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
N124WA Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Alaska
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N1750H Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N63877 Piper
PA-23-250
Fixed-wing, multi-engine N63877 INC
Lewes, Delaware
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N8985C Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N9427P Piper
PA-24-260
Fixed-wing, single engine Paul Burrell Aircraft LLC
Spring, Texas
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N15552 Piper
PA-32-300
Fixed-wing, single engine Crate INC
Humboldt, Nebraska
Standard 2023-04-29 ValidFAA registration status code V: Valid registration. All codes
N2101F Piper
PA-32RT-300T
Fixed-wing, single engine Co-owned owner
California
Standard 2023-04-29 ValidFAA registration status code V: Valid registration. All codes
N9353P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Virginia
Standard 2023-04-29 ValidFAA registration status code V: Valid registration. All codes
N40254 Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Michigan
Standard 2023-04-27 ValidFAA registration status code V: Valid registration. All codes
N4074W Helio
H-700
Fixed-wing, single engine Individual owner
Colorado
Standard 2023-04-27 ValidFAA registration status code V: Valid registration. All codes
N53229 Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Kentucky
Standard 2023-04-27 ValidFAA registration status code V: Valid registration. All codes
N72795 Cessna
T206H
Fixed-wing, single engine Sides Enterprises LLC
Anthony, New Mexico
Standard 2023-04-27 ValidFAA registration status code V: Valid registration. All codes
N14702 Bellanca
17-31A
Fixed-wing, single engine Cartel Oil Records LLC
Kansas City, Missouri
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N148JM Socata
TB21
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N263RC Cessna
T206H
Fixed-wing, single engine Richland County Sheriffs Department
Columbia, South Carolina
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N65452 Cessna
T206H
Fixed-wing, single engine Jf Aviation LLC
Minot, North Dakota
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N9170X Piper
PA 46-350P
Fixed-wing, single engine Vb INC
Show Low, Arizona
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N92728 Piper
PA 46-350P
Fixed-wing, single engine Washington International Aviation LLC
Washington, District of Columbia
Standard 2023-04-26 ValidFAA registration status code V: Valid registration. All codes
N725RS Mooney
M20M
Fixed-wing, single engine Individual owner
Texas
Standard 2023-04-25 ValidFAA registration status code V: Valid registration. All codes
N189MH Piper
PA 46-350P
Fixed-wing, single engine Spirit Life INC
Morrison, Colorado
Standard 2023-04-24 ValidFAA registration status code V: Valid registration. All codes
N21425 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arkansas
Standard 2023-04-22 ValidFAA registration status code V: Valid registration. All codes
N506TM Cessna
T206H
Fixed-wing, single engine Tall Timber Flying Service LLC
Kalispell, Montana
Standard 2023-04-22 ValidFAA registration status code V: Valid registration. All codes
N31932 Piper
PA-31-350
Fixed-wing, multi-engine Air Cargo Solutions INC
Two Rivers, Alaska
Standard 2023-04-21 ValidFAA registration status code V: Valid registration. All codes
N80GV Piper
PA-31-350
Fixed-wing, multi-engine Moro Aircraft Leasing INC
Two Rivers, Alaska
Multiple 2023-04-21 ValidFAA registration status code V: Valid registration. All codes
N103GL Piper
PA-31-325
Fixed-wing, multi-engine Naylor Aviation LLC
Columbia, Missouri
Standard 2023-04-20 ValidFAA registration status code V: Valid registration. All codes
N15554 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 2023-04-20 ValidFAA registration status code V: Valid registration. All codes
N2175A Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
New Mexico
Standard 2023-04-19 ValidFAA registration status code V: Valid registration. All codes
N596L Piper
PA-31-325
Fixed-wing, multi-engine Kcc Aero LLC
Guaynabo, Puerto Rico
Standard 2023-04-19 ValidFAA registration status code V: Valid registration. All codes
N930Z Piper
PA 46-350P
Fixed-wing, single engine Mirage 930 CORP Trustee
Wilmington, Delaware
Standard 2023-04-19 ValidFAA registration status code V: Valid registration. All codes
N149PC Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N2389G Cessna
T206H
Fixed-wing, single engine Macon Septic Systems CO INC
Macon, Mississippi
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N378ME Cessna
T206H
Fixed-wing, single engine Camelot Aviation LLC
Phoenix, Arizona
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N62808 Piper
PA-23-250
Fixed-wing, multi-engine Wings Over Texas Holdings LLC
Denton, Texas
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N675KA Rockwell International
114
Fixed-wing, single engine Individual owner
Maryland
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N9SA Piper
PA-32R-300
Fixed-wing, single engine N9Sa CORP Trustee
Wilmington, Delaware
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N1327T Piper
PA-32-300
Fixed-wing, single engine Cedel Solutions LLC
Austin, Texas
Standard 2023-04-17 ValidFAA registration status code V: Valid registration. All codes
N3502J Cessna
T182T
Fixed-wing, single engine Av Solutions INC
Flint, Michigan
Standard 2023-04-17 ValidFAA registration status code V: Valid registration. All codes
N348PS Mooney
M20M
Fixed-wing, single engine Tim Moyer Management LLC
Whitefish, Montana
Standard 2023-04-15 ValidFAA registration status code V: Valid registration. All codes
N38617 Piper
PA-32R-300
Fixed-wing, single engine Bros Flying Low LLC
Kalispell, Montana
Standard 2023-04-15 ValidFAA registration status code V: Valid registration. All codes
N22213 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
California
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N49DS Mooney
M20M
Fixed-wing, single engine Individual owner
Nevada
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N808AB Piper
PA-31-350
Fixed-wing, multi-engine Sunward Aviation Services LLC
Merritt Island, Florida
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N9108K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N482DR Piper
PA-32R-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N8743P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N23781 Cessna
T206H
Fixed-wing, single engine Paragon Air Group
Fort Worth, Texas
Standard 2023-04-08 ValidFAA registration status code V: Valid registration. All codes
N8612P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-04-08 ValidFAA registration status code V: Valid registration. All codes
N9055P Piper
PA-24-260
Fixed-wing, single engine B Dot Air LLC
Jackson, Wyoming
Standard 2023-04-07 ValidFAA registration status code V: Valid registration. All codes
N2128Y Cessna
T182T
Fixed-wing, single engine E-Cubed Industries LLC
Big Piney, Wyoming
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N2777N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N40571 Piper
PA-23-250
Fixed-wing, multi-engine Bwh Leasing LLC
Lewes, Delaware
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N901BW Piper
PA-32R-300
Fixed-wing, single engine Individual owner
South Dakota
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N1343T Piper
PA-32-300
Fixed-wing, single engine Western Cherokee Six LLC
Fort Collins, Colorado
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N1426S Piper
PA-23-250
Fixed-wing, multi-engine Boundless LLC
Dakota Dunes, South Dakota
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N222MM Mooney
M20M
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N65234 Cessna
T182T
Fixed-wing, single engine Individual owner
Texas
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N9033P Piper
PA-24-260
Fixed-wing, single engine Middletown LLC
Chandler, Arizona
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N2162W Cessna
T206H
Fixed-wing, single engine Helicopter Applicators LLC
Pembroke, New Hampshire
Standard 2023-04-04 ValidFAA registration status code V: Valid registration. All codes
N4057R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N634CT Aero Commander
500 S
Fixed-wing, multi-engine Corsair Aviation LLC
Yuba City, California
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N715LG Aero Commander
500-B
Fixed-wing, multi-engine Guy Transportation LTD
Carolina, Puerto Rico
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N1WY Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2023-03-31 ValidFAA registration status code V: Valid registration. All codes
N181GS Cessna
T182T
Fixed-wing, single engine Travel Services LLC
Metropolis, Illinois
Standard 2023-03-29 ValidFAA registration status code V: Valid registration. All codes
N977LR Mooney
M20M
Fixed-wing, single engine N977Lr LLC
Englewood, Colorado
Standard 2023-03-29 ValidFAA registration status code V: Valid registration. All codes
N463JP Piper
PA 46-350P
Fixed-wing, single engine Jj Hughes Logistics LLC
Canyon, Texas
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N57832 Piper
PA-36-300
Fixed-wing, single engine Individual owner
South Dakota
Restricted 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N8368C Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N36733 Piper
PA-32RT-300T
Fixed-wing, single engine Speedz Enterprizes LLC
Hannibal, Missouri
Standard 2023-03-25 ValidFAA registration status code V: Valid registration. All codes
N7551F Piper
PA-32R-300
Fixed-wing, single engine Bushwackers Leasing LLC
Calera, Oklahoma
Standard 2023-03-25 ValidFAA registration status code V: Valid registration. All codes
N263DH Piper
PA-32R-301T
Fixed-wing, single engine Hybird INC
Corpus Christi, Texas
Standard 2023-03-24 ValidFAA registration status code V: Valid registration. All codes
N121TF Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
California
Standard 2023-03-23 ValidFAA registration status code V: Valid registration. All codes
N21018 Piper
PA-32RT-300T
Fixed-wing, single engine Vega Aircraft LLC
Arcadia, Oklahoma
Standard 2023-03-23 ValidFAA registration status code V: Valid registration. All codes
N8495C Piper
PA-32R-300
Fixed-wing, single engine Mtl INC
Sparta, Tennessee
Standard 2023-03-23 ValidFAA registration status code V: Valid registration. All codes
N93657 Bellanca
17-31ATC
Fixed-wing, single engine Co-owned owner
Montana
Standard 2023-03-23 ValidFAA registration status code V: Valid registration. All codes
N5265S Piper
PA-32-300
Fixed-wing, single engine Eagle Aeronautics LLC
Chicago, Illinois
Standard 2023-03-22 ValidFAA registration status code V: Valid registration. All codes
N7975P Piper
PA-24-250
Fixed-wing, single engine B&R Aircraft LLC
Wadsworth, Ohio
Standard 2023-03-22 ValidFAA registration status code V: Valid registration. All codes
N4175K Piper
PA 46-350P
Fixed-wing, single engine Individual owner
California
Standard 2023-03-21 ValidFAA registration status code V: Valid registration. All codes
N5255Q Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Nevada
Standard 2023-03-21 ValidFAA registration status code V: Valid registration. All codes
N155AE Mooney
M20M
Fixed-wing, single engine Co-owned owner
California
Standard 2023-03-20 ValidFAA registration status code V: Valid registration. All codes
N202DS Piper
PA-31-325
Fixed-wing, multi-engine Valiair Lc Trustee
Casper, Wyoming
Standard 2023-03-20 ValidFAA registration status code V: Valid registration. All codes
N8235A Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Ohio
Standard 2023-03-19 ValidFAA registration status code V: Valid registration. All codes
N123RM Mooney
M20M
Fixed-wing, single engine Construction Imports LLC
Fleetwood, North Carolina
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N8683P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
North Carolina
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N8685P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
North Carolina
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N90BW Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N74BB Piper
PA-23-250
Fixed-wing, multi-engine Hy Aviation LLC
San Juan, Puerto Rico
Standard 2023-03-16 ValidFAA registration status code V: Valid registration. All codes
N14229 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2023-03-15 ValidFAA registration status code V: Valid registration. All codes
N6583V Bellanca
17-31A
Fixed-wing, single engine Individual owner
Louisiana
Standard 2023-03-15 ValidFAA registration status code V: Valid registration. All codes
N9096P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Florida
Standard 2023-03-15 ValidFAA registration status code V: Valid registration. All codes
N46JC Piper
PA 46-350P
Fixed-wing, single engine Adventures Air Express LLC
Malabar, Florida
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N8343U Piper
PA-32R-301T
Fixed-wing, single engine Riley Air LLC
Phoenixville, Pennsylvania
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N9435P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N273F Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N5627V Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N6698V Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Oregon
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N295S Piper
PA 46-350P
Fixed-wing, single engine Kds Aviation LLC
Normal, Illinois
Standard 2023-03-10 ValidFAA registration status code V: Valid registration. All codes
N807AB Piper
PA-31-350
Fixed-wing, multi-engine Sunward Aviation Services LLC
Merritt Island, Florida
Standard 2023-03-10 ValidFAA registration status code V: Valid registration. All codes
N3998F Piper
PA-32R-300
Fixed-wing, single engine Butler Aluminum of Desoto
Arcadia, Florida
Standard 2023-03-08 ValidFAA registration status code V: Valid registration. All codes
N6864J Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-03-08 ValidFAA registration status code V: Valid registration. All codes
N13982 Piper
PA-23-250
Fixed-wing, multi-engine Bray Aviation LLC
Calera, Oklahoma
Standard 2023-03-07 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.