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
N635R Cessna
310
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2011-09-14 ValidFAA registration status code V: Valid registration. All codes
N910MA Cessna
T206H
Fixed-wing, single engine Bbmd LLC
Wichita, Kansas
Standard 2011-09-10 ValidFAA registration status code V: Valid registration. All codes
N5742Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
U.S. Virgin Islands
Standard 2011-09-09 ValidFAA registration status code V: Valid registration. All codes
N166CP Cessna
T182T
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-09-01 ValidFAA registration status code V: Valid registration. All codes
N795MA Piper
PA 46-350P
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-09-01 ValidFAA registration status code V: Valid registration. All codes
N66005 Cessna
T182T
Fixed-wing, single engine Slp III 1 LLC
Columbia, Missouri
Standard 2011-08-22 ValidFAA registration status code V: Valid registration. All codes
N8850P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2011-08-16 ValidFAA registration status code V: Valid registration. All codes
N637TB Piper
PA-23-250
Fixed-wing, multi-engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-08-09 ValidFAA registration status code V: Valid registration. All codes
N713WT Piper
PA-31-350
Fixed-wing, multi-engine Wtw Air LLC
Houston, Texas
Standard 2011-08-05 ValidFAA registration status code V: Valid registration. All codes
N9467P Piper
PA-24-260
Fixed-wing, single engine River Aviation LLC
Wilmington, Delaware
Standard 2011-08-05 ValidFAA registration status code V: Valid registration. All codes
N857WA Piper
PA-32R-301T
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2011-08-04 ValidFAA registration status code V: Valid registration. All codes
N9884K Piper
PA-32-300
Fixed-wing, single engine Salt Air INC
Wilmington, Delaware
Standard 2011-08-03 ValidFAA registration status code V: Valid registration. All codes
N369TC Cessna
T182T
Fixed-wing, single engine Co-owned owner
Washington
Standard 2011-07-22 ValidFAA registration status code V: Valid registration. All codes
N5671Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2011-07-20 ValidFAA registration status code V: Valid registration. All codes
N101CE Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2011-07-15 ValidFAA registration status code V: Valid registration. All codes
N8948N Piper
PA-32-300
Fixed-wing, single engine C6 Flying LLC
North Logan, Utah
Standard 2011-07-14 ValidFAA registration status code V: Valid registration. All codes
N256MB Cessna
T206H
Fixed-wing, single engine Munobraca LLC
Mcallen, Texas
Standard 2011-07-07 ValidFAA registration status code V: Valid registration. All codes
N4067W Piper
PA-32-300
Fixed-wing, single engine Bluestone Land LLC
Charlottesville, Virginia
Standard 2011-07-06 ValidFAA registration status code V: Valid registration. All codes
N8610P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2011-07-05 ValidFAA registration status code V: Valid registration. All codes
N9369P Piper
PA-24-260
Fixed-wing, single engine Loadstone Aviation LLC
Billings, Montana
Standard 2011-07-05 ValidFAA registration status code V: Valid registration. All codes
N4119K Piper
PA-32R-301T
Fixed-wing, single engine Le Doux Aviation LLC
Hollis, New Hampshire
Standard 2011-06-28 ValidFAA registration status code V: Valid registration. All codes
N27562 Piper
PA-31-325
Fixed-wing, multi-engine Montcalm-Mcdonald LLC
Mansfield, Louisiana
Standard 2011-06-24 ValidFAA registration status code V: Valid registration. All codes
N5896Y Piper
PA-23-250
Fixed-wing, multi-engine Patentcentral LLC
Hollywood, Florida
Standard 2011-06-24 ValidFAA registration status code V: Valid registration. All codes
N92765 Piper
PA 46-350P
Fixed-wing, single engine N92765 INC Trustee
Wilmington, Delaware
Standard 2011-06-24 ValidFAA registration status code V: Valid registration. All codes
N4055W Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2011-06-23 ValidFAA registration status code V: Valid registration. All codes
N777W Piper
PA-32R-300
Fixed-wing, single engine Lucky Shot LLC
Dayton, Ohio
Standard 2011-06-15 ValidFAA registration status code V: Valid registration. All codes
N62LL Aero Commander
500-A
Fixed-wing, multi-engine Airborne Research LLC
Fort Pierce, Florida
Standard 2011-06-13 ValidFAA registration status code V: Valid registration. All codes
N1575X Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2011-06-09 ValidFAA registration status code V: Valid registration. All codes
N4226R Piper
PA-32-300
Fixed-wing, single engine Clearview Farms LLC
Magnolia, North Carolina
Standard 2011-06-09 ValidFAA registration status code V: Valid registration. All codes
N601AL Smith
AEROSTAR 601
Fixed-wing, multi-engine Valley Group INC
Fishersville, Virginia
Standard 2011-06-03 ValidFAA registration status code V: Valid registration. All codes
N9395P Piper
PA-24-260
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2011-06-01 ValidFAA registration status code V: Valid registration. All codes
N819CC Mooney
M20M
Fixed-wing, single engine Capital Holdings 217 LLC
Jackson, Tennessee
Standard 2011-05-27 ValidFAA registration status code V: Valid registration. All codes
N606CA Piper
PA-23-250
Fixed-wing, multi-engine Cv Wings LLC
Canby, Minnesota
Standard 2011-05-13 ValidFAA registration status code V: Valid registration. All codes
N3537W Cessna
T182T
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2011-05-11 ValidFAA registration status code V: Valid registration. All codes
N62495 Piper
PA-23-250
Fixed-wing, multi-engine Gentrys Flying Service LLC
Prattville, Alabama
Standard 2011-05-11 ValidFAA registration status code V: Valid registration. All codes
N6370Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Wisconsin
Standard 2011-05-09 ValidFAA registration status code V: Valid registration. All codes
N788CA Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Nebraska
Standard 2011-05-06 ValidFAA registration status code V: Valid registration. All codes
N8691P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 2011-05-06 ValidFAA registration status code V: Valid registration. All codes
N8861P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2011-04-14 ValidFAA registration status code V: Valid registration. All codes
N44783 Piper
PA-32-300
Fixed-wing, single engine Family Eye Care Center LLC
Elkins, West Virginia
Standard 2011-04-11 ValidFAA registration status code V: Valid registration. All codes
N6258X Aero Commander
500-B
Fixed-wing, multi-engine J & S Aviation LLC
Fairview, Oklahoma
Standard 2011-04-01 ValidFAA registration status code V: Valid registration. All codes
N111UC Piper
PA-31-350
Fixed-wing, multi-engine Rcht LLC
Mason, Ohio
Standard 2011-03-16 ValidFAA registration status code V: Valid registration. All codes
N95KA Piper
PA-31-350
Fixed-wing, multi-engine Airborne Resources INC
Midlothian, Texas
Standard 2011-03-16 ValidFAA registration status code V: Valid registration. All codes
N206WK Cessna
T206H
Fixed-wing, single engine Kaw CORP
Mcallen, Texas
Standard 2011-03-15 ValidFAA registration status code V: Valid registration. All codes
N54AW Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2011-03-08 ValidFAA registration status code V: Valid registration. All codes
N4102J Piper
PA-31-350
Fixed-wing, multi-engine Carto Flight INC
Willoughby, Ohio
Standard 2011-03-07 ValidFAA registration status code V: Valid registration. All codes
N9212P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Minnesota
Standard 2011-03-07 ValidFAA registration status code V: Valid registration. All codes
N3065B Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Michigan
Standard 2011-03-04 ValidFAA registration status code V: Valid registration. All codes
N82908 Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Kansas
Standard 2011-03-02 ValidFAA registration status code V: Valid registration. All codes
N4809W Rockwell International
114
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2011-02-15 ValidFAA registration status code V: Valid registration. All codes
N8766P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2011-01-26 ValidFAA registration status code V: Valid registration. All codes
N9637K Piper
PA-32R-300
Fixed-wing, single engine Clik Services LLC
Forestdale, Massachusetts
Standard 2011-01-25 ValidFAA registration status code V: Valid registration. All codes
N600JG Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2011-01-24 ValidFAA registration status code V: Valid registration. All codes
N8426C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
California
Standard 2011-01-13 ValidFAA registration status code V: Valid registration. All codes
N9157J Mooney
M20M
Fixed-wing, single engine Akn INC
Crystal, Minnesota
Standard 2011-01-07 ValidFAA registration status code V: Valid registration. All codes
N2464C Cessna
T206H
Fixed-wing, single engine Cantera la Rita INC
San Juan, Puerto Rico
Standard 2011-01-05 ValidFAA registration status code V: Valid registration. All codes
N1049T Mooney
M20M
Fixed-wing, single engine Individual owner
Georgia
Standard 2010-12-23 ValidFAA registration status code V: Valid registration. All codes
N54857 Piper
PA-23-250
Fixed-wing, multi-engine Mach Tuck LLC
Daytona Beach, Florida
Standard 2010-12-20 ValidFAA registration status code V: Valid registration. All codes
N75279 Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2010-12-01 ValidFAA registration status code V: Valid registration. All codes
N107AP Cessna
T206H
Fixed-wing, single engine Individual owner
Alaska
Standard 2010-11-17 ValidFAA registration status code V: Valid registration. All codes
N799GF Cessna
T182T
Fixed-wing, single engine North Dakota Game and Fish Dept
Bismarck, North Dakota
Standard 2010-11-09 ValidFAA registration status code V: Valid registration. All codes
N4296T Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Michigan
Standard 2010-11-04 ValidFAA registration status code V: Valid registration. All codes
N9148P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2010-11-04 ValidFAA registration status code V: Valid registration. All codes
N515PR Cessna
T206H
Fixed-wing, single engine Dog Is My Copilot LLC
Polson, Montana
Standard 2010-10-22 ValidFAA registration status code V: Valid registration. All codes
N826CF Cessna
T182T
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2010-10-15 ValidFAA registration status code V: Valid registration. All codes
N31998 Piper
PA-32RT-300T
Fixed-wing, single engine Lance Group LLC
Moab, Utah
Standard 2010-10-08 ValidFAA registration status code V: Valid registration. All codes
N22VT Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Montana
Standard 2010-10-07 ValidFAA registration status code V: Valid registration. All codes
N377SM Piper
PA-32R-300
Fixed-wing, single engine Jrt Flying CO
Roanoke, Virginia
Standard 2010-10-07 ValidFAA registration status code V: Valid registration. All codes
N24337 Cessna
182S
Fixed-wing, single engine Individual owner
Florida
Standard 2010-10-05 ValidFAA registration status code V: Valid registration. All codes
N816G Beech
D95A
Fixed-wing, multi-engine Holland Travel Air LLC
Holmen, Wisconsin
Standard 2010-10-04 ValidFAA registration status code V: Valid registration. All codes
N9379P Piper
PA-24-260
Fixed-wing, single engine Aerodata INC
Edgewater, Maryland
Standard 2010-09-27 ValidFAA registration status code V: Valid registration. All codes
N5159Q Piper
PA-32R-301T
Fixed-wing, single engine Mdddk LLC
Wilmington, Delaware
Standard 2010-09-24 ValidFAA registration status code V: Valid registration. All codes
N51651 Cessna
T182T
Fixed-wing, single engine Co-owned owner
Montana
Standard 2010-09-24 ValidFAA registration status code V: Valid registration. All codes
N595SM Piper
PA 46-350P
Fixed-wing, single engine Lapoint LLC
Holland, Ohio
Standard 2010-09-16 ValidFAA registration status code V: Valid registration. All codes
N4927F Piper
PA-32R-300
Fixed-wing, single engine
Standard 2010-09-02 ValidFAA registration status code V: Valid registration. All codes
N6480Y Piper
PA-23-250
Fixed-wing, multi-engine Technical Education Services INC
Virginia Beach, Virginia
Standard 2010-08-30 ValidFAA registration status code V: Valid registration. All codes
N4201R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kentucky
Standard 2010-08-26 ValidFAA registration status code V: Valid registration. All codes
N301RT Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2010-08-25 ValidFAA registration status code V: Valid registration. All codes
N8905P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2010-08-25 ValidFAA registration status code V: Valid registration. All codes
N30834 Piper
PA32-301XTC
Fixed-wing, single engine Tribec Group International INC
Medina, Ohio
Standard 2010-08-20 ValidFAA registration status code V: Valid registration. All codes
N694BW Cessna
T182T
Fixed-wing, single engine Otter Creek Aviation LLC
Columbus, Georgia
Standard 2010-08-20 ValidFAA registration status code V: Valid registration. All codes
N15CA Piper
PA-32R-301T
Fixed-wing, single engine Spirit of Life Ministries International INC
Carthage, Texas
Standard 2010-08-19 ValidFAA registration status code V: Valid registration. All codes
N285PS Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Connecticut
Standard 2010-08-19 ValidFAA registration status code V: Valid registration. All codes
N345SE Piper
PA-32R-301T
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2010-08-11 ValidFAA registration status code V: Valid registration. All codes
N100JR Piper
PA-31-310
Fixed-wing, multi-engine Lumland Properties LLC
Winchester, Virginia
Standard 2010-08-04 ValidFAA registration status code V: Valid registration. All codes
N263ME Cessna
T206H
Fixed-wing, single engine Commercial Aerial Images INC
Costa Mesa, California
Standard 2010-08-04 ValidFAA registration status code V: Valid registration. All codes
N9140Z Mooney
M20M
Fixed-wing, single engine Individual owner
Georgia
Standard 2010-08-03 ValidFAA registration status code V: Valid registration. All codes
N9170P Piper
PA-24-260
Fixed-wing, single engine P&S Aviation LLC
White Rock, New Mexico
Standard 2010-07-29 ValidFAA registration status code V: Valid registration. All codes
N328HP Piper
PA-32R-301T
Fixed-wing, single engine Alan C Perry LLC
Lake Charles, Louisiana
Standard 2010-07-28 ValidFAA registration status code V: Valid registration. All codes
N222WB Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2010-07-27 ValidFAA registration status code V: Valid registration. All codes
N69LV Piper
PA-32R-301T
Fixed-wing, single engine Tbd Air LLC
Chatham, Massachusetts
Standard 2010-07-21 ValidFAA registration status code V: Valid registration. All codes
N8806P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2010-07-20 ValidFAA registration status code V: Valid registration. All codes
N9263K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Utah
Standard 2010-07-19 ValidFAA registration status code V: Valid registration. All codes
N874LL Cessna
T182T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2010-06-30 ValidFAA registration status code V: Valid registration. All codes
N9255P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2010-06-25 ValidFAA registration status code V: Valid registration. All codes
N6171H Piper
PA-32R-300
Fixed-wing, single engine Tyler Cherokee 235 LLC
Lindale, Texas
Standard 2010-06-24 ValidFAA registration status code V: Valid registration. All codes
N4139V Piper
PA-32R-301T
Fixed-wing, single engine Bourgogne Aviation INC Owner Trustee
Wilmington, Delaware
Standard 2010-06-08 ValidFAA registration status code V: Valid registration. All codes
N8337C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2010-06-08 ValidFAA registration status code V: Valid registration. All codes
N921CB Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2010-05-28 ValidFAA registration status code V: Valid registration. All codes
N253MA Piper
PA 46-350P
Fixed-wing, single engine Hoosier Doc LLC
South Bend, Indiana
Standard 2010-05-21 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.