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
N356SF Cessna
T206H
Fixed-wing, single engine Sheehan Aviation Family Enterprises LLC
Boise, Idaho
Standard 2020-11-04 ValidFAA registration status code V: Valid registration. All codes
N44PC Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2020-11-03 ValidFAA registration status code V: Valid registration. All codes
N9226K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-11-03 ValidFAA registration status code V: Valid registration. All codes
N109AT Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2020-11-02 ValidFAA registration status code V: Valid registration. All codes
N4053R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2020-11-02 ValidFAA registration status code V: Valid registration. All codes
N5918D Cessna
T182T
Fixed-wing, single engine Skywalker Air LLC
Bellingham, Washington
Standard 2020-10-30 ValidFAA registration status code V: Valid registration. All codes
N744RV Piper
PA 46-350P
Fixed-wing, single engine Austin Aviation LLC
Maumelle, Arkansas
Standard 2020-10-30 ValidFAA registration status code V: Valid registration. All codes
N81ED Piper
PA-31-350
Fixed-wing, multi-engine Nav-Pete LLC
Memphis, Tennessee
Standard 2020-10-30 ValidFAA registration status code V: Valid registration. All codes
N14149 Piper
PA-23-250
Fixed-wing, multi-engine Ninja Turtle LLC
Orlando, Florida
Standard 2020-10-29 ValidFAA registration status code V: Valid registration. All codes
N1805H Piper
PA-32R-300
Fixed-wing, single engine Ironworks Asset Resources LLC
Chesapeake, Virginia
Standard 2020-10-29 ValidFAA registration status code V: Valid registration. All codes
N4262R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2020-10-29 ValidFAA registration status code V: Valid registration. All codes
N269Z Piper
PA-32R-301T
Fixed-wing, single engine Iziair LLC
Mclean, Virginia
Standard 2020-10-28 ValidFAA registration status code V: Valid registration. All codes
N66175 Cessna
T182T
Fixed-wing, single engine Individual owner
Colorado
Standard 2020-10-27 ValidFAA registration status code V: Valid registration. All codes
N8225R Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2020-10-27 ValidFAA registration status code V: Valid registration. All codes
N2843G Piper
PA-32-300
Fixed-wing, single engine Popop CORP
Portland, Oregon
Standard 2020-10-26 ValidFAA registration status code V: Valid registration. All codes
N8719P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2020-10-24 ValidFAA registration status code V: Valid registration. All codes
N66CG Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2020-10-23 ValidFAA registration status code V: Valid registration. All codes
N8790P Piper
PA-24-260
Fixed-wing, single engine Bison Reserved LLC
Chicago, Illinois
Standard 2020-10-23 ValidFAA registration status code V: Valid registration. All codes
N63951 Piper
PA-23-250
Fixed-wing, multi-engine Antonov Aero LLC
Austin, Texas
Standard 2020-10-22 ValidFAA registration status code V: Valid registration. All codes
N919SP Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2020-10-22 ValidFAA registration status code V: Valid registration. All codes
N101MA Piper
PA-31-350
Fixed-wing, multi-engine Pablo Air Charters LLC
New Freedom, Pennsylvania
Standard 2020-10-21 ValidFAA registration status code V: Valid registration. All codes
N9392K Piper
PA-32R-300
Fixed-wing, single engine Devils Lake Aero LLC
Devils Lake, North Dakota
Standard 2020-10-21 ValidFAA registration status code V: Valid registration. All codes
N10YR Cessna
T206H
Fixed-wing, single engine Aj Aviation LLC
Colby, Kansas
Standard 2020-10-19 ValidFAA registration status code V: Valid registration. All codes
N34MA Piper
PA-32-300
Fixed-wing, single engine Lk Air INC
Arlington, Washington
Standard 2020-10-19 ValidFAA registration status code V: Valid registration. All codes
N759C Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2020-10-19 ValidFAA registration status code V: Valid registration. All codes
N872R Piper
PA 46-350P
Fixed-wing, single engine J&J Surveying & Leasing LLC
Jacksonville, Florida
Standard 2020-10-19 ValidFAA registration status code V: Valid registration. All codes
N58BV Cessna
T206H
Fixed-wing, single engine Varney Aviation LLC
Bangor, Maine
Standard 2020-10-17 ValidFAA registration status code V: Valid registration. All codes
N63LT Piper
PA-23-250
Fixed-wing, multi-engine Global Green Initatives LLC
Houston, Texas
Standard 2020-10-16 ValidFAA registration status code V: Valid registration. All codes
N8984N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2020-10-16 ValidFAA registration status code V: Valid registration. All codes
N717GM Piper
PA 46-350P
Fixed-wing, single engine Albatross Aviation LLC
Tazewell, Tennessee
Standard 2020-10-15 ValidFAA registration status code V: Valid registration. All codes
N118JG Piper
PA 46-350P
Fixed-wing, single engine Ropewalk Investments LLC
Wilmington, Delaware
Standard 2020-10-14 ValidFAA registration status code V: Valid registration. All codes
N84SM Piper
AEROSTAR 600
Fixed-wing, multi-engine Rideinsky Aviation LLC
Daytona Beach, Florida
Standard 2020-10-08 ValidFAA registration status code V: Valid registration. All codes
N222PP Piper
PA-32RT-300
Fixed-wing, single engine Preferred Landing LLC
Tomball, Texas
Standard 2020-10-07 ValidFAA registration status code V: Valid registration. All codes
N377US Mooney
M20M
Fixed-wing, single engine Individual owner
Florida
Standard 2020-10-07 ValidFAA registration status code V: Valid registration. All codes
N4AV Ryan
NAVION A
Fixed-wing, single engine Southwest Aircraft LLC
Fairacres, New Mexico
Standard 2020-10-07 ValidFAA registration status code V: Valid registration. All codes
N6253Y Piper
PA-23-250
Fixed-wing, multi-engine Midwest Air LLC
Hartford, South Dakota
Standard 2020-10-02 ValidFAA registration status code V: Valid registration. All codes
N115GT Commander Aircraft Co
114TC
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2020-10-01 ValidFAA registration status code V: Valid registration. All codes
N4857W Rockwell International
114
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2020-09-30 ValidFAA registration status code V: Valid registration. All codes
N9163C Mooney
M20M
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2020-09-30 ValidFAA registration status code V: Valid registration. All codes
N1029T Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2020-09-28 ValidFAA registration status code V: Valid registration. All codes
N62665 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2020-09-28 ValidFAA registration status code V: Valid registration. All codes
N8LX Aero Commander
500 S
Fixed-wing, multi-engine Aerospace Trust Management LLC Trustee
Wilmington, Delaware
Standard 2020-09-28 ValidFAA registration status code V: Valid registration. All codes
N541BP Piper
PA-32R-301T
Fixed-wing, single engine Edge Aircraft LLC
Denver, Colorado
Standard 2020-09-24 ValidFAA registration status code V: Valid registration. All codes
N9484P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2020-09-24 ValidFAA registration status code V: Valid registration. All codes
N191RV Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2020-09-23 ValidFAA registration status code V: Valid registration. All codes
N888EB Piper
PA-32R-300
Fixed-wing, single engine Charcoals Smokehouse LLC
Katy, Texas
Standard 2020-09-22 ValidFAA registration status code V: Valid registration. All codes
N787HP Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
California
Standard 2020-09-18 ValidFAA registration status code V: Valid registration. All codes
N925TC Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2020-09-16 ValidFAA registration status code V: Valid registration. All codes
N2947 Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2020-09-15 ValidFAA registration status code V: Valid registration. All codes
N877DS Piper
PA-32-300
Fixed-wing, single engine Individual owner
Colorado
Standard 2020-09-14 ValidFAA registration status code V: Valid registration. All codes
N612JS Piper
PA-32-300
Fixed-wing, single engine Wings of Eagle LLC
Leo, Indiana
Standard 2020-09-09 ValidFAA registration status code V: Valid registration. All codes
N9386P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2020-09-08 ValidFAA registration status code V: Valid registration. All codes
N227WD Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Texas
Standard 2020-09-03 ValidFAA registration status code V: Valid registration. All codes
N52JK Piper
AEROSTAR 601P
Fixed-wing, multi-engine High Alpha LLC
Miami, Florida
Standard 2020-09-02 ValidFAA registration status code V: Valid registration. All codes
N52ME Cessna
T206
Fixed-wing, single engine Copilots LLC
Ann Arbor, Michigan
Standard 2020-09-02 ValidFAA registration status code V: Valid registration. All codes
N6430Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2020-09-02 ValidFAA registration status code V: Valid registration. All codes
N8853C Piper
PA-32R-300
Fixed-wing, single engine Europa Aero LLC
Bucyrus, Ohio
Standard 2020-09-02 ValidFAA registration status code V: Valid registration. All codes
N8859P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2020-09-02 ValidFAA registration status code V: Valid registration. All codes
N55360 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Iowa
Standard 2020-09-01 ValidFAA registration status code V: Valid registration. All codes
N128MG Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Florida
Standard 2020-08-31 ValidFAA registration status code V: Valid registration. All codes
N727CG Cessna
182S
Fixed-wing, single engine Individual owner
New Jersey
Standard 2020-08-31 ValidFAA registration status code V: Valid registration. All codes
N691MA Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2020-08-29 ValidFAA registration status code V: Valid registration. All codes
N114BL Rockwell International
114
Fixed-wing, single engine Individual owner
Texas
Standard 2020-08-25 ValidFAA registration status code V: Valid registration. All codes
N21027 Piper
PA-32RT-300T
Fixed-wing, single engine Noomen Excavating LLC
Currie, Minnesota
Standard 2020-08-24 ValidFAA registration status code V: Valid registration. All codes
N4537F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Oregon
Standard 2020-08-24 ValidFAA registration status code V: Valid registration. All codes
N153EJ Piper
PA 31P 350
Fixed-wing, multi-engine Qualitair LLC Trustee
Michelstadt,
Standard 2020-08-21 ValidFAA registration status code V: Valid registration. All codes
N9142Z Mooney
M20M
Fixed-wing, single engine Lippity Clippity Aviation LLC
Muskegon, Michigan
Standard 2020-08-19 ValidFAA registration status code V: Valid registration. All codes
N4WB Piper
PA-32R-300
Fixed-wing, single engine Be Positive Holdings LLC
Bloomsburg, Pennsylvania
Standard 2020-08-18 ValidFAA registration status code V: Valid registration. All codes
N9321P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2020-08-17 ValidFAA registration status code V: Valid registration. All codes
N44087 Piper
PA-32-300
Fixed-wing, single engine Little Island Roofing
Stuart, Florida
Standard 2020-08-15 ValidFAA registration status code V: Valid registration. All codes
N8931P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2020-08-15 ValidFAA registration status code V: Valid registration. All codes
N9359P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2020-08-15 ValidFAA registration status code V: Valid registration. All codes
N7777G Piper
PA 46-350P
Fixed-wing, single engine Nittany Flyin LLC
Amarillo, Texas
Standard 2020-08-13 ValidFAA registration status code V: Valid registration. All codes
N4845F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2020-08-12 ValidFAA registration status code V: Valid registration. All codes
N800MS Mooney
M20M
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2020-08-12 ValidFAA registration status code V: Valid registration. All codes
N9198P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2020-08-11 ValidFAA registration status code V: Valid registration. All codes
N976WB Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2020-08-11 ValidFAA registration status code V: Valid registration. All codes
N222JL Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2020-08-10 ValidFAA registration status code V: Valid registration. All codes
N9009Y Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 2020-08-07 ValidFAA registration status code V: Valid registration. All codes
N1180X Piper
PA-32-300
Fixed-wing, single engine K & K Aero INC
Wilmington, Delaware
Standard 2020-08-06 ValidFAA registration status code V: Valid registration. All codes
N28119 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Utah
Standard 2020-07-30 ValidFAA registration status code V: Valid registration. All codes
N4403T Piper
PA-32-300
Fixed-wing, single engine Tyrrells Trails LLC
Fairbanks, Alaska
Standard 2020-07-30 ValidFAA registration status code V: Valid registration. All codes
N1872H Piper
PA-31-350
Fixed-wing, multi-engine Dodson International Parts INC
Rantoul, Kansas
Standard 2020-07-24 ValidFAA registration status code V: Valid registration. All codes
N66TB Piper
PA-31-350
Fixed-wing, multi-engine Turner Brothers LLC
Middleboro, Massachusetts
Standard 2020-07-24 ValidFAA registration status code V: Valid registration. All codes
N2148W Cessna
T206H
Fixed-wing, single engine Sav LLC
Shelton, Washington
Standard 2020-07-23 ValidFAA registration status code V: Valid registration. All codes
N39828 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Michigan
Standard 2020-07-17 ValidFAA registration status code V: Valid registration. All codes
N80702 Piper
PA-32R-301T
Fixed-wing, single engine Over the Numbers LLC
Churchville, Pennsylvania
Standard 2020-07-17 ValidFAA registration status code V: Valid registration. All codes
N4103W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2020-07-16 ValidFAA registration status code V: Valid registration. All codes
N640BD Piper
PA 46-350P
Fixed-wing, single engine Edair LLC
Newport, Rhode Island
Standard 2020-07-16 ValidFAA registration status code V: Valid registration. All codes
N89FM Mooney
M20M
Fixed-wing, single engine Radia LLC
Castro Valley, California
Standard 2020-07-15 ValidFAA registration status code V: Valid registration. All codes
N17AF Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2020-07-14 ValidFAA registration status code V: Valid registration. All codes
N341SW Piper
PA-32-300
Fixed-wing, single engine 13:4 Aviation LLC
Brookfield, Wisconsin
Standard 2020-07-13 ValidFAA registration status code V: Valid registration. All codes
N5693Y Piper
PA-23-250
Fixed-wing, multi-engine Alligator Air Transport LLC
Fort Lauderdale, Florida
Standard 2020-07-13 ValidFAA registration status code V: Valid registration. All codes
N56540 Piper
PA-34-200
Fixed-wing, multi-engine Schilling Aviation Services LLC
Salina, Kansas
Standard 2020-07-10 ValidFAA registration status code V: Valid registration. All codes
N14005 Piper
PA-23-250
Fixed-wing, multi-engine Delaware Aircraft Trust LLC Trustee
New Castle, Delaware
Standard 2020-07-08 ValidFAA registration status code V: Valid registration. All codes
N9069P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Washington
Standard 2020-07-07 ValidFAA registration status code V: Valid registration. All codes
N9117P Piper
PA-24-260
Fixed-wing, single engine Renewable Fuels Consulting INC
Clear Lake, Iowa
Standard 2020-07-07 ValidFAA registration status code V: Valid registration. All codes
N206SJ Cessna
T206H
Fixed-wing, single engine Urbana Aviation LLC
Woodstock, Ohio
Standard 2020-07-02 ValidFAA registration status code V: Valid registration. All codes
N13998 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2020-06-30 ValidFAA registration status code V: Valid registration. All codes
N140TA Cessna
T182T
Fixed-wing, single engine Guggenair LLC
Carbondale, Colorado
Standard 2020-06-26 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.