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
N405WB Piper
PA-32-300
Fixed-wing, single engine New England Airlines INC
Westerly, Rhode Island
Standard 1988-08-25 ValidFAA registration status code V: Valid registration. All codes
N404CH Piper
PA-23-250
Fixed-wing, multi-engine Northwestern Michigan College
Traverse City, Michigan
Standard 1988-08-22 ValidFAA registration status code V: Valid registration. All codes
N3586X Piper
PA-31-310
Fixed-wing, multi-engine Pops Aviation INC
Spartanburg, South Carolina
Standard 1988-08-08 ValidFAA registration status code V: Valid registration. All codes
N8992P Piper
PA-24-260
Fixed-wing, single engine L and L Aviation INC
Mount Airy, Maryland
Standard 1988-07-19 ValidFAA registration status code V: Valid registration. All codes
N1937J Rockwell International
114
Fixed-wing, single engine Individual owner
Mississippi
Standard 1988-07-14 ValidFAA registration status code V: Valid registration. All codes
N3547G Piper
PA-31-350
Fixed-wing, multi-engine Carto Flight INC
Willoughby, Ohio
Standard 1988-04-18 ValidFAA registration status code V: Valid registration. All codes
N2DP Piper
PA-32-300
Fixed-wing, single engine Great Circle Flying Club INC
Sandusky, Ohio
Standard 1988-04-08 ValidFAA registration status code V: Valid registration. All codes
N9FW Piper
PA-31-350
Fixed-wing, multi-engine Wright Air Service INC
Fairbanks, Alaska
Standard 1988-03-07 ValidFAA registration status code V: Valid registration. All codes
N134TS Smith
AEROSTAR 601
Fixed-wing, multi-engine Individual owner
Florida
Standard 1988-03-04 ValidFAA registration status code V: Valid registration. All codes
N93541 Bellanca
17-31A
Fixed-wing, single engine Individual owner
Arizona
Standard 1988-02-09 ValidFAA registration status code V: Valid registration. All codes
N535CA Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 1987-11-16 ValidFAA registration status code V: Valid registration. All codes
N630KC Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1987-10-06 ValidFAA registration status code V: Valid registration. All codes
N5454Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Ohio
Standard 1987-08-31 ValidFAA registration status code V: Valid registration. All codes
N1512F Cessna
185D
Fixed-wing, single engine Individual owner
Alaska
Standard 1987-08-28 ValidFAA registration status code V: Valid registration. All codes
N5900N Rockwell International
114A
Fixed-wing, single engine Co-owned owner
California
Standard 1987-07-17 ValidFAA registration status code V: Valid registration. All codes
N9412P Piper
PA-24-260
Fixed-wing, single engine J L Darr and Son INC
High Point, North Carolina
Standard 1986-12-10 ValidFAA registration status code V: Valid registration. All codes
N1297T Piper
PA-32-300
Fixed-wing, single engine Individual owner
Florida
Standard 1986-12-03 ValidFAA registration status code V: Valid registration. All codes
N82097 Piper
PA-32R-301T
Fixed-wing, single engine Argosy Venture Corporation
Pagosa Springs, Colorado
Standard 1986-11-04 ValidFAA registration status code V: Valid registration. All codes
N8043P Piper
PA-24-250
Fixed-wing, single engine Gray Motors INC
Port Angeles, Washington
Special flight permit 1986-08-05 ValidFAA registration status code V: Valid registration. All codes
N9069Y Piper
PA-31-310
Fixed-wing, multi-engine Ami Aviation INC
Monroe, New York
Experimental 1986-02-06 ValidFAA registration status code V: Valid registration. All codes
N54258 Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New Hampshire
Standard 1986-02-05 ValidFAA registration status code V: Valid registration. All codes
N2172B Piper
PA-32RT-300T
Fixed-wing, single engine Individual owner
Florida
Standard 1986-01-16 ValidFAA registration status code V: Valid registration. All codes
N5579Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 1985-12-06 ValidFAA registration status code V: Valid registration. All codes
N516DT Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1985-10-01 ValidFAA registration status code V: Valid registration. All codes
N716TC Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1985-08-13 ValidFAA registration status code V: Valid registration. All codes
N615MT Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1985-07-12 ValidFAA registration status code V: Valid registration. All codes
N610BW Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1985-06-28 ValidFAA registration status code V: Valid registration. All codes
N6786Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
South Dakota
Standard 1985-05-21 ValidFAA registration status code V: Valid registration. All codes
N194Z Aero Commander
500-B
Fixed-wing, multi-engine Usda Forest Service Fepp
Malvern, Arkansas
Standard 1985-05-17 ValidFAA registration status code V: Valid registration. All codes
N7553L Piper
PA-31-310
Fixed-wing, multi-engine Individual owner
Ohio
Standard 1985-04-18 ValidFAA registration status code V: Valid registration. All codes
N7204C Piper
PA-32R-300
Fixed-wing, single engine Housley Communications INC
San Angelo, Texas
Standard 1984-12-05 ValidFAA registration status code V: Valid registration. All codes
N404WB Britten-Norman
BN2A-26 ISLANDER
Fixed-wing, multi-engine New England Airlines INC
Westerly, Rhode Island
Standard 1984-08-23 ValidFAA registration status code V: Valid registration. All codes
N114TB Rockwell International
114
Fixed-wing, single engine Individual owner
California
Standard 1984-08-01 ValidFAA registration status code V: Valid registration. All codes
N7294P Piper
PA-23-250
Fixed-wing, multi-engine Mcnamara Pa
Far Hills, New Jersey
Standard 1984-04-09 ValidFAA registration status code V: Valid registration. All codes
N8355X Piper
PA-32R-301T
Fixed-wing, single engine Skyway Leasing CO INC
Yakima, Washington
Standard 1984-03-13 ValidFAA registration status code V: Valid registration. All codes
N8386H Piper
PA-32R-301T
Fixed-wing, single engine Sierra Aero
Carson City, Nevada
Standard 1984-03-10 ValidFAA registration status code V: Valid registration. All codes
N7669V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Individual owner
Montana
Restricted 1983-07-21 ValidFAA registration status code V: Valid registration. All codes
N62812 Piper
PA-23-250
Fixed-wing, multi-engine Facer Insurance Agency INC
Rantoul, Illinois
Standard 1983-05-24 ValidFAA registration status code V: Valid registration. All codes
N654MD Piper
PA-23-250
Fixed-wing, multi-engine Professional Storage INC
Hobe Sound, Florida
Standard 1983-03-11 ValidFAA registration status code V: Valid registration. All codes
N8638P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Illinois
Standard 1983-03-09 ValidFAA registration status code V: Valid registration. All codes
N6290X Aero Commander
500-B
Fixed-wing, multi-engine Delcor Electronics INC
Mount Vernon, New York
Standard 1982-11-18 ValidFAA registration status code V: Valid registration. All codes
N39613 Piper
PA-32-300
Fixed-wing, single engine Individual owner
California
Standard 1982-11-15 ValidFAA registration status code V: Valid registration. All codes
N429FS Bellanca
17-31A
Fixed-wing, single engine Individual owner
New Jersey
Standard 1982-08-25 ValidFAA registration status code V: Valid registration. All codes
N324RT Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Puerto Rico
Standard 1980-05-14 ValidFAA registration status code V: Valid registration. All codes
N446AE Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1979-06-07 ValidFAA registration status code V: Valid registration. All codes
N23BQ Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1979-02-13 ValidFAA registration status code V: Valid registration. All codes
N22262 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Arizona
Standard 1979-01-04 ValidFAA registration status code V: Valid registration. All codes
N21683 Piper
PA-32-300
Fixed-wing, single engine Flying H INC
Hoxie, Kansas
Standard 1978-12-12 ValidFAA registration status code V: Valid registration. All codes
N8960N Piper
PA-32-300
Fixed-wing, single engine Skyriders INC
Pocatello, Idaho
Standard 1978-09-01 ValidFAA registration status code V: Valid registration. All codes
N68K Piper
PA-32R-300
Fixed-wing, single engine Individual owner
California
Standard 1977-11-02 ValidFAA registration status code V: Valid registration. All codes
N5495Y Piper
PA-23-250
Fixed-wing, multi-engine Co-owned owner
Minnesota
Standard 1977-10-13 ValidFAA registration status code V: Valid registration. All codes
N93486 Bellanca
17-31ATC
Fixed-wing, single engine Ablamis Roger
Los Gatos, California
Standard 1977-05-25 ValidFAA registration status code V: Valid registration. All codes
N54WA Piper
PA-31-350
Fixed-wing, multi-engine Wright Air Service INC
Fairbanks, Alaska
Standard 1977-05-23 ValidFAA registration status code V: Valid registration. All codes
N1063Q Piper
PA-32R-300
Fixed-wing, single engine Russell Construction CO
Douglas, Wyoming
Standard 1977-03-21 ValidFAA registration status code V: Valid registration. All codes
N444CA Aero Commander
500-B
Fixed-wing, multi-engine Central Airlines INC
Leawood, Kansas
Standard 1976-10-06 ValidFAA registration status code V: Valid registration. All codes
N6902Y Piper
PA-23-250
Fixed-wing, multi-engine J L Darr & Son INC
High Point, North Carolina
Standard 1976-06-02 ValidFAA registration status code V: Valid registration. All codes
N70394 Cessna
A185F
Fixed-wing, single engine Individual owner
Alaska
Standard 1976-04-09 ValidFAA registration status code V: Valid registration. All codes
N8858P Piper
PA-24-260
Fixed-wing, single engine Co-owned owner
California
Standard 1974-12-17 ValidFAA registration status code V: Valid registration. All codes
N8906P Piper
PA-24-260
Fixed-wing, single engine Comanche INC
Leoti, Kansas
Standard 1971-05-14 ValidFAA registration status code V: Valid registration. All codes
N900GP Piper
PA-24-260
Fixed-wing, single engine Individual owner
Mississippi
Standard 1971-04-21 ValidFAA registration status code V: Valid registration. All codes
N5545Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
New York
Standard 1970-03-25 ValidFAA registration status code V: Valid registration. All codes
N7629V Aero Commander
CALLAIR A-9B
Fixed-wing, single engine Mountain Air Spray CO
Craig, Colorado
Restricted 1968-04-25 ValidFAA registration status code V: Valid registration. All codes
N6034Y Piper
PA-23-250
Fixed-wing, multi-engine Tan American Corporation
New York, New York
Standard 1966-06-03 RevokedFAA registration status code 9: Registration certificate revoked. All codes
N105TL Cessna
T182T
Fixed-wing, single engine Slay Brothers Enterprises LLC
Winter Haven, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N1085W Mooney
M20M
Fixed-wing, single engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N11414 Cessna
T182T
Fixed-wing, single engine Van Bortel Aircraft INC
Arlington, Texas
Standard ValidFAA registration status code V: Valid registration. All codes
N131PJ Piper
PA-31
Fixed-wing, multi-engine Crosswinds Flight Center INC
Drums, Pennsylvania
Standard ValidFAA registration status code V: Valid registration. All codes
N132DR Piper
PA-32R-301T
Fixed-wing, single engine Individual owner
South Carolina
Standard PendingFAA registration status code R: Registration pending. All codes
N133WC Piper
PA 46-350P
Fixed-wing, single engine Individual owner
Tennessee
Standard PendingFAA registration status code R: Registration pending. All codes
N14138 Piper
PA-23-250
Fixed-wing, multi-engine Island Bound LLC
Dunedin, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N14379 Piper
PA-23-250
Fixed-wing, multi-engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N1776U Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Nevada
Standard PendingFAA registration status code R: Registration pending. All codes
N182MU Cessna
T182T
Fixed-wing, single engine Tru Flight Materials LLC
Wilmington, Delaware
Standard ValidFAA registration status code V: Valid registration. All codes
N242RK Piper
PA-31-325
Fixed-wing, multi-engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N3024D Piper
PA-32RT-300T
Fixed-wing, single engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N3075R Piper
PA-32RT-300T
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N313RM Cessna
T182T
Fixed-wing, single engine Van Bortel Aircraft INC
Arlington, Texas
Standard ValidFAA registration status code V: Valid registration. All codes
N31RD Piper
PA-31-350
Fixed-wing, multi-engine Island Bound LLC
Dunedin, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N322TM Mooney
M20M
Fixed-wing, single engine Skywagons.Com LLC
Placerville, California
Standard ValidFAA registration status code V: Valid registration. All codes
N325J Piper
PA-31-325
Fixed-wing, multi-engine Individual owner
Illinois
Standard PendingFAA registration status code R: Registration pending. All codes
N334RP Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
South Carolina
Standard PendingFAA registration status code R: Registration pending. All codes
N3551C Piper
PA-31-310
Fixed-wing, multi-engine No owner on file
Standard Pending cancellationFAA registration status code 10: N-number assigned, not registered, pending cancellation. All codes
N3560G Cessna
T182T
Fixed-wing, single engine Van Bortel Aircraft INC
Arlington, Texas
Standard ValidFAA registration status code V: Valid registration. All codes
N3590D Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard CanceledFAA registration status code 18: Sale reported, canceled. All codes
N36591 Piper
PA-32RT-300T
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N3661E Piper
PA-36-300
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Restricted ValidFAA registration status code V: Valid registration. All codes
N3699E Piper
PA-36-300
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Restricted ValidFAA registration status code V: Valid registration. All codes
N369CV Cessna
T206H
Fixed-wing, single engine Van Bortel Aircraft INC
Arlington, Texas
Standard ValidFAA registration status code V: Valid registration. All codes
N371MC Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Florida
Standard Sale reportedFAA registration status code 7. All codes
N3739E Piper
PA-36-300
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Restricted ValidFAA registration status code V: Valid registration. All codes
N3746P Piper
PA-31-350
Fixed-wing, multi-engine Individual owner
Florida
Standard Sale reportedFAA registration status code 17: Sale reported, pending cancellation. All codes
N3785E Piper
PA-36-300
Fixed-wing, single engine Individual owner
Minnesota
Restricted PendingFAA registration status code R: Registration pending. All codes
N37CK Aero Commander
500-B
Fixed-wing, multi-engine Individual owner
U.S. Virgin Islands
Standard Sale reportedFAA registration status code 7. All codes
N3838E Piper
PA-36-300
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Restricted ValidFAA registration status code V: Valid registration. All codes
N3839E Piper
PA-36-300
Fixed-wing, single engine Piper Aircraft INC
Vero Beach, Florida
Restricted ValidFAA registration status code V: Valid registration. All codes
N39650 Piper
PA-32RT-300T
Fixed-wing, single engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N40454 Piper
PA-23-250
Fixed-wing, multi-engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N4076T Piper
PA-31-350
Fixed-wing, multi-engine Mike Jones Aircraft Sales INC
Murfreesboro, Tennessee
Standard ValidFAA registration status code V: Valid registration. All codes
N4090U Piper
PA-31-350
Fixed-wing, multi-engine Island Bound LLC
Dunedin, Florida
Standard ValidFAA registration status code V: Valid registration. All codes
N40LH Mooney
M20M
Fixed-wing, single engine Individual owner
Oregon
Standard Sale reportedFAA registration status code 7. 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.