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
N1091A Mooney
M20M
Fixed-wing, single engine Mooney N1091A LLC
Broomfield, Colorado
Standard 2021-05-06 ValidFAA registration status code V: Valid registration. All codes
N1969H Piper
PA-32R-301T
Fixed-wing, single engine Trn Aviation LLC
Mcallen, Texas
Standard 2021-05-05 ValidFAA registration status code V: Valid registration. All codes
N39944 Piper
PA-32RT-300T
Fixed-wing, single engine Simple Kindness Nfp
Naperville, Illinois
Standard 2021-05-05 ValidFAA registration status code V: Valid registration. All codes
N540P Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Kansas
Standard 2021-05-05 ValidFAA registration status code V: Valid registration. All codes
N8899P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-05-05 ValidFAA registration status code V: Valid registration. All codes
N7269K Cessna
T206H
Fixed-wing, single engine Deatley Crushing Company INC
Lewiston, Idaho
Standard 2021-05-04 ValidFAA registration status code V: Valid registration. All codes
N566ME Cessna
T206H
Fixed-wing, single engine Kaiser Aviation LLC
Spring, Texas
Standard 2021-05-03 ValidFAA registration status code V: Valid registration. All codes
N8963N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2021-05-03 ValidFAA registration status code V: Valid registration. All codes
N357SA Piper
PA-31-350
Fixed-wing, multi-engine Fox Aircraft LLC
Wasilla, Alaska
Standard 2021-05-01 ValidFAA registration status code V: Valid registration. All codes
N138AZ Cessna
T182T
Fixed-wing, single engine Tablemax Aeronautics LLC
El Paso, Texas
Standard 2021-04-30 ValidFAA registration status code V: Valid registration. All codes
N808DT Cessna
T206H
Fixed-wing, single engine Gh Aircraft Leasing LLC
Coconut Creek, Florida
Standard 2021-04-30 ValidFAA registration status code V: Valid registration. All codes
N8427C Piper
PA-32-301T
Fixed-wing, single engine Morgan Aviation LLC
Greensboro, North Carolina
Standard 2021-04-29 ValidFAA registration status code V: Valid registration. All codes
N9740E Bellanca
17-31ATC
Fixed-wing, single engine Www Bellanca US LLC
Mansfield, Texas
Standard 2021-04-29 ValidFAA registration status code V: Valid registration. All codes
N12GE Piper
PA-23-250
Fixed-wing, multi-engine J&P Master Flooring CORP
Lauderdale Lakes, Florida
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N54862 Piper
PA-23-250
Fixed-wing, multi-engine J&P Master Flooring CORP
Lauderdale Lakes, Florida
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N81RH Piper
PA-31-310
Fixed-wing, multi-engine Specialty Aviation II LLC
Jupiter, Florida
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N88TG Piper
PA-31-350
Fixed-wing, multi-engine N88Tg LLC
Fairbanks, Alaska
Standard 2021-04-26 ValidFAA registration status code V: Valid registration. All codes
N4157E Piper
PA 31P 350
Fixed-wing, multi-engine Bel Air LLC
Henderson, Kentucky
Standard 2021-04-24 ValidFAA registration status code V: Valid registration. All codes
N4009R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arkansas
Standard 2021-04-23 ValidFAA registration status code V: Valid registration. All codes
N225HM Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Puerto Rico
Standard 2021-04-22 ValidFAA registration status code V: Valid registration. All codes
N5SW Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-04-22 ValidFAA registration status code V: Valid registration. All codes
N203SJ Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 2021-04-21 ValidFAA registration status code V: Valid registration. All codes
N6956Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New Jersey
Standard 2021-04-21 ValidFAA registration status code V: Valid registration. All codes
N533SA Aero Commander
500 S
Fixed-wing, multi-engine Spur Aviation Services Lc
Twin Falls, Idaho
Standard 2021-04-19 ValidFAA registration status code V: Valid registration. All codes
N8685N Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-04-19 ValidFAA registration status code V: Valid registration. All codes
N3587P Piper
PA-31-350
Fixed-wing, multi-engine Msm587P LLC
Jericho, New York
Standard 2021-04-17 ValidFAA registration status code V: Valid registration. All codes
N647CP Mooney
M20M
Fixed-wing, single engine Unicorn Aviation INC
Canton, Connecticut
Standard 2021-04-17 ValidFAA registration status code V: Valid registration. All codes
N22446 Piper
PA-32RT-300T
Fixed-wing, single engine AG Care INC
Apopka, Florida
Standard 2021-04-16 ValidFAA registration status code V: Valid registration. All codes
N316HA Piper
PA-31-350
Fixed-wing, multi-engine Bidzy To Hot Aana CORP
Dillingham, Alaska
Standard 2021-04-16 ValidFAA registration status code V: Valid registration. All codes
N73LK Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-04-15 ValidFAA registration status code V: Valid registration. All codes
N77DS Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-04-15 ValidFAA registration status code V: Valid registration. All codes
N8991P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2021-04-12 ValidFAA registration status code V: Valid registration. All codes
N9225P Piper
PA-24-260
Fixed-wing, single engine Withheld at owner's request
Standard 2021-04-12 ValidFAA registration status code V: Valid registration. All codes
N1646Z Cessna
185A
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-04-10 ValidFAA registration status code V: Valid registration. All codes
N66100 Cessna
T182T
Fixed-wing, single engine Pj Aviation Holding LLC
Eden Prairie, Minnesota
Standard 2021-04-10 ValidFAA registration status code V: Valid registration. All codes
N8908N Piper
PA-32-300
Fixed-wing, single engine H & H Aviation LLC
Provo, Utah
Standard 2021-04-10 ValidFAA registration status code V: Valid registration. All codes
N38127 Piper
PA-32R-300
Fixed-wing, single engine Trager Limestone LLC
Chillicothe, Missouri
Standard 2021-04-09 ValidFAA registration status code V: Valid registration. All codes
N478MA Piper
PA-32-300
Fixed-wing, single engine Harpazo Aviation LLC
Lake City, Florida
Standard 2021-04-09 ValidFAA registration status code V: Valid registration. All codes
N198JC Piper
PA-32R-301T
Fixed-wing, single engine Long Bayou LLC
Vero Beach, Florida
Standard 2021-04-08 ValidFAA registration status code V: Valid registration. All codes
N40CV Piper
PA-31-325
Fixed-wing, multi-engine Dos Vidas Services INC
Seabrook, Texas
Standard 2021-04-08 ValidFAA registration status code V: Valid registration. All codes
N700GC Piper
PA-32-300
Fixed-wing, single engine Ricks Auto Clinic INC
Raytown, Missouri
Standard 2021-04-08 ValidFAA registration status code V: Valid registration. All codes
N9210Y Piper
PA 31P 350
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2021-04-08 ValidFAA registration status code V: Valid registration. All codes
N340HG Cessna
340
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-04-07 ValidFAA registration status code V: Valid registration. All codes
N4790W Rockwell International
114A
Fixed-wing, single engine Co-owned owner
Illinois
Standard 2021-04-07 ValidFAA registration status code V: Valid registration. All codes
N65912 Cessna
T182T
Fixed-wing, single engine Co-owned owner
Montana
Standard 2021-04-07 ValidFAA registration status code V: Valid registration. All codes
N114TL Cessna
T182T
Fixed-wing, single engine La Soplaera Realty LLC
Niwot, Colorado
Standard 2021-04-06 ValidFAA registration status code V: Valid registration. All codes
N123TE Piper
PA 46-350P
Fixed-wing, single engine Virgil W Young JR Pa
North Little Rock, Arkansas
Standard 2021-04-06 ValidFAA registration status code V: Valid registration. All codes
N374ME Cessna
T206H
Fixed-wing, single engine Kelley Aviation LLC
Crescent, Iowa
Standard 2021-04-06 ValidFAA registration status code V: Valid registration. All codes
N5447Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2021-04-06 ValidFAA registration status code V: Valid registration. All codes
N4830W Rockwell International
114
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2021-04-05 ValidFAA registration status code V: Valid registration. All codes
N117KR Piper
PA 46-350P
Fixed-wing, single engine Fox Planes LLC
Sterling Heights, Michigan
Standard 2021-04-02 ValidFAA registration status code V: Valid registration. All codes
N8986N Piper
PA-32-300
Fixed-wing, single engine Bay Air INC
Dillingham, Alaska
Standard 2021-04-02 ValidFAA registration status code V: Valid registration. All codes
N33009 Piper
PA-32-300
Fixed-wing, single engine Pamrus INC
Zephyr Cove, Nevada
Standard 2021-04-01 ValidFAA registration status code V: Valid registration. All codes
N4292R Piper
PA-32-300
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2021-04-01 ValidFAA registration status code V: Valid registration. All codes
N4078J Piper
PA-31-350
Fixed-wing, multi-engine Star Marianas Air INC
Tinian, Northern Mariana Islands
Standard 2021-03-31 ValidFAA registration status code V: Valid registration. All codes
N8315H Piper
PA-32-301T
Fixed-wing, single engine King 90 LLC
Milwaukie, Oregon
Standard 2021-03-29 ValidFAA registration status code V: Valid registration. All codes
N9465P Piper
PA-24-260
Fixed-wing, single engine Ftb Aviation LLC
Arden, North Carolina
Standard 2021-03-29 ValidFAA registration status code V: Valid registration. All codes
N4144R Piper
PA-32-300
Fixed-wing, single engine Racer Investments LLC
Long Beach, California
Standard 2021-03-25 ValidFAA registration status code V: Valid registration. All codes
N421KR Cessna
T182T
Fixed-wing, single engine Aerospace Trust Management LLC Trustee
Wilmington, Delaware
Standard 2021-03-24 ValidFAA registration status code V: Valid registration. All codes
N8343B Piper
PA-32-301T
Fixed-wing, single engine Gc Aviation Services LLC
Springboro, Ohio
Standard 2021-03-24 ValidFAA registration status code V: Valid registration. All codes
N8430B Piper
PA-32R-301T
Fixed-wing, single engine Trident Aviation LLC
Bedford, New Hampshire
Standard 2021-03-24 ValidFAA registration status code V: Valid registration. All codes
N249FB Piper
PA 46-350P
Fixed-wing, single engine K4M Aviation LLC
Marksville, Louisiana
Standard 2021-03-23 ValidFAA registration status code V: Valid registration. All codes
N777JY Piper
PA-31-325
Fixed-wing, multi-engine Kingslyn LTD
Wilmington, Delaware
Standard 2021-03-23 ValidFAA registration status code V: Valid registration. All codes
N1556X Piper
PA-32-300
Fixed-wing, single engine Individual owner
Tennessee
Standard 2021-03-22 ValidFAA registration status code V: Valid registration. All codes
N21352 Piper
PA-32RT-300
Fixed-wing, single engine Co-owned owner
Kentucky
Standard 2021-03-22 ValidFAA registration status code V: Valid registration. All codes
N72819 Cessna
T206H
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2021-03-22 ValidFAA registration status code V: Valid registration. All codes
N16415 Piper
PA-32-300
Fixed-wing, single engine United Aviation LLC
Prospect, Kentucky
Standard 2021-03-20 ValidFAA registration status code V: Valid registration. All codes
N5220A Cessna
182T
Fixed-wing, single engine Individual owner
Florida
Standard 2021-03-20 ValidFAA registration status code V: Valid registration. All codes
N8331U Piper
PA-32R-301T
Fixed-wing, single engine Lenz Piper LLC
Camdenton, Missouri
Standard 2021-03-19 ValidFAA registration status code V: Valid registration. All codes
N2568M Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-03-18 ValidFAA registration status code V: Valid registration. All codes
N95EP Piper
PA-32R-300
Fixed-wing, single engine Flying Cow LLC
Falls City, Nebraska
Standard 2021-03-18 ValidFAA registration status code V: Valid registration. All codes
N9EL Piper
PA-31-310
Fixed-wing, multi-engine Kcs LLC
Renton, Washington
Standard 2021-03-18 ValidFAA registration status code V: Valid registration. All codes
N4018R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2021-03-17 ValidFAA registration status code V: Valid registration. All codes
N181ME Cessna
T206H
Fixed-wing, single engine Coastal Marine Engine INC
Seattle, Washington
Standard 2021-03-16 ValidFAA registration status code V: Valid registration. All codes
N8892P Piper
PA-24-260
Fixed-wing, single engine N8892P LLC
Glendale, Arizona
Standard 2021-03-16 ValidFAA registration status code V: Valid registration. All codes
N15776 Piper
PA-32-300
Fixed-wing, single engine Rc & C INC
Norwalk, Iowa
Standard 2021-03-15 ValidFAA registration status code V: Valid registration. All codes
N75267 Piper
PA-32R-300
Fixed-wing, single engine Avian Aerospace LLC
Mansfield, Ohio
Standard 2021-03-15 ValidFAA registration status code V: Valid registration. All codes
N914LA Piper
PA-32R-301T
Fixed-wing, single engine Lindbergh Aviation INC
Hampton, New Hampshire
Standard 2021-03-15 ValidFAA registration status code V: Valid registration. All codes
N6934J Piper
PA-32R-300
Fixed-wing, single engine Copaair Maintenance Services INC
Indiantown, Florida
Standard 2021-03-13 ValidFAA registration status code V: Valid registration. All codes
N62650 Piper
PA-23-250
Fixed-wing, multi-engine Lpc Aviation INC
Punta Gorda, Florida
Standard 2021-03-10 ValidFAA registration status code V: Valid registration. All codes
N225MC Piper
PA 46-350P
Fixed-wing, single engine P46 Tango LLC
Friday Harbor, Washington
Standard 2021-03-09 ValidFAA registration status code V: Valid registration. All codes
N809BW Mooney
M20M
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 2021-03-09 ValidFAA registration status code V: Valid registration. All codes
N223MS Mooney
M20M
Fixed-wing, single engine Ny Dc LLC
Washington, District of Columbia
Standard 2021-03-06 ValidFAA registration status code V: Valid registration. All codes
N54240 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-03-06 ValidFAA registration status code V: Valid registration. All codes
N62801 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-03-06 ValidFAA registration status code V: Valid registration. All codes
N8914N Piper
PA-32-300
Fixed-wing, single engine Treetop Flyers LLC
Vashon, Washington
Standard 2021-03-06 ValidFAA registration status code V: Valid registration. All codes
N2804W Socata
TB21TC
Fixed-wing, single engine Individual owner
Maryland
Standard 2021-03-05 ValidFAA registration status code V: Valid registration. All codes
N54245 Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-03-05 ValidFAA registration status code V: Valid registration. All codes
N6944A Piper
PA-23-250
Fixed-wing, multi-engine Pacific Fleet Aviation LLC
Rochester, New York
Standard 2021-03-05 ValidFAA registration status code V: Valid registration. All codes
N75398 Piper
PA-32R-300
Fixed-wing, single engine Skybochs LLC
Kaysville, Utah
Standard 2021-03-05 ValidFAA registration status code V: Valid registration. All codes
N7335T Cessna
R182
Fixed-wing, single engine Never Repress Laughter LLC
Villa Rica, Georgia
Standard 2021-03-02 ValidFAA registration status code V: Valid registration. All codes
N862ST Cessna
T206H
Fixed-wing, single engine Foxtrot Lima Enterprises LLC
Elbridge, New York
Standard 2021-03-02 ValidFAA registration status code V: Valid registration. All codes
N206AG Textron Aviation Inc
T206H
Fixed-wing, single engine Desevarg INC
Appleton, Wisconsin
Standard 2021-02-26 ValidFAA registration status code V: Valid registration. All codes
N4584T Piper
PA-32-300
Fixed-wing, single engine Lion Air LLC
South Heart, North Dakota
Standard 2021-02-26 ValidFAA registration status code V: Valid registration. All codes
N7HW Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2021-02-26 ValidFAA registration status code V: Valid registration. All codes
N4042M Piper
PA-31-325
Fixed-wing, multi-engine Linville Air LLC
Denver, North Carolina
Standard 2021-02-25 ValidFAA registration status code V: Valid registration. All codes
N492BC Piper
PA32-301XTC
Fixed-wing, single engine Consumer Collection Management INC
Saint Louis, Missouri
Standard 2021-02-25 ValidFAA registration status code V: Valid registration. All codes
N62GW Piper
PA-32R-301T
Fixed-wing, single engine Goshen Wings INC
Bristol, Indiana
Standard 2021-02-25 ValidFAA registration status code V: Valid registration. All codes
N88847 Piper
PA-32R-300
Fixed-wing, single engine So-Do Holdings LLC
Monticello, Georgia
Standard 2021-02-22 ValidFAA registration status code V: Valid registration. All codes
N924CC Piper
PA-23-250
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2021-02-22 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.