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
N109MB Piper
PA-32RT-300T
Fixed-wing, single engine Firefly Aviation LLC
Midland, Texas
Standard 2023-09-24 ValidFAA registration status code V: Valid registration. All codes
N13760 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2023-09-23 ValidFAA registration status code V: Valid registration. All codes
N198W Piper
PA-32R-301T
Fixed-wing, single engine Cy Properties INC
Durango, Colorado
Standard 2023-09-22 ValidFAA registration status code V: Valid registration. All codes
N621CA Piper
PA 46-350P
Fixed-wing, single engine Sair LLC
Natchitoches, Louisiana
Standard 2023-09-22 ValidFAA registration status code V: Valid registration. All codes
N4174R Piper
PA-32-300
Fixed-wing, single engine South Butte LLC
Cedar City, Utah
Standard 2023-09-19 ValidFAA registration status code V: Valid registration. All codes
N194PM Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Alabama
Standard 2023-09-17 ValidFAA registration status code V: Valid registration. All codes
N59870 Piper
PA-31-310
Fixed-wing, multi-engine Talkeetna Aero Services INC
Anchorage, Alaska
Standard 2023-09-17 ValidFAA registration status code V: Valid registration. All codes
N3055F Piper
PA-32RT-300T
Fixed-wing, single engine Wilkinson Air LLC
Huntington, West Virginia
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N1968T Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2023-09-14 ValidFAA registration status code V: Valid registration. All codes
N325AK Piper
PA-31-325
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2023-09-14 ValidFAA registration status code V: Valid registration. All codes
N2441Y Cessna
T206H
Fixed-wing, single engine Tag Aviation LLC
Santa Teresa, New Mexico
Standard 2023-09-13 ValidFAA registration status code V: Valid registration. All codes
N62899 Piper
PA-31-350
Fixed-wing, multi-engine Sf Health Solutions INC
Homestead, Florida
Standard 2023-09-13 ValidFAA registration status code V: Valid registration. All codes
N70GG Ogg Richard
GLANSAIR
Fixed-wing, single engine Individual owner
Florida
Experimental 2023-09-13 ValidFAA registration status code V: Valid registration. All codes
N21796 Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-09-12 ValidFAA registration status code V: Valid registration. All codes
N11LJ Cessna
T206H
Fixed-wing, single engine Handyquick Mn LLC
Woodbury, Minnesota
Standard 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N617ED Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N8623P Piper
PA-24-260
Fixed-wing, single engine Major Development LLC
Cedaredge, Colorado
Standard 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N9133P Piper
PA-24-260
Fixed-wing, single engine J&J N2288 LLC
Houston, Texas
Standard 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N700VW Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Condor Aviation LLC
Bethlehem, Pennsylvania
Standard 2023-09-10 ValidFAA registration status code V: Valid registration. All codes
N5201S Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2023-09-07 ValidFAA registration status code V: Valid registration. All codes
N2139K Mooney
M20M
Fixed-wing, single engine Polly P LLC
Fort Worth, Texas
Standard 2023-09-06 ValidFAA registration status code V: Valid registration. All codes
N64WM Smith
AEROSTAR 601P
Fixed-wing, multi-engine Seg Leasing LLC
Selinsgrove, Pennsylvania
Standard 2023-09-06 ValidFAA registration status code V: Valid registration. All codes
N1810S Cessna
T182T
Fixed-wing, single engine Swift Current Resources LLC
Billings, Montana
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N4775F Piper
PA-32-300
Fixed-wing, single engine 2 Fly Aviation LLC
Short Hills, New Jersey
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N600R Smith
AEROSTAR 600
Fixed-wing, multi-engine Savanna Lakes LLC
Dover, Delaware
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N805NJ Piper
PA-31-350
Fixed-wing, multi-engine Freedom Capital Air LLC
Winchester, Tennessee
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N8263E Piper
PA-32-301T
Fixed-wing, single engine N8263E LLC
Jackson, Michigan
Standard 2023-09-03 ValidFAA registration status code V: Valid registration. All codes
N501BC Piper
PA-23-250
Fixed-wing, multi-engine Jamestown Jet Center INC
Jamestown, North Dakota
Standard 2023-09-02 ValidFAA registration status code V: Valid registration. All codes
N3041B Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Washington
Standard 2023-08-31 ValidFAA registration status code V: Valid registration. All codes
N8939N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2023-08-31 ValidFAA registration status code V: Valid registration. All codes
N4112W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
N21499 Piper
PA-32RT-300T
Fixed-wing, single engine Kling Clint W
Summerset, South Dakota
Standard 2023-08-28 ValidFAA registration status code V: Valid registration. All codes
N97HY Cessna
182T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-08-28 ValidFAA registration status code V: Valid registration. All codes
N9999W Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2023-08-27 ValidFAA registration status code V: Valid registration. All codes
N8327Z Piper
PA-32-301T
Fixed-wing, single engine Individual owner
California
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N9237P Piper
PA-24-260
Fixed-wing, single engine Cloud Climibers LLC
Lexington, Kentucky
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N8625N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Kansas
Standard 2023-08-25 ValidFAA registration status code V: Valid registration. All codes
N9151X Mooney
M20M
Fixed-wing, single engine Hawkins Aviation LLC
Gilbertsville, Kentucky
Standard 2023-08-25 ValidFAA registration status code V: Valid registration. All codes
N6210J Piper
PA-32R-300
Fixed-wing, single engine Fhh Air LLC
New Albany, Ohio
Standard 2023-08-24 ValidFAA registration status code V: Valid registration. All codes
N8171W Piper
PA-28-180
Fixed-wing, single engine Individual owner
Utah
Standard 2023-08-24 ValidFAA registration status code V: Valid registration. All codes
N56728 Piper
PA-32-300
Fixed-wing, single engine Morris Air LLC
Tillar, Arkansas
Standard 2023-08-23 ValidFAA registration status code V: Valid registration. All codes
N8236R Bellanca
17-31A
Fixed-wing, single engine Bellanca LLC
Galena, Kansas
Standard 2023-08-23 ValidFAA registration status code V: Valid registration. All codes
N464LB Piper
PA 46-350P
Fixed-wing, single engine Plane Austin LLC
Sherwood, Oregon
Standard 2023-08-21 ValidFAA registration status code V: Valid registration. All codes
N532S Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2023-08-21 ValidFAA registration status code V: Valid registration. All codes
N620WF Piper
PA-31-310
Fixed-wing, multi-engine Socal Air LLC
Cheyenne, Wyoming
Standard 2023-08-19 ValidFAA registration status code V: Valid registration. All codes
N2588T Cessna
T206H
Fixed-wing, single engine Aircraft Trustee Services INC Trustee
Dover, Delaware
Standard 2023-08-18 ValidFAA registration status code V: Valid registration. All codes
N84LA Piper
PA-32R-301T
Fixed-wing, single engine Mav Air LLC
Rigby, Idaho
Standard 2023-08-18 ValidFAA registration status code V: Valid registration. All codes
N312AK Piper
PA-31-350
Fixed-wing, multi-engine Safeco Leasing LLC
Port Alsworth, Alaska
Standard 2023-08-16 ValidFAA registration status code V: Valid registration. All codes
N4301C Piper
PA-31-350
Fixed-wing, multi-engine 70 North LLC
Anchorage, Alaska
Standard 2023-08-16 ValidFAA registration status code V: Valid registration. All codes
N4501B Piper
PA-31-350
Fixed-wing, multi-engine 70 North LLC
Anchorage, Alaska
Standard 2023-08-16 ValidFAA registration status code V: Valid registration. All codes
N99RG Rockwell International
700
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2023-08-16 ValidFAA registration status code V: Valid registration. All codes
N321HP Piper
PA-32-300
Fixed-wing, single engine Nfas LLC
League City, Texas
Standard 2023-08-15 ValidFAA registration status code V: Valid registration. All codes
N179ME Cessna
T206H
Fixed-wing, single engine Flight Rt LLC
Thonotosassa, Florida
Standard 2023-08-12 ValidFAA registration status code V: Valid registration. All codes
N378HP Piper
PA-32R-301T
Fixed-wing, single engine Belair Venice Aviation LLC
Osprey, Florida
Standard 2023-08-12 ValidFAA registration status code V: Valid registration. All codes
N397MW Cessna
T182T
Fixed-wing, single engine Individual owner
New Jersey
Standard 2023-08-11 ValidFAA registration status code V: Valid registration. All codes
N146DC Piper
PA-31-350
Fixed-wing, multi-engine Aztec Worldwide Airlines INC
Wilmington, Delaware
Standard 2023-08-09 ValidFAA registration status code V: Valid registration. All codes
N174ST Cessna
T206H
Fixed-wing, single engine Michigan State Police
Lansing, Michigan
Standard 2023-08-08 ValidFAA registration status code V: Valid registration. All codes
N229M Piper
PA-23-250
Fixed-wing, multi-engine Kyzer Aviation Holdings LLC
Fort Mill, South Carolina
Standard 2023-08-07 ValidFAA registration status code V: Valid registration. All codes
N61RR Cessna
T206H
Fixed-wing, single engine Aap Holdings LLC
Montana City, Montana
Standard 2023-08-05 ValidFAA registration status code V: Valid registration. All codes
N662WP Piper
PA 46-350P
Fixed-wing, single engine Seventh Letter Capital LLC
Oxford, Mississippi
Standard 2023-08-05 ValidFAA registration status code V: Valid registration. All codes
N16487 Piper
PA-32-300
Fixed-wing, single engine Piper Cherokee LLC
Seal Beach, California
Standard 2023-08-03 ValidFAA registration status code V: Valid registration. All codes
N38TC Piper
PA-31-310
Fixed-wing, multi-engine International Albatros Holdings CORP
Cottonwood, Arizona
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N9296N Piper
PA-32R-301T
Fixed-wing, single engine Sunrider Aviation INC
Irvine, California
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N75DR Piper
PA-32RT-300T
Fixed-wing, single engine Burton Stuff LLC
Carlsbad, California
Standard 2023-08-01 ValidFAA registration status code V: Valid registration. All codes
N8210H Piper
PA-32R-301
Fixed-wing, single engine Slap Shot Aviation LLC
Parker, Colorado
Standard 2023-07-30 ValidFAA registration status code V: Valid registration. All codes
N8313P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Alabama
Standard 2023-07-30 ValidFAA registration status code V: Valid registration. All codes
N9161K Piper
PA 46-350P
Fixed-wing, single engine Skymook Aviation LLC
Beaver Falls, Pennsylvania
Standard 2023-07-27 ValidFAA registration status code V: Valid registration. All codes
N7692F Piper
PA-32R-300
Fixed-wing, single engine Cwh Properties LLC
Falls City, Nebraska
Standard 2023-07-26 ValidFAA registration status code V: Valid registration. All codes
N15198 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2023-07-25 ValidFAA registration status code V: Valid registration. All codes
N24KW Mooney
M20M
Fixed-wing, single engine Acme Aviator LLC
Cheyenne, Wyoming
Standard 2023-07-22 ValidFAA registration status code V: Valid registration. All codes
N47RL Piper
PA-23-250
Fixed-wing, multi-engine Upstate Aircraft Leasing LLC
Wilmington, Delaware
Experimental 2023-07-22 ValidFAA registration status code V: Valid registration. All codes
N8401D Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Montana
Standard 2023-07-22 ValidFAA registration status code V: Valid registration. All codes
N4117Z Piper
PA-31-350
Fixed-wing, multi-engine C and R Hospitality LLC
Burkeville, Texas
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N773PT Piper
PA-23-250
Fixed-wing, multi-engine Regent Trust CO Trustee
Wichita, Kansas
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N9657C Piper
PA-32-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2023-07-20 ValidFAA registration status code V: Valid registration. All codes
N2078B Piper
PA-32RT-300T
Fixed-wing, single engine D & P Jones Enterprises INC
Santa Cruz, California
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N475JD Cessna
T206H
Fixed-wing, single engine Kcc Construction LLC
Wichita, Kansas
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N54621 Piper
PA-23-250
Fixed-wing, multi-engine Atlantic Resources of Miami INC
Deland, Florida
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N7PQ Rockwell International
114
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N9382P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N90JP Aero Commander
500 S
Fixed-wing, multi-engine Aec Shrike LLC
Barrington, Illinois
Standard 2023-07-18 ValidFAA registration status code V: Valid registration. All codes
N7655F Piper
PA-32-300
Fixed-wing, single engine Shining Star Aviation LLC
Zephyr Cove, Nevada
Standard 2023-07-17 ValidFAA registration status code V: Valid registration. All codes
N916MC Cessna
T182T
Fixed-wing, single engine Individual owner
Kansas
Standard 2023-07-14 ValidFAA registration status code V: Valid registration. All codes
N1583X Piper
PA-32-300
Fixed-wing, single engine K&T Lawn & Landscape INC
Newport News, Virginia
Standard 2023-07-12 ValidFAA registration status code V: Valid registration. All codes
N44851 Piper
PA-32-300
Fixed-wing, single engine King Air INC
Naknek, Alaska
Standard 2023-07-12 ValidFAA registration status code V: Valid registration. All codes
N769LZ Piper
PA32-301XTC
Fixed-wing, single engine Montana 1204 LLC
Rock Valley, Iowa
Standard 2023-07-12 ValidFAA registration status code V: Valid registration. All codes
N321NC Piper
PA-23-250
Fixed-wing, multi-engine Arizona Air Salvage
Phoenix, Arizona
Standard 2023-07-11 ValidFAA registration status code V: Valid registration. All codes
N56GF Beech
56TC
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N1470B Piper
PA-31-325
Fixed-wing, multi-engine Co-owned owner
Idaho
Standard 2023-07-08 ValidFAA registration status code V: Valid registration. All codes
N16JC Aero Commander
500 S
Fixed-wing, multi-engine Rl Equipment and Services LLC
Monument, Colorado
Standard 2023-07-07 ValidFAA registration status code V: Valid registration. All codes
N6071Z Commander Aircraft Co
114TC
Fixed-wing, single engine Individual owner
Florida
Standard 2023-07-07 ValidFAA registration status code V: Valid registration. All codes
N19SC Cessna
T182T
Fixed-wing, single engine Sacred Heart Medical Group INC
Riverside, California
Standard 2023-07-04 ValidFAA registration status code V: Valid registration. All codes
N31847 Piper
PA-32RT-300T
Fixed-wing, single engine Nevada Air Partners LLC
Boulder City, Nevada
Standard 2023-07-04 ValidFAA registration status code V: Valid registration. All codes
N43276 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2023-07-04 ValidFAA registration status code V: Valid registration. All codes
N9188P Piper
PA-24-260
Fixed-wing, single engine Individual owner
South Carolina
Standard 2023-07-04 ValidFAA registration status code V: Valid registration. All codes
N8844P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Minnesota
Standard 2023-06-29 ValidFAA registration status code V: Valid registration. All codes
N46MY Piper
PA-31-350
Fixed-wing, multi-engine Beach Air LLC
Boynton Beach, Florida
Standard 2023-06-28 ValidFAA registration status code V: Valid registration. All codes
N503JA Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2023-06-28 ValidFAA registration status code V: Valid registration. All codes
N8987C Piper
PA-32R-300
Fixed-wing, single engine Double M Charters LLC
Lakeland, Florida
Standard 2023-06-28 ValidFAA registration status code V: Valid registration. All codes
N32037 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-06-27 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.