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
N74LR Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 2018-07-30 ValidFAA registration status code V: Valid registration. All codes
N83PA Piper
PA-31-325
Fixed-wing, multi-engine Hill Enterprise INC
Wilmington, Delaware
Standard 2018-07-30 ValidFAA registration status code V: Valid registration. All codes
N40559 Piper
PA-23-250
Fixed-wing, multi-engine Frost Aviation Services INC
Las Cruces, New Mexico
Standard 2018-07-27 ValidFAA registration status code V: Valid registration. All codes
N410TA Cessna
T206H
Fixed-wing, single engine J Azteca Express INC
Eagle Pass, Texas
Standard 2018-07-24 ValidFAA registration status code V: Valid registration. All codes
N9116P Piper
PA-24-260
Fixed-wing, single engine Maierhoffer Henry F JR
Sylvania, Georgia
Standard 2018-07-20 ValidFAA registration status code V: Valid registration. All codes
N464PM Cessna
T206H
Fixed-wing, single engine Hnd Properties LLC
Montrose, Colorado
Standard 2018-07-16 ValidFAA registration status code V: Valid registration. All codes
N522CA Piper
PA-23-250
Fixed-wing, multi-engine C-140 Company LLC
Milton, Florida
Standard 2018-07-11 ValidFAA registration status code V: Valid registration. All codes
N44369 Piper
PA-32-300
Fixed-wing, single engine T&B Aviation LLC
Rancho Cucamonga, California
Standard 2018-07-06 ValidFAA registration status code V: Valid registration. All codes
N924DC Piper
PA 46-350P
Fixed-wing, single engine Airmann Leasing LLC
Mount Sterling, Kentucky
Standard 2018-07-06 ValidFAA registration status code V: Valid registration. All codes
N2102B Piper
PA-32RT-300
Fixed-wing, single engine Gillen Diesel Aviation LLC
Dania Beach, Florida
Standard 2018-07-03 ValidFAA registration status code V: Valid registration. All codes
N847 Piper
PA-31-325
Fixed-wing, multi-engine Ultimate Resort Vacations INC
Weston, Florida
Standard 2018-07-02 ValidFAA registration status code V: Valid registration. All codes
N8878P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2018-07-02 ValidFAA registration status code V: Valid registration. All codes
N9JL Beech
B-60
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2018-06-29 ValidFAA registration status code V: Valid registration. All codes
N9124L Mooney
M20M
Fixed-wing, single engine Archsway LLC
Trinidad, Colorado
Standard 2018-06-27 ValidFAA registration status code V: Valid registration. All codes
N9164Z Mooney
M20M
Fixed-wing, single engine N9164Z LLC
Fayetteville, Georgia
Standard 2018-06-27 ValidFAA registration status code V: Valid registration. All codes
N5367J Piper
PA-32R-301T
Fixed-wing, single engine Air Prescher Airline Limited
Lake Havasu, Arizona
Standard 2018-06-25 ValidFAA registration status code V: Valid registration. All codes
N4213R Piper
PA-32-300
Fixed-wing, single engine Clear Blue Skies Aviation LLC
Warner Robins, Georgia
Standard 2018-06-19 ValidFAA registration status code V: Valid registration. All codes
N1086S Mooney
M20M
Fixed-wing, single engine Individual owner
Washington
Standard 2018-06-18 ValidFAA registration status code V: Valid registration. All codes
N5644Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2018-06-18 ValidFAA registration status code V: Valid registration. All codes
N6954J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Standard 2018-06-15 ValidFAA registration status code V: Valid registration. All codes
N9119X Mooney
M20M
Fixed-wing, single engine Co-owned owner
Florida
Standard 2018-06-14 ValidFAA registration status code V: Valid registration. All codes
N333HG Piper
PA-32-300
Fixed-wing, single engine Low and Slow LLC
Brookline, New Hampshire
Standard 2018-06-08 ValidFAA registration status code V: Valid registration. All codes
N19KC Piper
PA-23-250
Fixed-wing, multi-engine Grays Bay LLC
Warrenton, Oregon
Standard 2018-06-07 ValidFAA registration status code V: Valid registration. All codes
N147F Aero Commander
500-B
Fixed-wing, multi-engine Brown Helicopter INC
Pensacola, Florida
Standard 2018-06-05 ValidFAA registration status code V: Valid registration. All codes
N45052 Piper
PA-31-350
Fixed-wing, multi-engine Talkeetna Aero Services INC
Anchorage, Alaska
Standard 2018-06-05 ValidFAA registration status code V: Valid registration. All codes
N40CA Piper
PA-31-325
Fixed-wing, multi-engine Charley Alpha LLC
Umatilla, Florida
Standard 2018-06-04 ValidFAA registration status code V: Valid registration. All codes
N43RD Cessna
T206H
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2018-05-29 ValidFAA registration status code V: Valid registration. All codes
N8925N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2018-05-24 ValidFAA registration status code V: Valid registration. All codes
N5CQ Piper
PA-31-310
Fixed-wing, multi-engine Dlc Aviation LLC
Lakeland, Georgia
Standard 2018-05-21 ValidFAA registration status code V: Valid registration. All codes
N95RA Piper
PA-32-300
Fixed-wing, single engine Kennedy Crosswind LLC
Wellsburg, Iowa
Standard 2018-05-21 ValidFAA registration status code V: Valid registration. All codes
N5411F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Colorado
Standard 2018-05-17 ValidFAA registration status code V: Valid registration. All codes
N39660 Piper
PA-32RT-300T
Fixed-wing, single engine Your Mission LLC
Vinton, Iowa
Standard 2018-05-16 ValidFAA registration status code V: Valid registration. All codes
N578WY Rockwell International
500-S
Fixed-wing, multi-engine Bridger Aviation Services LLC
Belgrade, Montana
Standard 2018-05-16 ValidFAA registration status code V: Valid registration. All codes
N4931W Rockwell International
114
Fixed-wing, single engine Individual owner
Illinois
Standard 2018-05-15 ValidFAA registration status code V: Valid registration. All codes
N720KM Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2018-05-15 ValidFAA registration status code V: Valid registration. All codes
N93710 Bellanca
17-31A
Fixed-wing, single engine Individual owner
South Carolina
Standard 2018-05-14 ValidFAA registration status code V: Valid registration. All codes
N508AC Cessna
T182T
Fixed-wing, single engine Ktaz Air LLC
Niceville, Florida
Standard 2018-05-11 ValidFAA registration status code V: Valid registration. All codes
N442AP Smith
AEROSTAR 601
Fixed-wing, multi-engine Three Mayhoods LLC
Bonita Springs, Florida
Standard 2018-05-09 ValidFAA registration status code V: Valid registration. All codes
N5854F Piper
PA-32R-300
Fixed-wing, single engine Bravo Sierra LLC
Middletown, Delaware
Standard 2018-05-03 ValidFAA registration status code V: Valid registration. All codes
N6050 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2018-05-03 ValidFAA registration status code V: Valid registration. All codes
N8631N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2018-05-03 ValidFAA registration status code V: Valid registration. All codes
N8819P Piper
PA-24-260
Fixed-wing, single engine N8819P LLC
Boca Raton, Florida
Standard 2018-05-02 ValidFAA registration status code V: Valid registration. All codes
N6621Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2018-04-25 ValidFAA registration status code V: Valid registration. All codes
N101AX Beech
B-60
Fixed-wing, multi-engine Individual owner
Arkansas
Standard 2018-04-24 ValidFAA registration status code V: Valid registration. All codes
N190PH Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2018-04-19 ValidFAA registration status code V: Valid registration. All codes
N2433U Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2018-04-19 ValidFAA registration status code V: Valid registration. All codes
N166CB Piper
PA-32-300
Fixed-wing, single engine Star Ground Services INC
Tinian, Northern Mariana Islands
Standard 2018-04-17 ValidFAA registration status code V: Valid registration. All codes
N40464 Piper
PA-23-250
Fixed-wing, multi-engine Pavco INC
Gig Harbor, Washington
Standard 2018-04-17 ValidFAA registration status code V: Valid registration. All codes
N8513C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Virginia
Standard 2018-04-16 ValidFAA registration status code V: Valid registration. All codes
N938PM Piper
PA-31-350
Fixed-wing, multi-engine D & B Aviation LLC
Stroudsburg, Pennsylvania
Standard 2018-04-12 ValidFAA registration status code V: Valid registration. All codes
N66029 Cessna
T182T
Fixed-wing, single engine Wpf Air LLC
Fort Myers, Florida
Standard 2018-04-11 ValidFAA registration status code V: Valid registration. All codes
N678TB Socata
TB21
Fixed-wing, single engine Individual owner
California
Standard 2018-04-06 ValidFAA registration status code V: Valid registration. All codes
N7617V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Soaring Utah INC
Sandy, Utah
Restricted 2018-04-06 ValidFAA registration status code V: Valid registration. All codes
N8177Y Piper
PA-32RT-301T
Fixed-wing, single engine Elite Approach LLC
Chesterfield, Missouri
Standard 2018-04-06 ValidFAA registration status code V: Valid registration. All codes
N28KE Piper
PA-31-350
Fixed-wing, multi-engine Grant Aviation INC
Anchorage, Alaska
Standard 2018-04-04 ValidFAA registration status code V: Valid registration. All codes
N33496 Piper
PA-32-300
Fixed-wing, single engine B A T S Aviation LLC
Long Island, Kansas
Standard 2018-04-04 ValidFAA registration status code V: Valid registration. All codes
N39811 Bellanca
17-31A
Fixed-wing, single engine Ozarks Auto Show INC
Hollister, Missouri
Standard 2018-04-04 ValidFAA registration status code V: Valid registration. All codes
N650P Piper
PA-23-250
Fixed-wing, multi-engine A-Z Leasing LLC
Kenosha, Wisconsin
Standard 2018-04-04 ValidFAA registration status code V: Valid registration. All codes
N330MC Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Michigan
Standard 2018-04-02 ValidFAA registration status code V: Valid registration. All codes
N4212R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2018-03-27 ValidFAA registration status code V: Valid registration. All codes
N8792E Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2018-03-19 ValidFAA registration status code V: Valid registration. All codes
N2079X Piper
PA-32RT-300T
Fixed-wing, single engine De Flyers LLC
Vicksburg, Michigan
Standard 2018-03-15 ValidFAA registration status code V: Valid registration. All codes
N8502N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Idaho
Standard 2018-03-15 ValidFAA registration status code V: Valid registration. All codes
N9143X Mooney
M20M
Fixed-wing, single engine Ct King Airplane LLC
Snohomish, Washington
Standard 2018-03-08 ValidFAA registration status code V: Valid registration. All codes
N2150K Cessna
T206H
Fixed-wing, single engine Individual owner
Idaho
Standard 2018-03-07 ValidFAA registration status code V: Valid registration. All codes
N373EA Smith
AEROSTAR 601P
Fixed-wing, multi-engine Dallas Collins Prison Services INC DBA
Devine, Texas
Standard 2018-03-06 ValidFAA registration status code V: Valid registration. All codes
N922JM Piper
PA-24-260
Fixed-wing, single engine Applied Aerospace Concepts Pllc
Bloomington, Minnesota
Standard 2018-03-06 ValidFAA registration status code V: Valid registration. All codes
N19194 Cessna
T182T
Fixed-wing, single engine Smokey Bear Air LLC
Cascade Locks, Oregon
Standard 2018-03-01 ValidFAA registration status code V: Valid registration. All codes
N24VR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Alabama
Standard 2018-03-01 ValidFAA registration status code V: Valid registration. All codes
N62869 Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Kentucky
Standard 2018-02-28 ValidFAA registration status code V: Valid registration. All codes
N8333H Piper
PA-32R-301T
Fixed-wing, single engine N8333H LLC
Saint Cloud, Minnesota
Standard 2018-02-27 ValidFAA registration status code V: Valid registration. All codes
N83WC Piper
PA-23-250
Fixed-wing, multi-engine
Standard 2018-02-27 ValidFAA registration status code V: Valid registration. All codes
N9669K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2018-02-20 ValidFAA registration status code V: Valid registration. All codes
N500Q Piper
PA-31-310
Fixed-wing, multi-engine Sanborn Map CO INC
Colorado Springs, Colorado
Standard 2018-02-15 ValidFAA registration status code V: Valid registration. All codes
N627AX Piper
PA 46-350P
Fixed-wing, single engine Sky Ridge Transport LLC
Anaheim, California
Standard 2018-02-15 ValidFAA registration status code V: Valid registration. All codes
N521AW Piper
PA-31-310
Fixed-wing, multi-engine Urban Equipment LLC
Vineland, New Jersey
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N8733P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Florida
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N6863Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2018-02-13 ValidFAA registration status code V: Valid registration. All codes
N918CM Cessna
T206H
Fixed-wing, single engine Individual owner
New Mexico
Standard 2018-02-13 ValidFAA registration status code V: Valid registration. All codes
N21436 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2018-02-12 ValidFAA registration status code V: Valid registration. All codes
N8853P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2018-02-12 ValidFAA registration status code V: Valid registration. All codes
N130XR Piper
PA-32RT-300T
Fixed-wing, single engine M&A Adams Family LP
Mckinney, Texas
Standard 2018-02-07 ValidFAA registration status code V: Valid registration. All codes
N694PC Piper
PA-32R-301T
Fixed-wing, single engine Bajedi Aviation LLC
Lewes, Delaware
Standard 2018-02-06 ValidFAA registration status code V: Valid registration. All codes
N44RL Piper
PA-31-310
Fixed-wing, multi-engine Csc Delaware Trust CO Trustee
Wilmington, Delaware
Standard 2018-02-05 ValidFAA registration status code V: Valid registration. All codes
N6046Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2018-02-05 ValidFAA registration status code V: Valid registration. All codes
N700HW Cessna
T206H
Fixed-wing, single engine Hotel Whiskey LLC
Sylvania, Ohio
Standard 2018-02-05 ValidFAA registration status code V: Valid registration. All codes
N7783V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2018-02-01 ValidFAA registration status code V: Valid registration. All codes
N9161Y Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2018-02-01 ValidFAA registration status code V: Valid registration. All codes
N5797Y Piper
PA-23-250
Fixed-wing, multi-engine Ace Tomato CO LLC
Daytona Beach, Florida
Standard 2018-01-30 ValidFAA registration status code V: Valid registration. All codes
N8988N Piper
PA-32-300
Fixed-wing, single engine Cicero Flying Club LLC
Indianapolis, Indiana
Standard 2018-01-29 ValidFAA registration status code V: Valid registration. All codes
N27272 Piper
PA-31-325
Fixed-wing, multi-engine Alpha United Air LLC
Wilmington, Delaware
Standard 2018-01-25 ValidFAA registration status code V: Valid registration. All codes
N9176P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2018-01-25 ValidFAA registration status code V: Valid registration. All codes
N4826W Rockwell International
114
Fixed-wing, single engine Individual owner
Illinois
Standard 2018-01-24 ValidFAA registration status code V: Valid registration. All codes
N574HF Cessna
T206H
Fixed-wing, single engine Kilo Romeo LLC
Anchorage, Alaska
Standard 2018-01-24 ValidFAA registration status code V: Valid registration. All codes
N219SD Socata
TB21
Fixed-wing, single engine Individual owner
California
Standard 2018-01-23 ValidFAA registration status code V: Valid registration. All codes
N1176Z Aero Commander
500-B
Fixed-wing, multi-engine Airborne Support INC
Bourg, Louisiana
Standard 2018-01-19 ValidFAA registration status code V: Valid registration. All codes
N92714 Piper
PA 46-350P
Fixed-wing, single engine
Standard 2018-01-16 ValidFAA registration status code V: Valid registration. All codes
N5677V Piper
PA-32R-300
Fixed-wing, single engine Annies Aviation LLC
Bloomington, Indiana
Standard 2018-01-11 ValidFAA registration status code V: Valid registration. All codes
N8778P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2018-01-10 ValidFAA registration status code V: Valid registration. All codes
N6205Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Wisconsin
Standard 2018-01-08 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.