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
N1T Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 1995-01-25 ValidFAA registration status code V: Valid registration. All codes
N59987 Piper
PA-31-350
Fixed-wing, multi-engine Wings As Eagles Mission Air Serv INC
Oshkosh, Wisconsin
Standard 1995-01-18 ValidFAA registration status code V: Valid registration. All codes
N6375Y Piper
PA-23-250
Fixed-wing, multi-engine Church of Bible Understanding
Scranton, Pennsylvania
Standard 1995-01-05 ValidFAA registration status code V: Valid registration. All codes
N36390 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 1995-01-04 ValidFAA registration status code V: Valid registration. All codes
N2369W Piper
PA-32RT-301T
Fixed-wing, single engine Individual owner
Georgia
Standard 1994-12-01 ValidFAA registration status code V: Valid registration. All codes
N3529A Piper
PA-31-350
Fixed-wing, multi-engine Majestic Enterprises LTD
Wilmington, Delaware
Standard 1994-10-27 ValidFAA registration status code V: Valid registration. All codes
N90EF Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New York
Standard 1994-10-27 ValidFAA registration status code V: Valid registration. All codes
N8946P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Idaho
Standard 1994-10-18 ValidFAA registration status code V: Valid registration. All codes
N4179W Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 1994-10-05 ValidFAA registration status code V: Valid registration. All codes
N232CA Piper
PA-32-300
Fixed-wing, single engine Sawdust Aviation INC
Bellefonte, Pennsylvania
Standard 1994-09-09 ValidFAA registration status code V: Valid registration. All codes
N477BC Mooney
M20M
Fixed-wing, single engine Individual owner
Standard 1994-08-31 ValidFAA registration status code V: Valid registration. All codes
N58KM Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 1994-08-08 ValidFAA registration status code V: Valid registration. All codes
N8608P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Louisiana
Standard 1994-07-25 ValidFAA registration status code V: Valid registration. All codes
N4792W Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 1994-06-13 ValidFAA registration status code V: Valid registration. All codes
N8311C Piper
PA-32R-300
Fixed-wing, single engine Proficient Computing Solutions CORP
Fernandina Beach, Florida
Standard 1994-06-09 ValidFAA registration status code V: Valid registration. All codes
N9170H Mooney
M20M
Fixed-wing, single engine Individual owner
Ohio
Standard 1994-06-09 ValidFAA registration status code V: Valid registration. All codes
N40JE Mooney
M20M
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 1994-06-06 ValidFAA registration status code V: Valid registration. All codes
N55089 Piper
PA-32-300
Fixed-wing, single engine Zitren Frederick J
El Cajon, California
Standard 1994-05-27 ValidFAA registration status code V: Valid registration. All codes
N4734K Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
California
Standard 1994-05-18 ValidFAA registration status code V: Valid registration. All codes
N8780P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Nevada
Standard 1994-03-28 ValidFAA registration status code V: Valid registration. All codes
N40EW Mooney
M20M
Fixed-wing, single engine Wka Incorporated
Kendallville, Indiana
Standard 1994-03-18 ValidFAA registration status code V: Valid registration. All codes
N8577P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alabama
Standard 1994-02-23 ValidFAA registration status code V: Valid registration. All codes
N126HJ Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 1994-02-10 ValidFAA registration status code V: Valid registration. All codes
N4856W Rockwell International
114
Fixed-wing, single engine Uhl John W
Sellersburg, Indiana
Standard 1994-01-20 ValidFAA registration status code V: Valid registration. All codes
N18HL Piper
PA-31-350
Fixed-wing, multi-engine Businessliner INC
Ft Lauderdale, Florida
Standard 1993-12-01 ValidFAA registration status code V: Valid registration. All codes
N7777F Piper
PA 46-350P
Fixed-wing, single engine Plastech Corporation
Atlanta, Georgia
Standard 1993-11-19 ValidFAA registration status code V: Valid registration. All codes
N133PR Mooney
M20M
Fixed-wing, single engine Jamian Corporation
Lewes, Delaware
Standard 1993-11-03 ValidFAA registration status code V: Valid registration. All codes
N14394 Piper
PA-23-250
Fixed-wing, multi-engine Pavco INC
Gig Harbor, Washington
Standard 1993-10-13 ValidFAA registration status code V: Valid registration. All codes
N9091P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New Jersey
Standard 1993-08-16 ValidFAA registration status code V: Valid registration. All codes
N4082T Piper
PA-31-350
Fixed-wing, multi-engine Warbelows Air Ventures INC
Fairbanks, Alaska
Standard 1993-06-17 ValidFAA registration status code V: Valid registration. All codes
N40784 Piper
PA-32-300
Fixed-wing, single engine High Flying Club INC
Fort Wayne, Indiana
Standard 1993-04-29 ValidFAA registration status code V: Valid registration. All codes
N17AR Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 1993-04-21 ValidFAA registration status code V: Valid registration. All codes
N1275R Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 1993-04-06 ValidFAA registration status code V: Valid registration. All codes
N44PT Piper
PA-23-250
Fixed-wing, multi-engine Daedalus Flight Service INC
P Fokaia,
Standard 1993-02-18 ValidFAA registration status code V: Valid registration. All codes
N8925P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 1993-01-27 ValidFAA registration status code V: Valid registration. All codes
N122TE Piper
PA-32-300
Fixed-wing, single engine Individual owner
South Carolina
Standard 1992-12-16 ValidFAA registration status code V: Valid registration. All codes
N8629N Piper
PA-32-300
Fixed-wing, single engine N8629N INC
Ooltewah, Tennessee
Standard 1992-12-14 ValidFAA registration status code V: Valid registration. All codes
N90509 Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Georgia
Standard 1992-12-08 ValidFAA registration status code V: Valid registration. All codes
N369PM Rockwell International
700
Fixed-wing, multi-engine Arapahoe Telephone CO INC
Arapahoe, Nebraska
Standard 1992-11-18 ValidFAA registration status code V: Valid registration. All codes
N1NX Beech
D95A
Fixed-wing, multi-engine Birchwood Farms INC
Hope Mills, North Carolina
Standard 1992-10-20 ValidFAA registration status code V: Valid registration. All codes
N9144P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 1992-10-05 ValidFAA registration status code V: Valid registration. All codes
N613RA Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Multiple 1992-07-28 ValidFAA registration status code V: Valid registration. All codes
N59764 Piper
PA-31-350
Fixed-wing, multi-engine Warbelows Air Ventures INC
Fairbanks, Alaska
Standard 1992-07-13 ValidFAA registration status code V: Valid registration. All codes
N38331 Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 1992-06-04 ValidFAA registration status code V: Valid registration. All codes
N9074P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Nebraska
Standard 1992-06-03 ValidFAA registration status code V: Valid registration. All codes
N8473C Piper
PA-32R-301
Fixed-wing, single engine R K Air LTD
Harrisburg, Pennsylvania
Standard 1992-06-02 ValidFAA registration status code V: Valid registration. All codes
N2143B Piper
PA-32RT-300T
Fixed-wing, single engine Lance Aviation CORP
Houston, Texas
Standard 1992-04-30 ValidFAA registration status code V: Valid registration. All codes
N7438S Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Florida
Standard 1992-03-24 ValidFAA registration status code V: Valid registration. All codes
N8799P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 1992-01-13 ValidFAA registration status code V: Valid registration. All codes
N9075P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 1992-01-07 ValidFAA registration status code V: Valid registration. All codes
N995AK Piper
PA-31-350
Fixed-wing, multi-engine Lake Clark Air INC
Port Alsworth, Alaska
Standard 1991-12-26 ValidFAA registration status code V: Valid registration. All codes
N4077W Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Mississippi
Standard 1991-12-13 ValidFAA registration status code V: Valid registration. All codes
N36201 Piper
PA-32RT-300T
Fixed-wing, single engine Bmw Lance INC
Gardner, Massachusetts
Standard 1991-08-15 ValidFAA registration status code V: Valid registration. All codes
N241PB Piper
PA-23-250
Fixed-wing, multi-engine Transtek International INC
Deerfield, Illinois
Standard 1991-08-13 ValidFAA registration status code V: Valid registration. All codes
N560DB Piper
PA-23-250
Fixed-wing, multi-engine Anderson Aerial Spraying Svc INC
Canby, Minnesota
Standard 1991-08-02 ValidFAA registration status code V: Valid registration. All codes
N4113B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Maryland
Standard 1991-07-30 ValidFAA registration status code V: Valid registration. All codes
N8463M Piper
PA-32-301T
Fixed-wing, single engine Individual owner
California
Standard 1991-07-30 ValidFAA registration status code V: Valid registration. All codes
N113TR Piper
PA-32R-300
Fixed-wing, single engine Individual owner
New Hampshire
Standard 1991-07-26 ValidFAA registration status code V: Valid registration. All codes
N60JJ Rockwell International
114
Fixed-wing, single engine Individual owner
New York
Standard 1991-06-20 ValidFAA registration status code V: Valid registration. All codes
N8278R Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 1991-06-18 ValidFAA registration status code V: Valid registration. All codes
N4552X Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Maryland
Standard 1991-06-14 ValidFAA registration status code V: Valid registration. All codes
N40813 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Florida
Standard 1991-05-31 ValidFAA registration status code V: Valid registration. All codes
N8927N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 1991-03-18 ValidFAA registration status code V: Valid registration. All codes
N20B Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 1991-03-05 ValidFAA registration status code V: Valid registration. All codes
N9313P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 1991-02-26 ValidFAA registration status code V: Valid registration. All codes
N8606P Piper
PA-24-260
Fixed-wing, single engine Individual owner
South Dakota
Standard 1990-12-20 ValidFAA registration status code V: Valid registration. All codes
N4174W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Georgia
Standard 1990-12-05 ValidFAA registration status code V: Valid registration. All codes
N36808 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Tennessee
Standard 1990-11-27 ValidFAA registration status code V: Valid registration. All codes
N6904Y Piper
PA-23-250
Fixed-wing, multi-engine United Jet Sales INC
Newark, Delaware
Standard 1990-10-31 ValidFAA registration status code V: Valid registration. All codes
N59829 Piper
PA-31-350
Fixed-wing, multi-engine Warbelows Air Ventures INC
Fairbanks, Alaska
Standard 1990-10-09 ValidFAA registration status code V: Valid registration. All codes
N664R Cessna
310D
Fixed-wing, multi-engine Co-owned owner
Virginia
Standard 1990-09-28 ValidFAA registration status code V: Valid registration. All codes
N790BB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 1990-09-20 ValidFAA registration status code V: Valid registration. All codes
N114GT Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 1990-08-15 ValidFAA registration status code V: Valid registration. All codes
N8848P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Ohio
Standard 1990-08-13 ValidFAA registration status code V: Valid registration. All codes
N9022P Piper
PA-24-260
Fixed-wing, single engine Acc Air Charter Company
Wilmington, Delaware
Standard 1990-07-18 ValidFAA registration status code V: Valid registration. All codes
N8796P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Montana
Standard 1990-06-04 ValidFAA registration status code V: Valid registration. All codes
N9235P Piper
PA-24-260
Fixed-wing, single engine Jen Lyn INC
Wilmington, Delaware
Standard 1990-05-30 ValidFAA registration status code V: Valid registration. All codes
N8849P Piper
PA-24-260
Fixed-wing, single engine Care Management Oregon INC
New Plymouth, Idaho
Standard 1990-05-25 ValidFAA registration status code V: Valid registration. All codes
N661SD Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 1990-02-14 ValidFAA registration status code V: Valid registration. All codes
N777CM Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1990-02-02 ValidFAA registration status code V: Valid registration. All codes
N9160P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 1990-01-26 ValidFAA registration status code V: Valid registration. All codes
N3547B Piper
PA-31-350
Fixed-wing, multi-engine Mlmce Company INC
Winchester, Virginia
Standard 1989-11-15 ValidFAA registration status code V: Valid registration. All codes
N4021R Piper
PA-32-300
Fixed-wing, single engine 21 Romeo INC
Horton, Michigan
Standard 1989-10-30 ValidFAA registration status code V: Valid registration. All codes
N114MT Rockwell International
114
Fixed-wing, single engine Individual owner
Colorado
Standard 1989-08-18 ValidFAA registration status code V: Valid registration. All codes
N6601L Piper
PA-23-250
Fixed-wing, multi-engine United Jet Sales INC
Newark, Delaware
Standard 1989-07-28 ValidFAA registration status code V: Valid registration. All codes
N7426L Piper
PA-31-310
Fixed-wing, multi-engine Wright Air Service INC
Fairbanks, Alaska
Standard 1989-06-19 ValidFAA registration status code V: Valid registration. All codes
N8674N Piper
PA-32-300
Fixed-wing, single engine Kesselring Aircraft Leasing CORP
Bayard, Iowa
Standard 1989-05-02 ValidFAA registration status code V: Valid registration. All codes
N271MC Piper
PA-31-310
Fixed-wing, multi-engine Sunshine Aero Industries INC
Crestview, Florida
Multiple 1989-04-24 ValidFAA registration status code V: Valid registration. All codes
N1474T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 1989-04-19 ValidFAA registration status code V: Valid registration. All codes
N109CC Piper
PA-23-250
Fixed-wing, multi-engine Trans-Caribbean Air Exp & Imp INC
Miami, Florida
Standard 1989-03-30 ValidFAA registration status code V: Valid registration. All codes
N8546F Piper
PA-32R-300
Fixed-wing, single engine Barts Flying Service INC
Storm Lake, Iowa
Standard 1989-03-16 ValidFAA registration status code V: Valid registration. All codes
N8CT Piper
PA-23-250
Fixed-wing, multi-engine Opitz Airways INC
Belleair, Florida
Standard 1989-03-08 ValidFAA registration status code V: Valid registration. All codes
N9215Y Piper
PA-31-300
Fixed-wing, multi-engine Astro Star Aviation INC
Niles, Michigan
Standard 1989-02-13 ValidFAA registration status code V: Valid registration. All codes
N88CM Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 1989-01-26 ValidFAA registration status code V: Valid registration. All codes
N88VB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 1989-01-18 ValidFAA registration status code V: Valid registration. All codes
N808DL Piper
PA-32-300
Fixed-wing, single engine Sons Aviation INC
Moody, Alabama
Standard 1988-12-08 ValidFAA registration status code V: Valid registration. All codes
N61470 Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 1988-11-29 ValidFAA registration status code V: Valid registration. All codes
N101LC Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
California
Standard 1988-11-01 ValidFAA registration status code V: Valid registration. All codes
N9317P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Massachusetts
Standard 1988-10-14 ValidFAA registration status code V: Valid registration. All codes
N613WK Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 1988-09-08 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.