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
N9835D Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kentucky
Standard 2015-09-14 ValidFAA registration status code V: Valid registration. All codes
N8359M Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2015-09-11 ValidFAA registration status code V: Valid registration. All codes
N54224 Piper
PA-23-250
Fixed-wing, multi-engine Coosa Air LLC
Rome, Georgia
Standard 2015-09-10 ValidFAA registration status code V: Valid registration. All codes
N8713P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Illinois
Standard 2015-09-10 ValidFAA registration status code V: Valid registration. All codes
N841PS Piper
PA-24-260
Fixed-wing, single engine Livin the Dream Aviation LLC
Jupiter, Florida
Standard 2015-09-08 ValidFAA registration status code V: Valid registration. All codes
N21WD Smith
AEROSTAR 600
Fixed-wing, multi-engine Mullens Aviation LLC
Estero, Florida
Standard 2015-09-04 ValidFAA registration status code V: Valid registration. All codes
N333BP Piper
PA-32-300
Fixed-wing, single engine St Lucie Aviation LLC
Fort Pierce, Florida
Standard 2015-09-04 ValidFAA registration status code V: Valid registration. All codes
N2054Z Cessna
T182T
Fixed-wing, single engine Rp3 LLC
Boise, Idaho
Standard 2015-09-03 ValidFAA registration status code V: Valid registration. All codes
N40747 Piper
PA-32-300
Fixed-wing, single engine Cherokee Flyers LLC
Austin, Texas
Standard 2015-09-02 ValidFAA registration status code V: Valid registration. All codes
N54861 Piper
PA-23-250
Fixed-wing, multi-engine Fly Car Aviation LLC
North Fort Myers, Florida
Standard 2015-09-02 ValidFAA registration status code V: Valid registration. All codes
N1908H Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2015-08-31 ValidFAA registration status code V: Valid registration. All codes
N38725 Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2015-08-31 ValidFAA registration status code V: Valid registration. All codes
N63886 Piper
PA-23-250
Fixed-wing, multi-engine Red State LLC
Daytona Beach, Florida
Standard 2015-08-31 ValidFAA registration status code V: Valid registration. All codes
N3067Q Piper
PA-32R-300
Fixed-wing, single engine Kpw Enterprises INC
Chula Vista, California
Special flight permit 2015-08-28 ValidFAA registration status code V: Valid registration. All codes
N2070R Mooney
M20M
Fixed-wing, single engine Rosies Procurment LLC
Midlothian, Texas
Standard 2015-08-27 ValidFAA registration status code V: Valid registration. All codes
N681DL Piper
PA-32-260
Fixed-wing, single engine Hampton Michael D
Marshfield, Missouri
Standard 2015-08-26 ValidFAA registration status code V: Valid registration. All codes
N9293Y Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Iowa
Standard 2015-08-26 ValidFAA registration status code V: Valid registration. All codes
N4742F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2015-08-25 ValidFAA registration status code V: Valid registration. All codes
N21727 Piper
PA-32RT-300T
Fixed-wing, single engine Centennial CORP
Reno, Nevada
Standard 2015-08-24 ValidFAA registration status code V: Valid registration. All codes
N3945X Piper
PA-32-300
Fixed-wing, single engine Individual owner
Washington
Standard 2015-08-24 ValidFAA registration status code V: Valid registration. All codes
N7772W Cessna
182T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2015-08-18 ValidFAA registration status code V: Valid registration. All codes
N5223S Cessna
T206H
Fixed-wing, single engine Individual owner
Texas
Standard 2015-08-17 ValidFAA registration status code V: Valid registration. All codes
N3099E Piper
PA-32R-301T
Fixed-wing, single engine Lustig Consulting LLC
Mount Pleasant, South Carolina
Standard 2015-08-12 ValidFAA registration status code V: Valid registration. All codes
N987DS Piper
PA-31-310
Fixed-wing, multi-engine Mission Boston D-Day LLC
Parker, Colorado
Standard 2015-08-11 ValidFAA registration status code V: Valid registration. All codes
N7332V Bellanca
17-31
Fixed-wing, single engine Individual owner
Minnesota
Standard 2015-08-10 ValidFAA registration status code V: Valid registration. All codes
N6038Z Commander Aircraft Co
114TC
Fixed-wing, single engine Flying C LLC
Oro Valley, Arizona
Standard 2015-08-03 ValidFAA registration status code V: Valid registration. All codes
N3214W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2015-07-29 ValidFAA registration status code V: Valid registration. All codes
N9251P Piper
PA-24-260
Fixed-wing, single engine Salori Aviation LLC
Centralia, Missouri
Standard 2015-07-27 ValidFAA registration status code V: Valid registration. All codes
N2416M Piper
PA-32R-300
Fixed-wing, single engine Sun South Aviation LLC
Wilmington, Delaware
Standard 2015-07-21 ValidFAA registration status code V: Valid registration. All codes
N300HV Piper
PA-32-300
Fixed-wing, single engine Baja Flyers CORP INC
San Diego, California
Standard 2015-07-21 ValidFAA registration status code V: Valid registration. All codes
N6475L Piper
PA-31-310
Fixed-wing, multi-engine Terra Flight Aerial Imaging INC
Spring, Texas
Restricted 2015-07-20 ValidFAA registration status code V: Valid registration. All codes
N227EM Piper
PA-32R-301T
Fixed-wing, single engine Visceral Technologies LLC
Yulee, Florida
Standard 2015-07-17 ValidFAA registration status code V: Valid registration. All codes
N400US Cessna
T182T
Fixed-wing, single engine United States Aviation Underwriters INC
Millington, Tennessee
Standard 2015-07-17 ValidFAA registration status code V: Valid registration. All codes
N878BT Piper
PA-32R-301T
Fixed-wing, single engine Blue Paradise Aviation LLC
Clive, Iowa
Standard 2015-07-17 ValidFAA registration status code V: Valid registration. All codes
N206RP Cessna
T206H
Fixed-wing, single engine Finley Aviation LLC
Fort Worth, Texas
Standard 2015-07-13 ValidFAA registration status code V: Valid registration. All codes
N6193Y Piper
PA-23-250
Fixed-wing, multi-engine Matthews Aviation LLC
Hardinsburg, Kentucky
Standard 2015-07-07 ValidFAA registration status code V: Valid registration. All codes
N8AQ Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2015-06-30 ValidFAA registration status code V: Valid registration. All codes
N9020P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2015-06-30 ValidFAA registration status code V: Valid registration. All codes
N768PE Piper
PA-31-310
Fixed-wing, multi-engine Mts INC
Middletown, Delaware
Standard 2015-06-11 ValidFAA registration status code V: Valid registration. All codes
N53685 Piper
PA32-301XTC
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2015-06-10 ValidFAA registration status code V: Valid registration. All codes
N844T Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Colorado
Standard 2015-06-10 ValidFAA registration status code V: Valid registration. All codes
N17MC Piper
PA-32-300
Fixed-wing, single engine Maplecross Wealth Management LLC
Cookeville, Tennessee
Standard 2015-06-09 ValidFAA registration status code V: Valid registration. All codes
N4420W Beech
B-60
Fixed-wing, multi-engine Odonata LLC
Lewiston, Idaho
Standard 2015-06-01 ValidFAA registration status code V: Valid registration. All codes
N32117 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nevada
Standard 2015-05-28 ValidFAA registration status code V: Valid registration. All codes
N626DB Cessna
T206H
Fixed-wing, single engine Jims Air LLC
Oconomowoc, Wisconsin
Standard 2015-05-28 ValidFAA registration status code V: Valid registration. All codes
N4107Q Piper
PA-31-350
Fixed-wing, multi-engine Grant Aviation INC
Anchorage, Alaska
Standard 2015-05-19 ValidFAA registration status code V: Valid registration. All codes
N8843P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2015-05-14 ValidFAA registration status code V: Valid registration. All codes
N3038B Piper
PA-28-236
Fixed-wing, single engine Jpsm Aircraft LLC
San Mateo, California
Standard 2015-05-05 ValidFAA registration status code V: Valid registration. All codes
N82532 Piper
PA-32-301T
Fixed-wing, single engine Smithy Grain INC
Presho, South Dakota
Standard 2015-05-05 ValidFAA registration status code V: Valid registration. All codes
N2168F Mooney
M20M
Fixed-wing, single engine Co-owned owner
West Virginia
Standard 2015-05-01 ValidFAA registration status code V: Valid registration. All codes
N54097 Piper
PA-23-250
Fixed-wing, multi-engine Piper Nia 1 LLC
Doylestown, Pennsylvania
Standard 2015-04-22 ValidFAA registration status code V: Valid registration. All codes
N9288P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kansas
Standard 2015-04-22 ValidFAA registration status code V: Valid registration. All codes
N55510 Socata
TB21TC
Fixed-wing, single engine Western Community College Area DBA
Scottsbluff, Nebraska
Standard 2015-04-17 ValidFAA registration status code V: Valid registration. All codes
N4742W Rockwell International
114
Fixed-wing, single engine Individual owner
Colorado
Standard 2015-04-14 ValidFAA registration status code V: Valid registration. All codes
N356ME Cessna
182S
Fixed-wing, single engine Glass Cockpit Aviation-Sunvalley LLC
Hailey, Idaho
Standard 2015-04-13 ValidFAA registration status code V: Valid registration. All codes
N4140R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2015-04-13 ValidFAA registration status code V: Valid registration. All codes
N3589X Piper
PA-31-350
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2015-04-09 ValidFAA registration status code V: Valid registration. All codes
N698VW Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
New York
Restricted 2015-04-08 ValidFAA registration status code V: Valid registration. All codes
N9524Q Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2015-04-08 ValidFAA registration status code V: Valid registration. All codes
N14368 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2015-04-07 ValidFAA registration status code V: Valid registration. All codes
N811PJ Aero Commander
500 S
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2015-04-02 ValidFAA registration status code V: Valid registration. All codes
N4086W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Virginia
Standard 2015-03-31 ValidFAA registration status code V: Valid registration. All codes
N21HG Piper
PA-31-350
Fixed-wing, multi-engine Drisco LLC
Ponca City, Oklahoma
Standard 2015-03-30 ValidFAA registration status code V: Valid registration. All codes
N5787Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Missouri
Standard 2015-03-19 ValidFAA registration status code V: Valid registration. All codes
N125AK Cessna
T182T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2015-03-11 ValidFAA registration status code V: Valid registration. All codes
N2378Y Cessna
T206H
Fixed-wing, single engine Lindsey Aviation Services
Haslet, Texas
Standard 2015-03-11 ValidFAA registration status code V: Valid registration. All codes
N4109F Piper
PA-31-325
Fixed-wing, multi-engine B&C Blue Sky II LLC
Augusta, Georgia
Standard 2015-03-10 ValidFAA registration status code V: Valid registration. All codes
N9212Y Piper
PA 31P 350
Fixed-wing, multi-engine S & B Foundation Air LLC
Auburn, Alabama
Standard 2015-03-10 ValidFAA registration status code V: Valid registration. All codes
N14207 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2015-03-09 ValidFAA registration status code V: Valid registration. All codes
N9084P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Connecticut
Standard 2015-03-09 ValidFAA registration status code V: Valid registration. All codes
N4066R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2015-03-04 ValidFAA registration status code V: Valid registration. All codes
N333PB Piper
PA-23-250
Fixed-wing, multi-engine Bourne Hoppe & Associates LLC
Midland, Michigan
Standard 2015-03-03 ValidFAA registration status code V: Valid registration. All codes
N204PC Piper
PA-32-300
Fixed-wing, single engine Hestertown Aviation LLC
Monroe, Georgia
Standard 2015-02-26 ValidFAA registration status code V: Valid registration. All codes
N15RE Piper
PA-23-250
Fixed-wing, multi-engine Great Alaskan Flooring INC
Kodiak, Alaska
Standard 2015-02-25 ValidFAA registration status code V: Valid registration. All codes
N6856F Piper
PA-32R-300
Fixed-wing, single engine Schuybroek Aviation INC
Dover, Delaware
Standard 2015-02-24 ValidFAA registration status code V: Valid registration. All codes
N661PC Cessna
T182T
Fixed-wing, single engine 661Pc LLC
New Rockford, North Dakota
Standard 2015-02-20 ValidFAA registration status code V: Valid registration. All codes
N17286 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2015-02-19 ValidFAA registration status code V: Valid registration. All codes
N9505E Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2015-02-17 ValidFAA registration status code V: Valid registration. All codes
N4334T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2015-02-09 ValidFAA registration status code V: Valid registration. All codes
N4139S Piper
PA-32R-301T
Fixed-wing, single engine Kdj LLC
Wilmington, Delaware
Standard 2015-02-02 ValidFAA registration status code V: Valid registration. All codes
N8062T Piper
PA-32R-301
Fixed-wing, single engine Individual owner
California
Standard 2015-01-30 ValidFAA registration status code V: Valid registration. All codes
N2142S Cessna
T182T
Fixed-wing, single engine Dbm Farms INC
Clarksdale, Mississippi
Standard 2015-01-22 ValidFAA registration status code V: Valid registration. All codes
N6707F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Kentucky
Special flight permit 2015-01-15 ValidFAA registration status code V: Valid registration. All codes
N464SP Piper
PA-32-300
Fixed-wing, single engine Meshik Ground Service LLC
Port Heiden, Alaska
Standard 2015-01-14 ValidFAA registration status code V: Valid registration. All codes
N7678V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
Texas
Restricted 2015-01-12 ValidFAA registration status code V: Valid registration. All codes
N154BZ Mooney
M20M
Fixed-wing, single engine Individual owner
New Jersey
Standard 2015-01-09 ValidFAA registration status code V: Valid registration. All codes
N39671 Piper
PA-32-300
Fixed-wing, single engine N39671 Aviation LLC
Wilmington, Delaware
Standard 2015-01-07 ValidFAA registration status code V: Valid registration. All codes
N110AV Carter Jay
PAV4
Rotorcraft Individual owner
Texas
Experimental 2015-01-05 ValidFAA registration status code V: Valid registration. All codes
N600JK Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2015-01-02 ValidFAA registration status code V: Valid registration. All codes
N253KM Mooney
M20M
Fixed-wing, single engine N285Dc LLC
Kelso, Washington
Standard 2014-12-31 ValidFAA registration status code V: Valid registration. All codes
N4136R Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2014-12-29 ValidFAA registration status code V: Valid registration. All codes
N6190U Piper
PA-31
Fixed-wing, multi-engine Individual owner
Utah
Standard 2014-12-18 ValidFAA registration status code V: Valid registration. All codes
N9781E Bellanca
17-31A
Fixed-wing, single engine Individual owner
Illinois
Standard 2014-12-16 ValidFAA registration status code V: Valid registration. All codes
N879CB Mooney
M20M
Fixed-wing, single engine Individual owner
New York
Standard 2014-12-10 ValidFAA registration status code V: Valid registration. All codes
N5910V Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2014-12-09 ValidFAA registration status code V: Valid registration. All codes
N8914W Piper
PA-28-235
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-12-09 ValidFAA registration status code V: Valid registration. All codes
N139CA Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2014-12-04 ValidFAA registration status code V: Valid registration. All codes
N9752Q Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2014-12-02 ValidFAA registration status code V: Valid registration. All codes
N8006Q Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Georgia
Standard 2014-11-24 ValidFAA registration status code V: Valid registration. All codes
N6011Y Piper
PA-23-250
Fixed-wing, multi-engine Tab Associates INC DBA
Port Saint Lucie, Florida
Standard 2014-11-21 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.