. All codes
N6138J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2022-08-15 ValidFAA registration status code V: Valid registration. All codes
N32570 Piper
PA-32-300
Fixed-wing, single engine Nevil Aviation LLC
Statesboro, Georgia
Standard 2022-08-13 ValidFAA registration status code V: Valid registration. All codes
N561C Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Alabama
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N388JG Socata
TB21
Fixed-wing, single engine Individual owner
Connecticut
Standard 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N4220T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Virginia
Standard 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N56527 Piper
PA-32-300
Fixed-wing, single engine Kappel Kyle D
Crossville, Tennessee
Standard 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N4011R Piper
PA-32-300
Fixed-wing, single engine Hot Shots Aerial Photography LLC
Mesa, Arizona
Standard 2022-08-10 ValidFAA registration status code V: Valid registration. All codes
N296CH Piper
PA-31-325
Fixed-wing, multi-engine Tgl Partners LLC
Plant City, Florida
Standard 2022-08-09 ValidFAA registration status code V: Valid registration. All codes
N1445H Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Idaho
Standard 2022-08-06 ValidFAA registration status code V: Valid registration. All codes
N42MH Piper
PA-31-350
Fixed-wing, multi-engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2022-08-04 ValidFAA registration status code V: Valid registration. All codes
N688A Piper
PA-32RT-300T
Fixed-wing, single engine Grasky Endurance Coaching LLC
Tucson, Arizona
Standard 2022-08-03 ValidFAA registration status code V: Valid registration. All codes
N9506P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Wyoming
Standard 2022-08-03 ValidFAA registration status code V: Valid registration. All codes
N1938J Rockwell International
114
Fixed-wing, single engine Csi Asset Management INC
Naples, Florida
Standard 2022-08-02 ValidFAA registration status code V: Valid registration. All codes
N4296R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alabama
Standard 2022-07-30 ValidFAA registration status code V: Valid registration. All codes
N67TF Mooney
M20M
Fixed-wing, single engine Individual owner
Colorado
Standard 2022-07-30 ValidFAA registration status code V: Valid registration. All codes
N8883P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2022-07-30 ValidFAA registration status code V: Valid registration. All codes
N11UT Piper
PA-31-310
Fixed-wing, multi-engine Max Aviation LLC
Venice, Florida
Standard 2022-07-28 ValidFAA registration status code V: Valid registration. All codes
N1419X Piper
PA-32-300
Fixed-wing, single engine Whitman Aviation LLC
Morganville, New Jersey
Standard 2022-07-25 ValidFAA registration status code V: Valid registration. All codes
N614KF Piper
PA-31-350
Fixed-wing, multi-engine Great Ledge Development INC
Saint Louis, Missouri
Standard 2022-07-25 ValidFAA registration status code V: Valid registration. All codes
N2943Q Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2022-07-23 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.