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

Continental IO-550-N

2,778 aircraft on the U.S. register carry a Continental IO-550-N engine, rated at about 310 horsepower. The Cirrus SR22 is the model most often fitted with it (2,596 aircraft). The aircraft carrying it were built between 2002 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 Continental IO-550-N (2 codes). FAA spellings: IO-550-N · IO-550-N.

Fitted to model families

Cirrus SR222,596Columbia Aircraft Mfg LC4251Cessna LC4215Lancair Company LC426Lancair Company LC-403Cessna U206 Stationair3Andrews Robert E LANCAIR LEGACY1Annsec Corp LEGACY 20001Baker Robert F1 ROCKET1Barnes Daniel LANCAIR ES1Barnes Don LANCAIR LEGACY1Baum Timothy J VELOCITY XL FG1

Cirrus SR22 · Columbia Aircraft Mfg LC42 · Cessna LC42 · Lancair Company LC42 · Lancair Company LC-40 · Cessna U206 Stationair · Andrews Robert E LANCAIR LEGACY · Annsec Corp LEGACY 2000 · Baker Robert F1 ROCKET · Barnes Daniel LANCAIR ES

Where they are owner's state

Florida304Texas212California173Delaware164Georgia110North Carolina94Tennessee90New York86Oklahoma84Virginia76

Kind of aircraft

Piston singles2,774 (100%)Turboprops2 (0.1%)Piston twins1 (0.0%)Gliders1 (0.0%)

When the aircraft were built by decade

03116229321,2435197011980119901,243200072620106742020

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

The design is held under 1 type certificate (E3SO, held by Continental Aerospace Technologies, INC.). The FAA has issued 24 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 333 failure reports with the FAA since 1995, 65 of them in the last ten years.

FAA orders 24 airworthiness directives · newest first

2023-10-262023-17-04 · Reciprocating Engine Oil System · engine
2023-07-172023-09-09 · Exhaust Turbine System (Recip) · engine
2023-03-152023-05-16 · Reciprocating Engine Power Section · engine
2023-02-232023-04-08 · Reciprocating Engine Power Section · engine
2023-02-172023-02-12 · Engine Air Intake System · engine
2020-09-212020-16-11 · SUMMARY: Reciprocating Cylinder Section · engine

All orders naming the Continental IO-550-N

Failure reports 333 since · what operators and shops told the FAA

081624329906111621426

Parts most often reported as the reports name them

Spark Plug13Alternator11Exhaust Header11Adapter10Cylinder10Distributor Gear9Hinge9Oil Cooler8Cylinder Head7Magneto7

Latest reports

2026-09-30Lock Tab: misinstalled
2026-07-01Pump: leaking
2026-04-16Engine: failed
2026-03-13Alternator: failed
2025-11-23Spark Plug: cracked

Certificates and bulletins

E3SOType certificate held by Continental Aerospace Technologies, INC. · 20 models listed · revised April 6, 2020

Safety bulletins 10 · advice, not orders

2020-04-06NE-20-05 · POWERPLANT - Engine Camshaft Gear Tooth Fracture
2018-06-20NE-18-16 · POWERPLANT Alternator Drive Coupling
2017-05-10NE-17-11 · POWERPLANT Engine damage as a result of kickback
2016-03-08NE-16-13 · Powerplant - Prohibited use of sealant
2013-02-08NE-13-15 · Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers

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-n.json · about the eFlight graph.

Aircraft newest certificates first · 2,778

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N668SR Cirrus Design Corp
SR22
Fixed-wing, single engine Latitude Aviation LLC
Huntingdon Valley, Pennsylvania
Standard 2025-04-17 ValidFAA registration status code V: Valid registration. All codes
N711FF Cirrus Design Corp
SR22
Fixed-wing, single engine M S Aviation LLC
Charlotte, North Carolina
Standard 2025-04-17 ValidFAA registration status code V: Valid registration. All codes
N810WW Cirrus Design Corp
SR22
Fixed-wing, single engine Old Moreland LLC
Daniel Island, South Carolina
Standard 2025-04-17 ValidFAA registration status code V: Valid registration. All codes
N224RT Cirrus Design Corp
SR22
Fixed-wing, single engine Ironwood Aviation LLC
Boerne, Texas
Standard 2025-04-16 ValidFAA registration status code V: Valid registration. All codes
N539FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-04-14 ValidFAA registration status code V: Valid registration. All codes
N929MB Cirrus Design Corp
SR22
Fixed-wing, single engine Central Iowa Aviation LLC
Ankeny, Iowa
Standard 2025-04-14 ValidFAA registration status code V: Valid registration. All codes
N941CZ Cirrus Design Corp
SR22
Fixed-wing, single engine Bone Air LLC
Winnetka, Illinois
Standard 2025-04-14 ValidFAA registration status code V: Valid registration. All codes
N426WV Cirrus Design Corp
SR22
Fixed-wing, single engine Abhrdh Enterprises LLC
Bunker Hill, West Virginia
Standard 2025-04-09 ValidFAA registration status code V: Valid registration. All codes
N470ST Cirrus Design Corp
SR22
Fixed-wing, single engine Lima Charlie 2.0 LLC
Duluth, Georgia
Standard 2025-04-09 ValidFAA registration status code V: Valid registration. All codes
N593MW Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2025-04-08 ValidFAA registration status code V: Valid registration. All codes
N146WT Cirrus Design Corp
SR22
Fixed-wing, single engine Levanders Aircraft II LLC
Grand Island, Nebraska
Standard 2025-04-07 ValidFAA registration status code V: Valid registration. All codes
N481FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-04-07 ValidFAA registration status code V: Valid registration. All codes
N54LG Cirrus Design Corp
SR22
Fixed-wing, single engine Synergy Wellness Group INC
Bakersfield, California
Standard 2025-04-07 ValidFAA registration status code V: Valid registration. All codes
N511B Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2025-04-06 ValidFAA registration status code V: Valid registration. All codes
N125FD Cirrus Design Corp
SR22
Fixed-wing, single engine J Gonzales Properties LLC
Prairieville, Louisiana
Standard 2025-04-03 ValidFAA registration status code V: Valid registration. All codes
N365PM Cirrus Design Corp
SR22
Fixed-wing, single engine Valiair Lc Trustee
Casper, Wyoming
Standard 2025-04-03 ValidFAA registration status code V: Valid registration. All codes
N181MC Cirrus Design Corp
SR22
Fixed-wing, single engine Tf1 LLC
Pittsford, New York
Standard 2025-04-01 ValidFAA registration status code V: Valid registration. All codes
N89AB Cirrus Design Corp
SR22
Fixed-wing, single engine Skybound Escapes LLC
Daniel Island, South Carolina
Standard 2025-04-01 ValidFAA registration status code V: Valid registration. All codes
N693JD Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-31 ValidFAA registration status code V: Valid registration. All codes
N975MS Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2025-03-29 ValidFAA registration status code V: Valid registration. All codes
N518FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N522FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N537FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N755HS Cirrus Design Corp
SR22
Fixed-wing, single engine As Aviation LLC
Englewood, New Jersey
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N82JR Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Missouri
Standard 2025-03-28 ValidFAA registration status code V: Valid registration. All codes
N223GS Columbia Aircraft Mfg
LC42-550FG
Fixed-wing, single engine N771Cd LLC
Missoula, Montana
Standard 2025-03-26 ValidFAA registration status code V: Valid registration. All codes
N675AT Cirrus Design Corp
SR22
Fixed-wing, single engine
Standard 2025-03-26 ValidFAA registration status code V: Valid registration. All codes
N37TM Cirrus Design Corp
SR22
Fixed-wing, single engine Bossman Cirrus LLC
Uvalde, Texas
Standard 2025-03-25 ValidFAA registration status code V: Valid registration. All codes
N688PD Cirrus Design Corp
SR22
Fixed-wing, single engine Unusual Attitudes LLC
Bates City, Missouri
Standard 2025-03-25 ValidFAA registration status code V: Valid registration. All codes
N34WG Cirrus Design Corp
SR22
Fixed-wing, single engine Wings of Grace INC
Vonore, Tennessee
Standard 2025-03-24 ValidFAA registration status code V: Valid registration. All codes
N382SR Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
California
Standard 2025-03-21 ValidFAA registration status code V: Valid registration. All codes
N32AZ Cirrus Design Corp
SR22
Fixed-wing, single engine Christian Brothers Aviation LLC
Dalton, Georgia
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N608SR Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Oregon
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N863MM Cirrus Design Corp
SR22
Fixed-wing, single engine Gg Jet Air LLC
Montgomery, Indiana
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N918Z Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2025-03-20 ValidFAA registration status code V: Valid registration. All codes
N71TZ Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N829D Cirrus Design Corp
SR22
Fixed-wing, single engine Xuno Group LLC
Fort Lauderdale, Florida
Standard 2025-03-19 ValidFAA registration status code V: Valid registration. All codes
N421CD Cirrus Design Corp
SR22
Fixed-wing, single engine Tarsky Project LLC
Panama City Beach, Florida
Standard 2025-03-18 ValidFAA registration status code V: Valid registration. All codes
N226SR Cirrus Design Corp
SR22
Fixed-wing, single engine Dairyaire LLC
Brookfield, Wisconsin
Standard 2025-03-14 ValidFAA registration status code V: Valid registration. All codes
N495SC Cirrus Design Corp
SR22
Fixed-wing, single engine Optimum Aviation LLC
Sterling, Virginia
Standard 2025-03-12 ValidFAA registration status code V: Valid registration. All codes
N527WW Cirrus Design Corp
SR22
Fixed-wing, single engine Airtime Flying Club LLC
Richmond, Virginia
Standard 2025-03-12 ValidFAA registration status code V: Valid registration. All codes
N223TS Cirrus Design Corp
SR22
Fixed-wing, single engine Jvgh LLC
Eastpoint, Florida
Standard 2025-03-11 ValidFAA registration status code V: Valid registration. All codes
N573SR Cirrus Design Corp
SR22
Fixed-wing, single engine S & S Bridge Painting INC
Kerrville, Texas
Standard 2025-03-11 ValidFAA registration status code V: Valid registration. All codes
N550EF Taylor Spangler
LANCAIR LEGACY
Fixed-wing, single engine Individual owner
Colorado
Experimental 2025-03-10 ValidFAA registration status code V: Valid registration. All codes
N371EC Cirrus Design Corp
SR22
Fixed-wing, single engine Next1Sr LLC
Dayton, Ohio
Standard 2025-03-08 ValidFAA registration status code V: Valid registration. All codes
N642SR Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Tennessee
Standard 2025-03-08 ValidFAA registration status code V: Valid registration. All codes
N664TT Cirrus Design Corp
SR22
Fixed-wing, single engine 4Mediation LLC
Lake Wales, Florida
Standard 2025-03-08 ValidFAA registration status code V: Valid registration. All codes
N623CA Cirrus Design Corp
SR22
Fixed-wing, single engine Fast Flights LLC
Wilmington, Delaware
Standard 2025-03-05 ValidFAA registration status code V: Valid registration. All codes
N246CM Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Texas
Standard 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N740CD Cirrus Design Corp
SR22
Fixed-wing, single engine 429 Aviation LLC
Dallas, Texas
Standard 2025-03-04 ValidFAA registration status code V: Valid registration. All codes
N336B Cirrus Design Corp
SR22
Fixed-wing, single engine Wright Brothers Aero INC
Vandalia, Ohio
Standard 2025-03-03 ValidFAA registration status code V: Valid registration. All codes
N415TL Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Georgia
Standard 2025-03-01 ValidFAA registration status code V: Valid registration. All codes
N454SR Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Michigan
Standard 2025-02-28 ValidFAA registration status code V: Valid registration. All codes
N471FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-02-28 ValidFAA registration status code V: Valid registration. All codes
N654KB Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Texas
Standard 2025-02-25 ValidFAA registration status code V: Valid registration. All codes
N523GW Cirrus Design Corp
SR22
Fixed-wing, single engine A and P Farms LLC
Wilmington, Delaware
Standard 2025-02-24 ValidFAA registration status code V: Valid registration. All codes
N275AB Cirrus Design Corp
SR22
Fixed-wing, single engine R2Box LLC
Dover, Delaware
Standard 2025-02-23 ValidFAA registration status code V: Valid registration. All codes
N281MF Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
North Carolina
Standard 2025-02-22 ValidFAA registration status code V: Valid registration. All codes
N457FD Cirrus Design Corp
SR22
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-02-22 ValidFAA registration status code V: Valid registration. All codes
N953AB Cirrus Design Corp
SR22
Fixed-wing, single engine Columbia Asset Trust CORP Trustee
Wichita, Kansas
Standard 2025-02-22 ValidFAA registration status code V: Valid registration. All codes
N302SR Cirrus Design Corp
SR22
Fixed-wing, single engine Rebel Aviation LLC
Ramsey, Minnesota
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N534CP Cirrus Design Corp
SR22
Fixed-wing, single engine On Duty Health - Texas Pllc
Redlands, California
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N815DB Cirrus Design Corp
SR22
Fixed-wing, single engine R&R Daredevils LLC
Wilmington, Delaware
Standard 2025-02-20 ValidFAA registration status code V: Valid registration. All codes
N107MT Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Texas
Standard 2025-02-18 ValidFAA registration status code V: Valid registration. All codes
N874CP Cirrus Design Corp
SR22
Fixed-wing, single engine Rm Aviation LLC
Clarkrange, Tennessee
Standard 2025-02-17 ValidFAA registration status code V: Valid registration. All codes
N445CD Cirrus Design Corp
SR22
Fixed-wing, single engine Mockingbird Wings LLC
Wilmington, Delaware
Standard 2025-02-15 ValidFAA registration status code V: Valid registration. All codes
N54KM Marshall Wayne
LANCAIR INTL LEGACY
Fixed-wing, single engine Individual owner
Kentucky
Experimental 2025-02-12 ValidFAA registration status code V: Valid registration. All codes
N963RB Cirrus Design Corp
SR22
Fixed-wing, single engine American Fine Art INC
Scottsdale, Arizona
Standard 2025-02-12 ValidFAA registration status code V: Valid registration. All codes
N596AC Cirrus Design Corp
SR22
Fixed-wing, single engine M&L Properties of Alexandria LLC
Alexandria, Louisiana
Standard 2025-02-06 ValidFAA registration status code V: Valid registration. All codes
N1SJ Cirrus Design Corp
SR22
Fixed-wing, single engine
Standard 2025-02-05 ValidFAA registration status code V: Valid registration. All codes
N922SE Cirrus Design Corp
SR22
Fixed-wing, single engine 922Se LLC
Fort Collins, Colorado
Standard 2025-02-05 ValidFAA registration status code V: Valid registration. All codes
N322AM Cirrus Design Corp
SR22
Fixed-wing, single engine Professional Pilots LLC
Duluth, Minnesota
Standard 2025-02-04 ValidFAA registration status code V: Valid registration. All codes
N142C Cirrus Design Corp
SR22
Fixed-wing, single engine Glc Equipment Leasing LLC
Paragould, Arkansas
Standard 2025-02-01 ValidFAA registration status code V: Valid registration. All codes
N645RS Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Utah
Standard 2025-01-30 ValidFAA registration status code V: Valid registration. All codes
N89MN Cirrus Design Corp
SR22
Fixed-wing, single engine Noffze Michael
West Fargo, North Dakota
Standard 2025-01-29 ValidFAA registration status code V: Valid registration. All codes
N171TD Cirrus Design Corp
SR22
Fixed-wing, single engine Fh Consulting LLC
Christiana, Tennessee
Standard 2025-01-28 ValidFAA registration status code V: Valid registration. All codes
N367CP Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
California
Standard 2025-01-28 ValidFAA registration status code V: Valid registration. All codes
N373ER Cirrus Design Corp
SR22
Fixed-wing, single engine Stx Aviation LLC
Fresno, California
Standard 2025-01-28 ValidFAA registration status code V: Valid registration. All codes
N289E Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-01-27 ValidFAA registration status code V: Valid registration. All codes
N316BC Cirrus Design Corp
SR22
Fixed-wing, single engine Bc Air LLC
Great Falls, Virginia
Standard 2025-01-27 ValidFAA registration status code V: Valid registration. All codes
N394JM Cirrus Design Corp
SR22
Fixed-wing, single engine Lehman Aviation LLC
Remington, Indiana
Standard 2025-01-27 ValidFAA registration status code V: Valid registration. All codes
N711KW Cirrus Design Corp
SR22
Fixed-wing, single engine Crosswind Aviation LTD
Wilmington, Delaware
Standard 2025-01-27 ValidFAA registration status code V: Valid registration. All codes
N955SR Cirrus Design Corp
SR22
Fixed-wing, single engine High Standards Aviation LLC
Laguna Beach, California
Standard 2025-01-27 ValidFAA registration status code V: Valid registration. All codes
N922KA Cirrus Design Corp
SR22
Fixed-wing, single engine Atlas Aviation LLC
Buckhannon, West Virginia
Standard 2025-01-26 ValidFAA registration status code V: Valid registration. All codes
N369CH Cirrus Design Corp
SR22
Fixed-wing, single engine Liberty Leasing Ix LLC
Melbourne, Florida
Experimental 2025-01-25 ValidFAA registration status code V: Valid registration. All codes
N371PM Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Louisiana
Standard 2025-01-25 ValidFAA registration status code V: Valid registration. All codes
N48RC Cirrus Design Corp
SR22
Fixed-wing, single engine Monson Horizon INC
Reynolds, Illinois
Standard 2025-01-25 ValidFAA registration status code V: Valid registration. All codes
N858MC Cirrus Design Corp
SR22
Fixed-wing, single engine Rkh Capital LLC
Melbourne Beach, Florida
Standard 2025-01-24 ValidFAA registration status code V: Valid registration. All codes
N39KC Cirrus Design Corp
SR22
Fixed-wing, single engine Capital Holdings 245 LLC
Newark, Delaware
Standard 2025-01-23 ValidFAA registration status code V: Valid registration. All codes
N69PK Cirrus Design Corp
SR22
Fixed-wing, single engine Biofusion LLC
Fort Smith, Arkansas
Standard 2025-01-23 ValidFAA registration status code V: Valid registration. All codes
N717AP Cirrus Design Corp
SR22
Fixed-wing, single engine Lone Mountain Aircraft LLC
Vandalia, Ohio
Standard 2025-01-23 ValidFAA registration status code V: Valid registration. All codes
N797CD Cirrus Design Corp
SR22
Fixed-wing, single engine Phronesis LLC
Tucson, Arizona
Standard 2025-01-23 ValidFAA registration status code V: Valid registration. All codes
N137GB Columbia Aircraft Mfg
LC42-550FG
Fixed-wing, single engine Calm Air Aviation
Nunica, Michigan
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N220EB Cirrus Design Corp
SR22
Fixed-wing, single engine Jag Aviation LLC
South Easton, Massachusetts
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N505AR Cirrus Design Corp
SR22
Fixed-wing, single engine Co-owned owner
Texas
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N850EB Cirrus Design Corp
SR22
Fixed-wing, single engine No Step On Snek LLC
Punta Gorda, Florida
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N989PS Cirrus Design Corp
SR22
Fixed-wing, single engine Reliable Property Solutions LLC
Stockbridge, Georgia
Standard 2025-01-22 ValidFAA registration status code V: Valid registration. All codes
N54KY Cirrus Design Corp
SR22
Fixed-wing, single engine Gael Aviation INC
West Harrison, New York
Standard 2025-01-21 ValidFAA registration status code V: Valid registration. All codes
N563CP Cirrus Design Corp
SR22
Fixed-wing, single engine 5Teevee LLC
La Grande, Oregon
Standard 2025-01-21 ValidFAA registration status code V: Valid registration. All codes
N783LX Cirrus Design Corp
SR22
Fixed-wing, single engine Genetech Animal Reproduction LLC
Purcell, Oklahoma
Standard 2025-01-21 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.