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
N801K Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 2021-02-19 ValidFAA registration status code V: Valid registration. All codes
N892TW Piper
PA-31-325
Fixed-wing, multi-engine Teo Steel INC
Ramer, Tennessee
Standard 2021-02-18 ValidFAA registration status code V: Valid registration. All codes
N373HP Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2021-02-17 ValidFAA registration status code V: Valid registration. All codes
N3915X Piper
PA-32-300
Fixed-wing, single engine Kb Aviation LLC
Lewes, Delaware
Standard 2021-02-16 ValidFAA registration status code V: Valid registration. All codes
N8735P Piper
PA-24-260
Fixed-wing, single engine G B W LLP
Slidell, Louisiana
Standard 2021-02-12 ValidFAA registration status code V: Valid registration. All codes
N8955P Piper
PA-24-260
Fixed-wing, single engine Propwash LLC
Princeville, Illinois
Standard 2021-02-12 ValidFAA registration status code V: Valid registration. All codes
N114PR Piper
PA-31-350
Fixed-wing, multi-engine C W 3 LLC
San Juan, Puerto Rico
Standard 2021-02-11 ValidFAA registration status code V: Valid registration. All codes
N1SY Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-02-11 ValidFAA registration status code V: Valid registration. All codes
N5164U Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2021-02-11 ValidFAA registration status code V: Valid registration. All codes
N54796 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-02-11 ValidFAA registration status code V: Valid registration. All codes
N76AW Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-02-11 ValidFAA registration status code V: Valid registration. All codes
N305YW Piper
PA-31-350
Fixed-wing, multi-engine Richard L Richards P A Trustee
Coral Gables, Florida
Standard 2021-02-10 ValidFAA registration status code V: Valid registration. All codes
N8915P Piper
PA-24-260
Fixed-wing, single engine Legacy Aviation Mid-Michigan LLC
Kalamazoo, Michigan
Standard 2021-02-10 ValidFAA registration status code V: Valid registration. All codes
N993HR Piper
PA-31-325
Fixed-wing, multi-engine Obxpress LLC
Frisco, North Carolina
Standard 2021-02-10 ValidFAA registration status code V: Valid registration. All codes
N5061C Cessna
T182T
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2021-02-09 ValidFAA registration status code V: Valid registration. All codes
N5752Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-02-09 ValidFAA registration status code V: Valid registration. All codes
N6575V Bellanca
17-31A
Fixed-wing, single engine Individual owner
Kansas
Standard 2021-02-09 ValidFAA registration status code V: Valid registration. All codes
N93CD Mooney
M20M
Fixed-wing, single engine Individual owner
New York
Standard 2021-02-09 ValidFAA registration status code V: Valid registration. All codes
N16441 Piper
PA-32-300
Fixed-wing, single engine 2C Fun Aviation LLC
Dallas, Texas
Standard 2021-02-08 ValidFAA registration status code V: Valid registration. All codes
N4175W Piper
PA-32-300
Fixed-wing, single engine Bauder Plane LLC
Hatfield, Pennsylvania
Standard 2021-02-06 ValidFAA registration status code V: Valid registration. All codes
N41TN Piper
PA-31-325
Fixed-wing, multi-engine Bvbd Aviation LLC
Charlotte, North Carolina
Standard 2021-02-04 ValidFAA registration status code V: Valid registration. All codes
N8090T Piper
PA-32R-301T
Fixed-wing, single engine N8090T LLC
Austin, Texas
Standard 2021-02-04 ValidFAA registration status code V: Valid registration. All codes
N5212S Piper
PA-32S-300
Fixed-wing, single engine Individual owner
Texas
Standard 2021-02-03 ValidFAA registration status code V: Valid registration. All codes
N905TJ Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-02-03 ValidFAA registration status code V: Valid registration. All codes
N727TV Bellanca
17-31ATC
Fixed-wing, single engine Tuskegee Eagles of St Jeseph Mo
Agency, Missouri
Standard 2021-02-02 ValidFAA registration status code V: Valid registration. All codes
N620FS Shuster Frederick
GLASAIR III
Fixed-wing, single engine Bad Attitude Aviation LLC
Peoria, Arizona
Experimental 2021-01-30 ValidFAA registration status code V: Valid registration. All codes
N4119R Piper
PA-32-300
Fixed-wing, single engine Individual owner
New York
Standard 2021-01-29 ValidFAA registration status code V: Valid registration. All codes
N5982Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-01-29 ValidFAA registration status code V: Valid registration. All codes
N21372 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
California
Standard 2021-01-28 ValidFAA registration status code V: Valid registration. All codes
N9599C Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2021-01-28 ValidFAA registration status code V: Valid registration. All codes
N302RT Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Washington
Standard 2021-01-27 ValidFAA registration status code V: Valid registration. All codes
N86LG Smith
AEROSTAR 601P
Fixed-wing, multi-engine East High Flying INC
Othello, Washington
Standard 2021-01-27 ValidFAA registration status code V: Valid registration. All codes
N9390P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2021-01-27 ValidFAA registration status code V: Valid registration. All codes
N4033B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Colorado
Standard 2021-01-26 ValidFAA registration status code V: Valid registration. All codes
N6119V Commander Aircraft Co
114-B
Fixed-wing, single engine N6119V LLC
Boca Raton, Florida
Standard 2021-01-26 ValidFAA registration status code V: Valid registration. All codes
N289JG Piper
PA-32R-301T
Fixed-wing, single engine Nex Gen Paving INC
Sanford, Texas
Standard 2021-01-23 ValidFAA registration status code V: Valid registration. All codes
N380CA Piper
PA-32R-301T
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2021-01-22 ValidFAA registration status code V: Valid registration. All codes
N942E Piper
PA-31-350
Fixed-wing, multi-engine Angry Manx LLC
Riverside, California
Standard 2021-01-22 ValidFAA registration status code V: Valid registration. All codes
N146NC Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Washington
Standard 2021-01-21 ValidFAA registration status code V: Valid registration. All codes
N283SS Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2021-01-21 ValidFAA registration status code V: Valid registration. All codes
N9454P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2021-01-20 ValidFAA registration status code V: Valid registration. All codes
N171Z Aero Commander
500-B
Fixed-wing, multi-engine Caribbean Flyers LLC
New York, New York
Standard 2021-01-19 ValidFAA registration status code V: Valid registration. All codes
N3231B Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kentucky
Standard 2021-01-19 ValidFAA registration status code V: Valid registration. All codes
N477D Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2021-01-19 ValidFAA registration status code V: Valid registration. All codes
N6911Y Piper
PA-23-250
Fixed-wing, multi-engine Delaware Aircraft Trust LLC Trustee
New Castle, Delaware
Standard 2021-01-19 ValidFAA registration status code V: Valid registration. All codes
N280KC Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Florida
Standard 2021-01-16 ValidFAA registration status code V: Valid registration. All codes
N9292P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2021-01-16 ValidFAA registration status code V: Valid registration. All codes
N5157J Cessna
340
Fixed-wing, multi-engine Apogee Finance LLC
Fort Worth, Texas
Standard 2021-01-15 ValidFAA registration status code V: Valid registration. All codes
N42HP Smith
AEROSTAR 601P
Fixed-wing, multi-engine Lmtp Adventures LLC
Tucker, Georgia
Standard 2021-01-14 ValidFAA registration status code V: Valid registration. All codes
N9238W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Kansas
Restricted 2021-01-14 ValidFAA registration status code V: Valid registration. All codes
N3024N Piper
PA-32RT-300T
Fixed-wing, single engine Delaware Aircraft Trust LLC Trustee
New Castle, Delaware
Standard 2021-01-13 ValidFAA registration status code V: Valid registration. All codes
N801CH Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
California
Standard 2021-01-13 ValidFAA registration status code V: Valid registration. All codes
N8735E Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2021-01-12 ValidFAA registration status code V: Valid registration. All codes
N4270T Piper
PA-32-300
Fixed-wing, single engine Allen Aero LLC
Saint Cloud, Florida
Standard 2021-01-09 ValidFAA registration status code V: Valid registration. All codes
N52657 Cessna
T182T
Fixed-wing, single engine Honeycutt Holdings INC
Charlotte, North Carolina
Standard 2021-01-09 ValidFAA registration status code V: Valid registration. All codes
N9157S Mooney
M20M
Fixed-wing, single engine Adverse Yaw LLC
Albuquerque, New Mexico
Standard 2021-01-08 ValidFAA registration status code V: Valid registration. All codes
N735Q Piper
PA-31-325
Fixed-wing, multi-engine Stuart Aviation Holdings LLC
Stuart, Florida
Standard 2021-01-06 ValidFAA registration status code V: Valid registration. All codes
N20489 Cessna
T182T
Fixed-wing, single engine Lone Oak Properties LLC
Flagstaff, Arizona
Standard 2021-01-05 ValidFAA registration status code V: Valid registration. All codes
N9053P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2021-01-04 ValidFAA registration status code V: Valid registration. All codes
N9252P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2021-01-04 ValidFAA registration status code V: Valid registration. All codes
N4147W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Iowa
Standard 2020-12-30 ValidFAA registration status code V: Valid registration. All codes
N3NB Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2020-12-19 ValidFAA registration status code V: Valid registration. All codes
N5170J Piper
PA-32R-301
Fixed-wing, single engine Archer Aviation LLC
Traverse City, Michigan
Standard 2020-12-19 ValidFAA registration status code V: Valid registration. All codes
N9161N Mooney
M20M
Fixed-wing, single engine Corvallis Rapid Transit LLC
Corvallis, Oregon
Standard 2020-12-19 ValidFAA registration status code V: Valid registration. All codes
N4722W Rockwell International
114
Fixed-wing, single engine Individual owner
Iowa
Standard 2020-12-18 ValidFAA registration status code V: Valid registration. All codes
N4500F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2020-12-17 ValidFAA registration status code V: Valid registration. All codes
N9646K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2020-12-17 ValidFAA registration status code V: Valid registration. All codes
N8779C Piper
PA-32R-300
Fixed-wing, single engine Forever Fly LLC
Margate, Florida
Standard 2020-12-15 ValidFAA registration status code V: Valid registration. All codes
N9193P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2020-12-14 ValidFAA registration status code V: Valid registration. All codes
N135TS Cessna
T206H
Fixed-wing, single engine N135Ts LLC
Lima, Ohio
Standard 2020-12-12 ValidFAA registration status code V: Valid registration. All codes
N4167C Piper
PA 46-350P
Fixed-wing, single engine Ssp Aviation LLC
Aurora, Ohio
Standard 2020-12-12 ValidFAA registration status code V: Valid registration. All codes
N1085G Mooney
M20M
Fixed-wing, single engine 3Foxtrot LLC
Tucson, Arizona
Standard 2020-12-11 ValidFAA registration status code V: Valid registration. All codes
N14DW Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Alabama
Standard 2020-12-08 ValidFAA registration status code V: Valid registration. All codes
N27275 Piper
PA-31-310
Fixed-wing, multi-engine Island Wings INC
Fort Lauderdale, Florida
Standard 2020-12-07 ValidFAA registration status code V: Valid registration. All codes
N7434L Piper
PA-31-310
Fixed-wing, multi-engine Island Wings INC
Fort Lauderdale, Florida
Standard 2020-12-07 ValidFAA registration status code V: Valid registration. All codes
N956CR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2020-12-05 ValidFAA registration status code V: Valid registration. All codes
N102TM Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Florida
Standard 2020-12-02 ValidFAA registration status code V: Valid registration. All codes
N163AW Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2020-12-01 ValidFAA registration status code V: Valid registration. All codes
N652PL Piper
PA-31-350
Fixed-wing, multi-engine N652Pl LLC
Saint Joseph, Missouri
Standard 2020-11-30 ValidFAA registration status code V: Valid registration. All codes
N78FL Piper
PA 46-350P
Fixed-wing, single engine Flight Levels LLC
Ridgeland, Mississippi
Standard 2020-11-24 ValidFAA registration status code V: Valid registration. All codes
N2SX Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
West Virginia
Standard 2020-11-21 ValidFAA registration status code V: Valid registration. All codes
N73RW Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2020-11-21 ValidFAA registration status code V: Valid registration. All codes
N613DB Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2020-11-19 ValidFAA registration status code V: Valid registration. All codes
N2441M Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2020-11-18 ValidFAA registration status code V: Valid registration. All codes
N120DG Piper
PA-32R-301T
Fixed-wing, single engine Bluesail LLC
Las Vegas, Nevada
Standard 2020-11-17 ValidFAA registration status code V: Valid registration. All codes
N199DS Piper
PA-31-310
Fixed-wing, multi-engine Island Wings INC
Fort Lauderdale, Florida
Standard 2020-11-17 ValidFAA registration status code V: Valid registration. All codes
N9333P Piper
PA-24-260
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2020-11-17 ValidFAA registration status code V: Valid registration. All codes
N55209 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2020-11-16 ValidFAA registration status code V: Valid registration. All codes
N9120D Mooney
M20M
Fixed-wing, single engine Co-owned owner
Wyoming
Standard 2020-11-16 ValidFAA registration status code V: Valid registration. All codes
N999U Mooney
M20M
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2020-11-16 ValidFAA registration status code V: Valid registration. All codes
N8448Z Piper
PA-32R-301T
Fixed-wing, single engine Bliss Air LLC
Saint Joseph, Michigan
Standard 2020-11-14 ValidFAA registration status code V: Valid registration. All codes
N338SA Cessna
T206H
Fixed-wing, single engine Individual owner
Colorado
Standard 2020-11-12 ValidFAA registration status code V: Valid registration. All codes
N495WF Piper
PA-32R-301
Fixed-wing, single engine Co-owned owner
Florida
Standard 2020-11-12 ValidFAA registration status code V: Valid registration. All codes
N25PF Piper
PA 46-350P
Fixed-wing, single engine Cloud Tops LLC
Mclean, Virginia
Standard 2020-11-10 ValidFAA registration status code V: Valid registration. All codes
N505JW Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
California
Standard 2020-11-10 ValidFAA registration status code V: Valid registration. All codes
N8954P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2020-11-10 ValidFAA registration status code V: Valid registration. All codes
N23MC Piper
PA-32R-300
Fixed-wing, single engine Film Fliers INC
Orlando, Florida
Standard 2020-11-09 ValidFAA registration status code V: Valid registration. All codes
N262AS Piper
PA-31
Fixed-wing, multi-engine Aerodata LLC
Ann Arbor, Michigan
Standard 2020-11-07 ValidFAA registration status code V: Valid registration. All codes
N1640P Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arizona
Standard 2020-11-06 ValidFAA registration status code V: Valid registration. All codes
N41208 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2020-11-05 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.