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.

Fitted to model families

Piper PA-32 Cherokee Six, Lance and Saratoga1,727Piper PA-31 Navajo and Chieftain561Piper PA-24 Comanche535Piper PA-23 Apache and Aztec513Cessna T182 Turbo Skylane313Piper PA-46 Malibu, Mirage, Matrix and M-Class254Cessna T206 Turbo Stationair253Mooney M-20223Bellanca 17 Viking109Aero Commander 50095Rockwell International 11476Smith AEROSTAR 60173

Piper PA-32 Cherokee Six, Lance and Saratoga · Piper PA-31 Navajo and Chieftain · Piper PA-24 Comanche · Piper PA-23 Apache and Aztec · Cessna T182 Turbo Skylane · Piper PA-46 Malibu, Mirage, Matrix and M-Class · Cessna T206 Turbo Stationair · Mooney M-20 · Bellanca 17 Viking · Aero Commander 500

Where they are owner's state

Florida518Texas493California391Delaware238Arizona150Colorado142Georgia135Ohio129Alaska127Tennessee117

Kind of aircraft

Piston singles3,407 (67%)Piston twins1,350 (27%)Turboprops319 (6%)Helicopters3 (0.1%)

When the aircraft were built by decade

04288561,2841,7121940195019601970198019902000201042020

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

Parts most often reported as the reports name them

Bolt15Pump10Cylinder8Regulator8Skin8Tube8Spar7Wheel7Bearing6Brace6

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
N77DU Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
California
Standard 2023-12-07 ValidFAA registration status code V: Valid registration. All codes
N444JK Piper
PA-23-250
Fixed-wing, multi-engine Hodges Aviation LLC
Cleburne, Texas
Standard 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N5190A Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N5359Y Piper
PA-23-250
Fixed-wing, multi-engine Majeste Air LLC
Loveland, Colorado
Standard 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N818CC Piper
PA-23-250
Fixed-wing, multi-engine Flyit LLC
Camas, Washington
Standard 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N138R Piper
PA-31
Fixed-wing, multi-engine A & K Aviation LLC
Wenatchee, Washington
Standard 2023-12-05 ValidFAA registration status code V: Valid registration. All codes
N75387 Piper
PA-32R-300
Fixed-wing, single engine Latitude 63 LLC
Anchorage, Alaska
Standard 2023-12-05 ValidFAA registration status code V: Valid registration. All codes
N8741P Piper
PA-24-260
Fixed-wing, single engine Crimson Dawn Aviation LLC
Vinton, Louisiana
Standard 2023-12-05 ValidFAA registration status code V: Valid registration. All codes
N787RW Piper
PA-31-350
Fixed-wing, multi-engine Jw Venture Aviation LLC
Concord, North Carolina
Standard 2023-12-04 ValidFAA registration status code V: Valid registration. All codes
N2288Q Piper
PA-32R-300
Fixed-wing, single engine Midnight 30 LLC
Columbia, Mississippi
Standard 2023-12-01 ValidFAA registration status code V: Valid registration. All codes
N325BB Piper
PA-31-325
Fixed-wing, multi-engine Capital City Curb & Gutter LLC
Wake Forest, North Carolina
Standard 2023-12-01 ValidFAA registration status code V: Valid registration. All codes
N59936 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2023-11-30 ValidFAA registration status code V: Valid registration. All codes
N2156N Cessna
T206H
Fixed-wing, single engine Terryair LLC
Missoula, Montana
Standard 2023-11-29 ValidFAA registration status code V: Valid registration. All codes
N33TL Piper
PA-31-325
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2023-11-29 ValidFAA registration status code V: Valid registration. All codes
N96JD Mooney
M20M
Fixed-wing, single engine Individual owner
Montana
Standard 2023-11-29 ValidFAA registration status code V: Valid registration. All codes
N432CW Piper
PA-31-325
Fixed-wing, multi-engine Valiair Lc Trustee
Casper, Wyoming
Standard 2023-11-28 ValidFAA registration status code V: Valid registration. All codes
N8698N Piper
PA-32-300
Fixed-wing, single engine Under Bridge LLC
Wilmington, Delaware
Standard 2023-11-28 ValidFAA registration status code V: Valid registration. All codes
N9293P Piper
PA-24-260
Fixed-wing, single engine Centerline Holdings INC
Camden, Delaware
Standard 2023-11-28 ValidFAA registration status code V: Valid registration. All codes
N345RP Piper
PA 46-350P
Fixed-wing, single engine Mcdole Consulting LLC
Southern Shores, North Carolina
Standard 2023-11-27 ValidFAA registration status code V: Valid registration. All codes
N53521 Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2023-11-26 ValidFAA registration status code V: Valid registration. All codes
N824GT Socata
TB21
Fixed-wing, single engine Bmi Aviation LLC
Bartlesville, Oklahoma
Standard 2023-11-26 ValidFAA registration status code V: Valid registration. All codes
N43TR Cessna
T182T
Fixed-wing, single engine Meichelle Enterprises INC
Santa Barbara, California
Standard 2023-11-25 ValidFAA registration status code V: Valid registration. All codes
N8942N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-11-21 ValidFAA registration status code V: Valid registration. All codes
N91727 Mooney
M20M
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2023-11-21 ValidFAA registration status code V: Valid registration. All codes
N555SS Rockwell International
114
Fixed-wing, single engine Skylink Group LLC
York, Pennsylvania
Standard 2023-11-16 ValidFAA registration status code V: Valid registration. All codes
N41365 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2023-11-15 ValidFAA registration status code V: Valid registration. All codes
N9450P Piper
PA-24-260
Fixed-wing, single engine Smh Aviation LLC
Dallas, Texas
Standard 2023-11-15 ValidFAA registration status code V: Valid registration. All codes
N74WD Bellanca
17-31ATC
Fixed-wing, single engine Nevada Viking Partners LLC
Stateline, Nevada
Standard 2023-11-14 ValidFAA registration status code V: Valid registration. All codes
N4112K Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Alaska
Standard 2023-11-13 ValidFAA registration status code V: Valid registration. All codes
N4327W Piper
PA-32R-301T
Fixed-wing, single engine Devline Air LLC
Little Rock, Arkansas
Standard 2023-11-13 ValidFAA registration status code V: Valid registration. All codes
N607JW Piper
PA-32R-300
Fixed-wing, single engine Mid-South Bulk Services INC
West Memphis, Arkansas
Standard 2023-11-13 ValidFAA registration status code V: Valid registration. All codes
N46P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2023-11-10 ValidFAA registration status code V: Valid registration. All codes
N727CJ Rockwell International
114
Fixed-wing, single engine Mgr Aviation LLC
Chelsea, Michigan
Standard 2023-11-10 ValidFAA registration status code V: Valid registration. All codes
N8809P Piper
PA-24-260
Fixed-wing, single engine Pa24 LLC
Painesville, Ohio
Standard 2023-11-10 ValidFAA registration status code V: Valid registration. All codes
N300JP Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
California
Standard 2023-11-09 ValidFAA registration status code V: Valid registration. All codes
N10PJ Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kentucky
Standard 2023-11-08 ValidFAA registration status code V: Valid registration. All codes
N120JD Piper
PA-31-350
Fixed-wing, multi-engine Lamb Aviation LLC
Perris, California
Standard 2023-11-07 ValidFAA registration status code V: Valid registration. All codes
N15172 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Michigan
Standard 2023-11-07 ValidFAA registration status code V: Valid registration. All codes
N65908 Cessna
T182T
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2023-11-07 ValidFAA registration status code V: Valid registration. All codes
N116SM Cessna
T182T
Fixed-wing, single engine Archie Aero LLC
Beaverton, Oregon
Standard 2023-11-06 ValidFAA registration status code V: Valid registration. All codes
N39525 Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2023-11-06 ValidFAA registration status code V: Valid registration. All codes
N41492 Piper
PA-32R-301T
Fixed-wing, single engine Charter Air Travel LLC
Mount Pleasant, South Carolina
Standard 2023-11-05 ValidFAA registration status code V: Valid registration. All codes
N2FX Piper
PA-23-250
Fixed-wing, multi-engine Plane Crazy Aviation LLC
Hollywood, South Carolina
Standard 2023-11-04 ValidFAA registration status code V: Valid registration. All codes
N3545J Cessna
182T
Fixed-wing, single engine Barr Air Patrol LLC
Mesquite, Texas
Standard 2023-11-04 ValidFAA registration status code V: Valid registration. All codes
N5MH Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2023-11-04 ValidFAA registration status code V: Valid registration. All codes
N198TC Piper
PA-32R-301T
Fixed-wing, single engine Sky Ryder Aviation LLC
Lewisville, Texas
Standard 2023-11-03 ValidFAA registration status code V: Valid registration. All codes
N73RT Piper
PA-31-350
Fixed-wing, multi-engine Regent Trust CORP Trustee
Wichita, Kansas
Standard 2023-11-03 ValidFAA registration status code V: Valid registration. All codes
N65971 Cessna
T182T
Fixed-wing, single engine Georgalos Aircraft LLC
Eagle Point, Oregon
Standard 2023-11-02 ValidFAA registration status code V: Valid registration. All codes
N140RM Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2023-11-01 ValidFAA registration status code V: Valid registration. All codes
N57882 Piper
PA-36-300
Fixed-wing, single engine Dakota Air Spray LLC
Huron, South Dakota
Restricted 2023-11-01 ValidFAA registration status code V: Valid registration. All codes
N6823Y Piper
PA-23-250
Fixed-wing, multi-engine Wingsleasing LLC
Wichita, Kansas
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N32BV Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Florida
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N8813C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N89PA Cessna
T206H
Fixed-wing, single engine Individual owner
Oregon
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N9356P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N9205P Piper
PA-24-260
Fixed-wing, single engine Dt Pralle Enterprise INC
Hampton, Iowa
Standard 2023-10-28 ValidFAA registration status code V: Valid registration. All codes
N181KC Piper
PA-32R-301T
Fixed-wing, single engine Gillette Investing LLC
Sioux City, Iowa
Standard 2023-10-26 ValidFAA registration status code V: Valid registration. All codes
N237RE Cessna
T182T
Fixed-wing, single engine Individual owner
Nevada
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N4030R Piper
PA-32-300
Fixed-wing, single engine Dsp Investments LLC
Long Beach, California
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N5247F Piper
PA-32-300
Fixed-wing, single engine Individual owner
Louisiana
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N8180D Piper
PA-32R-301T
Fixed-wing, single engine Bobert Bunny LLC
Wilmington, Delaware
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N255G Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2023-10-24 ValidFAA registration status code V: Valid registration. All codes
N6940F Piper
PA-32R-300
Fixed-wing, single engine Rebel Ranch LLC
Glenwood, Arkansas
Standard 2023-10-24 ValidFAA registration status code V: Valid registration. All codes
N9458P Piper
PA-24-260
Fixed-wing, single engine American Standard Aviation LLC
Burleson, Texas
Standard 2023-10-24 ValidFAA registration status code V: Valid registration. All codes
N4711W Rockwell International
114
Fixed-wing, single engine Walkabout Holdings INC
Dover, Delaware
Standard 2023-10-23 ValidFAA registration status code V: Valid registration. All codes
N1083T Mooney
M20M
Fixed-wing, single engine Individual owner
New York
Standard 2023-10-21 ValidFAA registration status code V: Valid registration. All codes
N32655 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2023-10-21 ValidFAA registration status code V: Valid registration. All codes
N65445 Cessna
T182T
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2023-10-20 ValidFAA registration status code V: Valid registration. All codes
N35187 Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-10-17 ValidFAA registration status code V: Valid registration. All codes
N9438P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-10-17 ValidFAA registration status code V: Valid registration. All codes
N4429X Piper
PA-32-300
Fixed-wing, single engine Pearls Pilot LLC
Jefferson City, Missouri
Standard 2023-10-16 ValidFAA registration status code V: Valid registration. All codes
N8424A Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Florida
Standard 2023-10-16 ValidFAA registration status code V: Valid registration. All codes
N942RB Cessna
T206H
Fixed-wing, single engine Jf Aviation LLC
Minot, North Dakota
Standard 2023-10-15 ValidFAA registration status code V: Valid registration. All codes
N419RT Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-10-14 ValidFAA registration status code V: Valid registration. All codes
N35440 Cessna
T206H
Fixed-wing, single engine Norwood Jon D
Damon, Texas
Standard 2023-10-13 ValidFAA registration status code V: Valid registration. All codes
N224JJ Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Kentucky
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N4122W Piper
PA-32-300
Fixed-wing, single engine Go West Aviation LLC
Gillette, Wyoming
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N8170S Piper
PA-32R-301T
Fixed-wing, single engine Skywagons.Com LLC
Placerville, California
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N9338P Piper
PA-24-260
Fixed-wing, single engine Dream Home Aviation INC
New Smyrna Beach, Florida
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N9652K Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N1088T Mooney
M20M
Fixed-wing, single engine Co-owned owner
Wyoming
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N8238D Piper
PA-32-301T
Fixed-wing, single engine Aviation Therapy LLC
Livingston, New Jersey
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N8700P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Utah
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N8999P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N44661 Piper
PA-32-300
Fixed-wing, single engine Family Flyer Six LLC
Columbus, Indiana
Standard 2023-10-07 ValidFAA registration status code V: Valid registration. All codes
N622AJ Piper
PA-31-325
Fixed-wing, multi-engine Yonder CORP
Wilmington, Delaware
Standard 2023-10-07 ValidFAA registration status code V: Valid registration. All codes
N52715 Cessna
T182T
Fixed-wing, single engine Echo Sierra 54 LLC
Hagerstown, Maryland
Standard 2023-10-06 ValidFAA registration status code V: Valid registration. All codes
N21AG Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Florida
Standard 2023-10-05 ValidFAA registration status code V: Valid registration. All codes
N2932Q Piper
PA-32-300
Fixed-wing, single engine K & W Aviation LLC
Jackson, Tennessee
Standard 2023-10-05 ValidFAA registration status code V: Valid registration. All codes
N7392V Bellanca
17-31
Fixed-wing, single engine Brown Mill Ranch LLC
Lamar, Colorado
Standard 2023-10-04 ValidFAA registration status code V: Valid registration. All codes
N8067P Piper
PA-24-250
Fixed-wing, single engine Individual owner
Missouri
Standard 2023-10-04 ValidFAA registration status code V: Valid registration. All codes
N9127P Piper
PA-24-260
Fixed-wing, single engine Miscellaneous Metals LLC
Thaxton, Mississippi
Standard 2023-10-04 ValidFAA registration status code V: Valid registration. All codes
N9267P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2023-10-04 ValidFAA registration status code V: Valid registration. All codes
N892TG Piper
PA-31-325
Fixed-wing, multi-engine Teo Steel INC
Ramer, Tennessee
Standard 2023-09-30 ValidFAA registration status code V: Valid registration. All codes
N9102P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Utah
Standard 2023-09-28 ValidFAA registration status code V: Valid registration. All codes
N40919 Piper
PA-31-350
Fixed-wing, multi-engine Asb1 Group LLC
Miramar, Florida
Standard 2023-09-27 ValidFAA registration status code V: Valid registration. All codes
N499FC Piper
PA-32R-300
Fixed-wing, single engine Foxtrot Charlie Aviation LLC
Charlotte, North Carolina
Standard 2023-09-27 ValidFAA registration status code V: Valid registration. All codes
N2161A Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Texas
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N377ME Cessna
T206H
Fixed-wing, single engine Brandywine Enterprises LP
Beverly Hills, California
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N417JM Cessna
182S
Fixed-wing, single engine Tulsa Aviation Partners LLC
Tulsa, Oklahoma
Standard 2023-09-26 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.