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
N8186F Piper
PA-32R-300
Fixed-wing, single engine N8186F INC
Danville, Indiana
Standard 2001-12-20 ValidFAA registration status code V: Valid registration. All codes
N1258Q Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Tennessee
Standard 2001-11-26 ValidFAA registration status code V: Valid registration. All codes
N750GV Piper
PA-32R-301T
Fixed-wing, single engine Trak INC
Gainesville, Georgia
Standard 2001-11-01 ValidFAA registration status code V: Valid registration. All codes
N531SA Aero Commander
500 S
Fixed-wing, multi-engine Spur Aviation Services Lc
Twin Falls, Idaho
Standard 2001-10-30 ValidFAA registration status code V: Valid registration. All codes
N135RJ Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2001-10-16 ValidFAA registration status code V: Valid registration. All codes
N3579Q Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Michigan
Standard 2001-09-27 ValidFAA registration status code V: Valid registration. All codes
N32187 Piper
PA-32-300
Fixed-wing, single engine Free Lutheran Association of Pilot Supporters INC
Plymouth, Minnesota
Standard 2001-09-26 ValidFAA registration status code V: Valid registration. All codes
N706SP Piper
PA-23-250
Fixed-wing, multi-engine Eastern Cincinnati Aviation INC
Batavia, Ohio
Standard 2001-08-29 ValidFAA registration status code V: Valid registration. All codes
N9Q Piper
PA-31-325
Fixed-wing, multi-engine Executive Express LLC
Elizabeth City, North Carolina
Standard 2001-08-24 ValidFAA registration status code V: Valid registration. All codes
N8689N Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
New Jersey
Standard 2001-08-14 ValidFAA registration status code V: Valid registration. All codes
N2441G Cessna
T206H
Fixed-wing, single engine Individual owner
Oregon
Standard 2001-07-26 ValidFAA registration status code V: Valid registration. All codes
N828SR Piper
PA-32RT-300T
Fixed-wing, single engine Gulfcoast Aviation INC
Wilmington, Delaware
Standard 2001-07-25 ValidFAA registration status code V: Valid registration. All codes
N511HP Cessna
T206H
Fixed-wing, single engine California Highway Patrol
Sacramento, California
Standard 2001-07-23 ValidFAA registration status code V: Valid registration. All codes
N9195P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Indiana
Standard 2001-07-19 ValidFAA registration status code V: Valid registration. All codes
N321SP Piper
PA-32-300
Fixed-wing, single engine West Electrical Contractors INC
Newberry, South Carolina
Standard 2001-07-17 ValidFAA registration status code V: Valid registration. All codes
N8322L Piper
PA-32R-301T
Fixed-wing, single engine Horizon Aviation of Myrtle Beach LLC
Myrtle Beach, South Carolina
Standard 2001-07-10 ValidFAA registration status code V: Valid registration. All codes
N234BL Mooney
M20M
Fixed-wing, single engine Individual owner
Illinois
Standard 2001-07-05 ValidFAA registration status code V: Valid registration. All codes
N6754Y Piper
PA-23-250
Fixed-wing, multi-engine November Nine One Four Eight Juliet LLC
Fulton, Missouri
Standard 2001-07-05 ValidFAA registration status code V: Valid registration. All codes
N6971Y Piper
PA-23-250
Fixed-wing, multi-engine November Nine One Four Eight Juliet LLC
Fulton, Missouri
Standard 2001-07-05 ValidFAA registration status code V: Valid registration. All codes
N4163P Piper
PA 46-350P
Fixed-wing, single engine Malibu Aviation LLC
Bloomfield Hills, Michigan
Standard 2001-06-29 ValidFAA registration status code V: Valid registration. All codes
N30082 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Utah
Standard 2001-06-19 ValidFAA registration status code V: Valid registration. All codes
N38597 Piper
PA-32R-300
Fixed-wing, single engine Bad Dog Aviation INC
Meridianville, Alabama
Standard 2001-05-19 ValidFAA registration status code V: Valid registration. All codes
N830MC Piper
PA-31-310
Fixed-wing, multi-engine Armor Packaging CORP
Piedmont, South Carolina
Standard 2001-05-12 ValidFAA registration status code V: Valid registration. All codes
N516CL Cessna
T206H
Fixed-wing, single engine Individual owner
New Mexico
Standard 2001-05-07 ValidFAA registration status code V: Valid registration. All codes
N6401Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2001-05-05 ValidFAA registration status code V: Valid registration. All codes
N611WW Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New Mexico
Standard 2001-04-27 ValidFAA registration status code V: Valid registration. All codes
N6857Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Kansas
Standard 2001-04-20 ValidFAA registration status code V: Valid registration. All codes
N6762L Piper
PA-31-310
Fixed-wing, multi-engine Summit Aviation LLC
Sun Valley, Idaho
Standard 2001-04-09 ValidFAA registration status code V: Valid registration. All codes
N878MJ Piper
PA-32-300
Fixed-wing, single engine Jackson Air LLC
Paragould, Arkansas
Standard 2001-04-09 ValidFAA registration status code V: Valid registration. All codes
N24301 Cessna
T206H
Fixed-wing, single engine Co-owned owner
California
Standard 2001-03-23 ValidFAA registration status code V: Valid registration. All codes
N9148W Mooney
M20M
Fixed-wing, single engine D & D Kaye INC
Santa Clara, California
Standard 2001-03-02 ValidFAA registration status code V: Valid registration. All codes
N949WA Piper
PA-31-325
Fixed-wing, multi-engine P S S Air INC
Middlesboro, Kentucky
Standard 2001-03-02 ValidFAA registration status code V: Valid registration. All codes
N8954N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2001-02-27 ValidFAA registration status code V: Valid registration. All codes
N8813P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2001-02-20 ValidFAA registration status code V: Valid registration. All codes
N420AR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2001-02-03 ValidFAA registration status code V: Valid registration. All codes
N55159 Piper
PA-32-300
Fixed-wing, single engine Individual owner
South Dakota
Standard 2001-02-03 ValidFAA registration status code V: Valid registration. All codes
N75143 Piper
PA-32R-300
Fixed-wing, single engine Individual owner
California
Standard 2001-01-31 ValidFAA registration status code V: Valid registration. All codes
N7648V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2001-01-27 ValidFAA registration status code V: Valid registration. All codes
N69FM Piper
PA-32R-300
Fixed-wing, single engine Airtime LLC
South Lyon, Michigan
Standard 2001-01-09 ValidFAA registration status code V: Valid registration. All codes
N8962N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Delaware
Standard 2001-01-04 ValidFAA registration status code V: Valid registration. All codes
N8903P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2000-11-21 ValidFAA registration status code V: Valid registration. All codes
N620BC Piper
PA-32-260
Fixed-wing, single engine Individual owner
Missouri
Standard 2000-10-30 ValidFAA registration status code V: Valid registration. All codes
N2440V Cessna
T206H
Fixed-wing, single engine Individual owner
Oregon
Standard 2000-10-27 ValidFAA registration status code V: Valid registration. All codes
N80FF Piper
PA-23-250
Fixed-wing, multi-engine P A M Aviation LLC
Portsmouth, New Hampshire
Standard 2000-10-19 ValidFAA registration status code V: Valid registration. All codes
N5825Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Montana
Standard 2000-10-12 ValidFAA registration status code V: Valid registration. All codes
N9089P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2000-10-11 ValidFAA registration status code V: Valid registration. All codes
N538SB Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
North Carolina
Standard 2000-09-29 ValidFAA registration status code V: Valid registration. All codes
N6164Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2000-09-29 ValidFAA registration status code V: Valid registration. All codes
N6664Y Piper
PA-23-250
Fixed-wing, multi-engine Smooth Air INC
Ocala, Florida
Standard 2000-09-13 ValidFAA registration status code V: Valid registration. All codes
N250ME Cessna
T206H
Fixed-wing, single engine Lake Superior Aviation LLP
Duluth, Minnesota
Standard 2000-09-11 ValidFAA registration status code V: Valid registration. All codes
N83JF Toms Christopher Robin
LANCAIR IV
Fixed-wing, single engine Individual owner
Washington
Experimental 2000-08-23 ValidFAA registration status code V: Valid registration. All codes
N6418Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2000-08-10 ValidFAA registration status code V: Valid registration. All codes
N2171Q Mooney
M20M
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2000-08-03 ValidFAA registration status code V: Valid registration. All codes
N4169R Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 2000-08-01 ValidFAA registration status code V: Valid registration. All codes
N9358P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Idaho
Standard 2000-07-25 ValidFAA registration status code V: Valid registration. All codes
N720JB Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arkansas
Standard 2000-07-19 ValidFAA registration status code V: Valid registration. All codes
N892RC Piper
PA-24-260
Fixed-wing, single engine Smw-Cjh CORP
Wilmington, Delaware
Standard 2000-07-13 ValidFAA registration status code V: Valid registration. All codes
N40400 Piper
PA-23-250
Fixed-wing, multi-engine R & P Aero LLC
Grand Haven, Michigan
Standard 2000-07-11 ValidFAA registration status code V: Valid registration. All codes
N4375Q Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Connecticut
Standard 2000-06-30 ValidFAA registration status code V: Valid registration. All codes
N28HS Piper
PA-32-300
Fixed-wing, single engine Individual owner
Missouri
Standard 2000-06-22 ValidFAA registration status code V: Valid registration. All codes
N8962P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2000-06-22 ValidFAA registration status code V: Valid registration. All codes
N4114W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2000-06-14 ValidFAA registration status code V: Valid registration. All codes
N4088B Bellanca
17-31ATC
Fixed-wing, single engine Clinic Air Aviation INC
Chapmansboro, Tennessee
Standard 2000-05-31 ValidFAA registration status code V: Valid registration. All codes
N555GT Piper
PA-31-350
Fixed-wing, multi-engine
Standard 2000-05-24 ValidFAA registration status code V: Valid registration. All codes
N3019K Piper
PA-32RT-300T
Fixed-wing, single engine Colorado Air LLC
Colorado Springs, Colorado
Standard 2000-04-27 ValidFAA registration status code V: Valid registration. All codes
N817TR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2000-04-10 ValidFAA registration status code V: Valid registration. All codes
N611HM Smith
AEROSTAR 601P
Fixed-wing, multi-engine Physical Systems INC
Carson City, Nevada
Standard 2000-03-29 ValidFAA registration status code V: Valid registration. All codes
N5713Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2000-03-27 ValidFAA registration status code V: Valid registration. All codes
N310PG Piper
PA-31-310
Fixed-wing, multi-engine Mid-South Bulk Services INC
West Memphis, Arkansas
Standard 2000-03-22 ValidFAA registration status code V: Valid registration. All codes
N353CC Aero Commander
500-B
Fixed-wing, multi-engine Three Jay Enterprises LLC
Los Altos, California
Standard 2000-02-28 ValidFAA registration status code V: Valid registration. All codes
N8191H Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2000-01-04 ValidFAA registration status code V: Valid registration. All codes
N33645 Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Mexico
Standard 1999-12-23 ValidFAA registration status code V: Valid registration. All codes
N62688 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 1999-12-21 ValidFAA registration status code V: Valid registration. All codes
N8138P Piper
PA-24-250
Fixed-wing, single engine Frank Castillo Dds INC
San Jose, California
Standard 1999-12-09 ValidFAA registration status code V: Valid registration. All codes
N8287R Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
Indiana
Standard 1999-10-29 ValidFAA registration status code V: Valid registration. All codes
N27349 Piper
PA-31-310
Fixed-wing, multi-engine Co-owned owner
Nebraska
Standard 1999-10-27 ValidFAA registration status code V: Valid registration. All codes
N21313 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 1999-10-20 ValidFAA registration status code V: Valid registration. All codes
N4210R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Oregon
Standard 1999-10-18 ValidFAA registration status code V: Valid registration. All codes
N93554 Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Illinois
Standard 1999-10-05 ValidFAA registration status code V: Valid registration. All codes
N204SC Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 1999-09-17 ValidFAA registration status code V: Valid registration. All codes
N58PG Piper
PA-23-250
Fixed-wing, multi-engine Teterboro School of Aeronautics INC
Virginia Beach, Virginia
Standard 1999-09-15 ValidFAA registration status code V: Valid registration. All codes
N991AS Piper
PA-32R-301T
Fixed-wing, single engine Aero Training Services INC
Lake City, Florida
Standard 1999-09-13 ValidFAA registration status code V: Valid registration. All codes
N2638U Cessna
T206H
Fixed-wing, single engine Lindsey Aviation Services
Haslet, Texas
Standard 1999-09-01 ValidFAA registration status code V: Valid registration. All codes
N711BA Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 1999-08-28 ValidFAA registration status code V: Valid registration. All codes
N62557 Piper
PA-23-250
Fixed-wing, multi-engine Yukon Intermountain INC
Anchorage, Alaska
Standard 1999-08-18 ValidFAA registration status code V: Valid registration. All codes
N6644B Cessna
310B
Fixed-wing, multi-engine N6644B LLC
Cresson, Texas
Standard 1999-08-13 ValidFAA registration status code V: Valid registration. All codes
N8802P Piper
PA-24-260
Fixed-wing, single engine Pennington Mitchell T
Medley, West Virginia
Standard 1999-08-03 ValidFAA registration status code V: Valid registration. All codes
N129RC Mooney
M20M
Fixed-wing, single engine Airris Aviation & Marine CO
N Fort Myers, Florida
Standard 1999-08-02 ValidFAA registration status code V: Valid registration. All codes
N39541 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
North Carolina
Standard 1999-07-15 ValidFAA registration status code V: Valid registration. All codes
N349CH Piper
PA-23-250
Fixed-wing, multi-engine Ace Flight Center INC
St Thomas, U.S. Virgin Islands
Standard 1999-07-09 ValidFAA registration status code V: Valid registration. All codes
N22370 Piper
PA-32RT-300T
Fixed-wing, single engine Top Flight Sales INC
Wilmington, Delaware
Standard 1999-06-19 ValidFAA registration status code V: Valid registration. All codes
N9149P Mooney
M20M
Fixed-wing, single engine Justack Aviation INC
Columbus, Indiana
Standard 1999-06-17 ValidFAA registration status code V: Valid registration. All codes
N20506 Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 1999-06-09 ValidFAA registration status code V: Valid registration. All codes
N1085Z Mooney
M20M
Fixed-wing, single engine Beehive Communications INC
Providence, Rhode Island
Standard 1999-06-07 ValidFAA registration status code V: Valid registration. All codes
N549JB Piper
PA-31-350
Fixed-wing, multi-engine Blue Bird Aviation LLC
Ocean City, Maryland
Standard 1999-05-21 ValidFAA registration status code V: Valid registration. All codes
N760PS Piper
PA-32R-300
Fixed-wing, single engine Eagle Squadron INC
The Villages, Florida
Standard 1999-04-30 ValidFAA registration status code V: Valid registration. All codes
N2650V Cessna
T206H
Fixed-wing, single engine Individual owner
Minnesota
Standard 1999-04-21 ValidFAA registration status code V: Valid registration. All codes
N8677N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Utah
Standard 1999-04-14 ValidFAA registration status code V: Valid registration. All codes
N4139T Piper
PA 46-350P
Fixed-wing, single engine Malibu Mirage INC
Eugene, Oregon
Standard 1999-04-12 ValidFAA registration status code V: Valid registration. All codes
N4371F Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
California
Standard 1999-04-12 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.