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
N477LP Cessna
T182T
Fixed-wing, single engine Tomchan LLC
Bostic, North Carolina
Standard 2024-06-10 ValidFAA registration status code V: Valid registration. All codes
N64AP Piper
PA-31-350
Fixed-wing, multi-engine D&N Holdingsinc
Boca Raton, Florida
Standard 2024-06-10 ValidFAA registration status code V: Valid registration. All codes
N952AN Piper
PA-23-250
Fixed-wing, multi-engine Aztec 66 LLC
Indianapolis, Indiana
Standard 2024-06-10 ValidFAA registration status code V: Valid registration. All codes
N228HS Cessna
T206H
Fixed-wing, single engine Individual owner
Texas
Standard 2024-06-07 ValidFAA registration status code V: Valid registration. All codes
N532SA Aero Commander
500 S
Fixed-wing, multi-engine 2Flyshrike LLC
Miramar, Florida
Standard 2024-06-06 ValidFAA registration status code V: Valid registration. All codes
N7010F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Virginia
Standard 2024-06-05 ValidFAA registration status code V: Valid registration. All codes
N8172P Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Georgia
Standard 2024-06-04 ValidFAA registration status code V: Valid registration. All codes
N41518 Piper
PA 46-350P
Fixed-wing, single engine Individual owner
North Carolina
Standard 2024-06-03 ValidFAA registration status code V: Valid registration. All codes
N1016X Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2024-05-30 ValidFAA registration status code V: Valid registration. All codes
N6591V Bellanca
17-31A
Fixed-wing, single engine Epic Air Power LLC
Newark, Delaware
Standard 2024-05-30 ValidFAA registration status code V: Valid registration. All codes
N329RS Aero Commander
500-B
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2024-05-28 ValidFAA registration status code V: Valid registration. All codes
N4080B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2024-05-28 ValidFAA registration status code V: Valid registration. All codes
N4142W Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2024-05-28 ValidFAA registration status code V: Valid registration. All codes
N939CA Piper
PA-24-260
Fixed-wing, single engine Mcs Aviation LLC
Larned, Kansas
Standard 2024-05-26 ValidFAA registration status code V: Valid registration. All codes
N8676N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2024-05-25 ValidFAA registration status code V: Valid registration. All codes
N387TC Cessna
T182T
Fixed-wing, single engine Individual owner
Florida
Standard 2024-05-23 ValidFAA registration status code V: Valid registration. All codes
N6888J Piper
PA-32R-300
Fixed-wing, single engine Movable Air LLC
Oldsmar, Florida
Standard 2024-05-23 ValidFAA registration status code V: Valid registration. All codes
N4173R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2024-05-22 ValidFAA registration status code V: Valid registration. All codes
N594CM Cessna
T182T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2024-05-22 ValidFAA registration status code V: Valid registration. All codes
N810MJ Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2024-05-22 ValidFAA registration status code V: Valid registration. All codes
N957D Piper
PA-32R-301T
Fixed-wing, single engine Scott Crump Properties LLC
Jasper, Alabama
Standard 2024-05-22 ValidFAA registration status code V: Valid registration. All codes
N9292Y Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Indiana
Standard 2024-05-21 ValidFAA registration status code V: Valid registration. All codes
N321PW Cessna
T182T
Fixed-wing, single engine Squaw Valley Air Force LLC
Reno, Nevada
Standard 2024-05-18 ValidFAA registration status code V: Valid registration. All codes
N326BP Piper
PA-32-300
Fixed-wing, single engine Eagle Flew LLC
Sanford, North Carolina
Standard 2024-05-18 ValidFAA registration status code V: Valid registration. All codes
N4122R Piper
PA-32R-301T
Fixed-wing, single engine Lowenslow LLC
Hailey, Idaho
Standard 2024-05-18 ValidFAA registration status code V: Valid registration. All codes
N6561Y Piper
PA-23-250
Fixed-wing, multi-engine N6561Y LLC
Auburn, Alabama
Standard 2024-05-18 ValidFAA registration status code V: Valid registration. All codes
N2772P Piper
PA-32-300
Fixed-wing, single engine Fix Repair LLC
Helena, Montana
Standard 2024-05-16 ValidFAA registration status code V: Valid registration. All codes
N434BB Piper
PA-24-260
Fixed-wing, single engine Elgin Engineering LLC
Arlington, Texas
Standard 2024-05-15 ValidFAA registration status code V: Valid registration. All codes
N24YC Piper
PA-23-250
Fixed-wing, multi-engine Beauchene Air II LLC
Des Moines, Iowa
Standard 2024-05-14 ValidFAA registration status code V: Valid registration. All codes
N911SD Piper
PA-31-310
Fixed-wing, multi-engine Aviation Trust Company LLC
Oklahoma City, Oklahoma
Standard 2024-05-11 ValidFAA registration status code V: Valid registration. All codes
N885HA Piper
PA-31-350
Fixed-wing, multi-engine Fox Airways LLC
Wasilla, Alaska
Standard 2024-05-09 ValidFAA registration status code V: Valid registration. All codes
N9128P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2024-05-08 ValidFAA registration status code V: Valid registration. All codes
N825X Piper
PA32-301XTC
Fixed-wing, single engine Sktr Ac LLC
Fallbrook, California
Standard 2024-05-07 ValidFAA registration status code V: Valid registration. All codes
N10MA Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2024-05-06 ValidFAA registration status code V: Valid registration. All codes
N891CB Piper
PA-31-325
Fixed-wing, multi-engine Kal-1 LLC
Wichita, Kansas
Standard 2024-05-04 ValidFAA registration status code V: Valid registration. All codes
N54198 Piper
PA-23-250
Fixed-wing, multi-engine Valiair Lc Trustee
Casper, Wyoming
Standard 2024-05-03 ValidFAA registration status code V: Valid registration. All codes
N999CK Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2024-05-03 ValidFAA registration status code V: Valid registration. All codes
N300JR Beech
56TC
Fixed-wing, multi-engine Beechcraft Heritage Museum
Tullahoma, Tennessee
Standard 2024-05-01 ValidFAA registration status code V: Valid registration. All codes
N3056D Piper
PA-32RT-300T
Fixed-wing, single engine Applied Aviation LLC
Grain Valley, Missouri
Standard 2024-05-01 ValidFAA registration status code V: Valid registration. All codes
N3069T Piper
PA-32RT-300T
Fixed-wing, single engine Top Tier Truck and Trailer LLC
Amarillo, Texas
Standard 2024-05-01 ValidFAA registration status code V: Valid registration. All codes
N9896 Piper
PA-32R-300
Fixed-wing, single engine Paul Chappano Pa
Saint Johns, Florida
Standard 2024-05-01 ValidFAA registration status code V: Valid registration. All codes
N4317X Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2024-04-30 ValidFAA registration status code V: Valid registration. All codes
N500HM Aero Commander
500 S
Fixed-wing, multi-engine Talos Aviation Group LLC
Blackstone, Virginia
Standard 2024-04-29 ValidFAA registration status code V: Valid registration. All codes
N91AU Piper
PA-32R-301T
Fixed-wing, single engine Screaming Duck Air LLC
Houston, Texas
Standard 2024-04-29 ValidFAA registration status code V: Valid registration. All codes
N103MR Cessna
T206H
Fixed-wing, single engine Deepvine Partners LLC
Simonton, Texas
Standard 2024-04-27 ValidFAA registration status code V: Valid registration. All codes
N8214H Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-04-27 ValidFAA registration status code V: Valid registration. All codes
N9276P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 2024-04-27 ValidFAA registration status code V: Valid registration. All codes
N444RM Piper
PA-32-300
Fixed-wing, single engine Sky Taxi LLC
Fort Payne, Alabama
Standard 2024-04-26 ValidFAA registration status code V: Valid registration. All codes
N7984P Piper
PA-24-250
Fixed-wing, single engine Individual owner
New Jersey
Standard 2024-04-25 ValidFAA registration status code V: Valid registration. All codes
N11PZ Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2024-04-24 ValidFAA registration status code V: Valid registration. All codes
N228CM Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Texas
Standard 2024-04-21 ValidFAA registration status code V: Valid registration. All codes
N2WM Piper
PA-31-310
Fixed-wing, multi-engine Air Resources Helicopters INC
Salt Lake City, Utah
Standard 2024-04-21 ValidFAA registration status code V: Valid registration. All codes
N2904P Piper
PA-24-260
Fixed-wing, single engine Randall Airlines LLC
Wendell, North Carolina
Standard 2024-04-19 ValidFAA registration status code V: Valid registration. All codes
N3025L Piper
PA-32RT-300T
Fixed-wing, single engine Beacon Aviation Flight Services LLC
Rogers, Arkansas
Standard 2024-04-19 ValidFAA registration status code V: Valid registration. All codes
N5818Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2024-04-19 ValidFAA registration status code V: Valid registration. All codes
N9177P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2024-04-19 ValidFAA registration status code V: Valid registration. All codes
N6501P Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2024-04-18 ValidFAA registration status code V: Valid registration. All codes
N3406A Piper
PA-32R-301T
Fixed-wing, single engine 406A INC
Hollywood, Florida
Standard 2024-04-16 ValidFAA registration status code V: Valid registration. All codes
N9061P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
North Dakota
Standard 2024-04-16 ValidFAA registration status code V: Valid registration. All codes
N1087Q Mooney
M20M
Fixed-wing, single engine Fairway Auto Clinic LLC
Carlsbad, New Mexico
Standard 2024-04-11 ValidFAA registration status code V: Valid registration. All codes
N4080W Piper
PA-32-300
Fixed-wing, single engine Lance & Company Llc-S
Uniondale, Indiana
Standard 2024-04-11 ValidFAA registration status code V: Valid registration. All codes
N27481 Piper
PA-31-325
Fixed-wing, multi-engine Sanborn Map Company INC
Colorado Springs, Colorado
Standard 2024-04-10 ValidFAA registration status code V: Valid registration. All codes
N253TM Mooney
M20M
Fixed-wing, single engine Back of Beyond Aviators INC
New Braunfels, Texas
Standard 2024-04-09 ValidFAA registration status code V: Valid registration. All codes
N5832N Rockwell International
114
Fixed-wing, single engine Individual owner
Georgia
Standard 2024-04-09 ValidFAA registration status code V: Valid registration. All codes
N49BM Piper
PA-23-250
Fixed-wing, multi-engine Harriman Aviation LLC
Pearland, Texas
Standard 2024-04-05 ValidFAA registration status code V: Valid registration. All codes
N127GT Piper
PA-32R-301T
Fixed-wing, single engine 7 Golf Tango LLC
Saint Petersburg, Florida
Standard 2024-04-03 ValidFAA registration status code V: Valid registration. All codes
N464CA Piper
PA-32R-301T
Fixed-wing, single engine Airfrank INC
Hackensack, New Jersey
Standard 2024-04-01 ValidFAA registration status code V: Valid registration. All codes
N943HS Piper
PA-32RT-300T
Fixed-wing, single engine Monika Aviation LLC
Humble, Texas
Standard 2024-03-31 ValidFAA registration status code V: Valid registration. All codes
N18311 Piper
PA-32-300
Fixed-wing, single engine Begay & Away LLC
Houston, Texas
Standard 2024-03-29 ValidFAA registration status code V: Valid registration. All codes
N313RB Piper
PA-32RT-300T
Fixed-wing, single engine Glenn Simmons LLC
Point Lookout, New York
Standard 2024-03-28 ValidFAA registration status code V: Valid registration. All codes
N41545 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2024-03-28 ValidFAA registration status code V: Valid registration. All codes
N83182 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-03-28 ValidFAA registration status code V: Valid registration. All codes
N9391P Piper
PA-24-260
Fixed-wing, single engine Rusty Ventures LLC
Watertown, South Dakota
Standard 2024-03-26 ValidFAA registration status code V: Valid registration. All codes
N802GA Piper
PA-31-350
Fixed-wing, multi-engine Mns Asset Management LLC
Dover, Delaware
Standard 2024-03-24 ValidFAA registration status code V: Valid registration. All codes
N2365F Cessna
T206H
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2024-03-23 ValidFAA registration status code V: Valid registration. All codes
N452PD Cessna
T182T
Fixed-wing, single engine Bpd Enterprises LLC
Ponte Vedra Beach, Florida
Standard 2024-03-23 ValidFAA registration status code V: Valid registration. All codes
N206LM Cessna
U206G
Fixed-wing, single engine Qualitair LLC
Michelstadt,
Standard 2024-03-21 ValidFAA registration status code V: Valid registration. All codes
N107TL Cessna
T182T
Fixed-wing, single engine Co-owned owner
Washington
Standard 2024-03-20 ValidFAA registration status code V: Valid registration. All codes
N9081P Piper
PA-24-260
Fixed-wing, single engine Triple J Aviation LLC
Turlock, California
Standard 2024-03-19 ValidFAA registration status code V: Valid registration. All codes
N705SF Piper
PA-23-250
Fixed-wing, multi-engine Let Industries LLC
Lewes, Delaware
Standard 2024-03-16 ValidFAA registration status code V: Valid registration. All codes
N9170R Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2024-03-16 ValidFAA registration status code V: Valid registration. All codes
N132CH Piper
PA-32RT-300T
Fixed-wing, single engine Simon Aviation LLC
Bourg, Louisiana
Standard 2024-03-15 ValidFAA registration status code V: Valid registration. All codes
N30SC Piper
PA-31-350
Fixed-wing, multi-engine Harvest Aviation INC
Wauchula, Florida
Standard 2024-03-15 ValidFAA registration status code V: Valid registration. All codes
N59TX Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Louisiana
Standard 2024-03-15 ValidFAA registration status code V: Valid registration. All codes
N703DP Piper
PA-23-250
Fixed-wing, multi-engine Professional Aviation Group LLC
Wilmington, Delaware
Standard 2024-03-15 ValidFAA registration status code V: Valid registration. All codes
N6730Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Multiple 2024-03-14 ValidFAA registration status code V: Valid registration. All codes
N9127M Mooney
M20M
Fixed-wing, single engine Ap Aviation LLC
Gilford, New Hampshire
Standard 2024-03-14 ValidFAA registration status code V: Valid registration. All codes
N268HP Cessna
T206H
Fixed-wing, single engine Florida Highway Patrol
Tampa, Florida
Standard 2024-03-13 ValidFAA registration status code V: Valid registration. All codes
N133DR Piper
PA32-301XTC
Fixed-wing, single engine 814Ma INC
Van Alstyne, Texas
Standard 2024-03-12 ValidFAA registration status code V: Valid registration. All codes
N4872S Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2024-03-06 ValidFAA registration status code V: Valid registration. All codes
N862AR Piper
PA-31-325
Fixed-wing, multi-engine Le Pichon II LLC
San Juan, Puerto Rico
Standard 2024-03-06 ValidFAA registration status code V: Valid registration. All codes
N206WY Cessna
T206H
Fixed-wing, single engine Aerotrust Services CORP Owner Trustee
Wilmington, Delaware
Standard 2024-03-05 ValidFAA registration status code V: Valid registration. All codes
N7265R Cessna
T206H
Fixed-wing, single engine Emerald City Aircraft Leasing INC
Port Orchard, Washington
Standard 2024-03-05 ValidFAA registration status code V: Valid registration. All codes
N91MK Piper Aircraft Inc
PA 46-350P
Fixed-wing, single engine Mulaii LLC
Wilmington, Delaware
Standard 2024-03-05 ValidFAA registration status code V: Valid registration. All codes
N14051 Piper
PA-23-250
Fixed-wing, multi-engine Sams Way
Eagle Mountain, Utah
Standard 2024-03-04 ValidFAA registration status code V: Valid registration. All codes
N965BJ Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2024-03-04 ValidFAA registration status code V: Valid registration. All codes
N4323F Piper
PA-32R-300
Fixed-wing, single engine Misty Aviation LLC
Wilmington, Delaware
Standard 2024-03-03 ValidFAA registration status code V: Valid registration. All codes
N9482P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2024-03-03 ValidFAA registration status code V: Valid registration. All codes
N990DM Piper
PA-32R-300
Fixed-wing, single engine Aerolance LLC
Atlantic Beach, Florida
Standard 2024-03-02 ValidFAA registration status code V: Valid registration. All codes
N5014T Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Florida
Standard 2024-02-29 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.