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
N677RA Piper
PA-24-260
Fixed-wing, single engine Ra Aviation LLC
Omaha, Nebraska
Standard 2005-05-11 ValidFAA registration status code V: Valid registration. All codes
N379GP Cessna
T182T
Fixed-wing, single engine Great Pacific Aviation Services INC
Grants Pass, Oregon
Standard 2005-05-10 ValidFAA registration status code V: Valid registration. All codes
N756DD Cessna
T182T
Fixed-wing, single engine Airade LLC
Davis, California
Standard 2005-05-06 ValidFAA registration status code V: Valid registration. All codes
N50VV Cessna
T182T
Fixed-wing, single engine Victor Victor Leasing LLC
Pompton Plains, New Jersey
Standard 2005-04-27 ValidFAA registration status code V: Valid registration. All codes
N9161U Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2005-04-27 ValidFAA registration status code V: Valid registration. All codes
N27693 Piper
PA-31-325
Fixed-wing, multi-engine Sanborn Map CO INC
Colorado Springs, Colorado
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N9501P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N6868D Piper
PA-32-300
Fixed-wing, single engine Flamingo Air INC
Cincinnati, Ohio
Standard 2005-04-21 ValidFAA registration status code V: Valid registration. All codes
N4716W Rockwell International
114
Fixed-wing, single engine Individual owner
Texas
Standard 2005-04-14 ValidFAA registration status code V: Valid registration. All codes
N65932 Cessna
T182T
Fixed-wing, single engine Techflitewest LLC
Brookville, Ohio
Standard 2005-04-13 ValidFAA registration status code V: Valid registration. All codes
N700LD Piper
AEROSTAR 602P
Fixed-wing, multi-engine Northridge Consulting Enterprises LLC
Santa Clarita, California
Standard 2005-04-04 ValidFAA registration status code V: Valid registration. All codes
N143KY Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Texas
Standard 2005-03-29 ValidFAA registration status code V: Valid registration. All codes
N39719 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
South Carolina
Standard 2005-03-29 ValidFAA registration status code V: Valid registration. All codes
N8951P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alabama
Standard 2005-03-29 ValidFAA registration status code V: Valid registration. All codes
N8095P Piper
PA-24-250
Fixed-wing, single engine Gramas Illya W
Shelby, Michigan
Standard 2005-03-24 ValidFAA registration status code V: Valid registration. All codes
N157CM Piper
PA-32R-300
Fixed-wing, single engine Chamark LLC
Knoxville, Tennessee
Standard 2005-03-15 ValidFAA registration status code V: Valid registration. All codes
N7280Z Cessna
T206H
Fixed-wing, single engine Galt Ranch Aviation LLC
Wht Sphr Spgs, Montana
Standard 2005-03-09 ValidFAA registration status code V: Valid registration. All codes
N8096J Piper
PA-32R-301T
Fixed-wing, single engine Bullgoose Aviation INC
York, Pennsylvania
Standard 2005-03-09 Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes
N315KT Mooney
M20M
Fixed-wing, single engine Moonrise Flyers INC
Port Townsend, Washington
Standard 2005-03-01 ValidFAA registration status code V: Valid registration. All codes
N627JK Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2005-03-01 ValidFAA registration status code V: Valid registration. All codes
N93VB Piper
PA-32RT-300T
Fixed-wing, single engine Sky Blue INC
Wilmington, Delaware
Standard 2005-02-22 ValidFAA registration status code V: Valid registration. All codes
N9268P Piper
PA-24-260
Fixed-wing, single engine Ats INC
Chicago, Illinois
Standard 2005-02-16 ValidFAA registration status code V: Valid registration. All codes
N8655P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2005-02-15 ValidFAA registration status code V: Valid registration. All codes
N5678 Smith
AEROSTAR 600
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2005-02-08 ValidFAA registration status code V: Valid registration. All codes
N17HP Cessna
182T
Fixed-wing, single engine State of Ohio Dept of Public Safety
Columbus, Ohio
Standard 2005-01-31 ValidFAA registration status code V: Valid registration. All codes
N4102Z Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Nebraska
Standard 2005-01-28 ValidFAA registration status code V: Valid registration. All codes
N65927 Cessna
T182T
Fixed-wing, single engine Garmin International INC
Olathe, Kansas
Standard 2005-01-28 ValidFAA registration status code V: Valid registration. All codes
N297C Piper
PA 46-350P
Fixed-wing, single engine Livestock Health Products-Texas INC
Dalhart, Texas
Standard 2005-01-27 ValidFAA registration status code V: Valid registration. All codes
N769GS Piper
PA-32R-300
Fixed-wing, single engine Skylar Aviation LLC
Hagerhill, Kentucky
Standard 2005-01-27 ValidFAA registration status code V: Valid registration. All codes
N20BB Piper
PA 31P 350
Fixed-wing, multi-engine Steller Air Charter LLC
Jacksonville, Florida
Standard 2005-01-21 ValidFAA registration status code V: Valid registration. All codes
N318RH Piper
PA-23-250
Fixed-wing, multi-engine N72Jp INC
Annandale, Virginia
Standard 2005-01-19 ValidFAA registration status code V: Valid registration. All codes
N8299P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Indiana
Standard 2005-01-19 ValidFAA registration status code V: Valid registration. All codes
N4211R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2005-01-13 ValidFAA registration status code V: Valid registration. All codes
N8754P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2004-12-23 ValidFAA registration status code V: Valid registration. All codes
N666KH Piper
PA-24-260
Fixed-wing, single engine Mks Aviation of Mt Airy LLC
Mount Airy, North Carolina
Standard 2004-12-13 ValidFAA registration status code V: Valid registration. All codes
N59826 Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2004-12-02 ValidFAA registration status code V: Valid registration. All codes
N707VT Cessna
T206H
Fixed-wing, single engine Precision Air Vt LLC
Las Vegas, Nevada
Standard 2004-12-01 ValidFAA registration status code V: Valid registration. All codes
N747ME Aerofab Inc
LAKE 250
Fixed-wing, single engine Individual owner
New York
Standard 2004-11-18 ValidFAA registration status code V: Valid registration. All codes
N56824 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Utah
Standard 2004-11-16 ValidFAA registration status code V: Valid registration. All codes
N819PS Cessna
182T
Fixed-wing, single engine Co-owned owner
Washington
Standard 2004-11-03 ValidFAA registration status code V: Valid registration. All codes
N513VM Cessna
T182T
Fixed-wing, single engine Mccabes Supply INC
Watertown, New York
Standard 2004-11-02 ValidFAA registration status code V: Valid registration. All codes
N525MG Piper
PA-32R-301T
Fixed-wing, single engine N525Mg LLC
Menlo Park, California
Standard 2004-11-02 ValidFAA registration status code V: Valid registration. All codes
N5157A Cessna
T206H
Fixed-wing, single engine Longford Aviation INC
West Chester, Ohio
Standard 2004-10-26 ValidFAA registration status code V: Valid registration. All codes
N6619V Aero Commander
500 S
Fixed-wing, multi-engine Teton Leasing LLC
Pocatello, Idaho
Standard 2004-10-25 ValidFAA registration status code V: Valid registration. All codes
N8417P Piper
PA-24-250
Fixed-wing, single engine 250 Dash 4 Associates LTD
Yellow Springs, Ohio
Standard 2004-10-21 ValidFAA registration status code V: Valid registration. All codes
N728AA Cessna
T182T
Fixed-wing, single engine Individual owner
Florida
Standard 2004-10-15 ValidFAA registration status code V: Valid registration. All codes
N26JR Mooney
M20M
Fixed-wing, single engine Individual owner
Montana
Standard 2004-10-08 ValidFAA registration status code V: Valid registration. All codes
N278RC Piper
PA-31-310
Fixed-wing, multi-engine Sanborn Map Company INC
Colorado Springs, Colorado
Standard 2004-09-29 ValidFAA registration status code V: Valid registration. All codes
N8964P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Michigan
Standard 2004-09-22 ValidFAA registration status code V: Valid registration. All codes
N71FL Piper
PA-23-250
Fixed-wing, multi-engine West Transportation LLC
West Bloomfield, Michigan
Standard 2004-09-17 ValidFAA registration status code V: Valid registration. All codes
N728CA Piper
PA-31-350
Fixed-wing, multi-engine Premiere Aviation INC
Wilmington, Delaware
Standard 2004-09-10 ValidFAA registration status code V: Valid registration. All codes
N72638 Cessna
T206H
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2004-09-08 ValidFAA registration status code V: Valid registration. All codes
N56510 Piper
PA-32-300
Fixed-wing, single engine Brocon Aviation LLC
West Des Moines, Iowa
Standard 2004-09-01 ValidFAA registration status code V: Valid registration. All codes
N122AW Piper
PA-31-350
Fixed-wing, multi-engine Aztec Worldwide Airlines INC
Wilmington, Delaware
Standard 2004-08-27 ValidFAA registration status code V: Valid registration. All codes
N929DJ Piper
PA-32R-301T
Fixed-wing, single engine A and S Flying Services INC
Bristol, Virginia
Standard 2004-08-26 ValidFAA registration status code V: Valid registration. All codes
N3469 Cessna
T182T
Fixed-wing, single engine 246Dk LLC
Ramona, California
Standard 2004-08-24 ValidFAA registration status code V: Valid registration. All codes
N9221P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2004-08-21 ValidFAA registration status code V: Valid registration. All codes
N103AT Piper
PA-32-300
Fixed-wing, single engine Wjm Aviation LLC
Bridgeville, Pennsylvania
Standard 2004-08-17 ValidFAA registration status code V: Valid registration. All codes
N2118J Cessna
T182T
Fixed-wing, single engine Lamb Chops INC
Bakersfield, California
Standard 2004-08-07 ValidFAA registration status code V: Valid registration. All codes
N4011W Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2004-08-02 ValidFAA registration status code V: Valid registration. All codes
N5788 Piper
PA-24-260
Fixed-wing, single engine Knot Speed LTD
Wilmington, Delaware
Standard 2004-07-27 ValidFAA registration status code V: Valid registration. All codes
N27888 Piper
PA-31-350
Fixed-wing, multi-engine Tep LLC
Ormond Beach, Florida
Standard 2004-07-22 ValidFAA registration status code V: Valid registration. All codes
N84263 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2004-07-14 ValidFAA registration status code V: Valid registration. All codes
N28160 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
New Mexico
Standard 2004-07-13 ValidFAA registration status code V: Valid registration. All codes
N32395 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2004-06-29 ValidFAA registration status code V: Valid registration. All codes
N719P Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2004-06-21 ValidFAA registration status code V: Valid registration. All codes
N204SJ Piper
PA-32-300
Fixed-wing, single engine Stuart M Davis INC
Rice, Washington
Standard 2004-06-16 ValidFAA registration status code V: Valid registration. All codes
N135G Cessna
T206H
Fixed-wing, single engine Vreeland Equipment Rental LLC
Dayton, Ohio
Standard 2004-06-14 ValidFAA registration status code V: Valid registration. All codes
N9274P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Illinois
Standard 2004-06-08 ValidFAA registration status code V: Valid registration. All codes
N15708 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nevada
Standard 2004-05-21 ValidFAA registration status code V: Valid registration. All codes
N9281B Piper
PA 46-350P
Fixed-wing, single engine Clear View INC
Fort Smith, Arkansas
Standard 2004-05-18 ValidFAA registration status code V: Valid registration. All codes
N4081B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Iowa
Standard 2004-05-17 ValidFAA registration status code V: Valid registration. All codes
N227AK Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Hawaii
Standard 2004-05-14 ValidFAA registration status code V: Valid registration. All codes
N7CB Piper
PA-23-250
Fixed-wing, multi-engine Experimental Aircraft Association
Oshkosh, Wisconsin
Standard 2004-05-03 ValidFAA registration status code V: Valid registration. All codes
N4733W Rockwell International
114
Fixed-wing, single engine Individual owner
Kentucky
Standard 2004-04-26 ValidFAA registration status code V: Valid registration. All codes
N71JG Smith
AEROSTAR 601
Fixed-wing, multi-engine Fred Garrison Oil CO
Plainview, Texas
Standard 2004-04-26 ValidFAA registration status code V: Valid registration. All codes
N8921P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2004-04-26 ValidFAA registration status code V: Valid registration. All codes
N9296P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2004-04-08 ValidFAA registration status code V: Valid registration. All codes
N190TA Piper
PA-31-310
Fixed-wing, multi-engine Tuck Aerial Surveys INC
Big Stone Gap, Virginia
Standard 2004-04-06 ValidFAA registration status code V: Valid registration. All codes
N122JP Piper
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
New Jersey
Standard 2004-03-30 ValidFAA registration status code V: Valid registration. All codes
N716PR Mooney
M20M
Fixed-wing, single engine Chupond America INC
Pittstown, New Jersey
Standard 2004-03-18 ValidFAA registration status code V: Valid registration. All codes
N1723H Piper
PA-32R-300
Fixed-wing, single engine Co-Operative Cross Roads Flying Club
Albuquerque, New Mexico
Standard 2004-03-03 ValidFAA registration status code V: Valid registration. All codes
N9550E Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Texas
Standard 2004-03-03 ValidFAA registration status code V: Valid registration. All codes
N53592 Piper
PA-32R-301T
Fixed-wing, single engine Gulfstream Design Associates INC
Delray Beach, Florida
Standard 2004-03-01 ValidFAA registration status code V: Valid registration. All codes
N247CT Cessna
320
Fixed-wing, multi-engine Consolidated Technologies
Woodbury, Minnesota
Standard 2004-02-26 ValidFAA registration status code V: Valid registration. All codes
N97HL Piper
PA-32R-301T
Fixed-wing, single engine Walker Manufacturing CO
Fort Collins, Colorado
Standard 2004-02-25 ValidFAA registration status code V: Valid registration. All codes
N5494Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Iowa
Standard 2004-02-19 ValidFAA registration status code V: Valid registration. All codes
N7711M Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2004-02-12 ValidFAA registration status code V: Valid registration. All codes
N2244Q Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Nevada
Standard 2004-02-10 ValidFAA registration status code V: Valid registration. All codes
N59752 Piper
PA-31-325
Fixed-wing, multi-engine Visionaire Enterprises LLC
Statesville, North Carolina
Standard 2004-02-05 ValidFAA registration status code V: Valid registration. All codes
N5107Y Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2004-02-03 ValidFAA registration status code V: Valid registration. All codes
N8979N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2004-02-02 ValidFAA registration status code V: Valid registration. All codes
N4021W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2004-01-29 ValidFAA registration status code V: Valid registration. All codes
N2378X Cessna
T206H
Fixed-wing, single engine Co-owned owner
Utah
Standard 2004-01-26 ValidFAA registration status code V: Valid registration. All codes
N126LM Piper
PA-32R-301T
Fixed-wing, single engine Matt Aviation Propertis INC
Nashua, New Hampshire
Standard 2004-01-21 ValidFAA registration status code V: Valid registration. All codes
N6039Y Piper
PA-23-250
Fixed-wing, multi-engine Allen Aviation INC
Aynor, South Carolina
Restricted 2004-01-08 ValidFAA registration status code V: Valid registration. All codes
N27987 Piper
PA-31-310
Fixed-wing, multi-engine Alaska Air Taxi LLC
Anchorage, Alaska
Standard 2004-01-06 ValidFAA registration status code V: Valid registration. All codes
N63AJ Piper
PA32-301XTC
Fixed-wing, single engine Sehgal Aviation INC
Shoreline, Washington
Standard 2004-01-05 ValidFAA registration status code V: Valid registration. All codes
N9218Y Piper
PA-31
Fixed-wing, multi-engine Hubble Boeing Development CORP
Gallipolis, Ohio
Standard 2003-12-31 ValidFAA registration status code V: Valid registration. All codes
N6812J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2003-12-29 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.