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
N178M Piper
PA-23-250
Fixed-wing, multi-engine South Texas Weather Modification Association
Pleasanton, Texas
Multiple 2008-10-02 ValidFAA registration status code V: Valid registration. All codes
N40566 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2008-09-19 ValidFAA registration status code V: Valid registration. All codes
N821RR Britten-Norman
BN-2A-9
Fixed-wing, multi-engine Air Charter INC DBA
Culebra, Puerto Rico
Standard 2008-09-18 ValidFAA registration status code V: Valid registration. All codes
N26L Piper
PA-32-300
Fixed-wing, single engine S J D H LLC
Sewickley, Pennsylvania
Standard 2008-09-17 ValidFAA registration status code V: Valid registration. All codes
N242TC Cessna
T206H
Fixed-wing, single engine 182 Flight CORP
Bronx, New York
Standard 2008-09-05 ValidFAA registration status code V: Valid registration. All codes
N8548Z Aerofab Inc
LAKE 250
Fixed-wing, single engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2008-09-04 ValidFAA registration status code V: Valid registration. All codes
N68JT Socata
TB21
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2008-08-26 ValidFAA registration status code V: Valid registration. All codes
N9142F Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2008-08-25 ValidFAA registration status code V: Valid registration. All codes
N5276Y Cessna
T182T
Fixed-wing, single engine Padlock Ranch CO
Ranchester, Wyoming
Standard 2008-08-21 ValidFAA registration status code V: Valid registration. All codes
N42CX Piper
PA-32-300
Fixed-wing, single engine Silver Hawks LTD
Columbus, Ohio
Standard 2008-08-12 ValidFAA registration status code V: Valid registration. All codes
N610MA Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2008-08-12 ValidFAA registration status code V: Valid registration. All codes
N590DR Aero Commander
500 S
Fixed-wing, multi-engine Individual owner
U.S. Virgin Islands
Standard 2008-08-06 ValidFAA registration status code V: Valid registration. All codes
N9086P Piper
PA-24-260
Fixed-wing, single engine Rick Crum Aircraft Sales INC
Prestonsburg, Kentucky
Standard 2008-07-16 ValidFAA registration status code V: Valid registration. All codes
N5920Y Piper
PA-23-250
Fixed-wing, multi-engine Advanced Mosquito Control & Technology INC
Boyle, Mississippi
Standard 2008-07-14 ValidFAA registration status code V: Valid registration. All codes
N376ME Cessna
T206H
Fixed-wing, single engine Spirit Air INC
Salmon, Idaho
Standard 2008-07-11 ValidFAA registration status code V: Valid registration. All codes
N8661P Piper
PA-24-260
Fixed-wing, single engine East Texas Turbines INC
Tyler, Texas
Standard 2008-07-07 ValidFAA registration status code V: Valid registration. All codes
N221GS Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2008-07-03 ValidFAA registration status code V: Valid registration. All codes
N8222P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2008-07-02 ValidFAA registration status code V: Valid registration. All codes
N9443P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2008-07-01 ValidFAA registration status code V: Valid registration. All codes
N8332P Piper
PA-24-250
Fixed-wing, single engine Individual owner
South Carolina
Standard 2008-06-11 ValidFAA registration status code V: Valid registration. All codes
N43977 Piper
PA-32R-300
Fixed-wing, single engine Air Kraft Spraying INC
Timber Lake, South Dakota
Standard 2008-06-05 ValidFAA registration status code V: Valid registration. All codes
N661ML Piper
PA 46-350P
Fixed-wing, single engine Dap Aviation LLC
Baton Rouge, Louisiana
Standard 2008-05-30 ValidFAA registration status code V: Valid registration. All codes
N444CB Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 2008-05-19 ValidFAA registration status code V: Valid registration. All codes
N4371T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alabama
Standard 2008-05-13 ValidFAA registration status code V: Valid registration. All codes
N242KF Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2008-05-08 ValidFAA registration status code V: Valid registration. All codes
N54072 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2008-05-06 ValidFAA registration status code V: Valid registration. All codes
N39489 Piper
PA-32RT-300T
Fixed-wing, single engine Dlr Rentals LLC
Elkhart, Indiana
Standard 2008-05-05 ValidFAA registration status code V: Valid registration. All codes
N601BB Smith
AEROSTAR 601P
Fixed-wing, multi-engine King Aviation Services LLC
Marietta, Ohio
Standard 2008-05-01 ValidFAA registration status code V: Valid registration. All codes
N8756P Piper
PA-24-260
Fixed-wing, single engine K T Graham INC
Ephrata, Pennsylvania
Standard 2008-03-25 ValidFAA registration status code V: Valid registration. All codes
N526VR Aero Commander
500-B
Fixed-wing, multi-engine R V Aviation LLC
Thatcher, Arizona
Standard 2008-03-20 ValidFAA registration status code V: Valid registration. All codes
N17RA Mooney
M20M
Fixed-wing, single engine Co-owned owner
Florida
Standard 2008-02-19 ValidFAA registration status code V: Valid registration. All codes
N480RD Rockwell International
114
Fixed-wing, single engine Wings and Things LLC
Wilmington, Delaware
Standard 2008-02-19 ValidFAA registration status code V: Valid registration. All codes
N4371X Piper
PA-32-300
Fixed-wing, single engine Baptist Mid Missions
Cleveland, Ohio
Standard 2008-02-14 ValidFAA registration status code V: Valid registration. All codes
N6282J Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2008-02-14 ValidFAA registration status code V: Valid registration. All codes
N62835 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Washington
Standard 2008-02-07 ValidFAA registration status code V: Valid registration. All codes
N8322K Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Iowa
Standard 2008-01-29 ValidFAA registration status code V: Valid registration. All codes
N1005X Mooney
M20M
Fixed-wing, single engine Individual owner
New Mexico
Standard 2008-01-22 ValidFAA registration status code V: Valid registration. All codes
N607KW Piper
PA-32R-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 2008-01-17 ValidFAA registration status code V: Valid registration. All codes
N1391T Piper
PA-32-300
Fixed-wing, single engine Abita Air LLC
Covington, Louisiana
Standard 2008-01-11 ValidFAA registration status code V: Valid registration. All codes
N4098R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Montana
Standard 2008-01-11 ValidFAA registration status code V: Valid registration. All codes
N92GT Socata
TB21
Fixed-wing, single engine Blue Skies Aviation LLC
Riverdale, Maryland
Standard 2008-01-11 ValidFAA registration status code V: Valid registration. All codes
N7HX Piper
PA-32-301T
Fixed-wing, single engine Blairtogaii INC
Novi, Michigan
Standard 2008-01-02 ValidFAA registration status code V: Valid registration. All codes
N15SN Maule
M-7-235C
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2007-12-21 ValidFAA registration status code V: Valid registration. All codes
N33076 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2007-12-21 ValidFAA registration status code V: Valid registration. All codes
N2969Q Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2007-12-19 ValidFAA registration status code V: Valid registration. All codes
N46PT Piper
PA 46-350P
Fixed-wing, single engine T & K LLC
Bloomington, Illinois
Standard 2007-12-19 ValidFAA registration status code V: Valid registration. All codes
N39744 Piper
PA-32RT-300T
Fixed-wing, single engine Mytrex Properties LLC
South Jordan, Utah
Standard 2007-11-29 ValidFAA registration status code V: Valid registration. All codes
N395ME Cessna
T206H
Fixed-wing, single engine Yqa Capital Management LLC
Murfreesboro, Tennessee
Standard 2007-11-26 ValidFAA registration status code V: Valid registration. All codes
N16VL Cessna
T182T
Fixed-wing, single engine Daro Associates LLC
Mahwah, New Jersey
Standard 2007-11-16 ValidFAA registration status code V: Valid registration. All codes
N7970P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Minnesota
Standard 2007-11-16 ValidFAA registration status code V: Valid registration. All codes
N8902P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2007-11-08 ValidFAA registration status code V: Valid registration. All codes
N8229E Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Montana
Standard 2007-10-30 ValidFAA registration status code V: Valid registration. All codes
N400RA Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2007-10-18 ValidFAA registration status code V: Valid registration. All codes
N6121Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Utah
Standard 2007-10-18 ValidFAA registration status code V: Valid registration. All codes
N908DK Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2007-09-15 ValidFAA registration status code V: Valid registration. All codes
N8841P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2007-09-14 ValidFAA registration status code V: Valid registration. All codes
N2118A Cessna
T206H
Fixed-wing, single engine South Dakota Highway Patrol
Pierre, South Dakota
Standard 2007-09-12 ValidFAA registration status code V: Valid registration. All codes
N818DU Cessna
T182T
Fixed-wing, single engine Individual owner
Arizona
Standard 2007-08-28 ValidFAA registration status code V: Valid registration. All codes
N9057P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Oregon
Standard 2007-08-24 ValidFAA registration status code V: Valid registration. All codes
N4563X Piper
PA-32R-300
Fixed-wing, single engine Triple D LLC
Scotland, Pennsylvania
Standard 2007-08-17 ValidFAA registration status code V: Valid registration. All codes
N620ZJ Cessna
T182T
Fixed-wing, single engine Strategic Investment Counsel CORP
Richardson, Texas
Standard 2007-07-20 ValidFAA registration status code V: Valid registration. All codes
N811CB Piper
PA-31-310
Fixed-wing, multi-engine Rfw Construction Group LLC
Dyersburg, Tennessee
Standard 2007-07-16 ValidFAA registration status code V: Valid registration. All codes
N5887Y Piper
PA-23-250
Fixed-wing, multi-engine Almost There Air LLC
Daytona Beach, Florida
Standard 2007-07-12 ValidFAA registration status code V: Valid registration. All codes
N8992N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2007-07-11 ValidFAA registration status code V: Valid registration. All codes
N9112P Piper
PA-24-260
Fixed-wing, single engine Roesel Aviation LLC
Thomasville, Georgia
Standard 2007-06-26 ValidFAA registration status code V: Valid registration. All codes
N55776 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2007-06-19 ValidFAA registration status code V: Valid registration. All codes
N67SP Piper
PA-32R-301T
Fixed-wing, single engine Bird Aviation
Salt Lake City, Utah
Standard 2007-06-14 ValidFAA registration status code V: Valid registration. All codes
N27674 Piper
PA-31-350
Fixed-wing, multi-engine Georges Aviation Services INC
Honolulu, Hawaii
Standard 2007-06-12 ValidFAA registration status code V: Valid registration. All codes
N377DW Piper
PA-23-250
Fixed-wing, multi-engine Southeastern Aircraft INC
Birmingham, Alabama
Standard 2007-06-11 ValidFAA registration status code V: Valid registration. All codes
N63790 Piper
PA-23-250
Fixed-wing, multi-engine Mcphillips Flying Service INC
Beaver Island, Michigan
Standard 2007-06-05 ValidFAA registration status code V: Valid registration. All codes
N248RC Cessna
T206H
Fixed-wing, single engine Co-owned owner
Washington
Standard 2007-05-31 ValidFAA registration status code V: Valid registration. All codes
N4130R Piper
PA-32-300
Fixed-wing, single engine Maverick Hunter Airlines LLC
Stuart, Florida
Standard 2007-05-10 ValidFAA registration status code V: Valid registration. All codes
N27835 Piper
PA-31-325
Fixed-wing, multi-engine Aerowerks LLC
Louisville, Kentucky
Standard 2007-05-08 ValidFAA registration status code V: Valid registration. All codes
N626RN Piper
PA-32-300
Fixed-wing, single engine Ferguson & Son INC
Lebanon, Tennessee
Standard 2007-05-07 ValidFAA registration status code V: Valid registration. All codes
N21183 Piper
PA-32-300
Fixed-wing, single engine Bkr LLC
Jacksonville, Florida
Standard 2007-05-05 ValidFAA registration status code V: Valid registration. All codes
N6261X Cessna
T182T
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2007-05-05 ValidFAA registration status code V: Valid registration. All codes
N844PS Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2007-05-05 ValidFAA registration status code V: Valid registration. All codes
N221CA Smith
AEROSTAR 601P
Fixed-wing, multi-engine Co-owned owner
Tennessee
Standard 2007-05-04 ValidFAA registration status code V: Valid registration. All codes
N3589B Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2007-04-24 ValidFAA registration status code V: Valid registration. All codes
N4167D Piper
PA-32R-301T
Fixed-wing, single engine Craft Air Ventures LLC
Lake Jackson, Texas
Standard 2007-04-17 ValidFAA registration status code V: Valid registration. All codes
N22293 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Florida
Standard 2007-04-10 ValidFAA registration status code V: Valid registration. All codes
N7509S Butler Aircraft Company
AEROSTAR 600
Fixed-wing, multi-engine Blueskys INC
Wilmington, Delaware
Standard 2007-04-10 ValidFAA registration status code V: Valid registration. All codes
N8897P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2007-04-03 ValidFAA registration status code V: Valid registration. All codes
N600AZ Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Florida
Standard 2007-04-02 ValidFAA registration status code V: Valid registration. All codes
N369GP Mooney
M20M
Fixed-wing, single engine Falcon & G2 INC
Amelia Island, Florida
Standard 2007-03-26 ValidFAA registration status code V: Valid registration. All codes
N4168S Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2007-03-13 ValidFAA registration status code V: Valid registration. All codes
N912DM Piper
PA-32R-301T
Fixed-wing, single engine Masser Farming INC
Sacramento, Pennsylvania
Standard 2007-03-07 ValidFAA registration status code V: Valid registration. All codes
N6058Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
California
Standard 2007-03-06 ValidFAA registration status code V: Valid registration. All codes
N2111A Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
New Mexico
Standard 2007-03-01 ValidFAA registration status code V: Valid registration. All codes
N723KY Piper
PA-31-350
Fixed-wing, multi-engine Commonwealth of Kentucky
Frankfort, Kentucky
Standard 2007-03-01 ValidFAA registration status code V: Valid registration. All codes
N8712T Mooney
M20M
Fixed-wing, single engine Co-owned owner
California
Standard 2007-03-01 ValidFAA registration status code V: Valid registration. All codes
N12LV Smith
AEROSTAR 601
Fixed-wing, multi-engine R2B2 Enterprises Lllp
Weldon Spring, Missouri
Standard 2007-02-28 ValidFAA registration status code V: Valid registration. All codes
N39HA Piper
PA-31
Fixed-wing, multi-engine Smc LTD
Somerset, Wisconsin
Standard 2007-02-28 ValidFAA registration status code V: Valid registration. All codes
N507MA Piper
PA32-301XTC
Fixed-wing, single engine Aviation Consultants US INC
Beaver Falls, Pennsylvania
Standard 2007-02-23 ValidFAA registration status code V: Valid registration. All codes
N227EC Piper
PA-31-350
Fixed-wing, multi-engine Ecjet INC
Downey, California
Standard 2007-01-31 ValidFAA registration status code V: Valid registration. All codes
N6840J Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2007-01-25 ValidFAA registration status code V: Valid registration. All codes
N2186Z Cessna
T206H
Fixed-wing, single engine National Products INC
Seattle, Washington
Standard 2007-01-23 ValidFAA registration status code V: Valid registration. All codes
N9106P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Dakota
Standard 2007-01-23 ValidFAA registration status code V: Valid registration. All codes
N600TE Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2007-01-11 ValidFAA registration status code V: Valid registration. All codes
N4114P Piper
PA-31-350
Fixed-wing, multi-engine Chieftain 4114P LLC
Lewes, Delaware
Standard 2007-01-09 ValidFAA registration status code V: Valid registration. All codes
Previous Page 43 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.