The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 9, 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.

When the aircraft were built by decade

By decade built, as a table
aircraft
19402
195013
196096
1970797
1980579
1990748
20001,339
201078
202056

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

The design is held under 1 type certificate (1E4, held by Lycoming Engines). The FAA has issued 49 airworthiness directives (orders that owners must comply with) that name 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.

FAA orders 49 airworthiness directives · newest first

2026-09-142026-17-10 · Reciprocating Engine Cylinder Section · engine
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

All orders naming the Lycoming IO-540 series

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

012253850950005101523226
Failure reports by year, as a table
reports
953
963
973
984
994
0011
0137
0215
0337
0434
0550
0630
0719
0812
093
1012
112
127
135
146
152
171
194
202
222
231
245
262

Parts most often reported as the reports name them

Magneto19Cylinder10Bearing8Gasket8Bolt7Boot7Actuator6Line6Pump6Baffle5
Parts most reported, as a table
reports
Magneto19
Cylinder10
Bearing8
Gasket8
Bolt7
Boot7
Actuator6
Line6
Pump6
Baffle5

Latest reports

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

Certificates and bulletins

1E4Type certificate held by Lycoming Engines · 81 models listed · revised February 28, 2018

Safety bulletins 14 · 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
2012-11-21NE-13-06 · Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320,...
2011-03-31NE-08-26R3 · Magneto/Distributor

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-io-540-series.json.

Aircraft newest certificates first · 4,218

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N262MJ Staudacher Aircraft Inc
S 300 E
Fixed-wing, single engine Co-owned owner
Illinois
Experimental 2001-11-30 ValidFAA registration status code V: Valid registration. All codes
N8393A Piper
PA-32R-301
Fixed-wing, single engine Myhre Real Estate Management INC
Rochester, New Hampshire
Standard 2001-11-26 ValidFAA registration status code V: Valid registration. All codes
N8847P Piper
PA-24-260
Fixed-wing, single engine South Texas Weather Modification Association
Pleasanton, Texas
Restricted 2001-11-16 ValidFAA registration status code V: Valid registration. All codes
N24429 Cessna
182S
Fixed-wing, single engine Individual owner
California
Standard 2001-11-06 ValidFAA registration status code V: Valid registration. All codes
N432DR Piper
PA-32R-301
Fixed-wing, single engine Jazz Air LLC
Melbourne, Florida
Standard 2001-10-29 ValidFAA registration status code V: Valid registration. All codes
N435TA Cessna
182T
Fixed-wing, single engine Panther Med LLC
Derby, Kansas
Standard 2001-10-25 ValidFAA registration status code V: Valid registration. All codes
N1025N Maule
M-7-235B
Fixed-wing, single engine Good Aviation LLC
Oshkosh, Wisconsin
Standard 2001-10-19 ValidFAA registration status code V: Valid registration. All codes
N444VB Cessna
182T
Fixed-wing, single engine Individual owner
Virginia
Standard 2001-10-17 ValidFAA registration status code V: Valid registration. All codes
N2722F Cessna
182S
Fixed-wing, single engine Individual owner
Indiana
Standard 2001-10-16 ValidFAA registration status code V: Valid registration. All codes
N60963 Commander Aircraft Co
114-B
Fixed-wing, single engine Ncommand LLC
Carencro, Louisiana
Standard 2001-10-10 ValidFAA registration status code V: Valid registration. All codes
N30007 Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2001-10-09 ValidFAA registration status code V: Valid registration. All codes
N92303 Piper
PA-32R-301
Fixed-wing, single engine Herman M Flink INC
Mount Dora, Florida
Standard 2001-10-02 ValidFAA registration status code V: Valid registration. All codes
N35718 Piper
PA-32R-301
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2001-09-24 ValidFAA registration status code V: Valid registration. All codes
N92GL Powell Lyle S Jr
GLASAIR III
Fixed-wing, single engine Individual owner
Texas
Experimental 2001-09-18 ValidFAA registration status code V: Valid registration. All codes
N305RC Cessna
182T
Fixed-wing, single engine Washington State Patrol
Olympia, Washington
Standard 2001-09-04 ValidFAA registration status code V: Valid registration. All codes
N9175G Piper
PA-32-301
Fixed-wing, single engine Repelatron Skyway LLC
Wilmington, Delaware
Standard 2001-08-30 ValidFAA registration status code V: Valid registration. All codes
N207GA Beck Theodore P
GLASAIR SH III
Fixed-wing, single engine Individual owner
New Hampshire
Experimental 2001-08-27 ValidFAA registration status code V: Valid registration. All codes
N715HP Cessna
182S
Fixed-wing, single engine Ohio Department of Public Safety
Columbus, Ohio
Standard 2001-08-20 ValidFAA registration status code V: Valid registration. All codes
N910HP Cessna
182T
Fixed-wing, single engine State of Ohio
Columbus, Ohio
Standard 2001-08-20 ValidFAA registration status code V: Valid registration. All codes
N81774 Piper
PA-32-301
Fixed-wing, single engine PC Limited LLC
N Dighton, Massachusetts
Standard 2001-08-17 ValidFAA registration status code V: Valid registration. All codes
N365ME Cessna
182S
Fixed-wing, single engine Individual owner
California
Standard 2001-08-15 ValidFAA registration status code V: Valid registration. All codes
N696W Winnick Richard E
TEAM ROCKET F1
Fixed-wing, single engine Individual owner
Colorado
Experimental 2001-08-10 ValidFAA registration status code V: Valid registration. All codes
N31396 Piper
PA-32-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 2001-07-27 ValidFAA registration status code V: Valid registration. All codes
N98431 Packwood David
EXPRESS
Fixed-wing, single engine Individual owner
Missouri
Experimental 2001-07-24 ValidFAA registration status code V: Valid registration. All codes
N313MA Cessna
182S
Fixed-wing, single engine Individual owner
New Jersey
Standard 2001-05-24 ValidFAA registration status code V: Valid registration. All codes
N124L Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Individual owner
Nevada
Standard 2001-05-09 ValidFAA registration status code V: Valid registration. All codes
N94MP Cessna
182S
Fixed-wing, single engine Missouri State Highway Patrol
Jefferson City, Missouri
Standard 2001-04-26 ValidFAA registration status code V: Valid registration. All codes
N2809E Socata
TB-20 TRINIDAD
Fixed-wing, single engine North Marin Air LLC
Petaluma, California
Standard 2001-04-18 ValidFAA registration status code V: Valid registration. All codes
N43PB Broen Peter C
GLASAIR III
Fixed-wing, single engine Individual owner
California
Experimental 2001-04-12 ValidFAA registration status code V: Valid registration. All codes
N412NR Vnat Inc
XLRG
Fixed-wing, single engine Vnat INC
Orlando, Florida
Experimental 2001-03-22 ValidFAA registration status code V: Valid registration. All codes
N8439E Piper
PA-32R-301
Fixed-wing, single engine Individual owner
West Virginia
Standard 2001-03-15 ValidFAA registration status code V: Valid registration. All codes
N72US Cessna
182S
Fixed-wing, single engine United States Aviation Underwriters INC
Toledo, Ohio
Standard 2001-03-14 ValidFAA registration status code V: Valid registration. All codes
N82EB Piper
PA-32RT-300
Fixed-wing, single engine Co-owned owner
California
Standard 2001-03-13 ValidFAA registration status code V: Valid registration. All codes
N31700 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Ohio
Standard 2001-03-03 ValidFAA registration status code V: Valid registration. All codes
N702TB Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
California
Standard 2001-03-01 ValidFAA registration status code V: Valid registration. All codes
N920NC Cessna
182S
Fixed-wing, single engine State of North Carolina
Raleigh, North Carolina
Standard 2001-02-28 ValidFAA registration status code V: Valid registration. All codes
N2433E Cessna
206H
Fixed-wing, single engine Elco Electric
Bangor, Maine
Standard 2001-02-13 ValidFAA registration status code V: Valid registration. All codes
N2439C Cessna
206H
Fixed-wing, single engine 206 Aircraft Leasing CO INC
Marathon, Florida
Standard 2001-02-01 ValidFAA registration status code V: Valid registration. All codes
N195GM Moman Guy E Jr
GLASAIR III
Fixed-wing, single engine Individual owner
Maryland
Experimental 2001-01-31 ValidFAA registration status code V: Valid registration. All codes
N525LL Lenz James L
GLASAIR III
Fixed-wing, single engine Glasair III Investors LLC
Middleton, Wisconsin
Experimental 2001-01-25 ValidFAA registration status code V: Valid registration. All codes
N82LA Cessna
182S
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2001-01-19 ValidFAA registration status code V: Valid registration. All codes
N103SJ Cessna
206H
Fixed-wing, single engine Barnick Air Holdings LLC
Santa Barbara, California
Standard 2000-12-22 ValidFAA registration status code V: Valid registration. All codes
N390ME Cessna
182S
Fixed-wing, single engine Individual owner
California
Standard 2000-12-19 ValidFAA registration status code V: Valid registration. All codes
N789TC Cessna
182S
Fixed-wing, single engine Madden Contracting CO INC
Minden, Louisiana
Standard 2000-12-06 ValidFAA registration status code V: Valid registration. All codes
N8217Z Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2000-11-30 ValidFAA registration status code V: Valid registration. All codes
N988TC Cessna
182S
Fixed-wing, single engine Individual owner
Texas
Standard 2000-11-21 ValidFAA registration status code V: Valid registration. All codes
N750X Osborne
SA 750
Fixed-wing, single engine Individual owner
Florida
Experimental 2000-11-09 ValidFAA registration status code V: Valid registration. All codes
N4233C Rundell Lanny
GLASAIR III
Fixed-wing, single engine Co-owned owner
Wisconsin
Experimental 2000-11-03 ValidFAA registration status code V: Valid registration. All codes
N926WB Cessna
182S
Fixed-wing, single engine Individual owner
Virginia
Standard 2000-10-16 ValidFAA registration status code V: Valid registration. All codes
N8213Z Piper
PA-32-301
Fixed-wing, single engine One Three Zulu INC
Marble Falls, Texas
Standard 2000-10-11 ValidFAA registration status code V: Valid registration. All codes
N47593 Piper
PA-32-300
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2000-10-04 ValidFAA registration status code V: Valid registration. All codes
N59GR Piper
PA-32-301
Fixed-wing, single engine Individual owner
Michigan
Standard 2000-10-03 ValidFAA registration status code V: Valid registration. All codes
N7125D Maule
M-5-235C
Fixed-wing, single engine Warrior Creek Adventures LLC
Moultrie, Georgia
Standard 2000-10-03 ValidFAA registration status code V: Valid registration. All codes
N35CW Piper
PA-32-300
Fixed-wing, single engine Individual owner
Maine
Standard 2000-09-20 ValidFAA registration status code V: Valid registration. All codes
N724X Guerra Ricardo Jr
VELOCITY XL RG
Fixed-wing, single engine Individual owner
Texas
Experimental 2000-09-13 ValidFAA registration status code V: Valid registration. All codes
N881SP Cessna
182S
Fixed-wing, single engine Illinois State Police
Springfield, Illinois
Standard 2000-08-31 ValidFAA registration status code V: Valid registration. All codes
N38996 Piper
PA-32-300
Fixed-wing, single engine Cherokee Kling LLC
Monroe, Connecticut
Standard 2000-08-30 ValidFAA registration status code V: Valid registration. All codes
N265ME Cessna
182S
Fixed-wing, single engine Sunset Leasing INC
Sarasota, Florida
Standard 2000-08-29 ValidFAA registration status code V: Valid registration. All codes
N20FK Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
Delaware
Standard 2000-08-01 ValidFAA registration status code V: Valid registration. All codes
N8398P Piper
PA-24-250
Fixed-wing, single engine Individual owner
New Mexico
Standard 2000-07-26 ValidFAA registration status code V: Valid registration. All codes
N5648M Maule
M-6-235
Fixed-wing, single engine Co-owned owner
Alaska
Standard 2000-07-14 ValidFAA registration status code V: Valid registration. All codes
N999GM Rockwell International
114
Fixed-wing, single engine Individual owner
Kentucky
Standard 2000-07-03 ValidFAA registration status code V: Valid registration. All codes
N8246H Callair
A-9
Fixed-wing, single engine Lake Elsinore Soaring Club
Wildomar, California
Restricted 2000-06-22 ValidFAA registration status code V: Valid registration. All codes
N3051U Piper
PA-32-300
Fixed-wing, single engine Individual owner
Texas
Standard 2000-06-12 ValidFAA registration status code V: Valid registration. All codes
N125MD Cessna
206H
Fixed-wing, single engine Maryland Aviation Administration
Bwi Airport, Maryland
Standard 2000-05-25 ValidFAA registration status code V: Valid registration. All codes
N3334P Piper
PA-32-300
Fixed-wing, single engine M & M Aero LLC
Wilmington, Delaware
Standard 2000-05-15 ValidFAA registration status code V: Valid registration. All codes
N350G Hilbe James D
SWEARINGEN SX-300
Fixed-wing, single engine Individual owner
Mississippi
Experimental 2000-04-14 ValidFAA registration status code V: Valid registration. All codes
N971SP Cessna
182S
Fixed-wing, single engine Illinois State Police
Springfield, Illinois
Standard 2000-04-10 ValidFAA registration status code V: Valid registration. All codes
N4196G Cessna
182S
Fixed-wing, single engine Individual owner
California
Standard 2000-03-22 ValidFAA registration status code V: Valid registration. All codes
N182JS Cessna
182S
Fixed-wing, single engine John W Spurlock MD LTD
Bethlehem, Pennsylvania
Standard 2000-02-11 ValidFAA registration status code V: Valid registration. All codes
N8374T Piper
PA-32-301
Fixed-wing, single engine Co-owned owner
Alaska
Standard 2000-02-11 ValidFAA registration status code V: Valid registration. All codes
N32GL Rockwell International
500-S
Fixed-wing, multi-engine G e Air INC
Broussard, Louisiana
Standard 2000-02-10 ValidFAA registration status code V: Valid registration. All codes
N2947E Piper
PA-32-300
Fixed-wing, single engine Slipstream INC
Saint Petersburg, Florida
Standard 2000-01-15 ValidFAA registration status code V: Valid registration. All codes
N103NC Cessna
182S
Fixed-wing, single engine State of North Carolina
Raleigh, North Carolina
Standard 2000-01-07 ValidFAA registration status code V: Valid registration. All codes
N7111W Cessna
182S
Fixed-wing, single engine Better Living Aviation INC
Wilmington, Delaware
Standard 2000-01-04 ValidFAA registration status code V: Valid registration. All codes
N90TB Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
Florida
Standard 1999-12-16 ValidFAA registration status code V: Valid registration. All codes
N366MA Cessna
182S
Fixed-wing, single engine Tew Services CORP
Wilmington, Delaware
Standard 1999-12-15 ValidFAA registration status code V: Valid registration. All codes
N549BC Cessna
206H
Fixed-wing, single engine Individual owner
Standard 1999-11-23 Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes
N7XF Moore Alva L
GLASAIR III
Fixed-wing, single engine T-Worthy INC
Grand Haven, Michigan
Experimental 1999-11-23 ValidFAA registration status code V: Valid registration. All codes
N7282L Cessna
182S
Fixed-wing, single engine Individual owner
Wisconsin
Standard 1999-11-18 ValidFAA registration status code V: Valid registration. All codes
N214R Piper
PA-32R-300
Fixed-wing, single engine Individual owner
Florida
Standard 1999-11-10 ValidFAA registration status code V: Valid registration. All codes
N724BM Piper
PA-24-260
Fixed-wing, single engine Individual owner
New York
Standard 1999-11-05 ValidFAA registration status code V: Valid registration. All codes
N356VA Piper
PA-32-301
Fixed-wing, single engine Victory Aviation Club INC
Hamilton, Ohio
Standard 1999-11-04 ValidFAA registration status code V: Valid registration. All codes
N114PM Commander Aircraft Co
114-B
Fixed-wing, single engine Sundance Aviation
Morganton, North Carolina
Standard 1999-10-22 ValidFAA registration status code V: Valid registration. All codes
N49PK Piper
PA 46-350P
Fixed-wing, single engine Malibu Associates INC
Frederick, Maryland
Standard 1999-09-28 ValidFAA registration status code V: Valid registration. All codes
N26616 Cessna
182S
Fixed-wing, single engine Sea Wing LLC
Camarillo, California
Standard 1999-09-15 ValidFAA registration status code V: Valid registration. All codes
N36730 Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
Texas
Standard 1999-09-10 ValidFAA registration status code V: Valid registration. All codes
N90KK Kraska Kenneth W
REBEL 2300
Fixed-wing, single engine Individual owner
Pennsylvania
Experimental 1999-09-08 ValidFAA registration status code V: Valid registration. All codes
N9544Q Cessna
182S
Fixed-wing, single engine Photo Services Unlimited
Augusta, Maine
Standard 1999-08-30 ValidFAA registration status code V: Valid registration. All codes
N301KA Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Michigan
Standard 1999-08-24 ValidFAA registration status code V: Valid registration. All codes
N415LE Cessna
206H
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 1999-08-23 ValidFAA registration status code V: Valid registration. All codes
N6561B Britten-Norman
BN-2A-20
Fixed-wing, multi-engine Spirit Air INC
Salmon, Idaho
Standard 1999-08-18 ValidFAA registration status code V: Valid registration. All codes
N600CJ Piper
PA-32RT-300
Fixed-wing, single engine Poly Plastics INC
Owatonna, Minnesota
Standard 1999-08-17 ValidFAA registration status code V: Valid registration. All codes
N9542C Piper
PA-32RT-300
Fixed-wing, single engine Individual owner
New Jersey
Standard 1999-07-30 ValidFAA registration status code V: Valid registration. All codes
N338NA Smith
AEROSTAR 600
Fixed-wing, multi-engine Co-owned owner
New Jersey
Standard 1999-07-28 ValidFAA registration status code V: Valid registration. All codes
N720SH Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Maryland
Standard 1999-07-14 ValidFAA registration status code V: Valid registration. All codes
N711EE Piper
PA-24-260
Fixed-wing, single engine Individual owner
Texas
Standard 1999-06-30 ValidFAA registration status code V: Valid registration. All codes
N4195R Cessna
182S
Fixed-wing, single engine Plain LLC
Traverse City, Michigan
Standard 1999-06-17 ValidFAA registration status code V: Valid registration. All codes
N2093B Cessna
182S
Fixed-wing, single engine Textron Aviation INC
Wichita, Kansas
Experimental 1999-06-12 ValidFAA registration status code V: Valid registration. All codes
N561FS Gummo Thomas L
GUMMO SPECIAL
Fixed-wing, single engine Individual owner
California
Experimental 1999-06-11 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.