The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Lycoming IO-540 series

4,218 aircraft on the U.S. register carry a Lycoming IO-540 series engine, rated at about 300 horsepower. The Piper PA-32 Cherokee Six, Lance and Saratoga is the model most often fitted with it (1,059 aircraft). The aircraft carrying it were built between 1965 and 2026.

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 IO-540 series (2 codes). FAA spellings: IO-540 SER · IO 540 SER.

Fitted to model families

Piper PA-32 Cherokee Six, Lance and Saratoga1,059Cessna 182 Skylane978Robinson R44294Piper PA-23 Apache and Aztec175Daher (Socata) TB-20151Maule M-7108Cessna 206 Stationair99Piper AEROSTAR 60184Rockwell International 11478Commander Aircraft Co 11463Maule M-647Maule MT-742

Piper PA-32 Cherokee Six, Lance and Saratoga · Cessna 182 Skylane · Robinson R44 · Piper PA-23 Apache and Aztec · Daher (Socata) TB-20 · Maule M-7 · Cessna 206 Stationair · Piper AEROSTAR 601 · Rockwell International 114 · Commander Aircraft Co 114

Where they are owner's state

Texas419Florida399California295Delaware218North Carolina124Georgia123Michigan115Pennsylvania109Alaska109Alabama108

Kind of aircraft

Piston singles3,503 (83%)Piston twins410 (10%)Helicopters296 (7%)Turboprops9 (0.2%)

When the aircraft were built by decade

03356701,0041,33919401950196019701980199020002010562020

What the FAA has certified, ordered and been told about the Lycoming IO-540 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 316 failure reports with the FAA since 1995, 17 of them in the last ten years.

Failure reports 316 since · what operators and shops told the FAA

012253850950005101523226

Parts most often reported as the reports name them

Magneto19Cylinder10Bearing8Gasket8Bolt7Boot7Actuator6Line6Pump6Baffle5

Latest reports

2026-05-09Thrust Button: faulted
2026-01-29Magneto: failed
2024-08-07Magneto: failed
2024-08-06Magneto: failed
2024-03-14Magneto: failed

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-io-540-series.json · about the eFlight graph.

Aircraft newest certificates first · 4,218

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N219DG Piper
PA-32R-301
Fixed-wing, single engine Ctrl Electrical LLC
Lexington, North Carolina
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N10457 Cessna
206H
Fixed-wing, single engine Six Ten Ventures LLC
Cedar Hill, Texas
Standard 2026-02-02 ValidFAA registration status code V: Valid registration. All codes
N1701E Piper
PA-32RT-300
Fixed-wing, single engine Valiair Limited CO Trustee
Casper, Wyoming
Standard 2026-02-01 ValidFAA registration status code V: Valid registration. All codes
N2435C Cessna
182S
Fixed-wing, single engine Azure Skies LLC
Bloomington, Indiana
Standard 2026-01-31 ValidFAA registration status code V: Valid registration. All codes
N575GM Socata
TB-20 TRINIDAD
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-30 ValidFAA registration status code V: Valid registration. All codes
N882JH Maule
M-7-235B
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-30 ValidFAA registration status code V: Valid registration. All codes
N112WM Piper
PA-32-300
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N464MA Cessna
182S
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N56462 Maule
M-6-235
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N63796 Piper
PA-23-250
Fixed-wing, multi-engine Valiair Limited Company Owner Trustee
Casper, Wyoming
Standard 2026-01-28 ValidFAA registration status code V: Valid registration. All codes
N114AT Commander Aircraft Co
114-B
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-27 ValidFAA registration status code V: Valid registration. All codes
N157ZZ Cessna
182S
Fixed-wing, single engine Withheld at owner's request
Standard 2026-01-27 ValidFAA registration status code V: Valid registration. All codes
N6039X Commander Aircraft Co
114-B
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-01-27 ValidFAA registration status code V: Valid registration. All codes
N907LL Robinson Helicopter
R44 II
Helicopter Aerial AG Services LLC
Hillsboro, Texas
Standard 2026-01-23 ValidFAA registration status code V: Valid registration. All codes
N168TA Cessna
182T
Fixed-wing, single engine Kj Aviation Holdings LLC
Chesterfield, Michigan
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N179GC Connell Greg
F-1 ROCKET
Fixed-wing, single engine Wolfpacc INC
Ponte Vedra, Florida
Experimental 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N343MA Piper
PA-32R-301
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N816JH Cessna
182T
Fixed-wing, single engine Indy Aviation LLC
Carmel, Indiana
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N70VB Smith
AEROSTAR 600
Fixed-wing, multi-engine Palmy LLC
Lander, Wyoming
Standard 2026-01-21 ValidFAA registration status code V: Valid registration. All codes
N101DW Piper
PA-32R-300
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Special flight permit 2026-01-20 ValidFAA registration status code V: Valid registration. All codes
N113AC Socata
TB20
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-01-19 ValidFAA registration status code V: Valid registration. All codes
N460PH Maule
M-6-235
Fixed-wing, single engine Individual owner
Alaska
Standard 2026-01-17 ValidFAA registration status code V: Valid registration. All codes
N6892Y Piper
AEROSTAR 602P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2026-01-17 ValidFAA registration status code V: Valid registration. All codes
N12PX Piper
AEROSTAR 601P
Fixed-wing, multi-engine Mvs Air LLC
Kalispell, Montana
Standard 2026-01-16 ValidFAA registration status code V: Valid registration. All codes
N51AH Piper
PA-32R-301
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-01-16 ValidFAA registration status code V: Valid registration. All codes
N544SA Robinson Helicopter
R44 II
Helicopter Black Ops Asphalt LLC
Kingsport, Tennessee
Standard 2026-01-14 ValidFAA registration status code V: Valid registration. All codes
N5901R Johnson Richard W
TEAM ROCKET F1
Fixed-wing, single engine F1 Rocket Aviation LLC
Leander, Texas
Experimental 2026-01-14 ValidFAA registration status code V: Valid registration. All codes
N74435 Robinson Helicopter
R44 II
Helicopter Sutton Aircraft Salvage LLC
Palmer, Alaska
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N149MA Estumkeda Ltd Dba Micco Acft
MAC-145B
Fixed-wing, single engine Oaks Aviation LLC
Clear Lake, Minnesota
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N2177Q Cessna
182T
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N621LP Piper
PA32-301FT
Fixed-wing, single engine M2 Equipment LLC
Lubbock, Texas
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N161RP Piper
PA-32R-301
Fixed-wing, single engine Crucial LLC
Kalispell, Montana
Standard 2026-01-11 ValidFAA registration status code V: Valid registration. All codes
N757P Piper
PA-24-260
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2026-01-11 ValidFAA registration status code V: Valid registration. All codes
N787RS Piper
PA32-301FT
Fixed-wing, single engine Jjd Holdings LLC
Fort Madison, Iowa
Standard 2026-01-11 ValidFAA registration status code V: Valid registration. All codes
N66HE Cessna
182T
Fixed-wing, single engine Individual owner
New York
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N8186D Piper
PA-32R-301
Fixed-wing, single engine Amg Industrial LLC
Ashburn, Georgia
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N495H Hill John R
RV-10
Fixed-wing, single engine Individual owner
Washington
Experimental 2026-01-08 ValidFAA registration status code V: Valid registration. All codes
N86AV Socata
TB-20 TRINIDAD
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2026-01-05 ValidFAA registration status code V: Valid registration. All codes
N415MD Piper
PA-23-250
Fixed-wing, multi-engine Hammychan Industries LLC
Glendale, Arizona
Standard 2026-01-04 ValidFAA registration status code V: Valid registration. All codes
N967WM Socata
TB21
Fixed-wing, single engine Lionheart Enterprise CO LLC
Chino Valley, Arizona
Standard 2026-01-04 ValidFAA registration status code V: Valid registration. All codes
N714HJ Maule
MT-7-235
Fixed-wing, single engine North Georgia Grading INC
Jasper, Georgia
Standard 2025-12-31 ValidFAA registration status code V: Valid registration. All codes
N3050N Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
Texas
Standard 2025-12-30 ValidFAA registration status code V: Valid registration. All codes
N219PD Cessna
182T
Fixed-wing, single engine Wolfair LLC
Lewes, Delaware
Standard 2025-12-28 ValidFAA registration status code V: Valid registration. All codes
N43AL Robinson Helicopter
R44
Helicopter Floyd Air LLC
Searcy, Arkansas
Standard 2025-12-26 ValidFAA registration status code V: Valid registration. All codes
N321GW Cessna
182S
Fixed-wing, single engine 321Gw LLC
Chico, California
Standard 2025-12-25 ValidFAA registration status code V: Valid registration. All codes
N440AK Robinson Helicopter
R44 II
Helicopter Individual owner
New York
Standard 2025-12-25 ValidFAA registration status code V: Valid registration. All codes
N198SA Socata
TB-20 TRINIDAD
Fixed-wing, single engine Abel Air LLC
Dorchester, Massachusetts
Standard 2025-12-23 ValidFAA registration status code V: Valid registration. All codes
N582TC Cessna
182T
Fixed-wing, single engine Break for It Aviation LLC
Draper, Utah
Standard 2025-12-23 ValidFAA registration status code V: Valid registration. All codes
N11H Hoeffel Jan
HOEFFEL SX300
Fixed-wing, single engine Individual owner
Texas
Experimental 2025-12-22 ValidFAA registration status code V: Valid registration. All codes
N825RD Piper
PA-32-300
Fixed-wing, single engine Individual owner
Illinois
Standard 2025-12-20 ValidFAA registration status code V: Valid registration. All codes
N3180G Maule
M-7-235C
Fixed-wing, single engine Individual owner
Colorado
Standard 2025-12-19 ValidFAA registration status code V: Valid registration. All codes
N2146A Cessna
182T
Fixed-wing, single engine Individual owner
Florida
Standard 2025-12-17 ValidFAA registration status code V: Valid registration. All codes
N8347W Piper
PA-32R-301
Fixed-wing, single engine Kirk Kevin J
Pulaski, Pennsylvania
Standard 2025-12-17 ValidFAA registration status code V: Valid registration. All codes
N9176E Maule
M-7-235A
Fixed-wing, single engine Tyrrells Trails LLC
Fairbanks, Alaska
Standard 2025-12-17 ValidFAA registration status code V: Valid registration. All codes
N330LS Panzl Greg
S-330 P
Fixed-wing, single engine Individual owner
Nevada
Experimental 2025-12-16 ValidFAA registration status code V: Valid registration. All codes
N2366Y Cessna
182S
Fixed-wing, single engine Avco Patrol LLC
Lyndon, Kansas
Standard 2025-12-15 ValidFAA registration status code V: Valid registration. All codes
N36588 Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Florida
Standard 2025-12-15 ValidFAA registration status code V: Valid registration. All codes
N93DE Sutton R C/Sutton F E
WHEELER EXPRESS
Fixed-wing, single engine Core Peak Consulting LLC
Moorcroft, Wyoming
Experimental 2025-12-15 ValidFAA registration status code V: Valid registration. All codes
N37GG Cessna
182S
Fixed-wing, single engine Avco Patrol LLC
Lyndon, Kansas
Standard 2025-12-14 ValidFAA registration status code V: Valid registration. All codes
N415RC Cessna
182S
Fixed-wing, single engine Avco Patrol LLC
Lyndon, Kansas
Standard 2025-12-14 ValidFAA registration status code V: Valid registration. All codes
N989RA Cessna
182S
Fixed-wing, single engine Avco Patrol LLC
Lyndon, Kansas
Standard 2025-12-14 ValidFAA registration status code V: Valid registration. All codes
N372ME Cessna
206H
Fixed-wing, single engine Aircraft Partner Holdings INC Trustee
Berlin,
Standard 2025-12-10 ValidFAA registration status code V: Valid registration. All codes
N31589 Piper
PA-32-300
Fixed-wing, single engine Redemption Leasing LLC
Kodiak, Alaska
Standard 2025-12-08 ValidFAA registration status code V: Valid registration. All codes
N56622 Maule
MX-7-235
Fixed-wing, single engine Parts and Sparks LLC
Bunnell, Florida
Standard 2025-12-06 ValidFAA registration status code V: Valid registration. All codes
N1014B Clark Joseph C
VANS RV-10
Fixed-wing, single engine Individual owner
Pennsylvania
Experimental 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N2449T Cessna
182T
Fixed-wing, single engine Elevation Club Air LLC
Hunting Valley, Ohio
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N30731 Piper
PA-32RT-300
Fixed-wing, single engine Copper Roof Aviation LLC
Newark, Delaware
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N540WS Zivko Aeronautics Inc
EDGE 540
Fixed-wing, single engine Individual owner
Virginia
Experimental 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N863DC Robinson Helicopter
R44 II
Helicopter Individual owner
Arizona
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N65217 Cessna
182T
Fixed-wing, single engine 1434 Jpl LLC
Wilmington, Delaware
Standard 2025-12-04 ValidFAA registration status code V: Valid registration. All codes
N83922 Piper
PA-32-301
Fixed-wing, single engine Archipelago Immobilien LLC
Jacksonville Beach, Florida
Standard 2025-12-04 ValidFAA registration status code V: Valid registration. All codes
N262GC Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-12-03 ValidFAA registration status code V: Valid registration. All codes
N31TV Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Florida
Standard 2025-12-03 ValidFAA registration status code V: Valid registration. All codes
N9202Q Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Minnesota
Standard 2025-12-03 ValidFAA registration status code V: Valid registration. All codes
N771LP Honeycutt Theron O
EXPRESS-FT
Fixed-wing, single engine Individual owner
Texas
Experimental 2025-12-02 ValidFAA registration status code V: Valid registration. All codes
N746TC Cessna
182T
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2025-12-01 ValidFAA registration status code V: Valid registration. All codes
N4RG Cessna
182T
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-11-30 ValidFAA registration status code V: Valid registration. All codes
N777SK Piper
PA-32R-300
Fixed-wing, single engine Dj Internet Commerce LLC
Crowley, Louisiana
Standard 2025-11-28 ValidFAA registration status code V: Valid registration. All codes
N6162Z Cessna
182T
Fixed-wing, single engine Holloman Afb Aero Club
Holloman Afb, New Mexico
Standard 2025-11-25 ValidFAA registration status code V: Valid registration. All codes
N74SX Sutherland R D
SWEARINGEN SX300
Fixed-wing, single engine Cajun Capital Holdings LLC
Fayetteville, Arkansas
Experimental 2025-11-25 ValidFAA registration status code V: Valid registration. All codes
N469D Piper
PA-32R-300
Fixed-wing, single engine Luxury Aviation LLC
Butler, Pennsylvania
Standard 2025-11-24 ValidFAA registration status code V: Valid registration. All codes
N142JG Evans Eugene Benson
RV-4
Fixed-wing, single engine Withheld at owner's request
Experimental 2025-11-23 ValidFAA registration status code V: Valid registration. All codes
N415L Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-11-22 ValidFAA registration status code V: Valid registration. All codes
N9273V Piper
PA-32R-301
Fixed-wing, single engine Lfc Solutions LLC
San Antonio, Texas
Standard 2025-11-22 ValidFAA registration status code V: Valid registration. All codes
N245MC Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-21 ValidFAA registration status code V: Valid registration. All codes
N2434Y Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N369ME Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N4296N Piper
PA-32-301
Fixed-wing, single engine Individual owner
Minnesota
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N631AF Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N7276Z Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N81936 Piper
PA-32R-301
Fixed-wing, single engine Withheld at owner's request
Standard 2025-11-20 ValidFAA registration status code V: Valid registration. All codes
N110XP Bolin Thomas E
VANS RV-10
Fixed-wing, single engine Individual owner
Illinois
Experimental 2025-11-19 ValidFAA registration status code V: Valid registration. All codes
N181SA Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-19 ValidFAA registration status code V: Valid registration. All codes
N704AV Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-19 ValidFAA registration status code V: Valid registration. All codes
N565SA Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N3518B Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-17 ValidFAA registration status code V: Valid registration. All codes
N377EB Cessna
206H
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-11-17 ValidFAA registration status code V: Valid registration. All codes
N451BA Cessna
182T
Fixed-wing, single engine 1928 LLC
Salmon, Idaho
Standard 2025-11-13 ValidFAA registration status code V: Valid registration. All codes
N757HR Webber Jim
HARMON ROCKET II
Fixed-wing, single engine Individual owner
California
Experimental 2025-11-13 ValidFAA registration status code V: Valid registration. All codes
N129WM Robinson Helicopter
R44 II
Helicopter Sky Solutions LLC
Detroit, Michigan
Standard 2025-11-11 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.