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.

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

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
N9110P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2017-01-20 ValidFAA registration status code V: Valid registration. All codes
N429HP Piper
PA-23-250
Fixed-wing, multi-engine John Allen Construction LLC
Big Sandy, Tennessee
Standard 2017-01-18 ValidFAA registration status code V: Valid registration. All codes
N33UP Cessna
320
Fixed-wing, multi-engine Aero Valley Properties LLC
Roanoke, Texas
Standard 2017-01-17 ValidFAA registration status code V: Valid registration. All codes
N92811 Piper
PA 46-350P
Fixed-wing, single engine Stephen Beazley Builders INC
Evans, Georgia
Standard 2017-01-13 ValidFAA registration status code V: Valid registration. All codes
N1140X Piper
PA-32-300
Fixed-wing, single engine Reaper LLC
Britton, Michigan
Standard 2017-01-11 ValidFAA registration status code V: Valid registration. All codes
N40HP Piper
PA 46-350P
Fixed-wing, single engine Rock Communications LLC
Rock Hill, South Carolina
Standard 2017-01-11 ValidFAA registration status code V: Valid registration. All codes
N2765V Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Texas
Standard 2017-01-09 ValidFAA registration status code V: Valid registration. All codes
N9380K Piper
PA-32R-300
Fixed-wing, single engine Resource and Management Group LTD
Cheyenne, Wyoming
Standard 2017-01-09 ValidFAA registration status code V: Valid registration. All codes
N33PR Piper
PA-32R-300
Fixed-wing, single engine Wings To Carolina LLC
State College, Pennsylvania
Standard 2017-01-05 ValidFAA registration status code V: Valid registration. All codes
N555MF Piper
PA-31-325
Fixed-wing, multi-engine Cloud 555 INC
Wilmington, Delaware
Standard 2017-01-05 ValidFAA registration status code V: Valid registration. All codes
N9150G Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2017-01-05 ValidFAA registration status code V: Valid registration. All codes
N4241R Piper
PA-32-300
Fixed-wing, single engine Fsi Aviation LLC
San Antonio, Texas
Standard 2017-01-04 ValidFAA registration status code V: Valid registration. All codes
N81436 Piper
PA-32R-301T
Fixed-wing, single engine P&C Construction INC
Chattanooga, Tennessee
Standard 2017-01-04 ValidFAA registration status code V: Valid registration. All codes
N9347P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2017-01-04 ValidFAA registration status code V: Valid registration. All codes
N720WD Piper
PA-32R-301T
Fixed-wing, single engine Thorntons Aircraft LLC
Tuscaloosa, Alabama
Standard 2017-01-03 ValidFAA registration status code V: Valid registration. All codes
N881DB Piper
PA 46-350P
Fixed-wing, single engine Jetprop Holdings LLC
Santa Fe, New Mexico
Standard 2016-12-30 ValidFAA registration status code V: Valid registration. All codes
N20KM Socata
TB21
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2016-12-23 ValidFAA registration status code V: Valid registration. All codes
N131TV Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2016-12-22 ValidFAA registration status code V: Valid registration. All codes
N8943N Piper
PA-32-300
Fixed-wing, single engine Chase-Six LLC
Orange Park, Florida
Standard 2016-12-22 ValidFAA registration status code V: Valid registration. All codes
N7234C Piper
PA-32R-300
Fixed-wing, single engine Confidential LLC
Lutz, Florida
Standard 2016-12-19 ValidFAA registration status code V: Valid registration. All codes
N102EA Piper
PA-32R-300
Fixed-wing, single engine Steves Atv Services INC
Oceano, California
Standard 2016-12-16 ValidFAA registration status code V: Valid registration. All codes
N9190P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2016-12-15 ValidFAA registration status code V: Valid registration. All codes
N103BU Piper
PA-31-350
Fixed-wing, multi-engine Colorado Aircraft CORP
Watkins, Colorado
Standard 2016-12-14 ValidFAA registration status code V: Valid registration. All codes
N8323S Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Georgia
Standard 2016-12-14 ValidFAA registration status code V: Valid registration. All codes
N4228R Piper
PA-32-300
Fixed-wing, single engine Withheld at owner's request
Standard 2016-12-13 ValidFAA registration status code V: Valid registration. All codes
N41101 Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2016-12-09 ValidFAA registration status code V: Valid registration. All codes
N7278C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Louisiana
Standard 2016-12-06 ValidFAA registration status code V: Valid registration. All codes
N914NC Cessna
T206H
Fixed-wing, single engine Carter Aviation LLC
Tucson, Arizona
Standard 2016-12-05 ValidFAA registration status code V: Valid registration. All codes
N269MP Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Connecticut
Standard 2016-11-30 ValidFAA registration status code V: Valid registration. All codes
N39707 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2016-11-30 ValidFAA registration status code V: Valid registration. All codes
N55679 Piper
PA-32-300
Fixed-wing, single engine Patriot Parachute Team INC
Blaine, Minnesota
Standard 2016-11-30 ValidFAA registration status code V: Valid registration. All codes
N6970Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Kentucky
Standard 2016-11-30 ValidFAA registration status code V: Valid registration. All codes
N76EH Piper
PA-32R-300
Fixed-wing, single engine Individual owner
New York
Standard 2016-11-30 ValidFAA registration status code V: Valid registration. All codes
N4296X Piper
PA-32-301T
Fixed-wing, single engine Wilco Consulting LLC
Elkhart Lake, Wisconsin
Standard 2016-11-29 ValidFAA registration status code V: Valid registration. All codes
N8396J Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2016-11-28 ValidFAA registration status code V: Valid registration. All codes
N24747 Cessna
T182T
Fixed-wing, single engine Peachey Farms LLC
Decatur, Iowa
Standard 2016-11-18 ValidFAA registration status code V: Valid registration. All codes
N54236 Piper
PA-23-250
Fixed-wing, multi-engine B & R Aircraft LLC
Wadsworth, Ohio
Standard 2016-11-18 ValidFAA registration status code V: Valid registration. All codes
N41676 Piper
PA 46-350P
Fixed-wing, single engine American Roadways LLC
Missoula, Montana
Standard 2016-11-16 ValidFAA registration status code V: Valid registration. All codes
N648T Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Texas
Standard 2016-11-15 ValidFAA registration status code V: Valid registration. All codes
N8910P Piper
PA-24-260
Fixed-wing, single engine Comanche LLC
Peachtree City, Georgia
Standard 2016-11-15 ValidFAA registration status code V: Valid registration. All codes
N69MK Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2016-11-14 ValidFAA registration status code V: Valid registration. All codes
N762JM Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Maryland
Standard 2016-11-09 ValidFAA registration status code V: Valid registration. All codes
N62992 Piper
PA-31-325
Fixed-wing, multi-engine Light & Variable LLC
Arlington, Virginia
Multiple 2016-11-07 ValidFAA registration status code V: Valid registration. All codes
N9100P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2016-11-07 ValidFAA registration status code V: Valid registration. All codes
N5986Y Piper
PA-23-250
Fixed-wing, multi-engine Blackhawk Holding CORP
Wilmington, Delaware
Standard 2016-11-04 ValidFAA registration status code V: Valid registration. All codes
N80DE Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Connecticut
Standard 2016-11-03 ValidFAA registration status code V: Valid registration. All codes
N198GM Piper
PA-32-300
Fixed-wing, single engine E B Marine LLC
Lantana, Florida
Standard 2016-11-01 ValidFAA registration status code V: Valid registration. All codes
N4101N Piper
PA-31-350
Fixed-wing, multi-engine Gateway of Sturgis LLC
Sturgis, Michigan
Standard 2016-11-01 ValidFAA registration status code V: Valid registration. All codes
N9189P Piper
PA-24-260
Fixed-wing, single engine Thom Transport LLC
Marlette, Michigan
Standard 2016-10-28 ValidFAA registration status code V: Valid registration. All codes
N199TC Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
New York
Standard 2016-10-26 ValidFAA registration status code V: Valid registration. All codes
N8455D Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Alaska
Standard 2016-10-25 ValidFAA registration status code V: Valid registration. All codes
N8828V Bellanca
17-31A
Fixed-wing, single engine Individual owner
Tennessee
Standard 2016-10-25 ValidFAA registration status code V: Valid registration. All codes
N2182K Cessna
T182T
Fixed-wing, single engine Dura Built LLC
Greensburg, Kentucky
Standard 2016-10-24 ValidFAA registration status code V: Valid registration. All codes
N5903N Rockwell International
114A
Fixed-wing, single engine Individual owner
Texas
Standard 2016-10-24 ValidFAA registration status code V: Valid registration. All codes
N4298R Piper
PA-32-300
Fixed-wing, single engine Av79 Aviation LLC
Dover, Ohio
Standard 2016-10-21 ValidFAA registration status code V: Valid registration. All codes
N3212E Mooney
M20M
Fixed-wing, single engine Individual owner
Maine
Standard 2016-10-20 ValidFAA registration status code V: Valid registration. All codes
N510KC Piper
PA 46-350P
Fixed-wing, single engine Procoff LLC
Shreveport, Louisiana
Standard 2016-10-19 ValidFAA registration status code V: Valid registration. All codes
N4184R Piper
PA-32-300
Fixed-wing, single engine B&S Air LLC
Palm City, Florida
Standard 2016-10-17 ValidFAA registration status code V: Valid registration. All codes
N65DM Piper
PA-23-250
Fixed-wing, multi-engine Corry Aviation LLC
Tequesta, Florida
Standard 2016-10-17 ValidFAA registration status code V: Valid registration. All codes
N3066U Piper
PA-32R-301T
Fixed-wing, single engine Ajh Aviation LLC
Monroe, Louisiana
Standard 2016-10-13 ValidFAA registration status code V: Valid registration. All codes
N7432L Piper
PA-31-310
Fixed-wing, multi-engine Standard Air LLC
West Linn, Oregon
Standard 2016-10-13 ValidFAA registration status code V: Valid registration. All codes
N9384P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2016-10-12 ValidFAA registration status code V: Valid registration. All codes
N746AJ Piper
PA-32-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2016-10-06 ValidFAA registration status code V: Valid registration. All codes
N27BR Piper
PA-24-260
Fixed-wing, single engine Individual owner
Illinois
Standard 2016-10-04 ValidFAA registration status code V: Valid registration. All codes
N36516 Piper
PA-32RT-300T
Fixed-wing, single engine Collum Aviation LLC
Milton, Florida
Standard 2016-10-04 ValidFAA registration status code V: Valid registration. All codes
N51GC Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2016-09-30 ValidFAA registration status code V: Valid registration. All codes
N325PA Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2016-09-29 ValidFAA registration status code V: Valid registration. All codes
N4019W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2016-09-29 ValidFAA registration status code V: Valid registration. All codes
N14746 Bellanca
17-31A
Fixed-wing, single engine Individual owner
New York
Standard 2016-09-26 ValidFAA registration status code V: Valid registration. All codes
N90977 Piper
PA-32R-301T
Fixed-wing, single engine Mouse Air LLC
Hilton Head Island, South Carolina
Standard 2016-09-26 ValidFAA registration status code V: Valid registration. All codes
N4141B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2016-09-23 ValidFAA registration status code V: Valid registration. All codes
N736X Piper
PA-32-300
Fixed-wing, single engine Psa LLC
Fort Myers, Florida
Standard 2016-09-22 ValidFAA registration status code V: Valid registration. All codes
N361WA Piper
PA-32R-301T
Fixed-wing, single engine 32 Poco LLC
Dover, Delaware
Standard 2016-09-20 ValidFAA registration status code V: Valid registration. All codes
N244R Piper
PA-23-250
Fixed-wing, multi-engine Weiser INC
Minburn, Iowa
Standard 2016-09-15 ValidFAA registration status code V: Valid registration. All codes
N31981 Piper
PA-32RT-300T
Fixed-wing, single engine Elusive Aviation INC
Pflugerville, Texas
Standard 2016-09-15 ValidFAA registration status code V: Valid registration. All codes
N8366P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Carolina
Standard 2016-09-15 ValidFAA registration status code V: Valid registration. All codes
N1553X Piper
PA-32R-300
Fixed-wing, single engine Great Divide Aircraft LLC
Louisville, Colorado
Standard 2016-09-14 ValidFAA registration status code V: Valid registration. All codes
N5868V Piper
PA-32R-300
Fixed-wing, single engine Siefken Arnold G
Jamestown, North Dakota
Standard 2016-09-13 ValidFAA registration status code V: Valid registration. All codes
N153LM Piper
PA-23-250
Fixed-wing, multi-engine Skylens LLC
Hammond, Louisiana
Standard 2016-09-12 ValidFAA registration status code V: Valid registration. All codes
N153WB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Montana
Standard 2016-09-08 ValidFAA registration status code V: Valid registration. All codes
N221AC Piper
PA-31-350
Fixed-wing, multi-engine Austen Air LLC
Lees Summit, Missouri
Standard 2016-09-07 ValidFAA registration status code V: Valid registration. All codes
N622K Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2016-09-07 ValidFAA registration status code V: Valid registration. All codes
N62498 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2016-09-01 ValidFAA registration status code V: Valid registration. All codes
N72DN Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2016-08-31 ValidFAA registration status code V: Valid registration. All codes
N5390F Piper
PA-32R-300
Fixed-wing, single engine Heights Flight Management LLC
Monroeville, New Jersey
Standard 2016-08-30 ValidFAA registration status code V: Valid registration. All codes
N600NJ Smith
AEROSTAR 600
Fixed-wing, multi-engine Kralta Enterprises LLC
Sioux Falls, South Dakota
Standard 2016-08-30 ValidFAA registration status code V: Valid registration. All codes
N618SM Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2016-08-25 ValidFAA registration status code V: Valid registration. All codes
N6460Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2016-08-24 ValidFAA registration status code V: Valid registration. All codes
N888WP Piper
PA-23-250
Fixed-wing, multi-engine Vantage Point Aviation LLC
Ormond Beach, Florida
Standard 2016-08-24 ValidFAA registration status code V: Valid registration. All codes
N101TK Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Illinois
Standard 2016-08-23 ValidFAA registration status code V: Valid registration. All codes
N120FW Piper
PA 46-350P
Fixed-wing, single engine Raabe Travel LLC Series 1
Whitehouse, Texas
Standard 2016-08-19 ValidFAA registration status code V: Valid registration. All codes
N105CH Piper
PA-23-250
Fixed-wing, multi-engine Mach Tuck LLC
Daytona Beach, Florida
Standard 2016-08-15 ValidFAA registration status code V: Valid registration. All codes
N1424N Piper
PA-24-260
Fixed-wing, single engine Ebonaster Enterprises LLC
Slidell, Louisiana
Standard 2016-08-15 ValidFAA registration status code V: Valid registration. All codes
N59JC Piper
PA-31-350
Fixed-wing, multi-engine Pegasus Air Charter LLC
Hartford, Connecticut
Standard 2016-08-12 ValidFAA registration status code V: Valid registration. All codes
N601TV Robinson Helicopter
R44
Helicopter Orlando Aircraft Sales LLC
Orlando, Florida
Standard 2016-08-08 ValidFAA registration status code V: Valid registration. All codes
N6179J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Colorado
Standard 2016-08-05 ValidFAA registration status code V: Valid registration. All codes
N828HJ Piper
PA-31-350
Fixed-wing, multi-engine Pegasus Air Charter LLC
Hartford, Connecticut
Standard 2016-08-03 ValidFAA registration status code V: Valid registration. All codes
N2680Q Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Minnesota
Standard 2016-07-25 ValidFAA registration status code V: Valid registration. All codes
N462TT Piper
PA-23-250
Fixed-wing, multi-engine Air Enterprises LLC
Dover, Delaware
Standard 2016-07-22 ValidFAA registration status code V: Valid registration. All codes
N8311N Piper
PA-32-301T
Fixed-wing, single engine Co-owned owner
Washington
Standard 2016-07-22 ValidFAA registration status code V: Valid registration. All codes
Previous Page 34 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.