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
N62564 Piper
PA-23-250
Fixed-wing, multi-engine Del Mar College
Corpus Christi, Texas
Standard 2010-05-13 ValidFAA registration status code V: Valid registration. All codes
N36525 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arizona
Standard 2010-05-12 ValidFAA registration status code V: Valid registration. All codes
N2121K Mooney
M20M
Fixed-wing, single engine Foss Investment CO INC
Casper, Wyoming
Standard 2010-04-23 ValidFAA registration status code V: Valid registration. All codes
N4134D Piper
PA-32R-301T
Fixed-wing, single engine Scull Timber CO INC
Tenaha, Texas
Standard 2010-04-22 ValidFAA registration status code V: Valid registration. All codes
N128WP Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2010-04-09 ValidFAA registration status code V: Valid registration. All codes
N88CX Smith
AEROSTAR 601P
Fixed-wing, multi-engine Champlin Aviation LLC
Kerens, Texas
Standard 2010-04-05 ValidFAA registration status code V: Valid registration. All codes
N2470F Cessna
182S
Fixed-wing, single engine Meridian Aviation LLC
Lincolnton, North Carolina
Standard 2010-04-02 ValidFAA registration status code V: Valid registration. All codes
N8757P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2010-03-25 ValidFAA registration status code V: Valid registration. All codes
N271MJ Mooney
M20M
Fixed-wing, single engine Gbs Aviation INC Trustee
Wilmington, Delaware
Standard 2010-03-12 ValidFAA registration status code V: Valid registration. All codes
N9097P Piper
PA-24-260
Fixed-wing, single engine A T Aviation LLC
Cherokee, Iowa
Standard 2010-02-09 ValidFAA registration status code V: Valid registration. All codes
N4VS Piper
PA-23-250
Fixed-wing, multi-engine Aircraft Montana LLC
Helena, Montana
Standard 2010-01-27 ValidFAA registration status code V: Valid registration. All codes
N7772H Cessna
T182T
Fixed-wing, single engine Gws Contractors INC
Bonne Terre, Missouri
Standard 2010-01-21 ValidFAA registration status code V: Valid registration. All codes
N72805 Cessna
T206H
Fixed-wing, single engine Ace Aviators LLC
New Baltimore, Michigan
Standard 2010-01-15 ValidFAA registration status code V: Valid registration. All codes
N61JW Piper
PA-32R-301T
Fixed-wing, single engine Big Bear Resorts INC
Big Bear Lake, California
Standard 2010-01-14 ValidFAA registration status code V: Valid registration. All codes
N182TS Cessna
T182T
Fixed-wing, single engine Individual owner
Iowa
Standard 2010-01-04 ValidFAA registration status code V: Valid registration. All codes
N65920 Cessna
T182T
Fixed-wing, single engine Hellroaring Technologies INC
Polson, Montana
Standard 2010-01-04 ValidFAA registration status code V: Valid registration. All codes
N8234J Piper
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2009-12-29 ValidFAA registration status code V: Valid registration. All codes
N260CA Smith
AEROSTAR 601P
Fixed-wing, multi-engine Cielo Azul Aviation LLC
Texico, New Mexico
Standard 2009-12-21 ValidFAA registration status code V: Valid registration. All codes
N462TM Piper
PA 46-350P
Fixed-wing, single engine Palisades Creek Aircraft CO LLC
Thayne, Wyoming
Standard 2009-12-15 ValidFAA registration status code V: Valid registration. All codes
N432EA Cessna
T182T
Fixed-wing, single engine Vanderloop Equipment INC
Brillion, Wisconsin
Standard 2009-12-10 ValidFAA registration status code V: Valid registration. All codes
N62593 Piper
PA-23-250
Fixed-wing, multi-engine Samco USA LLC
Reno, Nevada
Standard 2009-12-09 ValidFAA registration status code V: Valid registration. All codes
N662TM Cessna
T182T
Fixed-wing, single engine Upright CORP
Kentfield, California
Standard 2009-12-04 ValidFAA registration status code V: Valid registration. All codes
N55MT Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2009-12-02 ValidFAA registration status code V: Valid registration. All codes
N1050Q Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2009-12-01 ValidFAA registration status code V: Valid registration. All codes
N2422U Piper
PA-32R-301T
Fixed-wing, single engine Dennissan LLC
Noble, Oklahoma
Standard 2009-12-01 ValidFAA registration status code V: Valid registration. All codes
N3F Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2009-12-01 ValidFAA registration status code V: Valid registration. All codes
N8910N Piper
PA-32-300
Fixed-wing, single engine Ram Aeronautics LLC
Wichita Falls, Texas
Standard 2009-11-23 ValidFAA registration status code V: Valid registration. All codes
N553C Mooney
M20M
Fixed-wing, single engine Bravo Air LLC
Frisco, Texas
Standard 2009-11-20 ValidFAA registration status code V: Valid registration. All codes
N601P Piper Aircraft Corporation
PA-60-601P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2009-11-19 ValidFAA registration status code V: Valid registration. All codes
N9162P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Kansas
Standard 2009-11-09 ValidFAA registration status code V: Valid registration. All codes
N911MH Piper
PA-32R-300
Fixed-wing, single engine Sierra Charlie LLC
Greenville, South Carolina
Standard 2009-11-02 ValidFAA registration status code V: Valid registration. All codes
N9285Q Piper
PA-32R-301T
Fixed-wing, single engine Jrb Aviation LTD
Jasper, Georgia
Standard 2009-10-28 ValidFAA registration status code V: Valid registration. All codes
N500EG Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2009-10-20 ValidFAA registration status code V: Valid registration. All codes
N425CA Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2009-10-15 ValidFAA registration status code V: Valid registration. All codes
N43TL Piper
PA-24
Fixed-wing, single engine T M L Aircraft INC
Narrowsburg, New York
Standard 2009-10-13 ValidFAA registration status code V: Valid registration. All codes
N767SC Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2009-10-08 ValidFAA registration status code V: Valid registration. All codes
N7824T Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2009-09-14 ValidFAA registration status code V: Valid registration. All codes
N9339P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2009-09-09 ValidFAA registration status code V: Valid registration. All codes
N6124M Piper
PA-32R-301T
Fixed-wing, single engine Discovery Air LLC
Austin, Texas
Standard 2009-09-08 ValidFAA registration status code V: Valid registration. All codes
N8966P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2009-09-04 ValidFAA registration status code V: Valid registration. All codes
N4016R Piper
PA-32-300
Fixed-wing, single engine Norsworthy Aviation LLC
Redington Shores, Florida
Standard 2009-09-02 ValidFAA registration status code V: Valid registration. All codes
N4058W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Virginia
Standard 2009-08-26 ValidFAA registration status code V: Valid registration. All codes
N270ME Cessna
T206H
Fixed-wing, single engine Mm Aviation LLC
Casa Grande, Arizona
Standard 2009-08-20 ValidFAA registration status code V: Valid registration. All codes
N6249J Piper
PA-32R-300
Fixed-wing, single engine Akwari Aerospace LLC
Burbank, California
Standard 2009-08-19 ValidFAA registration status code V: Valid registration. All codes
N123KW Piper
PA-31-310
Fixed-wing, multi-engine 123 LLC
Allentown, Pennsylvania
Multiple 2009-08-12 ValidFAA registration status code V: Valid registration. All codes
N82008 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2009-07-27 ValidFAA registration status code V: Valid registration. All codes
N2151Y Cessna
T182T
Fixed-wing, single engine Mtjc Services LLC
Chester, West Virginia
Standard 2009-06-22 ValidFAA registration status code V: Valid registration. All codes
N62CA Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Indiana
Standard 2009-06-16 ValidFAA registration status code V: Valid registration. All codes
N4254R Piper
PA-32-300
Fixed-wing, single engine Star Marianas Air INC
Saipan, Northern Mariana Islands
Standard 2009-06-05 ValidFAA registration status code V: Valid registration. All codes
N4127R Piper
PA-32-300
Fixed-wing, single engine Star Marianas Air INC
Saipan, Northern Mariana Islands
Standard 2009-06-04 ValidFAA registration status code V: Valid registration. All codes
N620HP Cessna
T206H
Fixed-wing, single engine Department of Public Safety
Norman, Oklahoma
Standard 2009-06-03 ValidFAA registration status code V: Valid registration. All codes
N7983Y Piper
PA-30
Fixed-wing, multi-engine Individual owner
Iowa
Standard 2009-05-21 ValidFAA registration status code V: Valid registration. All codes
N82656 Piper
PA-36-300
Fixed-wing, single engine Souther Field Aviation INC
Americus, Georgia
Restricted 2009-05-21 ValidFAA registration status code V: Valid registration. All codes
N206CV Cessna
T206H
Fixed-wing, single engine C & C Transportation INC
Benton, Louisiana
Standard 2009-05-20 ValidFAA registration status code V: Valid registration. All codes
N20887 Cessna
T182T
Fixed-wing, single engine N20887 LLC
Augusta, Georgia
Standard 2009-05-07 ValidFAA registration status code V: Valid registration. All codes
N101WC Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2009-05-05 ValidFAA registration status code V: Valid registration. All codes
N4332T Piper
PA-32-300
Fixed-wing, single engine Old Fart Aviation LLC
Carroll, Ohio
Standard 2009-05-04 ValidFAA registration status code V: Valid registration. All codes
N4109A Piper
PA-23-250
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2009-04-29 ValidFAA registration status code V: Valid registration. All codes
N17123 Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2009-04-14 ValidFAA registration status code V: Valid registration. All codes
N59681 Piper
PA-36-300
Fixed-wing, single engine Aircraft Montana LLC
Helena, Montana
Restricted 2009-04-09 ValidFAA registration status code V: Valid registration. All codes
N9636K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Colorado
Standard 2009-03-30 ValidFAA registration status code V: Valid registration. All codes
N4084R Piper
PA-32-300
Fixed-wing, single engine Land Aerial Services LLC
Conway, Arkansas
Standard 2009-03-18 ValidFAA registration status code V: Valid registration. All codes
N1983H Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Nebraska
Standard 2009-03-12 ValidFAA registration status code V: Valid registration. All codes
N2232Z Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Maryland
Standard 2009-03-11 ValidFAA registration status code V: Valid registration. All codes
N801PC Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2009-03-10 ValidFAA registration status code V: Valid registration. All codes
N60030 Cessna
T182T
Fixed-wing, single engine Jmj Properties LLC
Atchison, Kansas
Standard 2009-03-09 ValidFAA registration status code V: Valid registration. All codes
N22295 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Mississippi
Standard 2009-03-04 ValidFAA registration status code V: Valid registration. All codes
N94P Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2009-03-03 ValidFAA registration status code V: Valid registration. All codes
N100BJ Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2009-03-02 ValidFAA registration status code V: Valid registration. All codes
N642JF Piper
PA32-301XTC
Fixed-wing, single engine 6 Xt LLC
Fort Lauderdale, Florida
Standard 2009-01-29 ValidFAA registration status code V: Valid registration. All codes
N2659T Piper
PA-32-300
Fixed-wing, single engine Leja Surveying CORP
Yucaipa, California
Standard 2009-01-28 ValidFAA registration status code V: Valid registration. All codes
N4174Z Piper
PA-32R-301T
Fixed-wing, single engine Caledonia Air LLC
Palm Beach, Florida
Standard 2009-01-21 ValidFAA registration status code V: Valid registration. All codes
N8RG Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2009-01-06 ValidFAA registration status code V: Valid registration. All codes
N178G Piper
PA-23-250
Fixed-wing, multi-engine Panhandle Groundwater Conservation District
White Deer, Texas
Multiple 2008-12-31 ValidFAA registration status code V: Valid registration. All codes
N800LP Piper
PA-31-350
Fixed-wing, multi-engine C A Aviation CORP
Clifton, Texas
Standard 2008-12-30 ValidFAA registration status code V: Valid registration. All codes
N1872E Piper
PA-31-350
Fixed-wing, multi-engine American Valet Air INC
Wilmington, Delaware
Standard 2008-12-17 ValidFAA registration status code V: Valid registration. All codes
N9233P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2008-12-17 ValidFAA registration status code V: Valid registration. All codes
N53266 Piper
PA-32R-301T
Fixed-wing, single engine Jazzair LLC
Erie, Colorado
Standard 2008-12-16 ValidFAA registration status code V: Valid registration. All codes
N9216P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Nebraska
Standard 2008-12-16 ValidFAA registration status code V: Valid registration. All codes
N113MV Socata
TB21
Fixed-wing, single engine Rettig Air LLC
Riverside, California
Standard 2008-12-12 ValidFAA registration status code V: Valid registration. All codes
N667CH Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2008-12-12 ValidFAA registration status code V: Valid registration. All codes
N6149Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2008-12-09 ValidFAA registration status code V: Valid registration. All codes
N203CA Piper
PA 46-350P
Fixed-wing, single engine Strasbaugh Development CORP
San Luis Obispo, California
Standard 2008-11-21 ValidFAA registration status code V: Valid registration. All codes
N8087E Piper
PA-32R-301T
Fixed-wing, single engine Jd Aviation INC
Muskegon, Michigan
Standard 2008-11-21 ValidFAA registration status code V: Valid registration. All codes
N9453P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2008-11-21 ValidFAA registration status code V: Valid registration. All codes
N477MH Rockwell International
700
Fixed-wing, multi-engine Gulf Flight INC
Oldsmar, Florida
Standard 2008-11-20 ValidFAA registration status code V: Valid registration. All codes
N7559K Cessna
P210N
Fixed-wing, single engine Skyway II LLC
Naples, Florida
Standard 2008-11-20 ValidFAA registration status code V: Valid registration. All codes
N47977 Piper
PA-32R-300
Fixed-wing, single engine Cossi Restaurant CORP
Ballston Spa, New York
Standard 2008-11-19 ValidFAA registration status code V: Valid registration. All codes
N84368 Piper
PA-32R-301T
Fixed-wing, single engine N84368 LLC
Colorado Springs, Colorado
Standard 2008-11-14 ValidFAA registration status code V: Valid registration. All codes
N9163P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2008-11-06 ValidFAA registration status code V: Valid registration. All codes
N900AK Smith
AEROSTAR 601P
Fixed-wing, multi-engine Northern Aviation LLC
Palmer, Alaska
Standard 2008-11-03 ValidFAA registration status code V: Valid registration. All codes
N21VT Smith
AEROSTAR 600
Fixed-wing, multi-engine Cle Aviation LLC
Palm Beach Gardens, Florida
Standard 2008-10-30 ValidFAA registration status code V: Valid registration. All codes
N391MG Piper
PA-23-250
Fixed-wing, multi-engine Hagedorn Aviation INC
Columbus, Ohio
Standard 2008-10-30 ValidFAA registration status code V: Valid registration. All codes
N321KA Piper
PA-32R-301T
Fixed-wing, single engine Mid Valley Air LLC
Jessup, Pennsylvania
Standard 2008-10-29 ValidFAA registration status code V: Valid registration. All codes
N114RC Rockwell International
114
Fixed-wing, single engine Co-owned owner
Montana
Standard 2008-10-28 ValidFAA registration status code V: Valid registration. All codes
N53668 Piper
PA32-301XTC
Fixed-wing, single engine Xtra Aviation LLC
Redwood City, California
Standard 2008-10-28 ValidFAA registration status code V: Valid registration. All codes
N9561K Piper
PA-32-300
Fixed-wing, single engine Individual owner
Minnesota
Standard 2008-10-28 ValidFAA registration status code V: Valid registration. All codes
N4055B Bellanca
17-31A
Fixed-wing, single engine Viking Aviation LLC
York, Nebraska
Standard 2008-10-22 ValidFAA registration status code V: Valid registration. All codes
N303C Piper
PA-32R-301T
Fixed-wing, single engine Gtair LLC
Ridgedale, Missouri
Standard 2008-10-16 ValidFAA registration status code V: Valid registration. All codes
N78GS Piper
PA-23-250
Fixed-wing, multi-engine Air Mods and Repair CORP
Robbinsville, New Jersey
Standard 2008-10-14 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.