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
N4123W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2003-12-24 ValidFAA registration status code V: Valid registration. All codes
N456DA Piper
PA-31-325
Fixed-wing, multi-engine Liberty Air LLC
Christiansted, U.S. Virgin Islands
Standard 2003-12-19 ValidFAA registration status code V: Valid registration. All codes
N21493 Cessna
T206H
Fixed-wing, single engine Individual owner
Florida
Standard 2003-12-05 ValidFAA registration status code V: Valid registration. All codes
N8666N Piper
PA-32-300
Fixed-wing, single engine Tlc Aviation LTD
Virginia Beach, Virginia
Standard 2003-11-22 ValidFAA registration status code V: Valid registration. All codes
N66JW Piper
PA-23-250
Fixed-wing, multi-engine Nowell Borders Equipment G P INC
Edinburg, Texas
Standard 2003-11-19 ValidFAA registration status code V: Valid registration. All codes
N15316 Piper
PA-32-300
Fixed-wing, single engine Drmm Aviation LLC
South Beloit, Illinois
Standard 2003-11-08 ValidFAA registration status code V: Valid registration. All codes
N63FM Mooney
M20M
Fixed-wing, single engine 63 Foxmike INC
Wilmington, Delaware
Standard 2003-10-24 ValidFAA registration status code V: Valid registration. All codes
N38997 Piper
PA-32R-300
Fixed-wing, single engine Blg Air INC
State College, Pennsylvania
Standard 2003-10-10 ValidFAA registration status code V: Valid registration. All codes
N5207S Piper
PA-32-300
Fixed-wing, single engine Ohio Air Enterprises LLC
Lancaster, Ohio
Standard 2003-10-02 ValidFAA registration status code V: Valid registration. All codes
N9171P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2003-09-25 ValidFAA registration status code V: Valid registration. All codes
N8690P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Colorado
Standard 2003-09-23 ValidFAA registration status code V: Valid registration. All codes
N27850 Piper
PA-31-310
Fixed-wing, multi-engine Presby Aire LLC
Berlin, New Hampshire
Standard 2003-09-22 ValidFAA registration status code V: Valid registration. All codes
N6174J Piper
PA-32R-300
Fixed-wing, single engine Aloms Enterprises LLC
Marietta, Georgia
Standard 2003-09-09 ValidFAA registration status code V: Valid registration. All codes
N4418T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2003-08-26 ValidFAA registration status code V: Valid registration. All codes
N8692P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2003-08-25 ValidFAA registration status code V: Valid registration. All codes
N5015H Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2003-08-20 ValidFAA registration status code V: Valid registration. All codes
N1315B Cessna
T182T
Fixed-wing, single engine N1315B Aviation LLC
Wilmington, Delaware
Standard 2003-08-01 ValidFAA registration status code V: Valid registration. All codes
N6843Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
California
Standard 2003-07-24 ValidFAA registration status code V: Valid registration. All codes
N7FM Piper
PA-32-300
Fixed-wing, single engine Appalachian Racing Aviation LLC
Johnson City, Tennessee
Standard 2003-07-15 ValidFAA registration status code V: Valid registration. All codes
N51824 Cessna
T206H
Fixed-wing, single engine US Department of Homeland Security
Washington, District of Columbia
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N54811 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Maryland
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N674TC Cessna
T206H
Fixed-wing, single engine US Department of Homeland Security
Washington, District of Columbia
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N721CE Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N839SA Cessna
T206H
Fixed-wing, single engine US Department of Homeland Security
Washington, District of Columbia
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N9494C Piper
PA-32-300
Fixed-wing, single engine Individual owner
Washington
Standard 2003-06-25 ValidFAA registration status code V: Valid registration. All codes
N5219E Cessna
T206H
Fixed-wing, single engine US Department of Homeland Security
Washington, District of Columbia
Standard 2003-06-05 ValidFAA registration status code V: Valid registration. All codes
N6HT Cessna
T206H
Fixed-wing, single engine Colorado By Air LLC
Salida, Colorado
Standard 2003-06-05 ValidFAA registration status code V: Valid registration. All codes
N3800W Piper
PA-32-300
Fixed-wing, single engine Jdj Transport LLC
Wilmington, Delaware
Standard 2003-05-23 ValidFAA registration status code V: Valid registration. All codes
N69LH Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2003-05-22 ValidFAA registration status code V: Valid registration. All codes
N27682 Piper
PA-31-350
Fixed-wing, multi-engine D and R Hobbs Properties LLC
Rogers, Arkansas
Standard 2003-03-27 ValidFAA registration status code V: Valid registration. All codes
N284HB Piper
PA-31-325
Fixed-wing, multi-engine Aviatiek LLC
Hudsonville, Michigan
Standard 2003-03-26 ValidFAA registration status code V: Valid registration. All codes
N7576Y Piper
PA-23-250
Fixed-wing, multi-engine J & P Toys INC
Fort Myers, Florida
Standard 2003-03-20 ValidFAA registration status code V: Valid registration. All codes
N4167A Piper
PA 46-350P
Fixed-wing, single engine Williams Mirage LLC
Denver, Colorado
Standard 2003-03-19 ValidFAA registration status code V: Valid registration. All codes
N3163Q Piper
PA-32R-300
Fixed-wing, single engine Lakefield Lance LTD
Coldwater, Ohio
Standard 2003-03-18 ValidFAA registration status code V: Valid registration. All codes
N2190B Piper
PA-32RT-300
Fixed-wing, single engine Veritas Aero LLC
West Lafayette, Indiana
Standard 2003-03-17 ValidFAA registration status code V: Valid registration. All codes
N39886 Bellanca
17-30A
Fixed-wing, single engine Individual owner
Minnesota
Standard 2003-03-17 ValidFAA registration status code V: Valid registration. All codes
N116RC Rockwell International
114
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2003-03-13 ValidFAA registration status code V: Valid registration. All codes
N374P Piper
PA-23-250
Fixed-wing, multi-engine Davhen Aero LLC
Anderson, South Carolina
Standard 2003-03-06 ValidFAA registration status code V: Valid registration. All codes
N9132P Piper
PA-24-260
Fixed-wing, single engine Individual owner
South Dakota
Standard 2003-02-27 ValidFAA registration status code V: Valid registration. All codes
N59BB Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2003-02-24 ValidFAA registration status code V: Valid registration. All codes
N22316 Mooney
M20M
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2003-01-29 ValidFAA registration status code V: Valid registration. All codes
N3586D Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2003-01-24 ValidFAA registration status code V: Valid registration. All codes
N180G Aero Commander
500-B
Fixed-wing, multi-engine Ada Forestry Division
Malvern, Arkansas
Standard 2003-01-21 ValidFAA registration status code V: Valid registration. All codes
N4361K Piper
PA-32R-301T
Fixed-wing, single engine Four Way Aviation INC
Spring, Texas
Standard 2003-01-06 ValidFAA registration status code V: Valid registration. All codes
N851TA Cessna
T182T
Fixed-wing, single engine Harrell & Assoc An Accountancy CORP
Santa Ana, California
Standard 2002-12-31 ValidFAA registration status code V: Valid registration. All codes
N152SW Piper
PA-28-236
Fixed-wing, single engine Djct LLC
Brown Summit, North Carolina
Standard 2002-12-20 ValidFAA registration status code V: Valid registration. All codes
N818AH Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2002-12-09 ValidFAA registration status code V: Valid registration. All codes
N5649Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2002-12-06 ValidFAA registration status code V: Valid registration. All codes
N2405M Piper
PA-23-250
Fixed-wing, multi-engine Free Flyers Avionics INC
Kerkhoven, Minnesota
Standard 2002-11-08 ValidFAA registration status code V: Valid registration. All codes
N33133 Piper
PA-32-300
Fixed-wing, single engine Balisier Aviation INC Trustee
Wilmington, Delaware
Standard 2002-10-29 ValidFAA registration status code V: Valid registration. All codes
N9023P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2002-10-17 ValidFAA registration status code V: Valid registration. All codes
N8957P Piper
PA-24-260
Fixed-wing, single engine Individual owner
South Carolina
Standard 2002-09-13 ValidFAA registration status code V: Valid registration. All codes
N164J Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2002-09-11 ValidFAA registration status code V: Valid registration. All codes
N7671F Piper
PA-32-300
Fixed-wing, single engine Pedal Valves INC
Luling, Louisiana
Standard 2002-08-27 ValidFAA registration status code V: Valid registration. All codes
N32197 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2002-08-14 ValidFAA registration status code V: Valid registration. All codes
N43HB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Louisiana
Standard 2002-07-30 ValidFAA registration status code V: Valid registration. All codes
N8320P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Kansas
Standard 2002-07-30 ValidFAA registration status code V: Valid registration. All codes
N6880J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2002-07-26 ValidFAA registration status code V: Valid registration. All codes
N154BJ Piper
PA-32R-300
Fixed-wing, single engine Dent Air LTD
Annapolis, Maryland
Standard 2002-07-25 ValidFAA registration status code V: Valid registration. All codes
N8196P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Ohio
Standard 2002-07-25 ValidFAA registration status code V: Valid registration. All codes
N4092R Piper
PA-32-300
Fixed-wing, single engine Wings of Eagles LLC
Saline, Michigan
Standard 2002-07-24 ValidFAA registration status code V: Valid registration. All codes
N51710 Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2002-07-23 ValidFAA registration status code V: Valid registration. All codes
N4294P Piper
PA-32R-301T
Fixed-wing, single engine Aex Enterprises LLC
Alexandria, Louisiana
Standard 2002-07-05 ValidFAA registration status code V: Valid registration. All codes
N1122E Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2002-06-28 ValidFAA registration status code V: Valid registration. All codes
N57262 Rockwell International
500-S
Fixed-wing, multi-engine Steelesky LTD
Maineville, Ohio
Standard 2002-06-26 ValidFAA registration status code V: Valid registration. All codes
N779MR Piper
PA-23-250
Fixed-wing, multi-engine Rock N Robins Flying Service LLC
Palm City, Florida
Standard 2002-06-26 ValidFAA registration status code V: Valid registration. All codes
N415VA Piper
PA 46-350P
Fixed-wing, single engine Vel-Air INC
Clifton, Virginia
Standard 2002-06-19 ValidFAA registration status code V: Valid registration. All codes
N325DS Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2002-06-12 ValidFAA registration status code V: Valid registration. All codes
N4691F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2002-06-05 ValidFAA registration status code V: Valid registration. All codes
N39619 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2002-05-22 ValidFAA registration status code V: Valid registration. All codes
N371WA Piper
PA-31-325
Fixed-wing, multi-engine Akro Attitudes INC
Lighthouse Point, Florida
Standard 2002-05-20 ValidFAA registration status code V: Valid registration. All codes
N8840P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2002-05-16 ValidFAA registration status code V: Valid registration. All codes
N8689E Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2002-05-08 ValidFAA registration status code V: Valid registration. All codes
N5629Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2002-05-04 ValidFAA registration status code V: Valid registration. All codes
N77TT Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Michigan
Standard 2002-05-02 ValidFAA registration status code V: Valid registration. All codes
N5942F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2002-04-23 ValidFAA registration status code V: Valid registration. All codes
N6875Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Idaho
Standard 2002-04-12 ValidFAA registration status code V: Valid registration. All codes
N4383D Piper
PA-32R-301T
Fixed-wing, single engine Flying A Charters LLC
Wilmington, Delaware
Standard 2002-04-11 ValidFAA registration status code V: Valid registration. All codes
N87TS Piper
PA-31-310
Fixed-wing, multi-engine Rwr Air INC
Tok, Alaska
Standard 2002-04-10 ValidFAA registration status code V: Valid registration. All codes
N8124Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Kentucky
Standard 2002-04-08 ValidFAA registration status code V: Valid registration. All codes
N188AB Piper
PA-32-300
Fixed-wing, single engine Safford Aviation Service INC
Coolidge, Arizona
Standard 2002-03-27 ValidFAA registration status code V: Valid registration. All codes
N300BX Mooney
M20M
Fixed-wing, single engine Withheld at owner's request
Standard 2002-03-22 ValidFAA registration status code V: Valid registration. All codes
N3506Y Cessna
T206H
Fixed-wing, single engine Cascade Commodities LLC
Saint Paul, Minnesota
Standard 2002-03-07 ValidFAA registration status code V: Valid registration. All codes
N3538R Cessna
T206H
Fixed-wing, single engine US Department of Homeland Security
Washington, District of Columbia
Standard 2002-03-07 ValidFAA registration status code V: Valid registration. All codes
N5143Q Cessna
T182T
Fixed-wing, single engine Individual owner
Oregon
Standard 2002-03-07 ValidFAA registration status code V: Valid registration. All codes
N9298D Piper
PA-32R-301T
Fixed-wing, single engine Aims Air LLC
Kingsport, Tennessee
Experimental 2002-03-05 ValidFAA registration status code V: Valid registration. All codes
N324PA Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2002-03-01 ValidFAA registration status code V: Valid registration. All codes
N100XR Piper
PA-31-350
Fixed-wing, multi-engine Tomsis CORP
Panama City, Florida
Standard 2002-02-27 ValidFAA registration status code V: Valid registration. All codes
N16EM Piper
PA-32R-300
Fixed-wing, single engine B J Air LTD
Howard, Ohio
Standard 2002-02-15 ValidFAA registration status code V: Valid registration. All codes
N9430P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kentucky
Standard 2002-02-13 ValidFAA registration status code V: Valid registration. All codes
N318CW Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Tennessee
Standard 2002-02-08 ValidFAA registration status code V: Valid registration. All codes
N41866 Piper
PA-32R-301T
Fixed-wing, single engine Racy Equipment Leasing LLC
Tucson, Arizona
Standard 2002-02-08 ValidFAA registration status code V: Valid registration. All codes
N35438 Cessna
T206H
Fixed-wing, single engine Kern County Sheriffs Department
Bakersfield, California
Standard 2002-02-06 ValidFAA registration status code V: Valid registration. All codes
N923SD Cessna
T206H
Fixed-wing, single engine Fresno County Sheriffs Department
Fresno, California
Standard 2002-02-05 ValidFAA registration status code V: Valid registration. All codes
N72758 Cessna
T182T
Fixed-wing, single engine Individual owner
Washington
Standard 2002-01-23 ValidFAA registration status code V: Valid registration. All codes
N4182W Piper
PA-32-300
Fixed-wing, single engine November Four One Eight Two Whiskey LLC
Fulton, Missouri
Standard 2002-01-22 ValidFAA registration status code V: Valid registration. All codes
N5066H Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2002-01-17 ValidFAA registration status code V: Valid registration. All codes
N244AC Aero Commander
500 S
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2002-01-08 ValidFAA registration status code V: Valid registration. All codes
N267JM Cessna
T206H
Fixed-wing, single engine Mathews Development CO
Santa Rosa Beach, Florida
Standard 2002-01-04 ValidFAA registration status code V: Valid registration. All codes
N664RS Piper
PA 46-350P
Fixed-wing, single engine Malibu INC
Dover, Delaware
Standard 2001-12-31 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.