The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 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.

When the aircraft were built by decade

By decade built, as a table
aircraft
19402
19507
19601,030
19701,712
1980483
1990461
2000827
201010
20204

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
Failure reports by year, as a table
reports
951
974
983
0011
0156
0252
0346
0432
0537
0623
0715
0816
0912
1014
119
1211
132
145
153
173
181
194
211
241
251

Parts most often reported as the reports name them

Bolt15Pump10Cylinder8Regulator8Skin8Tube8Spar7Wheel7Bearing6Brace6
Parts most reported, as a table
reports
Bolt15
Pump10
Cylinder8
Regulator8
Skin8
Tube8
Spar7
Wheel7
Bearing6
Brace6

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

The whole map of how records connect · these connections as data: /graph/engine/lycoming-tio-540-series.json.

Aircraft newest certificates first · 5,079

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N358EL Gavilan
EL-1
Fixed-wing, single engine Cub Crafters INC
Yakima, Washington
Experimental 2012-08-06 ValidFAA registration status code V: Valid registration. All codes
N867MM Cessna
T182T
Fixed-wing, single engine Menzel Electric INC
Mingo Junction, Ohio
Standard 2012-08-06 ValidFAA registration status code V: Valid registration. All codes
N4172T Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Utah
Standard 2012-08-01 ValidFAA registration status code V: Valid registration. All codes
N85Q Cessna
A185F
Fixed-wing, single engine Amiculum LLC
Black Eagle, Montana
Experimental 2012-07-30 ValidFAA registration status code V: Valid registration. All codes
N9507P Piper
PA-24-260
Fixed-wing, single engine W K Aviation LLC
Buffalo, South Dakota
Standard 2012-07-27 ValidFAA registration status code V: Valid registration. All codes
N3044K Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2012-07-26 ValidFAA registration status code V: Valid registration. All codes
N5349M Piper
PA-32R-301T
Fixed-wing, single engine Whiskey Bravo LLC
Clarksville, Tennessee
Standard 2012-07-23 ValidFAA registration status code V: Valid registration. All codes
N7268Z Cessna
T206H
Fixed-wing, single engine Westwind Aviation INC
Phoenix, Arizona
Standard 2012-07-23 ValidFAA registration status code V: Valid registration. All codes
N602DD Cessna
T206H
Fixed-wing, single engine Silver Creek Aviation Services
Fort Worth, Texas
Standard 2012-07-19 ValidFAA registration status code V: Valid registration. All codes
N795DH Cessna
T206H
Fixed-wing, single engine Silver Creek Aviation Services
Fort Worth, Texas
Standard 2012-07-19 ValidFAA registration status code V: Valid registration. All codes
N54092 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
California
Standard 2012-07-18 ValidFAA registration status code V: Valid registration. All codes
N92JW Beech
A36
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2012-07-18 ValidFAA registration status code V: Valid registration. All codes
N7951C Piper
PA-32R-300
Fixed-wing, single engine Jaybec CORP
Pinecrest, Florida
Standard 2012-07-16 ValidFAA registration status code V: Valid registration. All codes
N555JG Piper
PA-31-325
Fixed-wing, multi-engine Leia Air LLC
Wilmington, Delaware
Standard 2012-07-13 ValidFAA registration status code V: Valid registration. All codes
N99MT Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2012-07-12 ValidFAA registration status code V: Valid registration. All codes
N9263P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Ohio
Standard 2012-07-11 ValidFAA registration status code V: Valid registration. All codes
N14036 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2012-07-02 ValidFAA registration status code V: Valid registration. All codes
N6168H Piper
PA-32R-300
Fixed-wing, single engine Wayne Air LLC
Collinwood, Tennessee
Standard 2012-06-25 ValidFAA registration status code V: Valid registration. All codes
N6416Y Piper
PA-23-250
Fixed-wing, multi-engine Mcm Aviation LLC
Estero, Florida
Standard 2012-06-18 ValidFAA registration status code V: Valid registration. All codes
N44328 Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2012-06-15 ValidFAA registration status code V: Valid registration. All codes
N529EC Piper
PA-32R-300
Fixed-wing, single engine Alpha Tango LLC
Little River, South Carolina
Standard 2012-06-15 ValidFAA registration status code V: Valid registration. All codes
N1099J Piper
PA-32-300
Fixed-wing, single engine Lee'S Sea Air INC
Kiana, Alaska
Standard 2012-06-11 ValidFAA registration status code V: Valid registration. All codes
N59867 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2012-06-08 ValidFAA registration status code V: Valid registration. All codes
N2170W Cessna
T182T
Fixed-wing, single engine Co-owned owner
California
Standard 2012-05-31 ValidFAA registration status code V: Valid registration. All codes
N7774V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Marshall Soaring Club INC
Marshall, Michigan
Restricted 2012-05-25 ValidFAA registration status code V: Valid registration. All codes
N9222P Piper
PA-24-260
Fixed-wing, single engine Aztec Remains LLC
Potosi, Wisconsin
Standard 2012-05-25 ValidFAA registration status code V: Valid registration. All codes
N13ES Piper
PA-31-325
Fixed-wing, multi-engine Csl Holdings LLC
Drayton, North Dakota
Standard 2012-05-24 ValidFAA registration status code V: Valid registration. All codes
N2156E Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2012-05-23 ValidFAA registration status code V: Valid registration. All codes
N8255R Bellanca
17-31A
Fixed-wing, single engine Two River Airspray LLC
Cavalier, North Dakota
Standard 2012-05-18 ValidFAA registration status code V: Valid registration. All codes
N8023P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2012-05-16 ValidFAA registration status code V: Valid registration. All codes
N612X Cessna
T182T
Fixed-wing, single engine Mexico Medical Missions
Missouri City, Texas
Standard 2012-05-04 ValidFAA registration status code V: Valid registration. All codes
N206DW Cessna
T206H
Fixed-wing, single engine Alaskan Start Aviation LLC
Midland, Texas
Standard 2012-05-03 ValidFAA registration status code V: Valid registration. All codes
N2461F Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2012-05-03 ValidFAA registration status code V: Valid registration. All codes
N424BH Piper
PA-32R-300
Fixed-wing, single engine Touchdown Arkansas LLC
Batesville, Arkansas
Standard 2012-05-02 ValidFAA registration status code V: Valid registration. All codes
N6261R Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2012-05-01 ValidFAA registration status code V: Valid registration. All codes
N4056W Piper
PA-32-300
Fixed-wing, single engine Highwing Flyers INC
Cape May Ch, New Jersey
Standard 2012-04-24 ValidFAA registration status code V: Valid registration. All codes
N697WH Piper
PA-31-350
Fixed-wing, multi-engine Agri Enterprises LLC
Hopkinsville, Kentucky
Standard 2012-04-19 ValidFAA registration status code V: Valid registration. All codes
N54870 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New York
Standard 2012-04-18 ValidFAA registration status code V: Valid registration. All codes
N628GV Cessna
T206H
Fixed-wing, single engine Co-owned owner
California
Standard 2012-04-17 ValidFAA registration status code V: Valid registration. All codes
N9156Z Mooney
M20M
Fixed-wing, single engine Individual owner
Nebraska
Standard 2012-04-11 ValidFAA registration status code V: Valid registration. All codes
N4498F Piper
PA-32R-300
Fixed-wing, single engine Sapit CORP
Los Banos, California
Standard 2012-04-06 ValidFAA registration status code V: Valid registration. All codes
N116GW Piper
PA-31-310
Fixed-wing, multi-engine Majestic Airlines INC DBA
Lynden, Washington
Standard 2012-04-03 ValidFAA registration status code V: Valid registration. All codes
N13980 Piper
PA-23-250
Fixed-wing, multi-engine Aileron Buzz LLC
Daytona Beach, Florida
Standard 2012-03-28 ValidFAA registration status code V: Valid registration. All codes
N63BT Piper
PA-32R-300
Fixed-wing, single engine Silverback Solutions LLC
Amlin, Ohio
Standard 2012-03-27 ValidFAA registration status code V: Valid registration. All codes
N27701 Piper
PA-31-325
Fixed-wing, multi-engine Secure Aviation INC
Tequesta, Florida
Standard 2012-03-26 ValidFAA registration status code V: Valid registration. All codes
N42WP Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2012-03-20 ValidFAA registration status code V: Valid registration. All codes
N4434D Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2012-03-20 ValidFAA registration status code V: Valid registration. All codes
N62697 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2012-03-20 ValidFAA registration status code V: Valid registration. All codes
N27755 Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2012-03-19 ValidFAA registration status code V: Valid registration. All codes
N8550P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2012-03-15 ValidFAA registration status code V: Valid registration. All codes
N2099Y Cessna
T206H
Fixed-wing, single engine Thompson and Harvey Holdings LLC
Orcutt, California
Standard 2012-03-13 ValidFAA registration status code V: Valid registration. All codes
N521EE Piper
PA-23-250
Fixed-wing, multi-engine Mhg Leasing LLC
Edgewood, Kentucky
Standard 2012-03-05 ValidFAA registration status code V: Valid registration. All codes
N2241B Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Texas
Standard 2012-03-02 ValidFAA registration status code V: Valid registration. All codes
N234CE Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2012-03-02 ValidFAA registration status code V: Valid registration. All codes
N176VT Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N236CM Mooney
M20M
Fixed-wing, single engine Individual owner
Alaska
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N4115V Piper
PA-31-325
Fixed-wing, multi-engine Ltf Air LLC
Nashua, New Hampshire
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N4270R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N461MB Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
North Dakota
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N8587T Piper
PA-32-300
Fixed-wing, single engine Jet Winds LLC
Gulf Shores, Alabama
Standard 2012-02-16 ValidFAA registration status code V: Valid registration. All codes
N2268B Cessna
T206H
Fixed-wing, single engine Nitro Aviation LLC
Englewood, Colorado
Standard 2012-02-09 ValidFAA registration status code V: Valid registration. All codes
N482CG Cessna
T182T
Fixed-wing, single engine Kilo Sierra Enterprises LLC
Lafayette, Colorado
Standard 2012-02-08 ValidFAA registration status code V: Valid registration. All codes
N529RK Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine Rhk of Kansas INC
Jefferson City, Missouri
Standard 2012-02-07 ValidFAA registration status code V: Valid registration. All codes
N9372P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2012-02-07 ValidFAA registration status code V: Valid registration. All codes
N989AS Piper
PA-32-300
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-01-31 ValidFAA registration status code V: Valid registration. All codes
N880SC Piper
PA-32R-301T
Fixed-wing, single engine Kc Hawgs INC
Wilmington, Delaware
Standard 2012-01-27 ValidFAA registration status code V: Valid registration. All codes
N911SA Piper
PA-32-300
Fixed-wing, single engine Intensive Medical INC
Clermont, Florida
Standard 2012-01-21 ValidFAA registration status code V: Valid registration. All codes
N726TB Socata
TB21
Fixed-wing, single engine Individual owner
Montana
Standard 2012-01-20 ValidFAA registration status code V: Valid registration. All codes
N82654 Piper
PA-32-301T
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2012-01-20 ValidFAA registration status code V: Valid registration. All codes
N90SE Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
California
Standard 2012-01-20 ValidFAA registration status code V: Valid registration. All codes
N27418 Piper
PA-31-350
Fixed-wing, multi-engine Sun Aircraft Management LLC
Ormond Beach, Florida
Standard 2012-01-19 ValidFAA registration status code V: Valid registration. All codes
N924TF Mooney
M20M
Fixed-wing, single engine Withheld at owner's request
Standard 2012-01-10 ValidFAA registration status code V: Valid registration. All codes
N6114X Aero Commander
500-B
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2012-01-09 ValidFAA registration status code V: Valid registration. All codes
N9398P Piper
PA-24-260
Fixed-wing, single engine S & T Aviation LLC
Meriden, Iowa
Standard 2012-01-09 ValidFAA registration status code V: Valid registration. All codes
N72634 Cessna
T206H
Fixed-wing, single engine Rnd Technologies LLC
Lancaster, California
Standard 2011-12-27 ValidFAA registration status code V: Valid registration. All codes
N3234L Piper
PA-23-250
Fixed-wing, multi-engine Tarrant County College
Fort Worth, Texas
Standard 2011-12-22 ValidFAA registration status code V: Valid registration. All codes
N6106X Aero Commander
500-B
Fixed-wing, multi-engine Air Margarita INC
San Juan, Puerto Rico
Standard 2011-12-20 ValidFAA registration status code V: Valid registration. All codes
N555FS Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2011-12-12 ValidFAA registration status code V: Valid registration. All codes
N8936P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Ohio
Standard 2011-12-07 ValidFAA registration status code V: Valid registration. All codes
N21356 Piper
PA-32RT-300T
Fixed-wing, single engine Elite Financial Management INC
Dallas, Texas
Standard 2011-11-30 ValidFAA registration status code V: Valid registration. All codes
N97CX Piper
PA 46-350P
Fixed-wing, single engine Gold Aero Aviation LLC
Tampa, Florida
Standard 2011-11-22 ValidFAA registration status code V: Valid registration. All codes
N9318P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2011-11-21 ValidFAA registration status code V: Valid registration. All codes
N33155 Piper
PA-32-300
Fixed-wing, single engine Don George LLC
Orlando, Florida
Standard 2011-11-17 ValidFAA registration status code V: Valid registration. All codes
N2220E Piper
PA-32RT-300T
Fixed-wing, single engine Berry Islands LLC
Holly Hill, Florida
Standard 2011-11-16 ValidFAA registration status code V: Valid registration. All codes
N32934 Piper
PA-32-300
Fixed-wing, single engine Robert Craig LLC
Wilmington, Delaware
Standard 2011-11-16 ValidFAA registration status code V: Valid registration. All codes
N56866 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Florida
Standard 2011-11-15 ValidFAA registration status code V: Valid registration. All codes
N330AJ Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2011-11-09 ValidFAA registration status code V: Valid registration. All codes
N665B Cessna
T182T
Fixed-wing, single engine Crosby Aviation LLC
Bend, Oregon
Standard 2011-11-07 ValidFAA registration status code V: Valid registration. All codes
N3099L Piper
PA32-301XTC
Fixed-wing, single engine Jsn Aviation LLC
Ocala, Florida
Standard 2011-11-03 ValidFAA registration status code V: Valid registration. All codes
N2389L Cessna
T206H
Fixed-wing, single engine Cjw Holdings LLC
Stamping Ground, Kentucky
Standard 2011-11-01 ValidFAA registration status code V: Valid registration. All codes
N68D Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
California
Standard 2011-10-25 ValidFAA registration status code V: Valid registration. All codes
N33WB Piper
PA-32RT-300T
Fixed-wing, single engine Sycamore Aviation Services LLC
Terre Haute, Indiana
Standard 2011-10-21 ValidFAA registration status code V: Valid registration. All codes
N159DM Socata
TB21
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2011-10-18 ValidFAA registration status code V: Valid registration. All codes
N382HP New Piper Aircraft Inc
PA-32R-301T
Fixed-wing, single engine 382 Hp LLC
Pt Pleasant Beach, New Jersey
Standard 2011-10-17 ValidFAA registration status code V: Valid registration. All codes
N5688Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Virginia
Standard 2011-10-12 ValidFAA registration status code V: Valid registration. All codes
N1089G Mooney
M20M
Fixed-wing, single engine Mooney Technical Services LLC
Norfolk, Virginia
Standard 2011-10-05 ValidFAA registration status code V: Valid registration. All codes
N9257N Piper
PA 46-350P
Fixed-wing, single engine John Bowman INC
Fountain, Colorado
Standard 2011-09-30 ValidFAA registration status code V: Valid registration. All codes
N705TB Socata
TB21
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-09-28 ValidFAA registration status code V: Valid registration. All codes
N56MH Piper
PA-31-350
Fixed-wing, multi-engine B S Aviation LLC
Stuart, Florida
Standard 2011-09-22 ValidFAA registration status code V: Valid registration. All codes
N8603P Piper
PA-24-260
Fixed-wing, single engine Comanche Flyers LLC
Jefferson Township, Pennsylvania
Standard 2011-09-21 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 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.