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
N2HR Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2014-11-19 ValidFAA registration status code V: Valid registration. All codes
N9037P Piper
PA-24-260
Fixed-wing, single engine Jack Ryan Aviation
Woodcliff Lake, New Jersey
Standard 2014-11-14 ValidFAA registration status code V: Valid registration. All codes
N54429 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2014-11-13 ValidFAA registration status code V: Valid registration. All codes
N30689 Piper
PA-32RT-300
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2014-11-06 ValidFAA registration status code V: Valid registration. All codes
N8742P Piper
PA-24-260
Fixed-wing, single engine Lbb High Flyers LLC
Lubbock, Texas
Standard 2014-11-06 ValidFAA registration status code V: Valid registration. All codes
N824RC Cessna
T182T
Fixed-wing, single engine Aquila Consulting Services LLC
Los Angeles, California
Standard 2014-11-05 ValidFAA registration status code V: Valid registration. All codes
N35475 Piper
PA-31-350
Fixed-wing, multi-engine Abd Corporation INC
Tinian, Northern Mariana Islands
Standard 2014-11-03 ValidFAA registration status code V: Valid registration. All codes
N727SD Piper
PA-32R-300
Fixed-wing, single engine Stable Air LLC
Leonardtown, Maryland
Standard 2014-11-03 ValidFAA registration status code V: Valid registration. All codes
N8862V Bellanca
17-31ATC
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2014-10-31 ValidFAA registration status code V: Valid registration. All codes
N108TL Cessna
T182T
Fixed-wing, single engine Domus Capital Holdings LLC
Dallas, Texas
Standard 2014-10-28 ValidFAA registration status code V: Valid registration. All codes
N188SP Piper
PA-32R-300
Fixed-wing, single engine Thornado Aviation LLC
Indialantic, Florida
Standard 2014-10-28 ValidFAA registration status code V: Valid registration. All codes
N77RH Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2014-10-20 ValidFAA registration status code V: Valid registration. All codes
N234MF Cessna
T182T
Fixed-wing, single engine Gone Flying LLC
Salt Lake City, Utah
Standard 2014-10-16 ValidFAA registration status code V: Valid registration. All codes
N5533Y Piper
PA-23-250
Fixed-wing, multi-engine Ace Tomato CO LLC
Daytona Beach, Florida
Standard 2014-10-16 ValidFAA registration status code V: Valid registration. All codes
N6943Y Piper
PA-23-250
Fixed-wing, multi-engine Ace Tomato CO LLC
Daytona Beach, Florida
Standard 2014-10-16 ValidFAA registration status code V: Valid registration. All codes
N4264A North American
NAVION A
Fixed-wing, single engine Individual owner
New York
Standard 2014-10-10 ValidFAA registration status code V: Valid registration. All codes
N379HP Piper
PA-32R-301T
Fixed-wing, single engine Liquid Transport INC
Camilla, Georgia
Standard 2014-10-07 ValidFAA registration status code V: Valid registration. All codes
N934PH Piper
PA-32-300
Fixed-wing, single engine Rossell Holdings LLC
Astoria, Oregon
Standard 2014-10-06 ValidFAA registration status code V: Valid registration. All codes
N8433Y Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
South Carolina
Standard 2014-10-03 ValidFAA registration status code V: Valid registration. All codes
N241KR Cessna
T182T
Fixed-wing, single engine Mako Offshore Exploration INC
Pagosa Springs, Colorado
Standard 2014-10-02 ValidFAA registration status code V: Valid registration. All codes
N2148B Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2014-10-01 ValidFAA registration status code V: Valid registration. All codes
N4024R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2014-10-01 ValidFAA registration status code V: Valid registration. All codes
N26509 Cessna
T206H
Fixed-wing, single engine Bell Air LLC
Belleville, Kansas
Standard 2014-09-30 ValidFAA registration status code V: Valid registration. All codes
N27478 Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Texas
Standard 2014-09-30 ValidFAA registration status code V: Valid registration. All codes
N2175W Cessna
T182T
Fixed-wing, single engine Industry Machine Design & Automation INC
Camarillo, California
Standard 2014-09-22 ValidFAA registration status code V: Valid registration. All codes
N40ZM Mooney
M20M
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2014-09-17 ValidFAA registration status code V: Valid registration. All codes
N27299 Piper
PA-31-350
Fixed-wing, multi-engine C M B Aviation LLC
Farmington Hills, Michigan
Standard 2014-09-15 ValidFAA registration status code V: Valid registration. All codes
N10BG Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2014-09-12 ValidFAA registration status code V: Valid registration. All codes
N913C Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2014-09-11 ValidFAA registration status code V: Valid registration. All codes
N555VS Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2014-09-09 ValidFAA registration status code V: Valid registration. All codes
N6620L Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2014-09-09 ValidFAA registration status code V: Valid registration. All codes
N974CS Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2014-09-09 ValidFAA registration status code V: Valid registration. All codes
N4182R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nebraska
Standard 2014-09-08 ValidFAA registration status code V: Valid registration. All codes
N4966F Piper
PA-32R-300
Fixed-wing, single engine Dj&A Enterprises LLC
Sevierville, Tennessee
Standard 2014-09-08 ValidFAA registration status code V: Valid registration. All codes
N4259R Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Mexico
Standard 2014-09-05 ValidFAA registration status code V: Valid registration. All codes
N4290R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Georgia
Standard 2014-09-04 ValidFAA registration status code V: Valid registration. All codes
N7271Y Cessna
T206H
Fixed-wing, single engine Vitatoe Industries INC
Chillicothe, Ohio
Standard 2014-09-02 ValidFAA registration status code V: Valid registration. All codes
N797MA Piper
PA 46-350P
Fixed-wing, single engine Jtcc Products LLC
Fairview Park, Ohio
Standard 2014-09-02 ValidFAA registration status code V: Valid registration. All codes
N290DY Socata
TB21
Fixed-wing, single engine Individual owner
Illinois
Standard 2014-08-26 ValidFAA registration status code V: Valid registration. All codes
N4151B Bellanca
17-31A
Fixed-wing, single engine Individual owner
Illinois
Standard 2014-08-25 ValidFAA registration status code V: Valid registration. All codes
N28PV Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
South Carolina
Standard 2014-08-21 ValidFAA registration status code V: Valid registration. All codes
N8985P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kentucky
Standard 2014-08-20 ValidFAA registration status code V: Valid registration. All codes
N72695 Cessna
T206H
Fixed-wing, single engine Surdex CORP
Chesterfield, Missouri
Standard 2014-08-18 ValidFAA registration status code V: Valid registration. All codes
N373WD Cessna
T182T
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-08-12 ValidFAA registration status code V: Valid registration. All codes
N9488P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2014-08-06 ValidFAA registration status code V: Valid registration. All codes
N23MM Piper
PA-32-300
Fixed-wing, single engine America Atlantic Aviation INC
Stuart, Florida
Standard 2014-08-05 ValidFAA registration status code V: Valid registration. All codes
N189MJ Piper
PA-32R-301T
Fixed-wing, single engine Barnes Aviation LLC
Flowood, Mississippi
Standard 2014-07-25 ValidFAA registration status code V: Valid registration. All codes
N2210Q Piper
PA-32R-300
Fixed-wing, single engine Symphony Air LLC
Medford, New York
Standard 2014-07-24 ValidFAA registration status code V: Valid registration. All codes
N14734 Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2014-07-23 ValidFAA registration status code V: Valid registration. All codes
N41769 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2014-07-21 ValidFAA registration status code V: Valid registration. All codes
N62756 Piper
PA-23-250
Fixed-wing, multi-engine Red State LLC
Daytona Beach, Florida
Standard 2014-07-14 ValidFAA registration status code V: Valid registration. All codes
N711JL Piper
PA-32-300
Fixed-wing, single engine Central Iowa Agricultural Aviation LLC
Wellsburg, Iowa
Standard 2014-07-14 ValidFAA registration status code V: Valid registration. All codes
N137JH Piper
PA-31-350
Fixed-wing, multi-engine Flatspin LLC
Belle Chasse, Louisiana
Standard 2014-07-10 ValidFAA registration status code V: Valid registration. All codes
N6170Y Piper
PA-23-250
Fixed-wing, multi-engine Ge Org Advanced Systems LLC
Newton, New Jersey
Standard 2014-07-09 ValidFAA registration status code V: Valid registration. All codes
N8002P Piper
PA-24-250
Fixed-wing, single engine Koerner Aviation INC
Kankakee, Illinois
Standard 2014-07-08 ValidFAA registration status code V: Valid registration. All codes
N27663 Piper
PA-31-350
Fixed-wing, multi-engine Warbelows Air Ventures INC
Fairbanks, Alaska
Standard 2014-07-07 ValidFAA registration status code V: Valid registration. All codes
N5470Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Massachusetts
Standard 2014-07-03 ValidFAA registration status code V: Valid registration. All codes
N27917 Piper
PA-31-350
Fixed-wing, multi-engine Warbelows Air Ventures INC
Fairbanks, Alaska
Standard 2014-07-02 ValidFAA registration status code V: Valid registration. All codes
N1165X Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2014-06-30 ValidFAA registration status code V: Valid registration. All codes
N376NC Piper
PA-31-350
Fixed-wing, multi-engine Lima Delta Company Trustee
New Castle, Delaware
Standard 2014-06-30 ValidFAA registration status code V: Valid registration. All codes
N19277 Cessna
T182T
Fixed-wing, single engine Roundtree Sod Service INC
Jacksonville, Florida
Standard 2014-06-26 ValidFAA registration status code V: Valid registration. All codes
N7LL Cessna
310Q
Fixed-wing, multi-engine Individual owner
California
Standard 2014-06-20 ValidFAA registration status code V: Valid registration. All codes
N515TA Piper
PA 46-350P
Fixed-wing, single engine Tomcat Aviation INC
Tallahassee, Florida
Standard 2014-06-13 ValidFAA registration status code V: Valid registration. All codes
N8797P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2014-06-13 ValidFAA registration status code V: Valid registration. All codes
N4279R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2014-06-12 ValidFAA registration status code V: Valid registration. All codes
N22TK Piper
PA-24-250
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2014-06-11 ValidFAA registration status code V: Valid registration. All codes
N4304L Piper
PA-32R-301T
Fixed-wing, single engine Explorer Sky Ventures LLC
Newark, Delaware
Standard 2014-06-10 ValidFAA registration status code V: Valid registration. All codes
N856RC Piper
PA-32-301T
Fixed-wing, single engine N856Rc LLC
Bow, Washington
Standard 2014-06-10 ValidFAA registration status code V: Valid registration. All codes
N519WA Aero Commander
500 S
Fixed-wing, multi-engine Tropeano Construction INC
Belleview, Florida
Standard 2014-06-09 ValidFAA registration status code V: Valid registration. All codes
N416GS Piper
PA-23-250
Fixed-wing, multi-engine B & K Travel LLC
Wilmington, Delaware
Standard 2014-06-06 ValidFAA registration status code V: Valid registration. All codes
N1JQ Piper
PA-24-260
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-06-05 ValidFAA registration status code V: Valid registration. All codes
N5330A Cessna
T182T
Fixed-wing, single engine Gila Aviation LLC
San Luis, Arizona
Standard 2014-05-29 ValidFAA registration status code V: Valid registration. All codes
N9024P Piper
PA-24-260
Fixed-wing, single engine Blue Skies Above LLC
Bogart, Georgia
Standard 2014-05-28 ValidFAA registration status code V: Valid registration. All codes
N9052P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2014-05-28 ValidFAA registration status code V: Valid registration. All codes
N54004 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2014-05-27 ValidFAA registration status code V: Valid registration. All codes
N601RB Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
California
Standard 2014-05-23 ValidFAA registration status code V: Valid registration. All codes
N4042R Piper
PA-32-300
Fixed-wing, single engine Sutton Aircraft Salvage LLC
Palmer, Alaska
Standard 2014-05-21 ValidFAA registration status code V: Valid registration. All codes
N114JT Rockwell International
114
Fixed-wing, single engine Individual owner
Oregon
Standard 2014-05-20 ValidFAA registration status code V: Valid registration. All codes
N693TC Commander Aircraft Co
114TC
Fixed-wing, single engine Brooks Janousek LLC
Kingsford, Michigan
Standard 2014-05-20 ValidFAA registration status code V: Valid registration. All codes
N9253P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2014-05-15 ValidFAA registration status code V: Valid registration. All codes
N4876S Piper
PA-32-300
Fixed-wing, single engine Ledford Roland S
Borger, Texas
Standard 2014-05-14 ValidFAA registration status code V: Valid registration. All codes
N767CV Piper
PA-32R-301T
Fixed-wing, single engine Ncv LLC
Jacksonville, Florida
Standard 2014-05-14 ValidFAA registration status code V: Valid registration. All codes
N100BS Piper
PA-23-250
Fixed-wing, multi-engine C & C Logging LLC
Kelso, Washington
Standard 2014-05-13 ValidFAA registration status code V: Valid registration. All codes
N8159Y Piper
PA-32R-301T
Fixed-wing, single engine Raven Aviation LLC
Murrayville, Georgia
Standard 2014-05-13 ValidFAA registration status code V: Valid registration. All codes
N4087K Piper
PA-31-350
Fixed-wing, multi-engine Aggie Air INC
Clifton, Texas
Standard 2014-05-12 ValidFAA registration status code V: Valid registration. All codes
N93570 Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2014-05-12 ValidFAA registration status code V: Valid registration. All codes
N9260P Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Minnesota
Standard 2014-05-09 ValidFAA registration status code V: Valid registration. All codes
N72SB Piper
PA-24-260
Fixed-wing, single engine 72 Sierra Bravo LLC
Allegany, New York
Standard 2014-05-06 ValidFAA registration status code V: Valid registration. All codes
N2507Q Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2014-05-01 ValidFAA registration status code V: Valid registration. All codes
N15EA Cessna
T206H
Fixed-wing, single engine Individual owner
Idaho
Standard 2014-04-30 ValidFAA registration status code V: Valid registration. All codes
N343TC Cessna
T182T
Fixed-wing, single engine Two Rivers Aircraft Managmenet LLC
Williamsburg, Virginia
Standard 2014-04-30 ValidFAA registration status code V: Valid registration. All codes
N93505 Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2014-04-23 ValidFAA registration status code V: Valid registration. All codes
N961PA Piper
PA-31-350
Fixed-wing, multi-engine Thiel Bros Roofing INC
Sidney, Montana
Standard 2014-04-18 ValidFAA registration status code V: Valid registration. All codes
N8322P Piper
PA-32R-301T
Fixed-wing, single engine Broken Arrow Crop Insurance INC
Perryton, Texas
Standard 2014-04-16 ValidFAA registration status code V: Valid registration. All codes
N8761H Grumman American Avn. Corp.
G-164A
Fixed-wing, single engine Lejeune Aerial Applications LLC
Basile, Louisiana
Restricted 2014-04-11 ValidFAA registration status code V: Valid registration. All codes
N8165R Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Idaho
Standard 2014-04-10 ValidFAA registration status code V: Valid registration. All codes
N691SC Socata
TB21
Fixed-wing, single engine Southern Cross Aircraft LLC
Fort Lauderdale, Florida
Standard 2014-04-08 ValidFAA registration status code V: Valid registration. All codes
N4173A Piper
PA-32R-301T
Fixed-wing, single engine E Hospital Services INC
Houston, Texas
Standard 2014-04-04 ValidFAA registration status code V: Valid registration. All codes
N3093F Piper
PA-32R-301
Fixed-wing, single engine Churchill Air LLC
Jamestown, New York
Standard 2014-04-03 ValidFAA registration status code V: Valid registration. All codes
N68BK Cessna
T182T
Fixed-wing, single engine Co-owned owner
California
Standard 2014-04-02 ValidFAA registration status code V: Valid registration. All codes
Previous Page 37 of 51 Next

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.