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
N70JM Piper
PA-32R-300
Fixed-wing, single engine Triple M Investments LLC
Whitehall, Pennsylvania
Standard 2019-01-30 ValidFAA registration status code V: Valid registration. All codes
N888YA Piper
PA-31-350
Fixed-wing, multi-engine Ads-B Technologies LLC
Anchorage, Alaska
Standard 2019-01-25 ValidFAA registration status code V: Valid registration. All codes
N4208R Piper
PA-32-300
Fixed-wing, single engine Peh Aviation LLC
Morristown, Tennessee
Standard 2019-01-23 ValidFAA registration status code V: Valid registration. All codes
N8069S Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2019-01-22 ValidFAA registration status code V: Valid registration. All codes
N20817 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2019-01-17 ValidFAA registration status code V: Valid registration. All codes
N5205U Cessna
T182T
Fixed-wing, single engine Individual owner
Washington
Standard 2019-01-15 ValidFAA registration status code V: Valid registration. All codes
N2454F Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2019-01-09 ValidFAA registration status code V: Valid registration. All codes
N6556V Bellanca
17-31A
Fixed-wing, single engine Individual owner
California
Standard 2019-01-09 ValidFAA registration status code V: Valid registration. All codes
N9602E Bellanca
17-31ATC
Fixed-wing, single engine Co-owned owner
Washington
Standard 2019-01-09 ValidFAA registration status code V: Valid registration. All codes
N232YP Piper
PA-24-250
Fixed-wing, single engine Individual owner
Arizona
Standard 2019-01-08 ValidFAA registration status code V: Valid registration. All codes
N8752E Piper
PA-32R-300
Fixed-wing, single engine H & T Air LLC
Huron, South Dakota
Standard 2019-01-08 ValidFAA registration status code V: Valid registration. All codes
N351WT Piper
PA 46-350P
Fixed-wing, single engine Free Bird Air LLC
Raymond, Nebraska
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N4118B Piper
PA-31-350
Fixed-wing, multi-engine 4118B Leasing LLC
Hallandale Beach, Florida
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N72623 Cessna
T206H
Fixed-wing, single engine Law Office of Vincent G Rieger PC
Kalispell, Montana
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N730MC Piper
PA-23-250
Fixed-wing, multi-engine Cpc2 Aviation LLC
Hoover, Alabama
Standard 2019-01-02 ValidFAA registration status code V: Valid registration. All codes
N26GP Piper
PA-31-325
Fixed-wing, multi-engine Gpi Geospatial INC
Orlando, Florida
Standard 2018-12-26 ValidFAA registration status code V: Valid registration. All codes
N8986P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Nevada
Standard 2018-12-21 ValidFAA registration status code V: Valid registration. All codes
N4069W Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2018-12-20 ValidFAA registration status code V: Valid registration. All codes
N8571P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New Mexico
Standard 2018-12-18 ValidFAA registration status code V: Valid registration. All codes
N182HF Cessna
182T
Fixed-wing, single engine Individual owner
Florida
Standard 2018-12-17 ValidFAA registration status code V: Valid registration. All codes
N4085R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2018-12-15 ValidFAA registration status code V: Valid registration. All codes
N3120E Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2018-12-13 ValidFAA registration status code V: Valid registration. All codes
N27ZZ Cessna
310I
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2018-12-11 ValidFAA registration status code V: Valid registration. All codes
N317GC Piper
PA 46-350P
Fixed-wing, single engine Gospel Carrier International INC
North Potomac, Maryland
Standard 2018-12-11 ValidFAA registration status code V: Valid registration. All codes
N245LC Socata
TB21
Fixed-wing, single engine Image Craft LLC
Phoenix, Arizona
Standard 2018-12-10 ValidFAA registration status code V: Valid registration. All codes
N400S Piper
PA-31-310
Fixed-wing, multi-engine Hogan Aviation LLC
Marlton, New Jersey
Standard 2018-12-06 ValidFAA registration status code V: Valid registration. All codes
N8381V Piper
PA-32-301T
Fixed-wing, single engine Aurora Direct LLC
West Linn, Oregon
Standard 2018-12-04 ValidFAA registration status code V: Valid registration. All codes
N108JL Piper
PA-31-350
Fixed-wing, multi-engine Star Marianas Aviation School INC
Saipan, Northern Mariana Islands
Standard 2018-12-01 ValidFAA registration status code V: Valid registration. All codes
N777BS Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2018-12-01 ValidFAA registration status code V: Valid registration. All codes
N63759 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Michigan
Multiple 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N9312P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N14SG Rockwell International
114
Fixed-wing, single engine Co-owned owner
California
Standard 2018-11-29 ValidFAA registration status code V: Valid registration. All codes
N47ER Piper
PA 46-350P
Fixed-wing, single engine 15 East Management INC
Wake Forest, North Carolina
Standard 2018-11-29 ValidFAA registration status code V: Valid registration. All codes
N21NC Piper
PA-23-250
Fixed-wing, multi-engine Bearing Tree Land Surveying LLC
Oklahoma City, Oklahoma
Restricted 2018-11-28 ValidFAA registration status code V: Valid registration. All codes
N20NC Socata
TB21
Fixed-wing, single engine Johnson Professional Aviation LLC
League City, Texas
Standard 2018-11-26 ValidFAA registration status code V: Valid registration. All codes
N56PG Piper
PA-32R-301T
Fixed-wing, single engine Elite Holdings INC
Wilmington, Delaware
Standard 2018-11-26 ValidFAA registration status code V: Valid registration. All codes
N117GH Piper
PA-32R-301T
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2018-11-20 ValidFAA registration status code V: Valid registration. All codes
N6137J Piper
PA-32R-300
Fixed-wing, single engine Bradford III Properties LLC
Huntersville, North Carolina
Standard 2018-11-20 ValidFAA registration status code V: Valid registration. All codes
N8052P Piper
PA-24-250
Fixed-wing, single engine Cornerstone Dec LTD
Chico, California
Standard 2018-11-17 ValidFAA registration status code V: Valid registration. All codes
N8928P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Kansas
Standard 2018-11-17 ValidFAA registration status code V: Valid registration. All codes
N1154X Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2018-11-13 ValidFAA registration status code V: Valid registration. All codes
N141ME Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2018-11-13 ValidFAA registration status code V: Valid registration. All codes
N9289P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2018-11-13 ValidFAA registration status code V: Valid registration. All codes
N300AM Smith
AEROSTAR 601P
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2018-11-08 ValidFAA registration status code V: Valid registration. All codes
N323RF Piper
PA-32R-301T
Fixed-wing, single engine Protem Professionals LLC
Miller Place, New York
Standard 2018-11-08 ValidFAA registration status code V: Valid registration. All codes
N1048D Mooney
M20M
Fixed-wing, single engine Individual owner
Virginia
Standard 2018-11-07 ValidFAA registration status code V: Valid registration. All codes
N4065R Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2018-11-07 ValidFAA registration status code V: Valid registration. All codes
N519WR Piper
PA 46-350P
Fixed-wing, single engine Tsmhta LLC
Indianapolis, Indiana
Standard 2018-11-07 ValidFAA registration status code V: Valid registration. All codes
N1355T Piper
PA-32-300
Fixed-wing, single engine Rmf Trucking LLC
Tuscaloosa, Alabama
Standard 2018-11-06 ValidFAA registration status code V: Valid registration. All codes
N2209T Piper
PA-32-300
Fixed-wing, single engine Sngdo Aviation LLC
Spring Hill, Florida
Standard 2018-11-06 ValidFAA registration status code V: Valid registration. All codes
N6215X Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2018-11-06 ValidFAA registration status code V: Valid registration. All codes
N973CP Piper
PA32-301XTC
Fixed-wing, single engine Tarpon Air LLC
St Pete Beach, Florida
Standard 2018-11-01 ValidFAA registration status code V: Valid registration. All codes
N8673N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Idaho
Standard 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N6711Y Piper
PA-23-250
Fixed-wing, multi-engine Aero Services Lc
Woods Cross, Utah
Standard 2018-10-26 ValidFAA registration status code V: Valid registration. All codes
N9219P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2018-10-26 ValidFAA registration status code V: Valid registration. All codes
N725TB Socata
TB21
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N1888E Socata
TB21
Fixed-wing, single engine Individual owner
New York
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N954TT Piper
PA-32R-300
Fixed-wing, single engine Air Hooker LLC
Oakland Park, Florida
Standard 2018-10-22 ValidFAA registration status code V: Valid registration. All codes
N6273J Piper
PA-32R-300
Fixed-wing, single engine Lance J Piper LLC
Green Bay, Wisconsin
Standard 2018-10-19 ValidFAA registration status code V: Valid registration. All codes
N8826P Piper
PA-24-260
Fixed-wing, single engine Ingalls Equipment LLC
Redlands, California
Standard 2018-10-16 ValidFAA registration status code V: Valid registration. All codes
N88RH Piper
PA-32R-300
Fixed-wing, single engine Keystone Flyer LLC
Avon, Indiana
Standard 2018-10-15 ValidFAA registration status code V: Valid registration. All codes
N5922Y Piper
PA-23-250
Fixed-wing, multi-engine Ultimate Air Parts LLC
Strasburg, Virginia
Standard 2018-10-10 ValidFAA registration status code V: Valid registration. All codes
N4019R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Washington
Standard 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N8549A Aerofab Inc
LAKE 250
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2018-10-03 ValidFAA registration status code V: Valid registration. All codes
N507JB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2018-10-02 ValidFAA registration status code V: Valid registration. All codes
N5911Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Tennessee
Standard 2018-09-28 ValidFAA registration status code V: Valid registration. All codes
N27527 Piper
PA-31-350
Fixed-wing, multi-engine N27527 LLC
Florence, South Carolina
Standard 2018-09-27 ValidFAA registration status code V: Valid registration. All codes
N9259P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Rhode Island
Standard 2018-09-26 ValidFAA registration status code V: Valid registration. All codes
N182BZ Cessna
R182
Fixed-wing, single engine Individual owner
Arizona
Standard 2018-09-25 ValidFAA registration status code V: Valid registration. All codes
N9516E Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Illinois
Standard 2018-09-24 ValidFAA registration status code V: Valid registration. All codes
N9246P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2018-09-17 ValidFAA registration status code V: Valid registration. All codes
N349MA Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N4162R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N555PR Piper
PA-23-250
Fixed-wing, multi-engine Harlan Thomas D
Fresno, California
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N65324 Cessna
182T
Fixed-wing, single engine Individual owner
Florida
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N60MB Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
None on file 2018-09-11 ValidFAA registration status code V: Valid registration. All codes
N4043M Piper
PA-31-350
Fixed-wing, multi-engine Premier Air Charters INC
Coram, New York
Standard 2018-09-10 ValidFAA registration status code V: Valid registration. All codes
N7069D Piper
PA-31-310
Fixed-wing, multi-engine So Many Trees LLC
Hanover, New Hampshire
Standard 2018-09-08 ValidFAA registration status code V: Valid registration. All codes
N2098C Cessna
T182T
Fixed-wing, single engine Individual owner
Connecticut
Standard 2018-09-05 ValidFAA registration status code V: Valid registration. All codes
N6868A Piper
PA-23-250
Fixed-wing, multi-engine Flamingo Air INC
Cincinnati, Ohio
Standard 2018-09-04 ValidFAA registration status code V: Valid registration. All codes
N53682 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
North Carolina
Standard 2018-08-31 ValidFAA registration status code V: Valid registration. All codes
N4033R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2018-08-30 ValidFAA registration status code V: Valid registration. All codes
N4328B Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2018-08-29 ValidFAA registration status code V: Valid registration. All codes
N5198G Cessna
T182T
Fixed-wing, single engine Individual owner
Nevada
Standard 2018-08-29 ValidFAA registration status code V: Valid registration. All codes
N458MG Cessna
T182T
Fixed-wing, single engine Flywheel LLC
Charleston, West Virginia
Standard 2018-08-27 ValidFAA registration status code V: Valid registration. All codes
N15293 Piper
PA-32-300
Fixed-wing, single engine Individual owner
New York
Standard 2018-08-25 ValidFAA registration status code V: Valid registration. All codes
N589RT Cessna
T206H
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2018-08-22 ValidFAA registration status code V: Valid registration. All codes
N161BL Aero Commander
500-B
Fixed-wing, multi-engine Airborne Holdings INC
Midlothian, Texas
Standard 2018-08-21 ValidFAA registration status code V: Valid registration. All codes
N812MB Piper
PA 46-350P
Fixed-wing, single engine Co-owned owner
Texas
Standard 2018-08-21 ValidFAA registration status code V: Valid registration. All codes
N850CM Beech
A60
Fixed-wing, multi-engine N850Cm LLC
San Luis Obispo, California
Standard 2018-08-18 ValidFAA registration status code V: Valid registration. All codes
N84481 Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2018-08-17 ValidFAA registration status code V: Valid registration. All codes
N43CC Piper
PA-23-250
Fixed-wing, multi-engine Wpb Pilot Service LLC
West Palm Beach, Florida
Standard 2018-08-13 ValidFAA registration status code V: Valid registration. All codes
N555UW Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Georgia
Standard 2018-08-08 ValidFAA registration status code V: Valid registration. All codes
N2681T Piper
PA-28-235
Fixed-wing, single engine Individual owner
Texas
Standard 2018-08-07 ValidFAA registration status code V: Valid registration. All codes
N8984P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Oregon
Standard 2018-08-07 ValidFAA registration status code V: Valid registration. All codes
N787AR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2018-08-03 ValidFAA registration status code V: Valid registration. All codes
N2821G Piper
PA-32-300
Fixed-wing, single engine H&M Air LLC
Metamora, Michigan
Standard 2018-08-02 ValidFAA registration status code V: Valid registration. All codes
N362AB Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2018-08-02 ValidFAA registration status code V: Valid registration. All codes
N92LL Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2018-08-02 ValidFAA registration status code V: Valid registration. All codes
N832TC Cessna
182T
Fixed-wing, single engine Four Pines LLC
Grand Rapids, Minnesota
Standard 2018-07-31 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.