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
N6312S Cessna
T182T
Fixed-wing, single engine Ladies Leasing LLC
Steamboat Springs, Colorado
Standard 2013-06-03 ValidFAA registration status code V: Valid registration. All codes
N57BH Rockwell International
114
Fixed-wing, single engine Individual owner
North Carolina
Standard 2013-05-24 ValidFAA registration status code V: Valid registration. All codes
N114RW Rockwell International
114
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2013-05-20 ValidFAA registration status code V: Valid registration. All codes
N312CD Piper
PA-31-350
Fixed-wing, multi-engine Mcwhorter Properties Graysville LLC
Anniston, Alabama
Standard 2013-05-10 ValidFAA registration status code V: Valid registration. All codes
N4306F Piper
PA-32R-300
Fixed-wing, single engine N4306F INC
Winter Haven, Florida
Standard 2013-05-10 ValidFAA registration status code V: Valid registration. All codes
N4895W Rockwell International
114
Fixed-wing, single engine Individual owner
New York
Standard 2013-05-08 ValidFAA registration status code V: Valid registration. All codes
N8658P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2013-05-08 ValidFAA registration status code V: Valid registration. All codes
N96JB Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
New Jersey
Standard 2013-05-08 ValidFAA registration status code V: Valid registration. All codes
N4137R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2013-05-07 ValidFAA registration status code V: Valid registration. All codes
N4101R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2013-04-18 ValidFAA registration status code V: Valid registration. All codes
N8127Z Piper
PA-32R-301T
Fixed-wing, single engine Crawford Oil CO INC
Hayti, Missouri
Standard 2013-04-17 ValidFAA registration status code V: Valid registration. All codes
N401SL Piper
PA-32RT-300T
Fixed-wing, single engine Catalina Air Harbor INC
Armuchee, Georgia
Standard 2013-04-12 ValidFAA registration status code V: Valid registration. All codes
N347DW Piper
PA 46-350P
Fixed-wing, single engine Snoopy Air LLC
Branch, Louisiana
Standard 2013-04-01 ValidFAA registration status code V: Valid registration. All codes
N2177J Mooney
M20M
Fixed-wing, single engine Plane Skies Aviation
Cedar, Minnesota
Standard 2013-03-29 ValidFAA registration status code V: Valid registration. All codes
N295MR Piper
PA-32R-301T
Fixed-wing, single engine Carrera Air LLC
Tampa, Florida
Standard 2013-03-29 ValidFAA registration status code V: Valid registration. All codes
N7967V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Anderson Cattle CO INC
Emporia, Kansas
Restricted 2013-03-29 ValidFAA registration status code V: Valid registration. All codes
N161MR Piper
PA-23-250
Fixed-wing, multi-engine Victor Aircraft CO
Wilmington, Delaware
Standard 2013-03-28 ValidFAA registration status code V: Valid registration. All codes
N20BW Piper
PA-32R-300
Fixed-wing, single engine N220Kw LLC
Moses Lake, Washington
Standard 2013-03-28 ValidFAA registration status code V: Valid registration. All codes
N123PV Piper
PA-23-250
Fixed-wing, multi-engine Sandlapper Aviation of de INC
Bennington, Vermont
Standard 2013-03-27 ValidFAA registration status code V: Valid registration. All codes
N151PA Cessna
T182T
Fixed-wing, single engine Intermountain Fabrication LLC
Jerome, Idaho
Standard 2013-03-15 ValidFAA registration status code V: Valid registration. All codes
N8558P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2013-03-14 ValidFAA registration status code V: Valid registration. All codes
N301PK Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2013-03-13 ValidFAA registration status code V: Valid registration. All codes
N52TC Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Minnesota
Standard 2013-03-13 ValidFAA registration status code V: Valid registration. All codes
N5977Y Piper
PA-23-250
Fixed-wing, multi-engine Red State LLC
Daytona Beach, Florida
Standard 2013-03-13 ValidFAA registration status code V: Valid registration. All codes
N321AS Smith
AEROSTAR 601P
Fixed-wing, multi-engine Airtravel LLC
Reno, Nevada
Standard 2013-03-06 ValidFAA registration status code V: Valid registration. All codes
N6017Y Piper
PA-23-250
Fixed-wing, multi-engine Tulsa Technology Center School District No 18
Tulsa, Oklahoma
Standard 2013-03-06 ValidFAA registration status code V: Valid registration. All codes
N411FM Mooney
M20M
Fixed-wing, single engine Go By Truck INC
Denton, Texas
Standard 2013-03-05 ValidFAA registration status code V: Valid registration. All codes
N64BM Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2013-03-05 ValidFAA registration status code V: Valid registration. All codes
N32728 Piper
PA-32-300
Fixed-wing, single engine Marianas Air Transfer INC
Tinian, Northern Mariana Islands
Standard 2013-03-01 ValidFAA registration status code V: Valid registration. All codes
N8463X Piper
PA-32R-301T
Fixed-wing, single engine Romper Stomper Air LLC
Fort Myers, Florida
Standard 2013-03-01 ValidFAA registration status code V: Valid registration. All codes
N9013P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2013-02-28 ValidFAA registration status code V: Valid registration. All codes
N8798V Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Nebraska
Standard 2013-02-27 ValidFAA registration status code V: Valid registration. All codes
N8118X Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
South Dakota
Standard 2013-02-22 ValidFAA registration status code V: Valid registration. All codes
N4134B Bellanca
17-31ATC
Fixed-wing, single engine Wildrose Aviation LLC
Victor, California
Standard 2013-02-11 ValidFAA registration status code V: Valid registration. All codes
N22136 Piper
PA-32RT-300T
Fixed-wing, single engine Zest Fest Corporation of Oregon
San Diego, California
Standard 2013-02-08 ValidFAA registration status code V: Valid registration. All codes
N9911L Piper
PA-24-260
Fixed-wing, single engine Individual owner
Montana
Standard 2013-02-06 ValidFAA registration status code V: Valid registration. All codes
N7952C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2013-02-05 ValidFAA registration status code V: Valid registration. All codes
N2093C Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2013-02-04 ValidFAA registration status code V: Valid registration. All codes
N51PG Piper
PA-32R-301T
Fixed-wing, single engine Fly N' Fish LLC
Jacksonville, Florida
Standard 2013-01-30 ValidFAA registration status code V: Valid registration. All codes
N607DM Cessna
T182T
Fixed-wing, single engine Adx LLC
Saint Marys, Kansas
Standard 2013-01-28 ValidFAA registration status code V: Valid registration. All codes
N8192Q Piper
PA-32-301T
Fixed-wing, single engine Sunshine Industries INC
Abingdon, Virginia
Standard 2013-01-25 ValidFAA registration status code V: Valid registration. All codes
N8585P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Maryland
Standard 2013-01-22 ValidFAA registration status code V: Valid registration. All codes
N777YU Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2013-01-17 ValidFAA registration status code V: Valid registration. All codes
N32CZ Piper
PA32-301XTC
Fixed-wing, single engine Elk Mountain Rentals INC
Waynesville, North Carolina
Standard 2013-01-14 ValidFAA registration status code V: Valid registration. All codes
N39464 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Colorado
Standard 2013-01-08 ValidFAA registration status code V: Valid registration. All codes
N785SA Cessna
T182T
Fixed-wing, single engine Individual owner
Oregon
Standard 2013-01-08 ValidFAA registration status code V: Valid registration. All codes
N87A Piper
PA-23-250
Fixed-wing, multi-engine Jdkracl Aircraft LLC
Gretna, Nebraska
Standard 2013-01-07 ValidFAA registration status code V: Valid registration. All codes
N8509C Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2013-01-04 ValidFAA registration status code V: Valid registration. All codes
N300RA Mooney
M20M
Fixed-wing, single engine Sharper Media LLC
Irvine, California
Standard 2013-01-03 ValidFAA registration status code V: Valid registration. All codes
N8760E Piper
PA-32R-300
Fixed-wing, single engine Archie Airways LLC
Durant, Oklahoma
Standard 2013-01-03 ValidFAA registration status code V: Valid registration. All codes
N70543 Piper
PA-31-325
Fixed-wing, multi-engine Tk Group Holdings LLC
Wilmington, Delaware
Standard 2013-01-02 ValidFAA registration status code V: Valid registration. All codes
N9161P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2012-12-26 ValidFAA registration status code V: Valid registration. All codes
N40698 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2012-12-14 ValidFAA registration status code V: Valid registration. All codes
N9762Q Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Delaware
Standard 2012-12-06 ValidFAA registration status code V: Valid registration. All codes
N46SE Piper
PA 46-350P
Fixed-wing, single engine Addie-Air INC
Bridgeport, Texas
Standard 2012-12-03 ValidFAA registration status code V: Valid registration. All codes
N245S Piper
PA 46-350P
Fixed-wing, single engine Sharpaire LLC
Wilmington, Delaware
Standard 2012-11-30 ValidFAA registration status code V: Valid registration. All codes
N9264P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2012-11-30 ValidFAA registration status code V: Valid registration. All codes
N4071R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nevada
Standard 2012-11-28 ValidFAA registration status code V: Valid registration. All codes
N408WB Piper
PA-32-300
Fixed-wing, single engine New England Airlines
Westerly, Rhode Island
Standard 2012-11-28 ValidFAA registration status code V: Valid registration. All codes
N4061R Piper
PA-32-300
Fixed-wing, single engine Horse Saddle Shop INC
Bremen, Indiana
Standard 2012-11-26 ValidFAA registration status code V: Valid registration. All codes
N60KS Piper
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2012-11-26 ValidFAA registration status code V: Valid registration. All codes
N892MM Piper
PA-31-325
Fixed-wing, multi-engine Wings of Dubuque LLC
Dubuque, Iowa
Standard 2012-11-26 ValidFAA registration status code V: Valid registration. All codes
N1594X Piper
PA-32R-300
Fixed-wing, single engine Piper Flyers LLC
Zionsville, Indiana
Standard 2012-11-21 ValidFAA registration status code V: Valid registration. All codes
N250TA Piper
PA-23-250
Fixed-wing, multi-engine Sunset Aviation LLC
Halifax, Pennsylvania
Standard 2012-11-21 ValidFAA registration status code V: Valid registration. All codes
N710SM Mooney
M20M
Fixed-wing, single engine Exclusive Aeronautics LLC
Las Vegas, Nevada
Standard 2012-11-20 ValidFAA registration status code V: Valid registration. All codes
N341BE Mooney
M20M
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2012-11-16 ValidFAA registration status code V: Valid registration. All codes
N40LW Piper
PA-23-250
Fixed-wing, multi-engine Morgan Aviation LLC
Oak Harbor, Washington
Standard 2012-11-16 ValidFAA registration status code V: Valid registration. All codes
N2269M Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2012-11-13 ValidFAA registration status code V: Valid registration. All codes
N4492 Cessna
A185F
Fixed-wing, single engine Triego INC
Dumas, Texas
Standard 2012-11-13 ValidFAA registration status code V: Valid registration. All codes
N20FZ Socata
TB21
Fixed-wing, single engine Individual owner
California
Standard 2012-11-09 ValidFAA registration status code V: Valid registration. All codes
N8212P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Texas
Standard 2012-11-08 ValidFAA registration status code V: Valid registration. All codes
N112HD Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Florida
Standard 2012-11-07 ValidFAA registration status code V: Valid registration. All codes
N36TP Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2012-11-05 ValidFAA registration status code V: Valid registration. All codes
N30DF Piper
PA-31-310
Fixed-wing, multi-engine Dae Aviation Enterprises CORP
Gilford, New Hampshire
Standard 2012-11-02 ValidFAA registration status code V: Valid registration. All codes
N175BS Piper
PA-32R-301T
Fixed-wing, single engine Two Three Aviation LP
Gatesville, Texas
Standard 2012-10-31 ValidFAA registration status code V: Valid registration. All codes
N789TB Socata
TB21
Fixed-wing, single engine Individual owner
Minnesota
Standard 2012-10-31 ValidFAA registration status code V: Valid registration. All codes
N131RL Piper
PA 46-350P
Fixed-wing, single engine Leads Air INC
Dover, Delaware
Standard 2012-10-29 ValidFAA registration status code V: Valid registration. All codes
N748NP Piper
PA-31-310
Fixed-wing, multi-engine Belle Island Management LLC
Fort Lauderdale, Florida
Standard 2012-10-26 ValidFAA registration status code V: Valid registration. All codes
N121T Mooney
M20M
Fixed-wing, single engine Delmarva Flight Leasing INC
East Moriches, New York
Standard 2012-10-22 ValidFAA registration status code V: Valid registration. All codes
N119GS Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2012-10-19 ValidFAA registration status code V: Valid registration. All codes
N70HH Piper
PA-31-350
Fixed-wing, multi-engine Amys Aircraft Services LLC
Bridgeton, Missouri
Standard 2012-10-09 ValidFAA registration status code V: Valid registration. All codes
N5353U Piper
PA-32R-301T
Fixed-wing, single engine Turbo Arrow Aviation LLC
Knoxville, Tennessee
Standard 2012-10-02 ValidFAA registration status code V: Valid registration. All codes
N66WM Piper
PA-32-300
Fixed-wing, single engine Triple R & B Aviation LLC
Miami Beach, Florida
Standard 2012-10-01 ValidFAA registration status code V: Valid registration. All codes
N4376V Piper
PA-28-236
Fixed-wing, single engine Letzig Farms INC
Richmond, Missouri
Standard 2012-09-28 ValidFAA registration status code V: Valid registration. All codes
N6952Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Alaska
Standard 2012-09-28 ValidFAA registration status code V: Valid registration. All codes
N4218U Cessna
T206H
Fixed-wing, single engine Jakks INC
Wilmington, Delaware
Standard 2012-09-27 ValidFAA registration status code V: Valid registration. All codes
N4289R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2012-09-27 ValidFAA registration status code V: Valid registration. All codes
N1535X Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2012-09-26 ValidFAA registration status code V: Valid registration. All codes
N617EC Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2012-09-07 ValidFAA registration status code V: Valid registration. All codes
N7735P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Tennessee
Standard 2012-09-06 ValidFAA registration status code V: Valid registration. All codes
N190AV Socata
TB21
Fixed-wing, single engine Individual owner
California
Standard 2012-08-29 ValidFAA registration status code V: Valid registration. All codes
N529PT Cessna
T182T
Fixed-wing, single engine Lt Express LLC
Carson City, Nevada
Standard 2012-08-29 ValidFAA registration status code V: Valid registration. All codes
N21AB Piper
PA-31-350
Fixed-wing, multi-engine Ariel J Quintela LLC
Odessa, Florida
Standard 2012-08-27 ValidFAA registration status code V: Valid registration. All codes
N14714 Bellanca
17-31ATC
Fixed-wing, single engine Poco Loco LLC
Mesa, Arizona
Standard 2012-08-22 ValidFAA registration status code V: Valid registration. All codes
N5341G Cessna
T182T
Fixed-wing, single engine Ryno Works INC
Mccall, Idaho
Standard 2012-08-20 ValidFAA registration status code V: Valid registration. All codes
N24WP Piper
PA-32R-300
Fixed-wing, single engine Xv Aviation LLC
Brown City, Michigan
Standard 2012-08-16 ValidFAA registration status code V: Valid registration. All codes
N62807 Piper
PA-23-250
Fixed-wing, multi-engine Neal Aircraft INC
Slaton, Texas
Standard 2012-08-14 ValidFAA registration status code V: Valid registration. All codes
N67ML Cessna
340
Fixed-wing, multi-engine Bgdr LLC
Wilmington, Delaware
Standard 2012-08-08 ValidFAA registration status code V: Valid registration. All codes
N8686N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2012-08-08 ValidFAA registration status code V: Valid registration. All codes
N13RZ Lake
LA-4-200
Fixed-wing, single engine Individual owner
Alaska
Standard 2012-08-07 ValidFAA registration status code V: Valid registration. All codes
Previous Page 39 of 51 Next

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.