Continental IO-520 series
9,484 aircraft on the U.S. register carry a Continental IO-520 series engine, rated at about 285 horsepower. The Beechcraft V35 Bonanza is the model most often fitted with it (1,496 aircraft). The aircraft carrying it were built between 1963 and 2017.
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-520 series. FAA spelling: IO 520 SERIES.
Fitted to model families
Beechcraft V35 Bonanza1,496Beechcraft A36 Bonanza1,145Cessna A185 Skywagon1,143Beechcraft F33 Bonanza872Cessna 210 Centurion767Cessna U206 Stationair641Beechcraft 58 Baron466Bellanca 17 Viking456Beechcraft S35 Bonanza439Cessna 310303Cessna A188230Beechcraft E-55193
Beechcraft V35 Bonanza · Beechcraft A36 Bonanza · Cessna A185 Skywagon · Beechcraft F33 Bonanza · Cessna 210 Centurion · Cessna U206 Stationair · Beechcraft 58 Baron · Bellanca 17 Viking · Beechcraft S35 Bonanza · Cessna 310
Where they are owner's state
Texas1,047California791Alaska673Florida567Delaware326Arizona312Montana276Washington274Colorado265Georgia251
Kind of aircraft
Piston singles7,845 (83%)Piston twins1,371 (14%)Turboprops268 (3%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Continental IO-520 series the component layer
The design is held under 1 type certificate (E5CE, held by Continental Aerospace Technologies, INC.). The FAA has issued 30 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 465 failure reports with the FAA since 1995, 26 of them in the last ten years.
FAA orders 30 airworthiness directives · newest first
2023-10-262023-17-04 · Reciprocating Engine Oil System · 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
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2022-03-292022-04-04 · Reciprocating Engine Oil System · engine
Failure reports 465 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Cylinder26Cylinder Head25Relay20Hub14Circuit Breaker13Antenna12Line12Bolt10Bracket9Control Cable9
Latest reports
2024-04-06Engine: power loss
2024-04-06Engine: power loss
2022-01-21None: none
2020-07-10Rod: broken
2020-01-15Turnbuckle: corroded
Certificates and bulletins
E5CEType certificate held by Continental Aerospace Technologies, INC. · 18 models listed · revised March 8, 2022
Safety bulletins 11 · 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
- Beechcraft V35 Bonanza 1,496 with this engine series
- Beechcraft A36 Bonanza 1,145 with this engine series
- Cessna A185 Skywagon 1,143 with this engine series
- Beechcraft F33 Bonanza 872 with this engine series
- Cessna 210 Centurion 767 with this engine series
- Cessna U206 Stationair 641 with this engine series
- Beechcraft 58 Baron 466 with this engine series
- Bellanca 17 Viking 456 with this engine series
Where they are
- Texas 1,047 of these aircraft
- California 791 of these aircraft
- Alaska 673 of these aircraft
- Florida 567 of these aircraft
- Delaware 326 of these aircraft
Biggest operators
- Bas Part Sales LLC 27 of these aircraft
- International Air Services INC Trustee 12 of these aircraft
- Gta Air INC 12 of these aircraft
- Southern Aircraft Consultancy INC Trustee 11 of these aircraft
- United States Department Of Interior 10 of these aircraft
Airworthiness
- FAA orders naming the Continental IO-520 series 30 airworthiness directives
- Failure reports on the Continental IO-520 series 465 reports since 1995
Analytics
These connections as data: /graph/engine/continental-io-520-series.json · about the eFlight graph.
Aircraft newest certificates first · 9,484
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N8223R | Bellanca 17-30A |
Fixed-wing, single engine | Super Viking LLC Ankeny, Iowa |
Standard | 2023-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N5554X | Beech F33A |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2023-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N7068N | Beech D55 |
Fixed-wing, multi-engine | Individual owner North Carolina |
Standard | 2023-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8245R | Bellanca 17-30A |
Fixed-wing, single engine | Co-owned owner North Dakota |
Standard | 2023-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N922DR | Beech F33A |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2023-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N879MC | Beech V35B |
Fixed-wing, single engine | J P IV LLC Hickory, North Carolina |
Standard | 2023-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N972LL | Cessna U206B |
Fixed-wing, single engine | Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah |
Standard | 2023-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N1026T | Beech V35B |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2023-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N1372V | Cessna U206F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4678A | Beech A36 |
Fixed-wing, single engine | Iflyjctc82 LLC Macomb, Illinois |
Standard | 2023-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N9553Q | Beech V35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4596S | Beech F33A |
Fixed-wing, single engine | Co-owned owner New Mexico |
Standard | 2023-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N25CG | Beech A36 |
Fixed-wing, single engine | Mcdonough Aviation LLC Montgomery, Alabama |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3868Y | Beech A36 |
Fixed-wing, single engine | Talewinds LLC Litchfield Park, Arizona |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N582TM | Beech A36 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N66619 | Beech 58 |
Fixed-wing, multi-engine | West Bend Air INC West Bend, Wisconsin |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N735V | Beech V35B |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N444DW | Beech V35B |
Fixed-wing, single engine | Triple 4 Dw LLC Davie, Florida |
Standard | 2023-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N6124Z | Cessna U206G |
Fixed-wing, single engine | Mulchatna Air Taxi LLC Dillingham, Alaska |
Standard | 2023-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N403DM | Cessna 310R |
Fixed-wing, multi-engine | 403Dm LLC Indianapolis, Indiana |
Standard | 2023-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N649EC | Beech 58 |
Fixed-wing, multi-engine | Individual owner Georgia |
Standard | 2023-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N883T | Beech S35 |
Fixed-wing, single engine | Co-owned owner North Carolina |
Standard | 2023-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9959R | Cessna U206G |
Fixed-wing, single engine | Individual owner New York |
Standard | 2023-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N510TC | Beech A36 |
Fixed-wing, single engine | Skyview Aviation LLC Hartwell, Georgia |
Standard | 2023-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N777PD | Beech V35B |
Fixed-wing, single engine | ISR Aviation LLC Wilmington, Delaware |
Standard | 2023-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N98892 | Cessna 310R |
Fixed-wing, multi-engine | Bright Aviation LLC Salt Lake City, Utah |
Standard | 2023-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N444RG | Beech F33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N175T | Beech V35B |
Fixed-wing, single engine | Co-owned owner New Mexico |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N27117 | Beech A36 |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N27DH | Beech V35B |
Fixed-wing, single engine | Co-owned owner Tennessee |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N70085 | Cessna A185E |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7974D | Beech H35 |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7976M | Beech V35 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4972M | Beech A36 |
Fixed-wing, single engine | Zenith Air LLC Salome, Arizona |
Standard | 2023-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N8286F | Beech F33A |
Fixed-wing, single engine | Daedalus Advisory LLC Seattle, Washington |
Standard | 2023-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N9564Q | Beech 35-C33A |
Fixed-wing, single engine | Hglv Holding CO LLC New Rochelle, New York |
Standard | 2023-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N185CA | Cessna A185F |
Fixed-wing, single engine | Sikes Farms LLC Collins, Georgia |
Standard | 2023-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7250R | Beech F33A |
Fixed-wing, single engine | Co-owned owner Georgia |
Standard | 2023-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N993MD | Beech F33A |
Fixed-wing, single engine | Boyd Aviation LLC Lakeville, Minnesota |
Standard | 2023-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N118V | Beech V35 |
Fixed-wing, single engine | Smith Gregg W Lake Jackson, Texas |
Standard | 2023-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N7468N | Beech 36 |
Fixed-wing, single engine | Parents Aviation One LLC Mesa, Arizona |
Standard | 2023-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8906U | Beech S35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N310VV | Cessna 310R |
Fixed-wing, multi-engine | Msl Air INC Sugar Grove, Illinois |
Standard | 2023-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N9252R | Cessna A188B |
Fixed-wing, single engine | Bank of Utah Trustee Salt Lake City, Utah |
Restricted | 2023-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N999PZ | Beech A36 |
Fixed-wing, single engine | Bs Starbellies LLC Austin, Texas |
Standard | 2023-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N13BJ | Cessna 210D |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N2KB | Beech A36 |
Fixed-wing, single engine | Kb Aviation LLC Mission Viejo, California |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N3268Q | Cessna 401 |
Fixed-wing, multi-engine | Superior Food Distributors LLC Naples, Florida |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N38507 | Beech A36 |
Fixed-wing, single engine | Dwm Holdings of Texas INC Hot Springs, Arkansas |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N5433U | Beech V35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N6685V | Bellanca 17-30 |
Fixed-wing, single engine | Heirborne LLC Kansas City, Missouri |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8326N | Beech V35A |
Fixed-wing, single engine | Limitless Experience INC Middletown, Delaware |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N87205 | Cessna 310R |
Fixed-wing, multi-engine | Redskin Aviation LLC Kalispell, Montana |
Standard | 2023-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N18364 | Beech 58 |
Fixed-wing, multi-engine | Individual owner South Dakota |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N22DR | Bellanca 17-30A |
Fixed-wing, single engine | Scott Aero LLC Hudson Oaks, Texas |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N3086W | Cessna A185E |
Fixed-wing, single engine | Altair Aircraft LLC Gainesville, Florida |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N32TL | Cessna 310R |
Fixed-wing, multi-engine | Jonesboro Cycle and Atv LLC Bone, Arkansas |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N519CM | Beech 58P |
Fixed-wing, multi-engine | Cygnet Aerospace CORP Los Osos, California |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N5725V | Beech 35-C33A |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2023-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8853M | Beech S35 |
Fixed-wing, single engine | Beaver Creek Aviation LLC Clinton, Oklahoma |
Standard | 2023-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9303R | Cessna U206G |
Fixed-wing, single engine | Canoe Bay Outfitters LLC Chugiak, Alaska |
Standard | 2023-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N185ND | Cessna A185F |
Fixed-wing, single engine | Individual owner Maine |
Standard | 2023-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N4825E | Cessna A185F |
Fixed-wing, single engine | Paris Enterprises LLC Atlanta, Georgia |
Multiple | 2023-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N266TC | Beech B36TC |
Fixed-wing, single engine | Air Control Systems Bigfork, Montana |
Standard | 2023-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N3953P | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N7466N | Beech 36 |
Fixed-wing, single engine | N7466N LLC Bethpage, New York |
Standard | 2023-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N4130T | Cessna 320D |
Fixed-wing, multi-engine | Individual owner Arizona |
Standard | 2023-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4656F | Cessna P206A |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2023-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N860A | Beech F33A |
Fixed-wing, single engine | Johnson Plane Services LLC Greenbrier, Tennessee |
Standard | 2023-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5461X | Cessna U206G |
Fixed-wing, single engine | State of Alaska Anchorage, Alaska |
Standard | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N6VU | Beech 58 |
Fixed-wing, multi-engine | Pro Motive LLC Glade Spring, Virginia |
Standard | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N7987M | Beech V35 |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N955BR | Beech 58 |
Fixed-wing, multi-engine | Buffalo River Aviation LLC Bentonville, Arkansas |
Standard | 2023-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1359G | Cessna 310R |
Fixed-wing, multi-engine | Eaglehead Aviation LLC Tifton, Georgia |
Standard | 2023-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2037N | Beech F33A |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2023-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N185TC | Cessna A185F |
Fixed-wing, single engine | Montana Jet LLC Bozeman, Montana |
Standard | 2023-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N337PC | Cessna 210N |
Fixed-wing, single engine | Phantom Technologies LLC Garden City, Idaho |
Standard | 2023-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N1703W | Beech V35B |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2023-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1812L | Beech V35B |
Fixed-wing, single engine | Vintage Aviation LLC Huntington, Indiana |
Standard | 2023-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N310UD | Cessna 310R |
Fixed-wing, multi-engine | Gorge Winds Aviation INC Fairview, Oregon |
Standard | 2023-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1531W | Beech A36 |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N2209L | Beech V35B |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3845Y | Cessna 210D |
Fixed-wing, single engine | 1St Due Emergency Response Solutions LLC Bartlett, Kansas |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N488DD | Beech 35-C33A |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N494PC | Cessna U206F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N5822S | Beech S35 |
Fixed-wing, single engine | Patton Aviation LLC Billings, Montana |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8289R | Bellanca 17-30A |
Fixed-wing, single engine | Sebi Aviation Tt LLC Austin, Texas |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N9941Z | Cessna U206G |
Fixed-wing, single engine | Paragon Air Group Fort Worth, Texas |
Standard | 2023-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N20DJ | Beech 95-C55 |
Fixed-wing, multi-engine | Beach Bum Airways LLC Saint Petersburg, Florida |
Standard | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N275V | Beech 58 |
Fixed-wing, multi-engine | Fly Collier LLC Naples, Florida |
Standard | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N3452Y | Cessna A185F |
Fixed-wing, single engine | Multiple | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes | |
| N5741V | Beech V35 |
Fixed-wing, single engine | Sjr Properties LLC Reno, Nevada |
Standard | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N9380Q | Beech F33A |
Fixed-wing, single engine | Standard | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes | |
| N953ST | Cessna 210L |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2023-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N18429 | Beech F33A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N5499U | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N574SB | Beech A36 |
Fixed-wing, single engine | Rj Group Investments LLC Lawton, Oklahoma |
Standard | 2023-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6650L | Beech F33A |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2023-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N177WT | Beech M35 |
Fixed-wing, single engine | Bucey Barry e Visalia, California |
Standard | 2023-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N4180S | Beech V35B |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2023-04-05 | 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.