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
N1918T Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2019-07-24 ValidFAA registration status code V: Valid registration. All codes
N430NR Hiller
UH-12E
Rotorcraft Rutland Flying Service INC
Ridge Spring, South Carolina
Restricted 2019-07-24 ExpiredFAA registration status code 29: Registration expired, pending cancellation. All codes
N821FA Cessna
T182T
Fixed-wing, single engine Individual owner
Maryland
Standard 2019-07-24 ValidFAA registration status code V: Valid registration. All codes
N841AD Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2019-07-19 ValidFAA registration status code V: Valid registration. All codes
N227WF Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2019-07-15 ValidFAA registration status code V: Valid registration. All codes
N670MP Piper
PA-32-300
Fixed-wing, single engine Star Ground Services INC
Tinian, Northern Mariana Islands
Standard 2019-07-15 ValidFAA registration status code V: Valid registration. All codes
N382JM Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2019-07-11 ValidFAA registration status code V: Valid registration. All codes
N103EA Piper
PA-32R-300
Fixed-wing, single engine Jwp Group LLC
Long Island, Maine
Standard 2019-07-08 ValidFAA registration status code V: Valid registration. All codes
N50CC Piper
PA-23-250
Fixed-wing, multi-engine Scott Macdonald Aircraft Sales INC
Stuart, Florida
Standard 2019-07-02 ValidFAA registration status code V: Valid registration. All codes
N8661N Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2019-07-01 ValidFAA registration status code V: Valid registration. All codes
N186 Piper
PA-32-301T
Fixed-wing, single engine Sold Now Development LLC
Boca Raton, Florida
Standard 2019-06-29 ValidFAA registration status code V: Valid registration. All codes
N2171B Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arizona
Standard 2019-06-29 ValidFAA registration status code V: Valid registration. All codes
N101YB Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2019-06-27 ValidFAA registration status code V: Valid registration. All codes
N32577 Piper
PA-32-300
Fixed-wing, single engine Cooper Wayne R
Arcadia, Florida
Standard 2019-06-26 ValidFAA registration status code V: Valid registration. All codes
N562GK Cessna
T182T
Fixed-wing, single engine Individual owner
Louisiana
Standard 2019-06-24 ValidFAA registration status code V: Valid registration. All codes
N7638F Piper
PA-32-300
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2019-06-24 ValidFAA registration status code V: Valid registration. All codes
N36PB Piper
PA-31-350
Fixed-wing, multi-engine Marin Pacific International LLC
Apple Valley, California
Standard 2019-06-20 ValidFAA registration status code V: Valid registration. All codes
N577JH Mooney
M20M
Fixed-wing, single engine Llopis USA LLC
Rockledge, Florida
Standard 2019-06-20 ValidFAA registration status code V: Valid registration. All codes
N33DN Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2019-06-18 ValidFAA registration status code V: Valid registration. All codes
N4173W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2019-06-18 ValidFAA registration status code V: Valid registration. All codes
N191R Cessna
310
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2019-06-14 ValidFAA registration status code V: Valid registration. All codes
N713HM Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2019-06-14 ValidFAA registration status code V: Valid registration. All codes
N4272R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2019-06-13 ValidFAA registration status code V: Valid registration. All codes
N9007P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Nevada
Standard 2019-06-12 ValidFAA registration status code V: Valid registration. All codes
N34WM Piper
PA-31-350
Fixed-wing, multi-engine 70 North LLC
Anchorage, Alaska
Standard 2019-06-11 ValidFAA registration status code V: Valid registration. All codes
N666KA Aero Commander
500-B
Fixed-wing, multi-engine Beulah Ranch LLC
Cheyenne, Wyoming
Standard 2019-06-03 ValidFAA registration status code V: Valid registration. All codes
N8341P Piper
PA-24-250
Fixed-wing, single engine Life Is Flying INC
Deerfield Beach, Florida
Standard 2019-06-03 ValidFAA registration status code V: Valid registration. All codes
N3523Y Piper
PA-31-350
Fixed-wing, multi-engine L A B Flying Service INC
Renton, Washington
Standard 2019-05-31 ValidFAA registration status code V: Valid registration. All codes
N5259S Piper
PA-32-300
Fixed-wing, single engine Individual owner
Michigan
Standard 2019-05-30 ValidFAA registration status code V: Valid registration. All codes
N21746 Cessna
T182T
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2019-05-28 ValidFAA registration status code V: Valid registration. All codes
N4101B Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Texas
Standard 2019-05-28 ValidFAA registration status code V: Valid registration. All codes
N39654 Piper
PA-32RT-300T
Fixed-wing, single engine Scarlet Peregrine LLC
Flagler Beach, Florida
Standard 2019-05-24 ValidFAA registration status code V: Valid registration. All codes
N62699 Piper
PA-23-250
Fixed-wing, multi-engine Antelope Valley College
Lancaster, California
Standard 2019-05-23 ValidFAA registration status code V: Valid registration. All codes
N75AK Cessna
T182T
Fixed-wing, single engine C U Later Aviation LLC
Holliday, Texas
Standard 2019-05-23 ValidFAA registration status code V: Valid registration. All codes
N1090L Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2019-05-22 ValidFAA registration status code V: Valid registration. All codes
N552JA Piper
PA-32-300
Fixed-wing, single engine Av8R Flying Club LLC
Warsaw, Indiana
Standard 2019-05-21 ValidFAA registration status code V: Valid registration. All codes
N59FC Piper
PA-31-350
Fixed-wing, multi-engine Lamb Farms INC
Oakfield, New York
Standard 2019-05-21 ValidFAA registration status code V: Valid registration. All codes
N777RZ Piper
PA-32-300
Fixed-wing, single engine Rapid 6 Flyers LLC
Rapid City, South Dakota
Standard 2019-05-20 ValidFAA registration status code V: Valid registration. All codes
N216DC Cessna
182S
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2019-05-16 ValidFAA registration status code V: Valid registration. All codes
N1151Z Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2019-05-13 ValidFAA registration status code V: Valid registration. All codes
N15238 Piper
PA-32-300
Fixed-wing, single engine Shme II LLC
West Lakeland, Minnesota
Standard 2019-05-13 ValidFAA registration status code V: Valid registration. All codes
N9070P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2019-05-10 ValidFAA registration status code V: Valid registration. All codes
N222WP Beech
A36
Fixed-wing, single engine Co-owned owner
Florida
Standard 2019-05-09 ValidFAA registration status code V: Valid registration. All codes
N777SC Piper
PA-31-310
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2019-05-07 ValidFAA registration status code V: Valid registration. All codes
N44601 Piper
PA-32-300
Fixed-wing, single engine Talon Aero LLC
Bowling Green, Ohio
Standard 2019-05-01 ValidFAA registration status code V: Valid registration. All codes
N8148Y Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2019-04-30 ValidFAA registration status code V: Valid registration. All codes
N381KH Mooney
M20M
Fixed-wing, single engine Phoenix Fire Protection LLC
Nampa, Idaho
Standard 2019-04-24 ValidFAA registration status code V: Valid registration. All codes
N9XT Piper
PA-24-260
Fixed-wing, single engine Dawdle LLC
Casanova, Virginia
Standard 2019-04-24 ValidFAA registration status code V: Valid registration. All codes
N371MA Cessna
T206H
Fixed-wing, single engine Lets Fly LLC
Eugene, Oregon
Standard 2019-04-23 ValidFAA registration status code V: Valid registration. All codes
N543SB Piper
PA-31-325
Fixed-wing, multi-engine Bielder Street Aviation LLC
North Charleston, South Carolina
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N8758P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Florida
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N89BR Piper
PA-23-250
Fixed-wing, multi-engine N89Br LLC
Wilmington, Delaware
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N9419P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Minnesota
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N7496S Smith
AEROSTAR 600
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2019-04-18 ValidFAA registration status code V: Valid registration. All codes
N2176S Cessna
T182T
Fixed-wing, single engine Tango-Alpha LLC
Saint Charles, Missouri
Standard 2019-04-17 ValidFAA registration status code V: Valid registration. All codes
N6627Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Maryland
Standard 2019-04-17 ValidFAA registration status code V: Valid registration. All codes
N107TA Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Alaska
Standard 2019-04-15 ValidFAA registration status code V: Valid registration. All codes
N9180P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2019-04-15 ValidFAA registration status code V: Valid registration. All codes
N9411P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New Jersey
Standard 2019-04-15 ValidFAA registration status code V: Valid registration. All codes
N29ZQ Aerofab Inc
LAKE LA-250
Fixed-wing, single engine 888Wm LLC
Wilmington, Delaware
Standard 2019-04-08 ValidFAA registration status code V: Valid registration. All codes
N8901P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2019-04-04 ValidFAA registration status code V: Valid registration. All codes
N55HR Mooney
M20M
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2019-04-03 ValidFAA registration status code V: Valid registration. All codes
N91902 Piper
PA 46-350P
Fixed-wing, single engine Ebe Aviation LLC
Urbandale, Iowa
Standard 2019-04-02 ValidFAA registration status code V: Valid registration. All codes
N624DP Piper
PA-32-301T
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2019-03-30 ValidFAA registration status code V: Valid registration. All codes
N3929F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2019-03-29 ValidFAA registration status code V: Valid registration. All codes
N8990P Piper
PA-24-260
Fixed-wing, single engine Baitanator INC
Lamesa, Texas
Standard 2019-03-29 ValidFAA registration status code V: Valid registration. All codes
N988TP Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2019-03-27 ValidFAA registration status code V: Valid registration. All codes
N197LA Piper
PA 46-350P
Fixed-wing, single engine Bg Family Limited Partnership
Edinburg, Texas
Standard 2019-03-25 ValidFAA registration status code V: Valid registration. All codes
N9235Y Piper
PA 31P 350
Fixed-wing, multi-engine Kamasano LLC
Highland, California
Standard 2019-03-23 ValidFAA registration status code V: Valid registration. All codes
N8721P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Louisiana
Standard 2019-03-21 ValidFAA registration status code V: Valid registration. All codes
N4238R Piper
PA-32-300
Fixed-wing, single engine Marianas Air Transfer INC
Saipan, Northern Mariana Islands
Standard 2019-03-20 ValidFAA registration status code V: Valid registration. All codes
N74PL Piper
PA-23-250
Fixed-wing, multi-engine Ancient Pelican Aviation LLC
Vero Beach, Florida
Standard 2019-03-20 ValidFAA registration status code V: Valid registration. All codes
N2301Q Cessna
T206H
Fixed-wing, single engine Farm West LLC
Missoula, Montana
Standard 2019-03-16 ValidFAA registration status code V: Valid registration. All codes
N16542 Piper
PA-32-300
Fixed-wing, single engine Marianas Air Transfer INC
Saipan, Northern Mariana Islands
Standard 2019-03-14 ValidFAA registration status code V: Valid registration. All codes
N117TD Mooney
M20M
Fixed-wing, single engine Individual owner
Florida
Standard 2019-03-13 ValidFAA registration status code V: Valid registration. All codes
N241GT Socata
TB21
Fixed-wing, single engine Individual owner
Mississippi
Standard 2019-03-13 ValidFAA registration status code V: Valid registration. All codes
N40465 Piper
PA-23-250
Fixed-wing, multi-engine Bartow Municipal Airport Development Authority
Bartow, Florida
Standard 2019-03-13 ValidFAA registration status code V: Valid registration. All codes
N8683N Piper
PA-32-300
Fixed-wing, single engine Airwide LLC
Deerwood, Minnesota
Standard 2019-03-13 ValidFAA registration status code V: Valid registration. All codes
N4032W Piper
PA-32-300
Fixed-wing, single engine Withheld at owner's request
Standard 2019-03-11 ValidFAA registration status code V: Valid registration. All codes
N99MG Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2019-03-09 ValidFAA registration status code V: Valid registration. All codes
N9090P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Oregon
Standard 2019-03-08 ValidFAA registration status code V: Valid registration. All codes
N9380P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2019-03-08 ValidFAA registration status code V: Valid registration. All codes
N6594F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Mississippi
Standard 2019-03-07 ValidFAA registration status code V: Valid registration. All codes
N350AR Piper
PA 46-350P
Fixed-wing, single engine Abode Construction INC
Marion, Iowa
Standard 2019-03-05 ValidFAA registration status code V: Valid registration. All codes
N4260R Piper
PA-32-300
Fixed-wing, single engine Colin Irons Diving and Pool Service
Crawfordville, Florida
Standard 2019-03-05 ValidFAA registration status code V: Valid registration. All codes
N4191W Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2019-03-04 ValidFAA registration status code V: Valid registration. All codes
N350CA Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Arizona
Standard 2019-03-02 ValidFAA registration status code V: Valid registration. All codes
N65805 Cessna
T182T
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N961SC Rockwell International
500-S
Fixed-wing, multi-engine Individual owner
California
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N9113K Piper
PA-32R-300
Fixed-wing, single engine Baja Airventures INC
Chula Vista, California
Standard 2019-02-20 ValidFAA registration status code V: Valid registration. All codes
N6300M Piper
PA-32-300
Fixed-wing, single engine Shortfin Holdings LLC
Seneca, South Carolina
Standard 2019-02-14 ValidFAA registration status code V: Valid registration. All codes
N62599 Piper
PA-23-250
Fixed-wing, multi-engine Raw Enterprises INC
Lewes, Delaware
Standard 2019-02-12 ValidFAA registration status code V: Valid registration. All codes
N9161E Mooney
M20M
Fixed-wing, single engine Individual owner
Idaho
Standard 2019-02-11 ValidFAA registration status code V: Valid registration. All codes
N342TS Cessna
T182T
Fixed-wing, single engine Daniels Law
Sherman Oaks, California
Standard 2019-02-09 ValidFAA registration status code V: Valid registration. All codes
N9476P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2019-02-09 ValidFAA registration status code V: Valid registration. All codes
N9148D Mooney
M20M
Fixed-wing, single engine Sky Blue Aviation LLC
Hershey, Pennsylvania
Standard 2019-02-06 ValidFAA registration status code V: Valid registration. All codes
N5824Y Piper
PA-23-250
Fixed-wing, multi-engine Donahue Sean M
Fort Lauderdale, Florida
Standard 2019-02-05 ValidFAA registration status code V: Valid registration. All codes
N8959P Piper
PA-24-260
Fixed-wing, single engine Mosel Properties LLC
Marrero, Louisiana
Standard 2019-02-05 ValidFAA registration status code V: Valid registration. All codes
N910A Piper Aircraft Corp
PA-60-700P
Fixed-wing, multi-engine National Industrial Services LLC
Kingshill, U.S. Virgin Islands
Standard 2019-02-04 ValidFAA registration status code V: Valid registration. All codes
N2237A Piper
PA-32RT-300T
Fixed-wing, single engine Kimber 123 Holdings LLC
Morgantown, West Virginia
Standard 2019-02-02 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.