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

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
N111SN Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2014-03-31 ValidFAA registration status code V: Valid registration. All codes
N1139L Piper
PA-32R-301T
Fixed-wing, single engine Mathewson Crews Aviation LLC
Indianapolis, Indiana
Standard 2014-03-31 ValidFAA registration status code V: Valid registration. All codes
N8314B Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2014-03-28 ValidFAA registration status code V: Valid registration. All codes
N5358F Piper
PA-32R-301T
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2014-03-27 ValidFAA registration status code V: Valid registration. All codes
N5668V Piper
PA-32-300
Fixed-wing, single engine Drb Transport INC
Alma, Michigan
Standard 2014-03-26 ValidFAA registration status code V: Valid registration. All codes
N4855P Cessna
T182T
Fixed-wing, single engine Avenger Aviation LLC
Midland, Texas
Standard 2014-03-25 ValidFAA registration status code V: Valid registration. All codes
N629DK Piper
PA 46-350P
Fixed-wing, single engine United Steel Erectors CORP
Atlantic, Iowa
Standard 2014-03-25 ValidFAA registration status code V: Valid registration. All codes
N3547T Cessna
T206H
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2014-03-21 ValidFAA registration status code V: Valid registration. All codes
N8759E Piper
PA-32R-300
Fixed-wing, single engine N8759E LLC
Wilmington, Delaware
Standard 2014-03-20 ValidFAA registration status code V: Valid registration. All codes
N2159P Cessna
T206H
Fixed-wing, single engine Kiehn Real Estate LLC
Santa Barbara, California
Standard 2014-03-18 ValidFAA registration status code V: Valid registration. All codes
N532DR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Missouri
Standard 2014-03-18 ValidFAA registration status code V: Valid registration. All codes
N72582 Cessna
T206H
Fixed-wing, single engine Surdex CORP
Chesterfield, Missouri
Multiple 2014-03-17 ValidFAA registration status code V: Valid registration. All codes
N9077P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2014-03-14 ValidFAA registration status code V: Valid registration. All codes
N2087A Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2014-03-12 ValidFAA registration status code V: Valid registration. All codes
N24KA Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2014-03-12 ValidFAA registration status code V: Valid registration. All codes
N123AL Bellanca
17-31A
Fixed-wing, single engine Individual owner
Texas
Standard 2014-03-11 ValidFAA registration status code V: Valid registration. All codes
N5334K Cessna
T182T
Fixed-wing, single engine Co-owned owner
Washington
Standard 2014-03-07 ValidFAA registration status code V: Valid registration. All codes
N756TB Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2014-03-07 ValidFAA registration status code V: Valid registration. All codes
N206EE Cessna
T206H
Fixed-wing, single engine Hastings Ranch Vineyard
Paso Robles, California
Standard 2014-03-06 ValidFAA registration status code V: Valid registration. All codes
N97TF Aerofab Inc
LAKE 250
Fixed-wing, single engine Terell Enterprises LLC
Deland, Florida
Standard 2014-03-06 ValidFAA registration status code V: Valid registration. All codes
N5229S Piper
PA-32-300
Fixed-wing, single engine Ink International INC
Lawrenceville, Georgia
Standard 2014-02-28 ValidFAA registration status code V: Valid registration. All codes
N4928W Rockwell International
114
Fixed-wing, single engine L D Aviation LLC
Chesapeake, Virginia
Standard 2014-02-27 ValidFAA registration status code V: Valid registration. All codes
N8957N Piper
PA-32-300
Fixed-wing, single engine N8957N INC
Wilmington, Delaware
Standard 2014-02-27 ValidFAA registration status code V: Valid registration. All codes
N860DM Piper
PA-32-300
Fixed-wing, single engine C & C Aircraft Holdings INC
Wilmington, Delaware
Standard 2014-02-26 ValidFAA registration status code V: Valid registration. All codes
N8311K Piper
PA-32-301T
Fixed-wing, single engine Ent Flight Services LLC
Santa Margarita, California
Standard 2014-02-24 ValidFAA registration status code V: Valid registration. All codes
N4105D Piper
PA-31-350
Fixed-wing, multi-engine Grant Aviation INC
Anchorage, Alaska
Standard 2014-02-19 ValidFAA registration status code V: Valid registration. All codes
N78379 Aero Commander
500-A
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2014-02-14 ValidFAA registration status code V: Valid registration. All codes
N7772V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
Kansas
Restricted 2014-02-12 ValidFAA registration status code V: Valid registration. All codes
N900CG Piper
PA-31-325
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2014-02-12 ValidFAA registration status code V: Valid registration. All codes
N362BM Piper
PA-23-250
Fixed-wing, multi-engine American Valet Air INC
Wilmington, Delaware
Standard 2014-02-07 ValidFAA registration status code V: Valid registration. All codes
N33411 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2014-01-31 ValidFAA registration status code V: Valid registration. All codes
N411MD Piper
PA 46-350P
Fixed-wing, single engine Jdr INC
Cullman, Alabama
Standard 2014-01-30 ValidFAA registration status code V: Valid registration. All codes
N77SB Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2014-01-28 ValidFAA registration status code V: Valid registration. All codes
N27450 Piper
PA-31-325
Fixed-wing, multi-engine Flying Oyster Investments II LLC
Apollo Beach, Florida
Standard 2014-01-27 ValidFAA registration status code V: Valid registration. All codes
N1073G Mooney
M20M
Fixed-wing, single engine Professional Flyers Corporation
Wilmington, Delaware
Standard 2014-01-22 ValidFAA registration status code V: Valid registration. All codes
N6708V Bellanca
17-31ATC
Fixed-wing, single engine Aircraft Restoration Service Enhancements LLC
Mesa, Arizona
Standard 2014-01-22 ValidFAA registration status code V: Valid registration. All codes
N7550S Smith
AEROSTAR 601P
Fixed-wing, multi-engine Doctors Diet INC
Nashville, Tennessee
Standard 2014-01-16 ValidFAA registration status code V: Valid registration. All codes
N4796W Rockwell International
114
Fixed-wing, single engine Individual owner
Florida
Standard 2014-01-15 ValidFAA registration status code V: Valid registration. All codes
N4947F Piper
PA-32R-300
Fixed-wing, single engine Kpw Enterprises INC
Chula Vista, California
Standard 2014-01-15 ValidFAA registration status code V: Valid registration. All codes
N618BD Piper
PA 46-350P
Fixed-wing, single engine Sandhu Sky Ventures LLC
Livermore, California
Standard 2014-01-10 ValidFAA registration status code V: Valid registration. All codes
N5156M Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2014-01-08 ValidFAA registration status code V: Valid registration. All codes
N2080Q Cessna
T182T
Fixed-wing, single engine Hyperion Enterprises LLC
Warrenton, Virginia
Standard 2014-01-07 ValidFAA registration status code V: Valid registration. All codes
N4120S Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Missouri
Standard 2014-01-06 ValidFAA registration status code V: Valid registration. All codes
N56088 Piper
PA-32-300
Fixed-wing, single engine Wild River Flying Club INC
Saint Croix Falls, Wisconsin
Standard 2014-01-03 ValidFAA registration status code V: Valid registration. All codes
N98JT Mooney
M20M
Fixed-wing, single engine Individual owner
New Jersey
Standard 2013-12-23 ValidFAA registration status code V: Valid registration. All codes
N123GH Cessna
T182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2013-12-20 ValidFAA registration status code V: Valid registration. All codes
N68JD Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2013-12-16 ValidFAA registration status code V: Valid registration. All codes
N9485P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Alaska
Standard 2013-12-16 ValidFAA registration status code V: Valid registration. All codes
N2456H Cessna
T206H
Fixed-wing, single engine Pappusgrass Aviation LLC
San Antonio, Texas
Standard 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N5HM Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N8803P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N13817 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2013-12-09 ValidFAA registration status code V: Valid registration. All codes
N505HV Cessna
T206H
Fixed-wing, single engine Helivision LLC
Concord, North Carolina
Standard 2013-12-04 ValidFAA registration status code V: Valid registration. All codes
N9481P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2013-11-27 ValidFAA registration status code V: Valid registration. All codes
N4170V Piper
PA-32R-301T
Fixed-wing, single engine Pi High Flight LLC
Lancaster, Pennsylvania
Standard 2013-11-19 ValidFAA registration status code V: Valid registration. All codes
N5922V Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Texas
Standard 2013-11-18 ValidFAA registration status code V: Valid registration. All codes
N2176L Mooney
M20M
Fixed-wing, single engine Individual owner
Washington
Standard 2013-11-12 ValidFAA registration status code V: Valid registration. All codes
N376HC Piper
PA-32R-300
Fixed-wing, single engine Mfd Aviation INC
Middletown, Delaware
Standard 2013-11-12 ValidFAA registration status code V: Valid registration. All codes
N4231R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2013-11-05 ValidFAA registration status code V: Valid registration. All codes
N8041H Piper
PA-32R-301T
Fixed-wing, single engine King AG Leasing INC
Sudan, Texas
Standard 2013-11-04 ValidFAA registration status code V: Valid registration. All codes
N33068 Piper
PA-28-235
Fixed-wing, single engine Individual owner
Florida
Standard 2013-10-31 ValidFAA registration status code V: Valid registration. All codes
N555TP Piper
PA-32R-301T
Fixed-wing, single engine Nugget Investments LLC
Strongsville, Ohio
Standard 2013-10-24 ValidFAA registration status code V: Valid registration. All codes
N7775B Cessna
T206H
Fixed-wing, single engine Cessna 206 LLC
Sun Valley, Idaho
Standard 2013-09-16 ValidFAA registration status code V: Valid registration. All codes
N722LW Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 2013-09-12 ValidFAA registration status code V: Valid registration. All codes
N8167D Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2013-09-09 ValidFAA registration status code V: Valid registration. All codes
N4102R Piper
PA-32-300
Fixed-wing, single engine Cherokee Six LLC
Reno, Nevada
Standard 2013-09-05 ValidFAA registration status code V: Valid registration. All codes
N437WB Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2013-08-28 ValidFAA registration status code V: Valid registration. All codes
N7993P Piper
PA-24-250
Fixed-wing, single engine Individual owner
California
Standard 2013-08-28 ValidFAA registration status code V: Valid registration. All codes
N8947N Piper
PA-32-300
Fixed-wing, single engine Garfield Air LLC
Burwell, Nebraska
Standard 2013-08-28 ValidFAA registration status code V: Valid registration. All codes
N8881P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2013-08-23 ValidFAA registration status code V: Valid registration. All codes
N6249Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
California
Standard 2013-08-20 ValidFAA registration status code V: Valid registration. All codes
N9214H Piper
PA 46-350P
Fixed-wing, single engine Jem Aviation LTD
Wilmington, Delaware
Standard 2013-08-19 ValidFAA registration status code V: Valid registration. All codes
N8789P Piper
PA-24
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2013-08-15 ValidFAA registration status code V: Valid registration. All codes
N1970P Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2013-08-14 ValidFAA registration status code V: Valid registration. All codes
N39921 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
California
Standard 2013-08-14 ValidFAA registration status code V: Valid registration. All codes
N4204R Piper
PA-32-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2013-08-14 ValidFAA registration status code V: Valid registration. All codes
N758JP Cessna
T206H
Fixed-wing, single engine R & P Investments INC
Visalia, California
Standard 2013-08-07 ValidFAA registration status code V: Valid registration. All codes
N8455H Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2013-08-02 ValidFAA registration status code V: Valid registration. All codes
N6085Y Piper
PA-23-250
Fixed-wing, multi-engine Pharmair LLC
Jackson, Mississippi
Standard 2013-08-01 ValidFAA registration status code V: Valid registration. All codes
N9434P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Oregon
Standard 2013-07-30 ValidFAA registration status code V: Valid registration. All codes
N221WG Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Standard 2013-07-26 ValidFAA registration status code V: Valid registration. All codes
N5588Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 2013-07-26 ValidFAA registration status code V: Valid registration. All codes
N65515 Cessna
T182T
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2013-07-24 ValidFAA registration status code V: Valid registration. All codes
N264DH Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2013-07-23 ValidFAA registration status code V: Valid registration. All codes
N44746 Piper
PA-28-235
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2013-07-19 ValidFAA registration status code V: Valid registration. All codes
N6235Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 2013-07-19 ValidFAA registration status code V: Valid registration. All codes
N32600 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2013-07-17 ValidFAA registration status code V: Valid registration. All codes
N6169Y Piper
PA-23-250
Fixed-wing, multi-engine Wiesen Enterprises LTD
Empire, Michigan
Standard 2013-07-11 ValidFAA registration status code V: Valid registration. All codes
N69JW Bellanca
17-31ATC
Fixed-wing, single engine Warrior Aviation LLC
Dollar Bay, Michigan
Standard 2013-07-09 ValidFAA registration status code V: Valid registration. All codes
N8ZB Piper
PA-32R-301T
Fixed-wing, single engine Eastern Nevada Aviation LLC
Gardnerville, Nevada
Standard 2013-07-02 ValidFAA registration status code V: Valid registration. All codes
N214BP Piper
PA-32R-301T
Fixed-wing, single engine Holmes Aviation INC
Webster, Florida
Standard 2013-06-27 ValidFAA registration status code V: Valid registration. All codes
N8165J Piper
PA-32-301T
Fixed-wing, single engine Lloyd J Cleaver D O LLC
Kirksville, Missouri
Standard 2013-06-21 ValidFAA registration status code V: Valid registration. All codes
N9280K Piper
PA 46-350P
Fixed-wing, single engine N9280K LLC
Miami, Florida
Standard 2013-06-21 ValidFAA registration status code V: Valid registration. All codes
N5633V Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Maryland
Standard 2013-06-20 ValidFAA registration status code V: Valid registration. All codes
N6334Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
South Dakota
Standard 2013-06-20 ValidFAA registration status code V: Valid registration. All codes
N6531Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2013-06-19 ValidFAA registration status code V: Valid registration. All codes
N8342F Piper
PA-32RT-301T
Fixed-wing, single engine Individual owner
Ohio
Standard 2013-06-19 ValidFAA registration status code V: Valid registration. All codes
N54809 Piper
PA-23-250
Fixed-wing, multi-engine Mgc LLC
Brandon, Florida
Standard 2013-06-18 ValidFAA registration status code V: Valid registration. All codes
N7603V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
Kansas
Restricted 2013-06-18 ValidFAA registration status code V: Valid registration. All codes
N160X Aero Commander
500-B
Fixed-wing, multi-engine Malolo LLC
San Luis Obispo, California
Standard 2013-06-17 ValidFAA registration status code V: Valid registration. All codes
Previous Page 38 of 51 Next

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.