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
N898DS Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Alabama
Standard 2021-11-18 ValidFAA registration status code V: Valid registration. All codes
N4110W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2021-11-13 ValidFAA registration status code V: Valid registration. All codes
N30SA Piper
PA-31-350
Fixed-wing, multi-engine Msm30Sa LLC
Jericho, New York
Standard 2021-11-10 ValidFAA registration status code V: Valid registration. All codes
N5391Y Piper
PA-23-250
Fixed-wing, multi-engine Heartland Aviation INC
Alliance, Nebraska
Standard 2021-11-06 ValidFAA registration status code V: Valid registration. All codes
N177CM Piper
PA-32RT-300T
Fixed-wing, single engine Rapid Cloud Aviation LLC
Waxhaw, North Carolina
Standard 2021-11-04 ValidFAA registration status code V: Valid registration. All codes
N3495Q Cessna
320E
Fixed-wing, multi-engine Individual owner
Indiana
Standard 2021-11-04 ValidFAA registration status code V: Valid registration. All codes
N4133W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2021-11-04 ValidFAA registration status code V: Valid registration. All codes
N6007V Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2021-11-04 ValidFAA registration status code V: Valid registration. All codes
N200M Helio
H-700
Fixed-wing, single engine Alliance Aircraft Group LLC
Denver, Colorado
Standard 2021-11-02 ValidFAA registration status code V: Valid registration. All codes
N273MJ Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Louisiana
Standard 2021-11-02 ValidFAA registration status code V: Valid registration. All codes
N872M Mooney
M20M
Fixed-wing, single engine N872M LLC
Batavia, Ohio
Standard 2021-11-02 ValidFAA registration status code V: Valid registration. All codes
N755TT Mooney
M20M
Fixed-wing, single engine Individual owner
New York
Standard 2021-10-29 ValidFAA registration status code V: Valid registration. All codes
N8768P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Idaho
Standard 2021-10-28 ValidFAA registration status code V: Valid registration. All codes
N997MA Piper
PA 46-350P
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2021-10-28 ValidFAA registration status code V: Valid registration. All codes
N519CA Rockwell International
114
Fixed-wing, single engine Sakitumi LLC
Wilmington, Delaware
Standard 2021-10-27 ValidFAA registration status code V: Valid registration. All codes
N28DF Piper
PA-31-325
Fixed-wing, multi-engine Global Avionics LLC
Downey, California
Standard 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N31FB Loffer Jesse
GLASAIR III
Fixed-wing, single engine Individual owner
Texas
Experimental 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N3227Q Piper
PA-32R-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N82KG Cessna
T182T
Fixed-wing, single engine Bch Real Estate LLC
Eagle, Idaho
Standard 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N9174N Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Texas
Standard 2021-10-26 ValidFAA registration status code V: Valid registration. All codes
N345MM Piper
PA 46-350P
Fixed-wing, single engine Marciaran LLC
Dover, Delaware
Standard 2021-10-25 ValidFAA registration status code V: Valid registration. All codes
N3028A Piper
PA-32RT-300T
Fixed-wing, single engine Juliet Sierra Foxtrot LLC
Denver City, Texas
Standard 2021-10-23 ValidFAA registration status code V: Valid registration. All codes
N761RB Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Kentucky
Standard 2021-10-21 ValidFAA registration status code V: Valid registration. All codes
N826DD Cessna
T182T
Fixed-wing, single engine Withheld at owner's request
Standard 2021-10-20 ValidFAA registration status code V: Valid registration. All codes
N16RH Found
CENTENNIAL 100
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-10-19 ValidFAA registration status code V: Valid registration. All codes
N766CF Piper
PA-31-350
Fixed-wing, multi-engine Airplane Five LLC
Miami, Florida
Standard 2021-10-19 ValidFAA registration status code V: Valid registration. All codes
N929RR Piper
PA 46-350P
Fixed-wing, single engine Panafax LLC
Wilmington, Delaware
Standard 2021-10-19 ValidFAA registration status code V: Valid registration. All codes
N4EP Rockwell International
700
Fixed-wing, multi-engine Pilots Landing Aviation LLC
Lampasas, Texas
Standard 2021-10-18 ValidFAA registration status code V: Valid registration. All codes
N1085S Mooney
M20M
Fixed-wing, single engine Individual owner
Idaho
Standard 2021-10-16 ValidFAA registration status code V: Valid registration. All codes
N918AS Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Connecticut
Standard 2021-10-16 ValidFAA registration status code V: Valid registration. All codes
N479CB Piper
AEROSTAR 601P
Fixed-wing, multi-engine Island Air LLC
Dover, Delaware
Standard 2021-10-14 ValidFAA registration status code V: Valid registration. All codes
N54313 Piper
PA-31-350
Fixed-wing, multi-engine 3Seaslal LLC
Lakeland, Florida
Standard 2021-10-06 ValidFAA registration status code V: Valid registration. All codes
N4092W Piper
PA-32-300
Fixed-wing, single engine M & M Aircraft LLC
Lewis Center, Ohio
Standard 2021-10-05 ValidFAA registration status code V: Valid registration. All codes
N772DL Piper
PA-31-350
Fixed-wing, multi-engine Clik Services LLC
Forestdale, Massachusetts
Standard 2021-10-05 ValidFAA registration status code V: Valid registration. All codes
N941T Cessna
T182T
Fixed-wing, single engine Landings At Quonset Airport LLC
Exeter, Rhode Island
Standard 2021-10-04 ValidFAA registration status code V: Valid registration. All codes
N555RU Piper
PA-32R-301T
Fixed-wing, single engine Hands Holding
Newark, Delaware
Standard 2021-10-01 ValidFAA registration status code V: Valid registration. All codes
N905DS Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2021-10-01 ValidFAA registration status code V: Valid registration. All codes
N959TT Cessna
T182T
Fixed-wing, single engine Van Bortel Aircraft INC
Arlington, Texas
Standard 2021-10-01 ValidFAA registration status code V: Valid registration. All codes
N1834U Cessna
T206H
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-09-30 ValidFAA registration status code V: Valid registration. All codes
N4897W Rockwell International
114
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-09-30 ValidFAA registration status code V: Valid registration. All codes
N7262A Cessna
206H
Fixed-wing, single engine Cf Aviation Trust LLC Trustee
Wilmington, Delaware
Standard 2021-09-29 ValidFAA registration status code V: Valid registration. All codes
N222SN Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Tennessee
Standard 2021-09-28 ValidFAA registration status code V: Valid registration. All codes
N611DG Mooney
M20M
Fixed-wing, single engine Individual owner
Louisiana
Standard 2021-09-28 ValidFAA registration status code V: Valid registration. All codes
N56613 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2021-09-27 ValidFAA registration status code V: Valid registration. All codes
N38205 Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2021-09-24 ValidFAA registration status code V: Valid registration. All codes
N2VK Smith
AEROSTAR 601P
Fixed-wing, multi-engine Wings & Rotors LLC
Wilmington, Delaware
Standard 2021-09-21 ValidFAA registration status code V: Valid registration. All codes
N4299X Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-09-20 ValidFAA registration status code V: Valid registration. All codes
N3530B Piper
PA-31-310
Fixed-wing, multi-engine Global Avionics LLC
Downey, California
Standard 2021-09-17 ValidFAA registration status code V: Valid registration. All codes
N59GY Piper
PA-31-350
Fixed-wing, multi-engine Chieftain N59Gy LLC
Saint Augustine, Florida
Standard 2021-09-17 ValidFAA registration status code V: Valid registration. All codes
N2165K Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N250BT Piper
PA 46-350P
Fixed-wing, single engine Heart Gate Enterprises LLC
Pittsburgh, Pennsylvania
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N66AE Piper
PA-31-350
Fixed-wing, multi-engine Andreassi LLC
Bluffton, South Carolina
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N9480P Piper
PA-24-260
Fixed-wing, single engine Jmo LLC
Ridgeland, Mississippi
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N600AG Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Florida
Standard 2021-09-15 ValidFAA registration status code V: Valid registration. All codes
N6865Y Piper
PA-23-250
Fixed-wing, multi-engine Delaware Aircraft Trust LLC Trustee
New Castle, Delaware
Standard 2021-09-15 ValidFAA registration status code V: Valid registration. All codes
N111PK Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2021-09-14 ValidFAA registration status code V: Valid registration. All codes
N318S Bellanca
17-31A
Fixed-wing, single engine Individual owner
Mississippi
Standard 2021-09-14 ValidFAA registration status code V: Valid registration. All codes
N8028P Piper
PA-24-250
Fixed-wing, single engine Individual owner
South Carolina
Standard 2021-09-11 ValidFAA registration status code V: Valid registration. All codes
N9193R Piper
PA 46-350P
Fixed-wing, single engine Los Compadres Ranch
Premont, Texas
Standard 2021-09-11 ValidFAA registration status code V: Valid registration. All codes
N171G Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N5179C Piper
PA-31-310
Fixed-wing, multi-engine Personal Air Transportation INC
Wilmington, Delaware
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N5327U Cessna
T182T
Fixed-wing, single engine Ja Williams Investments LLC
Austin, Texas
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N2115B Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2021-09-08 ValidFAA registration status code V: Valid registration. All codes
N243PS Piper
PA-32R-301T
Fixed-wing, single engine N9089 LLC
Lewes, Delaware
Standard 2021-09-08 ValidFAA registration status code V: Valid registration. All codes
N35261 Cessna
T182T
Fixed-wing, single engine Walrath Aviation LLC
Tacoma, Washington
Standard 2021-09-08 ValidFAA registration status code V: Valid registration. All codes
N9407P Piper
PA-24-260
Fixed-wing, single engine Hoefle Aviation INC
Wilmington, Delaware
Standard 2021-09-08 ValidFAA registration status code V: Valid registration. All codes
N55957 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Connecticut
Standard 2021-09-03 ValidFAA registration status code V: Valid registration. All codes
N1636P Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
California
Standard 2021-09-02 ValidFAA registration status code V: Valid registration. All codes
N8559P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2021-08-31 ValidFAA registration status code V: Valid registration. All codes
N3556Z Cessna
T182T
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2021-08-30 ValidFAA registration status code V: Valid registration. All codes
N6125Y Piper
PA-23-250
Fixed-wing, multi-engine Delaware Aircraft Trust LLC Trustee
New Castle, Delaware
Standard 2021-08-30 ValidFAA registration status code V: Valid registration. All codes
N6164X Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2021-08-30 ValidFAA registration status code V: Valid registration. All codes
N98JF Piper
PA-32R-301T
Fixed-wing, single engine Yls Aviation LLC
Bozeman, Montana
Standard 2021-08-30 ValidFAA registration status code V: Valid registration. All codes
N30406 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Florida
Standard 2021-08-28 ValidFAA registration status code V: Valid registration. All codes
N397PM Piper
PA 46-350P
Fixed-wing, single engine Aircraft 445 LLC
Porterville, California
Standard 2021-08-28 ValidFAA registration status code V: Valid registration. All codes
N69PT Aero Commander
500-B
Fixed-wing, multi-engine Aerofix Structural Service LLC
Horn Lake, Mississippi
Standard 2021-08-26 ValidFAA registration status code V: Valid registration. All codes
N4102W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Idaho
Standard 2021-08-25 ValidFAA registration status code V: Valid registration. All codes
N8220W Piper
PA-32R-301T
Fixed-wing, single engine Sb Farms LLC
Bowling Green, Ohio
Standard 2021-08-24 ValidFAA registration status code V: Valid registration. All codes
N4563F Piper
PA-32R-300
Fixed-wing, single engine Ocean City Flying Club INC
Newport, Rhode Island
Standard 2021-08-23 ValidFAA registration status code V: Valid registration. All codes
N20928 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Kentucky
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N57WB Piper
PA-32R-301T
Fixed-wing, single engine Big Red Spring LLC
Fernandina Beach, Florida
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N8185W Piper
PA-32-301T
Fixed-wing, single engine Alaska Media LLC
Anchorage, Alaska
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N2213N Mooney
M20M
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2021-08-20 ValidFAA registration status code V: Valid registration. All codes
N228G Socata
TB21
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-08-20 ValidFAA registration status code V: Valid registration. All codes
N9248P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Maryland
Standard 2021-08-20 ValidFAA registration status code V: Valid registration. All codes
N777XT Wright Dan
NXT
Fixed-wing, single engine Individual owner
California
Experimental 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N8684P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N999TC Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N4090B Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
California
Standard 2021-08-18 ValidFAA registration status code V: Valid registration. All codes
N9177 Aero Commander
500 S
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N991WT Cessna
T182T
Fixed-wing, single engine American Crane Rental INC
Escalon, California
Standard 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N38334 Piper
PA-32R-300
Fixed-wing, single engine Gsm Air LLC
Old Tappan, New Jersey
Standard 2021-08-16 ValidFAA registration status code V: Valid registration. All codes
N5382F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2021-08-16 ValidFAA registration status code V: Valid registration. All codes
N78JT Piper
PA-23-250
Fixed-wing, multi-engine 71793 LLC
San Luis Obispo, California
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N8268V Piper
PA-32-301T
Fixed-wing, single engine Mcs INC
Loveland, Colorado
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N8582P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Iowa
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N9008P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-08-13 ValidFAA registration status code V: Valid registration. All codes
N3539U Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Maryland
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N884CC Piper
PA-32R-301T
Fixed-wing, single engine
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N9238P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
Previous Page 22 of 51 Next

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.