The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 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
N9145X Mooney
M20M
Fixed-wing, single engine Hk Aero LLC
Wilmington, Delaware
Standard 2006-12-19 ValidFAA registration status code V: Valid registration. All codes
N83808 Piper
PA-32R-301T
Fixed-wing, single engine Jcl Aviation INC
Palm Harbor, Florida
Standard 2006-12-14 ValidFAA registration status code V: Valid registration. All codes
N191FA Cessna
T182T
Fixed-wing, single engine Individual owner
California
Standard 2006-12-13 ValidFAA registration status code V: Valid registration. All codes
N11CG Piper
PA-24-260
Fixed-wing, single engine Comanche 260B-N11Cg
Pomeroy, Washington
Standard 2006-12-11 ValidFAA registration status code V: Valid registration. All codes
N9680T Piper
PA-31
Fixed-wing, multi-engine K and K Recycling INC
Fairbanks, Alaska
Standard 2006-11-14 ValidFAA registration status code V: Valid registration. All codes
N2101G Cessna
T182T
Fixed-wing, single engine Individual owner
Ohio
Standard 2006-11-02 ValidFAA registration status code V: Valid registration. All codes
N92HD Piper
PA-32R-301T
Fixed-wing, single engine N242Ak LLC
Ocala, Florida
Standard 2006-10-31 ValidFAA registration status code V: Valid registration. All codes
N8218A Piper
PA-32R-301T
Fixed-wing, single engine First Flight INC
Watertown, Connecticut
Standard 2006-10-30 ValidFAA registration status code V: Valid registration. All codes
N40510 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Massachusetts
Standard 2006-10-25 ValidFAA registration status code V: Valid registration. All codes
N43070 Piper
PA-32-300
Fixed-wing, single engine Wkb Aviation LLC
Walnut Creek, California
Standard 2006-10-18 ValidFAA registration status code V: Valid registration. All codes
N27647 Piper
PA-31-325
Fixed-wing, multi-engine Aviation Department INC
Avon Park, Florida
Standard 2006-10-12 ValidFAA registration status code V: Valid registration. All codes
N450KC Piper
PA-31-350
Fixed-wing, multi-engine Charles City Aeronautics INC
Charles City, Iowa
Standard 2006-10-11 ValidFAA registration status code V: Valid registration. All codes
N9056P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Texas
Standard 2006-09-22 ValidFAA registration status code V: Valid registration. All codes
N51849 Cessna
T206H
Fixed-wing, single engine O'Ryan Air LLC
Wichita, Kansas
Standard 2006-09-21 ValidFAA registration status code V: Valid registration. All codes
N9200P Piper
PA-24-260
Fixed-wing, single engine Wings & Wheels Lease of Central Nebraska LLC
Broken Bow, Nebraska
Standard 2006-09-18 ValidFAA registration status code V: Valid registration. All codes
N333CX Piper
PA-24-260
Fixed-wing, single engine Flying Bs LLC
Canby, Oregon
Standard 2006-09-08 ValidFAA registration status code V: Valid registration. All codes
N757RB Cessna
T206H
Fixed-wing, single engine Taa Aviation LLC
Lewes, Delaware
Standard 2006-09-08 ValidFAA registration status code V: Valid registration. All codes
N7533S Smith
AEROSTAR 600
Fixed-wing, multi-engine D & T Wilson CO INC
Hillsboro, Indiana
Standard 2006-08-30 ValidFAA registration status code V: Valid registration. All codes
N4DR Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Hawaii
Standard 2006-08-28 ValidFAA registration status code V: Valid registration. All codes
N52766 Cessna
T206H
Fixed-wing, single engine Krobkrua Tio LLC
Snowflake, Arizona
Standard 2006-08-24 ValidFAA registration status code V: Valid registration. All codes
N5848V Piper
PA-32R-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2006-08-16 ValidFAA registration status code V: Valid registration. All codes
N797BB Cessna
T182T
Fixed-wing, single engine Kurt Aviation
Middleton, Delaware
Standard 2006-08-15 ValidFAA registration status code V: Valid registration. All codes
N4220R Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2006-08-09 ValidFAA registration status code V: Valid registration. All codes
N75247 Piper
PA-32R-300
Fixed-wing, single engine G W R LLC
Wilmington, Delaware
Standard 2006-08-09 ValidFAA registration status code V: Valid registration. All codes
N2205P Piper
PA-32RT-300
Fixed-wing, single engine Signature Properties of Litchfield INC
Murrells Inlet, South Carolina
Standard 2006-08-03 ValidFAA registration status code V: Valid registration. All codes
N794SA Cessna
T182T
Fixed-wing, single engine Tmb Aviation LLC
Fresno, California
Standard 2006-07-31 ValidFAA registration status code V: Valid registration. All codes
N8572P Piper
PA-24-260
Fixed-wing, single engine Service Drug DBA
Chadron, Nebraska
Standard 2006-07-31 ValidFAA registration status code V: Valid registration. All codes
N801DP Aero Commander
500-B
Fixed-wing, multi-engine Sunset Aviation Services LLC
Coeur D Alene, Idaho
Standard 2006-07-27 ValidFAA registration status code V: Valid registration. All codes
N7052H Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Restricted 2006-07-11 ValidFAA registration status code V: Valid registration. All codes
N3TD Grumman
SCAN TYPE 30
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2006-06-23 ValidFAA registration status code V: Valid registration. All codes
N871PD Cessna
182S
Fixed-wing, single engine Johnson Aircraft Leasing LLC
Springfield, Illinois
Standard 2006-06-21 ValidFAA registration status code V: Valid registration. All codes
N8634N Piper
PA-32-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2006-06-20 ValidFAA registration status code V: Valid registration. All codes
N7164D Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2006-06-09 ValidFAA registration status code V: Valid registration. All codes
N820FS Piper
PA-31-350
Fixed-wing, multi-engine Air Arctic INC
Fairbanks, Alaska
Standard 2006-06-09 ValidFAA registration status code V: Valid registration. All codes
N15040 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2006-06-06 ValidFAA registration status code V: Valid registration. All codes
N7507S Butler Aircraft Company
AEROSTAR 601
Fixed-wing, multi-engine Blue Sky Aviation INC
Texico, New Mexico
Standard 2006-05-30 ValidFAA registration status code V: Valid registration. All codes
N7266B Cessna
T182T
Fixed-wing, single engine Buttonwood Construction LLC
Islamorada, Florida
Standard 2006-05-11 ValidFAA registration status code V: Valid registration. All codes
N797VC Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Puerto Rico
Standard 2006-05-10 ValidFAA registration status code V: Valid registration. All codes
N4322T Piper
PA-23-250
Fixed-wing, multi-engine King Kong Broadcasting INC
Las Vegas, Nevada
Standard 2006-05-05 ValidFAA registration status code V: Valid registration. All codes
N1977J Rockwell International
114
Fixed-wing, single engine Co-owned owner
Florida
Standard 2006-05-04 ValidFAA registration status code V: Valid registration. All codes
N41335 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Kansas
Standard 2006-05-03 ValidFAA registration status code V: Valid registration. All codes
N42178 Cessna
T206H
Fixed-wing, single engine Montana Dept of Transportation
Helena, Montana
Standard 2006-04-26 ValidFAA registration status code V: Valid registration. All codes
N27212 Mooney
M20M
Fixed-wing, single engine Co-owned owner
California
Standard 2006-04-24 ValidFAA registration status code V: Valid registration. All codes
N280JB Piper
PA-32R-301T
Fixed-wing, single engine S & S Properties INC
N Kansas City, Missouri
Standard 2006-04-21 ValidFAA registration status code V: Valid registration. All codes
N10262 Cessna
T182T
Fixed-wing, single engine Davoli Third Family Limited Partnership
Lighthouse Point, Florida
Standard 2006-04-19 ValidFAA registration status code V: Valid registration. All codes
N6472Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2006-04-07 ValidFAA registration status code V: Valid registration. All codes
N8214Q Piper
PA-32R-301T
Fixed-wing, single engine B & B Flying LLC
Green River, Wyoming
Standard 2006-04-05 ValidFAA registration status code V: Valid registration. All codes
N206EA Cessna
T206H
Fixed-wing, single engine Individual owner
Connecticut
Standard 2006-04-04 ValidFAA registration status code V: Valid registration. All codes
N54AL Smith
AEROSTAR 601P
Fixed-wing, multi-engine Southshore Aviation LLC
Oklahoma City, Oklahoma
Standard 2006-04-04 ValidFAA registration status code V: Valid registration. All codes
N322MM Cessna
T182T
Fixed-wing, single engine River Transport LLC
Redlands, California
Standard 2006-03-14 ValidFAA registration status code V: Valid registration. All codes
N57BP Mooney
M20M
Fixed-wing, single engine B&C Property Group LLC
Plymouth, Michigan
Standard 2006-02-27 ValidFAA registration status code V: Valid registration. All codes
N9220P Piper
PA-24-260
Fixed-wing, single engine David Rever Aviation LLC
Dewey Beach, Delaware
Standard 2006-02-08 ValidFAA registration status code V: Valid registration. All codes
N690RR Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 2006-02-03 ValidFAA registration status code V: Valid registration. All codes
N703CW Cessna
T182T
Fixed-wing, single engine Wasem Investments LLC
Salem, Oregon
Standard 2006-01-25 ValidFAA registration status code V: Valid registration. All codes
N703WM Cessna
T182T
Fixed-wing, single engine Individual owner
Colorado
Standard 2006-01-25 ValidFAA registration status code V: Valid registration. All codes
N139WT Mooney
M20M
Fixed-wing, single engine Cotton Business Enterprises LLC
Hummelstown, Pennsylvania
Standard 2006-01-24 ValidFAA registration status code V: Valid registration. All codes
N411CF Piper
PA-31-300
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2006-01-13 ValidFAA registration status code V: Valid registration. All codes
N5880K Cessna
T206H
Fixed-wing, single engine Cjc LLC
Syracuse, Utah
Standard 2006-01-13 ValidFAA registration status code V: Valid registration. All codes
N30662 Piper
PA32-301XTC
Fixed-wing, single engine Jandair LLC
Ennis, Texas
Standard 2006-01-12 ValidFAA registration status code V: Valid registration. All codes
N8292T Piper
PA-32R-301T
Fixed-wing, single engine James Peterson Sons INC
Medford, Wisconsin
Standard 2006-01-11 ValidFAA registration status code V: Valid registration. All codes
N3532Y Cessna
T206H
Fixed-wing, single engine Edwin C Poss INC
Clayton, Georgia
Standard 2006-01-10 ValidFAA registration status code V: Valid registration. All codes
N5576J Piper
PA-32R-300
Fixed-wing, single engine Indiana Wings INC
Indianapolis, Indiana
Standard 2006-01-10 ValidFAA registration status code V: Valid registration. All codes
N6463U Cessna
T206H
Fixed-wing, single engine Vip Leasing LLC
Mesa, Arizona
Standard 2006-01-05 ValidFAA registration status code V: Valid registration. All codes
N6549A Piper
PA-23-250
Fixed-wing, multi-engine Gregory P Cook LLC
Spokane, Washington
Standard 2005-12-19 ValidFAA registration status code V: Valid registration. All codes
N6636V Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
Virginia
Standard 2005-12-12 ValidFAA registration status code V: Valid registration. All codes
N126PK Piper
PA-32R-301T
Fixed-wing, single engine Ptk Equipment INC
Miami Lakes, Florida
Standard 2005-12-08 ValidFAA registration status code V: Valid registration. All codes
N8744P Piper
PA-24-260
Fixed-wing, single engine Jorheim Chris N
Altoona, Pennsylvania
Standard 2005-12-07 ValidFAA registration status code V: Valid registration. All codes
N424WH Cessna
T182T
Fixed-wing, single engine Individual owner
Oregon
Standard 2005-12-01 ValidFAA registration status code V: Valid registration. All codes
N9103P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2005-11-17 ValidFAA registration status code V: Valid registration. All codes
N9186N Aero Commander
500 S
Fixed-wing, multi-engine Shrike One LLC
Deerfield Beach, Florida
Standard 2005-11-17 ValidFAA registration status code V: Valid registration. All codes
N931SA Piper
PA-31-350
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2005-11-03 ValidFAA registration status code V: Valid registration. All codes
N22450 Piper
PA-32RT-300T
Fixed-wing, single engine Red Mountain Express Care LLC
Queen Creek, Arizona
Standard 2005-10-31 ValidFAA registration status code V: Valid registration. All codes
N88ZM Piper
PA-31-350
Fixed-wing, multi-engine Florida Aero Services Sales Division INC
Brandon, Florida
Standard 2005-10-05 ValidFAA registration status code V: Valid registration. All codes
N700C Piper
PA-31-350
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2005-09-26 ValidFAA registration status code V: Valid registration. All codes
N6294Y Cessna
T182T
Fixed-wing, single engine Individual owner
Alaska
Standard 2005-09-22 ValidFAA registration status code V: Valid registration. All codes
N43108 Piper
PA-32-300
Fixed-wing, single engine Hunter Aviation INC
Albany, Georgia
Standard 2005-09-21 ValidFAA registration status code V: Valid registration. All codes
N120ML Piper
PA-31-350
Fixed-wing, multi-engine Mrl Aviation LLC
Wilmington, Delaware
Standard 2005-09-19 ValidFAA registration status code V: Valid registration. All codes
N4033W Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2005-09-01 ValidFAA registration status code V: Valid registration. All codes
N18260 Cessna
T206H
Fixed-wing, single engine Atc Trucking INC
Miami, Florida
Standard 2005-08-22 ValidFAA registration status code V: Valid registration. All codes
N8187P Piper
PA-24-250
Fixed-wing, single engine Individual owner
North Dakota
Standard 2005-08-09 ValidFAA registration status code V: Valid registration. All codes
N54772 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Texas
Standard 2005-08-05 ValidFAA registration status code V: Valid registration. All codes
N4499X Piper
PA-32R-300
Fixed-wing, single engine Citrus Flight LLC
Lecanto, Florida
Standard 2005-08-03 ValidFAA registration status code V: Valid registration. All codes
N35834 Piper
PA-31-350
Fixed-wing, multi-engine Carto-Flight
Willoughby, Ohio
Standard 2005-07-25 ValidFAA registration status code V: Valid registration. All codes
N756F Cessna
T206H
Fixed-wing, single engine Individual owner
Wyoming
Multiple 2005-07-25 ValidFAA registration status code V: Valid registration. All codes
N951JB Commander Aircraft Co
114TC
Fixed-wing, single engine Individual owner
Texas
Standard 2005-07-21 ValidFAA registration status code V: Valid registration. All codes
N179EC Piper
PA-31-310
Fixed-wing, multi-engine Kibler INC
Wilmington, Delaware
Standard 2005-07-19 ValidFAA registration status code V: Valid registration. All codes
N943ZA Cessna
T182T
Fixed-wing, single engine Howie Express LLC
Highland, Michigan
Standard 2005-07-14 ValidFAA registration status code V: Valid registration. All codes
N2095S Cessna
T206H
Fixed-wing, single engine Mrk Aviation LLC
Delray Beach, Florida
Standard 2005-07-11 ValidFAA registration status code V: Valid registration. All codes
N961RW Cessna
T182T
Fixed-wing, single engine Berchick INC
Corrales, New Mexico
Standard 2005-07-08 ValidFAA registration status code V: Valid registration. All codes
N8308V Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
Connecticut
Standard 2005-06-28 ValidFAA registration status code V: Valid registration. All codes
N350GB Piper
PA-31-350
Fixed-wing, multi-engine Carto-Flight
Willoughby, Ohio
Standard 2005-06-27 ValidFAA registration status code V: Valid registration. All codes
N85HG Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Jwp Group LLC
Long Island, Maine
Standard 2005-06-27 ValidFAA registration status code V: Valid registration. All codes
N628HA Piper
PA-31-350
Fixed-wing, multi-engine Digital Mapping INC
Huntington Beach, California
Standard 2005-06-24 ValidFAA registration status code V: Valid registration. All codes
N772DS Piper
PA 46-350P
Fixed-wing, single engine Charleston Aviation INC
Charleston, Illinois
Standard 2005-06-20 ValidFAA registration status code V: Valid registration. All codes
N9167Y Piper
PA-31
Fixed-wing, multi-engine Comanche Flyers INC
Gig Harbor, Washington
Standard 2005-06-20 ValidFAA registration status code V: Valid registration. All codes
N552DC Mooney
M20M
Fixed-wing, single engine Individual owner
Nevada
Standard 2005-06-15 ValidFAA registration status code V: Valid registration. All codes
N4385F Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Arizona
Standard 2005-06-09 ValidFAA registration status code V: Valid registration. All codes
N333MK Mooney
M20M
Fixed-wing, single engine Individual owner
Indiana
Standard 2005-06-07 ValidFAA registration status code V: Valid registration. All codes
N9605E Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2005-06-01 ValidFAA registration status code V: Valid registration. All codes
N182PP Cessna
T182T
Fixed-wing, single engine Individual owner
Florida
Standard 2005-05-26 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 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.