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

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
N92DM Piper
PA-23-250
Fixed-wing, multi-engine D & M Flyers LLC
Petoskey, Michigan
Standard 2016-07-22 ValidFAA registration status code V: Valid registration. All codes
N50PS Piper
PA-31-350
Fixed-wing, multi-engine Executive Airshares LLC
St Thomas, U.S. Virgin Islands
Standard 2016-07-21 ValidFAA registration status code V: Valid registration. All codes
N6190J Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Alaska
Standard 2016-07-21 ValidFAA registration status code V: Valid registration. All codes
N32348 Piper
PA-32-300
Fixed-wing, single engine Ramsey Time LLC
Winter Garden, Florida
Standard 2016-07-19 ValidFAA registration status code V: Valid registration. All codes
N340MA Mooney
M20M
Fixed-wing, single engine Soar Aviation LLC
Rllng Hls Est, California
Standard 2016-07-18 ValidFAA registration status code V: Valid registration. All codes
N923JS Cessna
T182T
Fixed-wing, single engine Sankey Aviation LLC
Warminster, Pennsylvania
Standard 2016-07-18 ValidFAA registration status code V: Valid registration. All codes
N197MA Piper
PA 46-350P
Fixed-wing, single engine Shore Air LLC
Trappe, Maryland
Standard 2016-07-12 ValidFAA registration status code V: Valid registration. All codes
N694DB Piper
PA-32-300
Fixed-wing, single engine Hammond Flying Club INC
Covington, Louisiana
Standard 2016-07-11 ValidFAA registration status code V: Valid registration. All codes
N1982H Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Connecticut
Standard 2016-07-01 ValidFAA registration status code V: Valid registration. All codes
N1088F Mooney
M20M
Fixed-wing, single engine Withheld at owner's request
Standard 2016-06-29 ValidFAA registration status code V: Valid registration. All codes
N8872P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 2016-06-28 ValidFAA registration status code V: Valid registration. All codes
N911PA Piper
PA-31-310
Fixed-wing, multi-engine Lee County Port Authority
Fort Myers, Florida
Standard 2016-06-23 ValidFAA registration status code V: Valid registration. All codes
N344TX Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2016-06-15 ValidFAA registration status code V: Valid registration. All codes
N276C Piper
PA-32R-301T
Fixed-wing, single engine D&D Airpark LLC
Anchorage, Alaska
Standard 2016-06-09 ValidFAA registration status code V: Valid registration. All codes
N37RT Piper
PA 46-350P
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2016-06-08 ValidFAA registration status code V: Valid registration. All codes
N62BP Piper
PA-32-301T
Fixed-wing, single engine Pecan Aviation LLC
Granbury, Texas
Standard 2016-06-08 ValidFAA registration status code V: Valid registration. All codes
N8868V Bellanca
17-31A
Fixed-wing, single engine Individual owner
Washington
Standard 2016-06-07 ValidFAA registration status code V: Valid registration. All codes
N27471 Piper
PA-31-350
Fixed-wing, multi-engine Grant Aviation INC
Anchorage, Alaska
Standard 2016-06-06 ValidFAA registration status code V: Valid registration. All codes
N524ER Piper
PA-31-350
Fixed-wing, multi-engine Grant Aviation INC
Anchorage, Alaska
Standard 2016-06-06 ValidFAA registration status code V: Valid registration. All codes
N3635S Cessna
T182T
Fixed-wing, single engine 2Nd Chance Enterprise LLC
North Haledon, New Jersey
Standard 2016-06-03 ValidFAA registration status code V: Valid registration. All codes
N27567 Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Pennsylvania
Standard 2016-06-02 ValidFAA registration status code V: Valid registration. All codes
N5442F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Alabama
Standard 2016-06-02 ValidFAA registration status code V: Valid registration. All codes
N14AP Piper
PA-31-350
Fixed-wing, multi-engine Global Air Concepts LLC
Anchorage, Alaska
Standard 2016-05-25 ValidFAA registration status code V: Valid registration. All codes
N3559Q Piper
PA-32R-301T
Fixed-wing, single engine Independence Air LLC
Advance, North Carolina
Standard 2016-05-18 ValidFAA registration status code V: Valid registration. All codes
N645BC Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2016-05-13 ValidFAA registration status code V: Valid registration. All codes
N6897Y Piper
PA-23-250
Fixed-wing, multi-engine Reabe Design LLC
De Pere, Wisconsin
Standard 2016-05-13 ValidFAA registration status code V: Valid registration. All codes
N995TW Whelan Thomas M
RV8 SP
Fixed-wing, single engine Individual owner
Arizona
Experimental 2016-05-12 ValidFAA registration status code V: Valid registration. All codes
N7441S Smith
AEROSTAR 601
Fixed-wing, multi-engine Kp Stunt Productions INC
Burlington, North Dakota
Standard 2016-05-10 ValidFAA registration status code V: Valid registration. All codes
N4079H Piper
PA-31-350
Fixed-wing, multi-engine Warbelow'S Air Ventures INC
Fairbanks, Alaska
Standard 2016-05-09 ValidFAA registration status code V: Valid registration. All codes
N444NA Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2016-05-09 ValidFAA registration status code V: Valid registration. All codes
N21HL Piper
PA-31-350
Fixed-wing, multi-engine Chieftain Aviation INC
Marietta, Georgia
Standard 2016-05-06 ValidFAA registration status code V: Valid registration. All codes
N913TC Piper
PA-32R-301T
Fixed-wing, single engine Propwash LLC
Sunnyvale, California
Standard 2016-05-02 ValidFAA registration status code V: Valid registration. All codes
N526JM Piper
PA 46-350P
Fixed-wing, single engine Faith-Full Family Finances INC
Mount Vernon, Ohio
Standard 2016-04-19 ValidFAA registration status code V: Valid registration. All codes
N888EG Mooney
M20M
Fixed-wing, single engine Mooney N888Eg LLC
Granbury, Texas
Standard 2016-04-18 ValidFAA registration status code V: Valid registration. All codes
N8714P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Missouri
Standard 2016-04-15 ValidFAA registration status code V: Valid registration. All codes
N226ME Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2016-04-14 ValidFAA registration status code V: Valid registration. All codes
N8455F Piper
PA-32R-301T
Fixed-wing, single engine Hill City Aviation LLC
Concord, Virginia
Standard 2016-04-11 ValidFAA registration status code V: Valid registration. All codes
N422MC Piper
PA-32-300
Fixed-wing, single engine Individual owner
Nebraska
Standard 2016-04-07 ValidFAA registration status code V: Valid registration. All codes
N2168B Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2016-04-04 ValidFAA registration status code V: Valid registration. All codes
N727K Piper
PA 46-350P
Fixed-wing, single engine William L Schmidt Attorney At Law PC
Fresno, California
Standard 2016-04-04 ValidFAA registration status code V: Valid registration. All codes
N621RM Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Nevada
Standard 2016-04-01 ValidFAA registration status code V: Valid registration. All codes
N101BH Gallagher
XLT-RG
Fixed-wing, single engine Mpdkm INC
Las Vegas, Nevada
Experimental 2016-03-28 ValidFAA registration status code V: Valid registration. All codes
N9244Y Piper
PA 31P 350
Fixed-wing, multi-engine Parker Aircraft Sales INC
Wilmington, Delaware
Standard 2016-03-18 ValidFAA registration status code V: Valid registration. All codes
N43618 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2016-03-17 ValidFAA registration status code V: Valid registration. All codes
N21AQ Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2016-03-14 ValidFAA registration status code V: Valid registration. All codes
N6623Y Piper
PA-23-250
Fixed-wing, multi-engine Ortner Airport LLC
Wakeman, Ohio
Standard 2016-03-10 ValidFAA registration status code V: Valid registration. All codes
N4129Q Piper
PA-32R-301T
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2016-03-02 ValidFAA registration status code V: Valid registration. All codes
N327ST Cessna
T182T
Fixed-wing, single engine Beach Cities Real Property Holdings LLC
Hermosa Beach, California
Standard 2016-02-25 ValidFAA registration status code V: Valid registration. All codes
N8865P Piper
PA-24-260
Fixed-wing, single engine Individual owner
North Carolina
Standard 2016-02-24 ValidFAA registration status code V: Valid registration. All codes
N100WD Piper
PA-32-301T
Fixed-wing, single engine Everyday Medicine LLC
Nicholasville, Kentucky
Standard 2016-02-22 ValidFAA registration status code V: Valid registration. All codes
N9402P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New Jersey
Standard 2016-02-22 ValidFAA registration status code V: Valid registration. All codes
N8005K Piper
PA-32-301T
Fixed-wing, single engine Individual owner
Texas
Standard 2016-02-11 ValidFAA registration status code V: Valid registration. All codes
N4384S Piper
PA-32R-301
Fixed-wing, single engine M&S Aviation LLC
Lebanon, Missouri
Standard 2016-02-10 ValidFAA registration status code V: Valid registration. All codes
N9239Y Piper
PA 31P 350
Fixed-wing, multi-engine Individual owner
Texas
Standard 2016-01-26 ValidFAA registration status code V: Valid registration. All codes
N104MQ Piper
PA-31-350
Fixed-wing, multi-engine L C Whitford CO INC
Wellsville, New York
Standard 2016-01-21 ValidFAA registration status code V: Valid registration. All codes
N63895 Piper
PA-23-250
Fixed-wing, multi-engine American Drilling of Alabama INC
Alabaster, Alabama
Standard 2016-01-20 ValidFAA registration status code V: Valid registration. All codes
N8622N Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2016-01-20 ValidFAA registration status code V: Valid registration. All codes
N8310P Piper
PA-24-250
Fixed-wing, single engine Premiere Aviation INC
Concord, California
Standard 2016-01-14 ValidFAA registration status code V: Valid registration. All codes
N200VM Piper
PA-32R-300
Fixed-wing, single engine Baker Creek Enterprise
Townsend, Georgia
Standard 2016-01-13 ValidFAA registration status code V: Valid registration. All codes
N1572E Piper
PA-32-300
Fixed-wing, single engine Individual owner
North Carolina
Standard 2016-01-12 ValidFAA registration status code V: Valid registration. All codes
N1906H Piper
PA-32R-300
Fixed-wing, single engine Triplett Gregory L
Holden, Missouri
Standard 2016-01-12 ValidFAA registration status code V: Valid registration. All codes
N101PL Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
California
Standard 2015-12-29 ValidFAA registration status code V: Valid registration. All codes
N363MM Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Louisiana
Standard 2015-12-16 ValidFAA registration status code V: Valid registration. All codes
N7258Z Cessna
T206H
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2015-12-15 ValidFAA registration status code V: Valid registration. All codes
N4942F Piper
PA-32R-300
Fixed-wing, single engine Barton Investment LLC
Salt Lake City, Utah
Standard 2015-12-09 ValidFAA registration status code V: Valid registration. All codes
N782DE Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
West Virginia
Standard 2015-12-08 ValidFAA registration status code V: Valid registration. All codes
N9246M Piper
PA 46-350P
Fixed-wing, single engine Shenkirsch Consulting INC
Mammoth Lakes, California
Standard 2015-12-05 ValidFAA registration status code V: Valid registration. All codes
N32381 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Connecticut
Standard 2015-12-02 ValidFAA registration status code V: Valid registration. All codes
N82646 Piper
PA-36-300
Fixed-wing, single engine Co-owned owner
Montana
Restricted 2015-11-23 ValidFAA registration status code V: Valid registration. All codes
N113TL Cessna
T182T
Fixed-wing, single engine Individual owner
Tennessee
Standard 2015-11-20 ValidFAA registration status code V: Valid registration. All codes
N161MA Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
New Jersey
Standard 2015-11-20 ValidFAA registration status code V: Valid registration. All codes
N30371 Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Texas
Standard 2015-11-20 ValidFAA registration status code V: Valid registration. All codes
N92BL Piper
PA-31-350
Fixed-wing, multi-engine Island Birds INC
St Thomas, U.S. Virgin Islands
Standard 2015-11-17 ValidFAA registration status code V: Valid registration. All codes
N75JE Piper
PA-32-300
Fixed-wing, single engine Hammer Motion Pictures INC
Indianapolis, Indiana
Standard 2015-11-10 ValidFAA registration status code V: Valid registration. All codes
N9247P Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 2015-11-09 ValidFAA registration status code V: Valid registration. All codes
N200CE Rockwell International
114
Fixed-wing, single engine Individual owner
Missouri
Standard 2015-11-05 ValidFAA registration status code V: Valid registration. All codes
N917SE Mooney
M20M
Fixed-wing, single engine Individual owner
Wyoming
Standard 2015-11-04 ValidFAA registration status code V: Valid registration. All codes
N1086T Mooney
M20M
Fixed-wing, single engine Individual owner
Oregon
Standard 2015-10-28 ValidFAA registration status code V: Valid registration. All codes
N84WT Piper
PA32-301XTC
Fixed-wing, single engine Co-owned owner
California
Standard 2015-10-23 ValidFAA registration status code V: Valid registration. All codes
N8998P Piper
PA-24-260
Fixed-wing, single engine Individual owner
California
Standard 2015-10-23 ValidFAA registration status code V: Valid registration. All codes
N99SQ Maule
MX-7-235
Fixed-wing, single engine Individual owner
Washington
Standard 2015-10-22 ValidFAA registration status code V: Valid registration. All codes
N333KT Piper
PA-32R-300
Fixed-wing, single engine Springer Leasing LLC
Athens, Georgia
Standard 2015-10-21 ValidFAA registration status code V: Valid registration. All codes
N696JA Piper
PA-23-250
Fixed-wing, multi-engine National Industrial Services LLC
Kingshill, U.S. Virgin Islands
Standard 2015-10-21 ValidFAA registration status code V: Valid registration. All codes
N7274C Cessna
T206H
Fixed-wing, single engine 182 Flight CORP
Bronx, New York
Standard 2015-10-20 ValidFAA registration status code V: Valid registration. All codes
N150FC Mooney
M20M
Fixed-wing, single engine Individual owner
California
Standard 2015-10-15 ValidFAA registration status code V: Valid registration. All codes
N9150Z Mooney
M20M
Fixed-wing, single engine V T Whitlock INC
Lake City, South Carolina
Standard 2015-10-14 ValidFAA registration status code V: Valid registration. All codes
N722RM Piper
PA-32-300
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2015-10-13 ValidFAA registration status code V: Valid registration. All codes
N7JV Piper
PA-31-310
Fixed-wing, multi-engine Greer Air INC
Saint Cloud, Florida
Standard 2015-10-13 ValidFAA registration status code V: Valid registration. All codes
N4507L Evangel Air
4500-300
Fixed-wing, multi-engine Antique Preservation Associationof Greenfield
Greenfield, Iowa
Standard 2015-10-09 ValidFAA registration status code V: Valid registration. All codes
N58RJ Piper
PA-23-250
Fixed-wing, multi-engine Logan Flyers LLC
Logan, Ohio
Standard 2015-10-06 ValidFAA registration status code V: Valid registration. All codes
N61KB Piper
PA-31-350
Fixed-wing, multi-engine Pegasus III LLC
Wilmington, Delaware
Standard 2015-10-06 ValidFAA registration status code V: Valid registration. All codes
N8206E Piper
PA-32-301T
Fixed-wing, single engine A Kelly Aviation LLC
New Braunfels, Texas
Standard 2015-10-02 ValidFAA registration status code V: Valid registration. All codes
N8820V Bellanca
17-31A
Fixed-wing, single engine Diversified Dialysis Services INC
Lithonia, Georgia
Standard 2015-10-02 ValidFAA registration status code V: Valid registration. All codes
N4078B Piper
PA-31-350
Fixed-wing, multi-engine Dodson International Parts INC
Rantoul, Kansas
Standard 2015-09-30 ValidFAA registration status code V: Valid registration. All codes
N998SB Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2015-09-23 ValidFAA registration status code V: Valid registration. All codes
N20SS Smith
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2015-09-22 ValidFAA registration status code V: Valid registration. All codes
N2455X Cessna
T206H
Fixed-wing, single engine Rucker Aviation Logistics INC
Shingle Springs, California
Standard 2015-09-17 ValidFAA registration status code V: Valid registration. All codes
N515DP Cessna
T182T
Fixed-wing, single engine Individual owner
Florida
Standard 2015-09-16 ValidFAA registration status code V: Valid registration. All codes
N8720P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 2015-09-15 ValidFAA registration status code V: Valid registration. All codes
N669P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2015-09-14 ValidFAA registration status code V: Valid registration. All codes
Previous Page 35 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.