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

Continental IO-550 series

3,077 aircraft on the U.S. register carry a Continental IO-550 series engine, rated at about 300 horsepower. The Cirrus SR22 is the model most often fitted with it (1,265 aircraft). The aircraft carrying it were built between 1968 and 2025.

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 Continental IO-550 series. FAA spelling: IO-550 SERIES.

Fitted to model families

Cirrus SR221,265Beechcraft A36 Bonanza724Mooney M-20366Beechcraft 58 Baron274Lancair Company LC4265Lancair Company LC-4058Cessna A185 Skywagon26Cessna U206 Stationair22Beechcraft F33 Bonanza15Beechcraft V35 Bonanza13Beechcraft A4510Beechcraft G36 Bonanza8

Cirrus SR22 · Beechcraft A36 Bonanza · Mooney M-20 · Beechcraft 58 Baron · Lancair Company LC42 · Lancair Company LC-40 · Cessna A185 Skywagon · Cessna U206 Stationair · Beechcraft F33 Bonanza · Beechcraft V35 Bonanza

Where they are owner's state

Texas278California248Florida237Delaware152North Carolina119Georgia107Tennessee82Arizona81Oklahoma78Ohio75

Kind of aircraft

Piston singles2,785 (91%)Piston twins282 (9%)Turboprops10 (0.3%)

When the aircraft were built by decade

04328651,2981,7301940195019601970198019902000201092020

What the FAA has certified, ordered and been told about the Continental IO-550 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 239 failure reports with the FAA since 1995, 16 of them in the last ten years.

Failure reports 239 since · what operators and shops told the FAA

08172634950106111825126

Parts most often reported as the reports name them

Cylinder10Alternator6Bulkhead6Motor6Pump6Wire6Bearing5Bracket5Brake Disc5Oil Cooler5

Latest reports

2026-01-26Pump: faulted
2025-02-17Piston: failed
2023-12-30Engine: power loss
2022-09-29Bearing: failed
2022-09-29Bearing: 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/continental-io-550-series.json · about the eFlight graph.

Aircraft newest certificates first · 3,077

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N139R Beech
V35B
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2026-04-29 ValidFAA registration status code V: Valid registration. All codes
N4654M Mooney
M20R
Fixed-wing, single engine Jetway LLC
Dover, Delaware
Standard 2026-04-28 ValidFAA registration status code V: Valid registration. All codes
N316CD Cirrus Design Corp
SR22
Fixed-wing, single engine Central Virginia Aviation INC
North Dinwiddie, Virginia
Standard 2026-04-27 ValidFAA registration status code V: Valid registration. All codes
N920LG Beech
A36
Fixed-wing, single engine Smart Motion Advisory Group LLC
Frisco, Texas
Standard 2026-04-27 ValidFAA registration status code V: Valid registration. All codes
N6508F Lancair Company
LC42-550FG
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2026-04-26 ValidFAA registration status code V: Valid registration. All codes
N4104T Raytheon Aircraft Company
A36
Fixed-wing, single engine 4A Legacy Enterprises LLC
Mcallen, Texas
Standard 2026-04-24 ValidFAA registration status code V: Valid registration. All codes
N845P Cirrus Design Corp
SR22
Fixed-wing, single engine Delta Tango Aviation LLC
Wilmington, Delaware
Standard 2026-04-24 ValidFAA registration status code V: Valid registration. All codes
N152TC Cirrus Design Corp
SR22
Fixed-wing, single engine Jeckair LLC
Soddy Daisy, Tennessee
Standard 2026-04-23 ValidFAA registration status code V: Valid registration. All codes
N625VS Cirrus Design Corp
SR22
Fixed-wing, single engine Heritage Airplane One LLC
Tullahoma, Tennessee
Standard 2026-04-22 ValidFAA registration status code V: Valid registration. All codes
N411HZ Cirrus Design Corp
SR22
Fixed-wing, single engine Cedar Dix LLC
Lancaster, Kentucky
Standard 2026-04-16 ValidFAA registration status code V: Valid registration. All codes
N1066H Beech
58
Fixed-wing, multi-engine Baronhfl LLC
Jacksonville, Florida
Standard 2026-04-15 ValidFAA registration status code V: Valid registration. All codes
N81FG Beech
A36
Fixed-wing, single engine Individual owner
Illinois
Standard 2026-04-14 ValidFAA registration status code V: Valid registration. All codes
N671T Nicholson Mark
SERIES 2000
Fixed-wing, single engine Spartin Investments LLC
Gallup, New Mexico
Experimental 2026-04-13 ValidFAA registration status code V: Valid registration. All codes
N21530 Mooney Aircraft Corp.
M20S
Fixed-wing, single engine Individual owner
North Carolina
Standard 2026-04-11 ValidFAA registration status code V: Valid registration. All codes
N3236T Beech
A36
Fixed-wing, single engine Hg Aviation LLC
Helena, Montana
Standard 2026-04-10 ValidFAA registration status code V: Valid registration. All codes
N8FM Raytheon Aircraft Company
A36
Fixed-wing, single engine Sky Dawg LLC
Winterville, North Carolina
Standard 2026-04-05 ValidFAA registration status code V: Valid registration. All codes
N987TT Beech
A36
Fixed-wing, single engine Co-owned owner
Texas
Standard 2026-04-04 ValidFAA registration status code V: Valid registration. All codes
N925KD Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2026-04-03 ValidFAA registration status code V: Valid registration. All codes
N1256 Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2026-04-02 ValidFAA registration status code V: Valid registration. All codes
N6503C Lancair Company
LC42-550FG
Fixed-wing, single engine Individual owner
Tennessee
Standard 2026-04-02 ValidFAA registration status code V: Valid registration. All codes
N148SW Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Tennessee
Standard 2026-04-01 ValidFAA registration status code V: Valid registration. All codes
N332CD Cirrus Design Corp
SR22
Fixed-wing, single engine Duggar Aviation LLC
Springdale, Arkansas
Standard 2026-04-01 ValidFAA registration status code V: Valid registration. All codes
N71BF Mooney
M20R
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2026-03-30 ValidFAA registration status code V: Valid registration. All codes
N812JC Beech
58
Fixed-wing, multi-engine Lfgsgb LLC
Greenville, South Carolina
Standard 2026-03-30 ValidFAA registration status code V: Valid registration. All codes
N1549K Beech
A36
Fixed-wing, single engine Tallevast LLC
Sarasota, Florida
Standard 2026-03-28 ValidFAA registration status code V: Valid registration. All codes
N3196W Raytheon Aircraft Company
58
Fixed-wing, multi-engine Ts Aviation LLC
Sioux Falls, South Dakota
Standard 2026-03-27 ValidFAA registration status code V: Valid registration. All codes
N71AZ Cook Ron
LANCAIR ES
Fixed-wing, single engine Holsinger Law LLC
Denver, Colorado
Experimental 2026-03-26 ValidFAA registration status code V: Valid registration. All codes
N2348Q Raytheon Aircraft Company
58
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2026-03-25 ValidFAA registration status code V: Valid registration. All codes
N265JP Cirrus Design Corp
SR22
Fixed-wing, single engine N265Jp LLC
Mill Valley, California
Standard 2026-03-24 ValidFAA registration status code V: Valid registration. All codes
N444PG Raytheon Aircraft Company
A36
Fixed-wing, single engine N444Pg Aviation LLC
Charleston, South Carolina
Standard 2026-03-24 ValidFAA registration status code V: Valid registration. All codes
N7822M Cirrus Design Corp
SR22
Fixed-wing, single engine Aero Rocket LLC
Las Vegas, Nevada
Standard 2026-03-23 ValidFAA registration status code V: Valid registration. All codes
N22GH Raytheon Aircraft Company
G36
Fixed-wing, single engine Individual owner
Maryland
Standard 2026-03-22 ValidFAA registration status code V: Valid registration. All codes
N80HW Mooney
M20R
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-03-20 ValidFAA registration status code V: Valid registration. All codes
N249SA Mooney
M20R
Fixed-wing, single engine Individual owner
Texas
Standard 2026-03-15 ValidFAA registration status code V: Valid registration. All codes
N527CD Cirrus Design Corp
SR22
Fixed-wing, single engine Aircraft Medical Solution LLC
Kissimmee, Florida
Standard 2026-03-11 ValidFAA registration status code V: Valid registration. All codes
N99TD Beech
58
Fixed-wing, multi-engine Aviation Trust Company LLC Trustee
Oklahoma City, Oklahoma
Standard 2026-03-10 ValidFAA registration status code V: Valid registration. All codes
N248G Cirrus Design Corp
SR22
Fixed-wing, single engine Follett Enterprises LLC
Vlg of Lakewd, Illinois
Standard 2026-03-09 ValidFAA registration status code V: Valid registration. All codes
N602ES Wright Family Partnership 3
LANCAIR IV
Fixed-wing, single engine 4Flight LLC
Phoenix, Arizona
Experimental 2026-03-09 ValidFAA registration status code V: Valid registration. All codes
N366DM Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Washington
Standard 2026-03-08 ValidFAA registration status code V: Valid registration. All codes
N556L Cirrus Design Corp
SR22
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-03-05 ValidFAA registration status code V: Valid registration. All codes
N532JT Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Georgia
Standard 2026-03-04 ValidFAA registration status code V: Valid registration. All codes
N8163R Cirrus Design Corp
SR22
Fixed-wing, single engine Foothills Insurance Services LLC
Marion, North Carolina
Standard 2026-03-04 ValidFAA registration status code V: Valid registration. All codes
N21LZ Cirrus Design Corp
SR22
Fixed-wing, single engine Krishna Group INC
Oklahoma City, Oklahoma
Standard 2026-03-02 ValidFAA registration status code V: Valid registration. All codes
N557CA Cirrus Design Corp
SR22
Fixed-wing, single engine Cci Air LLC
Dell Rapids, South Dakota
Standard 2026-03-02 ValidFAA registration status code V: Valid registration. All codes
N987KC Beech
A36
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2026-03-02 ValidFAA registration status code V: Valid registration. All codes
N555MG Beech
A36
Fixed-wing, single engine Hampshire Blue Skies LLC
Bedford, New Hampshire
Standard 2026-03-01 ValidFAA registration status code V: Valid registration. All codes
N411VT Cirrus Design Corp
SR22
Fixed-wing, single engine Fletcher Holdings of Nc LLC
Winston Salem, North Carolina
Standard 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N917DM Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2026-02-26 ValidFAA registration status code V: Valid registration. All codes
N478C Cirrus Design Corp
SR22
Fixed-wing, single engine Kenmore Crew Leasing INC Trustee
Bellingham, Washington
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N707DK Beechcraft Corp
G58
Fixed-wing, multi-engine Sunshine Peak LLC
Saint Louis, Missouri
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N8111M Beech
58
Fixed-wing, multi-engine Dcf30 CORP
Doral, Florida
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N10045 Mooney
M20R
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-24 ValidFAA registration status code V: Valid registration. All codes
N1054C Mooney
M20R
Fixed-wing, single engine Co-owned owner
Maryland
Standard 2026-02-23 ValidFAA registration status code V: Valid registration. All codes
N10MC Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-23 ValidFAA registration status code V: Valid registration. All codes
N800DD Mooney
M20R
Fixed-wing, single engine 2826 LLC
Inola, Oklahoma
Standard 2026-02-23 ValidFAA registration status code V: Valid registration. All codes
N133AW Alvin B Willis
LANCAIR LEGACY
Fixed-wing, single engine Flight Time 2 LLC
Shallotte, North Carolina
Experimental 2026-02-22 ValidFAA registration status code V: Valid registration. All codes
N31121 Beech
A36
Fixed-wing, single engine Full Flaps 2 LLC
Peachtree City, Georgia
Standard 2026-02-20 ValidFAA registration status code V: Valid registration. All codes
N475RB Mooney
M20R
Fixed-wing, single engine N475Rb LLC
Lexington, Kentucky
Standard 2026-02-20 ValidFAA registration status code V: Valid registration. All codes
N642CD Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-20 ValidFAA registration status code V: Valid registration. All codes
N128WS Raytheon Aircraft Company
58
Fixed-wing, multi-engine Skyway Air Taxi LLC
Manassas, Virginia
Standard 2026-02-19 ValidFAA registration status code V: Valid registration. All codes
N378FJ Lancair Company
LC-40-550FG
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-19 ValidFAA registration status code V: Valid registration. All codes
N435CD Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-19 ValidFAA registration status code V: Valid registration. All codes
N777PS Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-19 ValidFAA registration status code V: Valid registration. All codes
N1026A Mooney
M20R
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-17 ValidFAA registration status code V: Valid registration. All codes
N116BD Raytheon Aircraft Company
A36
Fixed-wing, single engine Txbd Investments LLC
Addison, Texas
Standard 2026-02-16 ValidFAA registration status code V: Valid registration. All codes
N1570C Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2026-02-16 ValidFAA registration status code V: Valid registration. All codes
N46HD Lancair Company
LC42-550FG
Fixed-wing, single engine Individual owner
North Dakota
Standard 2026-02-16 ValidFAA registration status code V: Valid registration. All codes
N1468C Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Wyoming
Standard 2026-02-15 ValidFAA registration status code V: Valid registration. All codes
N795AM Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
North Carolina
Standard 2026-02-15 ValidFAA registration status code V: Valid registration. All codes
N327G Beech
A36
Fixed-wing, single engine Skysix Aircraft Management LLC
Saginaw, Michigan
Standard 2026-02-14 ValidFAA registration status code V: Valid registration. All codes
N48KL Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
South Carolina
Standard 2026-02-13 ValidFAA registration status code V: Valid registration. All codes
N562CD Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Washington
Standard 2026-02-13 ValidFAA registration status code V: Valid registration. All codes
N678CD Cirrus Design Corp
SR22
Fixed-wing, single engine Frogman Flight Ops LLC
Wilmington, Delaware
Standard 2026-02-10 ValidFAA registration status code V: Valid registration. All codes
N320RR Cirrus Design Corp
SR22
Fixed-wing, single engine Highway Aero LLC
Bristow, Virginia
Standard 2026-02-08 ValidFAA registration status code V: Valid registration. All codes
N327DT Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Arizona
Standard 2026-02-07 ValidFAA registration status code V: Valid registration. All codes
N27VP Cessna
182R
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-06 ValidFAA registration status code V: Valid registration. All codes
N516CR Cirrus Design Corp
SR22
Fixed-wing, single engine 516 Ontario Capital Holdings LLC
Hartland, Wisconsin
Standard 2026-02-06 ValidFAA registration status code V: Valid registration. All codes
N121HT Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N147LK Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N17UK Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N2228K Mooney
M20R
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N4455 Lancair Company
LC41-550FG
Fixed-wing, single engine Individual owner
Georgia
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N631SA Raytheon Aircraft Company
A36
Fixed-wing, single engine N631Sa LLC
Wellington, Florida
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N747LL Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-05 ValidFAA registration status code V: Valid registration. All codes
N830CD Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-04 ValidFAA registration status code V: Valid registration. All codes
N990P Cirrus Design Corp
SR22
Fixed-wing, single engine Valli Air LLC
Leonardtown, Maryland
Standard 2026-02-03 ValidFAA registration status code V: Valid registration. All codes
N2355T Raytheon Aircraft Company
A36
Fixed-wing, single engine Be-3195 LLC
Conway, Arkansas
Standard 2026-02-02 ValidFAA registration status code V: Valid registration. All codes
N64LM Beech
58
Fixed-wing, multi-engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2026-02-01 ValidFAA registration status code V: Valid registration. All codes
N403CT Cirrus Design Corp
SR22
Fixed-wing, single engine Cat Aviation LLC
Big Sky, Montana
Standard 2026-01-30 ValidFAA registration status code V: Valid registration. All codes
N429CD Cirrus Design Corp
SR22
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2026-01-30 ValidFAA registration status code V: Valid registration. All codes
N89GH Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-30 ValidFAA registration status code V: Valid registration. All codes
N299JW Cirrus Design Corp
SR22
Fixed-wing, single engine Ras Aviation LLC
Elyria, Ohio
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N415GF Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N482CD Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N834CD Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N78WW Beech
58
Fixed-wing, multi-engine Park Avenue Group INC
Stuart, Florida
Standard 2026-01-28 ValidFAA registration status code V: Valid registration. All codes
N335PG Cirrus Design Corp
SR22
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-27 ValidFAA registration status code V: Valid registration. All codes
N350DG Lancair Company
LC42-550FG
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2026-01-26 ValidFAA registration status code V: Valid registration. All codes
N350RP Lancair Company
LC42-550FG
Fixed-wing, single engine Co-owned owner
Florida
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N505CD Cirrus Design Corp
SR22
Fixed-wing, single engine Valiair Limited Company Owner Trustee
Casper, Wyoming
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
Previous Page 2 of 31 Next

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.