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 |
|---|---|---|---|---|---|---|
| N87TM | Cessna A185E |
Fixed-wing, single engine | Universal Aviation LLC Macon, Georgia |
Standard | 2023-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N210GG | Cessna 210F |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N239S | Beech S35 |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2023-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N630RW | Beech E-55 |
Fixed-wing, multi-engine | Mansfield Heliflight INC Milton, Vermont |
Standard | 2023-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N3068W | Beech A36 |
Fixed-wing, single engine | Sneebler Transport LLC Burke, Virginia |
Standard | 2023-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N36YV | Beech A36 |
Fixed-wing, single engine | N36Yv Holdco LLC Mount Pleasant, South Carolina |
Standard | 2023-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8080R | Beech V35A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2026W | Beech 58 |
Fixed-wing, multi-engine | Gta Air INC Addison, Texas |
Standard | 2023-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N422BW | Cessna 210J |
Fixed-wing, single engine | Bravo Whiskey LLC Gilbert, Arizona |
Standard | 2023-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N435JM | Beech A36 |
Fixed-wing, single engine | Bonanza A36 LLC Nashville, Tennessee |
Standard | 2023-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N541MG | Beech 95-C55 |
Fixed-wing, multi-engine | N541Mg INC Big Pine Key, Florida |
Standard | 2023-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N780A | Cessna U206G |
Fixed-wing, single engine | Las Margaritas Aviation LLC Qulin, Missouri |
Standard | 2023-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N6482N | Cessna A185F |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2023-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8603Q | Beech S35 |
Fixed-wing, single engine | Individual owner Connecticut |
Standard | 2023-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N7069N | Beech V35A |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2023-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N17692 | Beech F33A |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N222AC | Beech A36 |
Fixed-wing, single engine | Mti Holdings INC Birmingham, Alabama |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2506T | Navion NAVION H |
Fixed-wing, single engine | Tango LLC Anchorage, Alaska |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N549PT | Beech 58 |
Fixed-wing, multi-engine | Individual owner Georgia |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N6299X | Beech A36 |
Fixed-wing, single engine | South Florida Exotics LLC Missoula, Montana |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9732E | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner District of Columbia |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2323F | Cessna 210E |
Fixed-wing, single engine | Individual owner North Dakota |
Standard | 2023-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N6604V | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9591E | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3476A | Beech F33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N7944K | Beech S35 |
Fixed-wing, single engine | Taylor Aviation of Seminole Ok LLC Seminole, Oklahoma |
Standard | 2023-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N9219Q | Beech V35B |
Fixed-wing, single engine | Media Exp LLC Portland, Oregon |
Standard | 2023-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N158BB | Beech 58 |
Fixed-wing, multi-engine | Individual owner Virginia |
Standard | 2023-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N9171Q | Beech V35B |
Fixed-wing, single engine | Beech Babe LTD Colorado Springs, Colorado |
Standard | 2023-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N240RC | Cessna 310R |
Fixed-wing, multi-engine | Integrity Sales and Auction LLC Merrill, Wisconsin |
Standard | 2023-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N3357L | Cessna A185E |
Fixed-wing, single engine | Mark II Aviation LLC Corvallis, Montana |
Standard | 2023-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N249WH | Beech F33C |
Fixed-wing, single engine | Whiskey Hotel LLC O Fallon, Missouri |
Standard | 2023-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N346S | Beech V35B |
Fixed-wing, single engine | 200 Knot LLC Amarillo, Texas |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N38065 | Beech V35B |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N628BW | Cessna 310R |
Fixed-wing, multi-engine | Wings Like Eagles LLC Wilmington, Delaware |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N630JL | Beech A36 |
Fixed-wing, single engine | Gilday Aviation LLC Hamilton, Ohio |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N670TW | Beech V35 |
Fixed-wing, single engine | Thunderbolt LTD Salem, Nebraska |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N777U | Beech V35B |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N1571W | Beech V35B |
Fixed-wing, single engine | West Elk Construction LTD Milliken, Colorado |
Standard | 2023-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N655T | Beech A36 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2023-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N102CC | Beech A36 |
Fixed-wing, single engine | Pj Squared LLC San Antonio, Texas |
Standard | 2023-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N6929R | Cessna T210H |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N143HJ | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N20M | Beech-Parks BEECH-PARKS D-45 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4573F | Cessna A185E |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N63083 | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N720GE | Cessna 210L |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N93010 | Cessna A185F |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N6095E | Cessna A185F |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2023-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N206WW | Cessna U206G |
Fixed-wing, single engine | Southern Seaplanes LLC Osteen, Florida |
Standard | 2023-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8944D | Beech V35 |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2023-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N9400Q | Beech V35B |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N2458A | Beech V35A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N454SV | Cessna U206G |
Fixed-wing, single engine | Ecliax LLC Craig, Alaska |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N712JZ | Beech 58 |
Fixed-wing, multi-engine | Heffley Brothers Flying Circus LLC Benbrook, Texas |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N818RM | Beech E-55 |
Fixed-wing, multi-engine | B and D Solutions LLC Billings, Montana |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8477Q | Cessna U206F |
Fixed-wing, single engine | Shoshone Aviation Services LLC Missoula, Montana |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N36968 | Beech F33A |
Fixed-wing, single engine | Msb Aviation LLC Middletown, Delaware |
Standard | 2023-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N48JH | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1730A | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2023-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N209MP | Beech 33 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N528EW | Beech F33A |
Fixed-wing, single engine | Nc Aviator LLC Fuquay Varina, North Carolina |
Standard | 2023-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7089N | Beech 36 |
Fixed-wing, single engine | Air Controls Billings INC Billings, Montana |
Standard | 2023-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2148L | Beech A36 |
Fixed-wing, single engine | L&M Cleared2Land LLC Coral Gables, Florida |
Standard | 2023-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N655B | Beech A35 |
Fixed-wing, single engine | Critical Craft Technologies LLC Charlotte Hall, Maryland |
Standard | 2023-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N147P | Beech F33A |
Fixed-wing, single engine | N147P LLC Wilkesboro, North Carolina |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N155FR | Beech E-55 |
Fixed-wing, multi-engine | Speed Aviation Holdings LLC Lewes, Delaware |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N329RT | Beech V35B |
Fixed-wing, single engine | Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes | |
| N4506S | Beech V35B |
Fixed-wing, single engine | Baghs LLC Fort Lauderdale, Florida |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N51HM | Beech V35 |
Fixed-wing, single engine | Dw Peterson INC Warren, Minnesota |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N608RB | Beech V35A |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N99MK | Beech F33A |
Fixed-wing, single engine | High Mountain Healthcare LLC Blairsville, Georgia |
Standard | 2023-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N744R | Cessna 210L |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2023-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N2902Q | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N74US | Beech A36 |
Fixed-wing, single engine | Two Three Air LLC Orlando, Florida |
Standard | 2023-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N3650A | Beech V35B |
Fixed-wing, single engine | Mcclain Aviation LLC Newark, Delaware |
Standard | 2023-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N36VK | Beech A36 |
Fixed-wing, single engine | Mp3 Aviation LLC Nocona, Texas |
Standard | 2023-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N555LT | Beech A36 |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2023-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N18287 | Beech V35B |
Fixed-wing, single engine | Three Wings Aviation LLC Kalispell, Montana |
Standard | 2023-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3738Q | Beech 95-C55 |
Fixed-wing, multi-engine | Individual owner Arkansas |
Standard | 2023-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N1708W | Beech S35 |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N3JW | Beech S35 |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2023-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N9497M | Cessna 210K |
Fixed-wing, single engine | Jomama Aviation LLC Kalispell, Montana |
Standard | 2023-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N7020N | Beech D55 |
Fixed-wing, multi-engine | Ranchn Air LLC Fort Collins, Colorado |
Standard | 2023-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8187R | Beech V35B |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8422F | Cessna 402 |
Fixed-wing, multi-engine | Individual owner South Carolina |
Standard | 2023-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9429Q | Beech 58 |
Fixed-wing, multi-engine | Buck Hollow Investments LLC Austin, Texas |
Standard | 2023-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5887F | Cessna 210G |
Fixed-wing, single engine | Individual owner Texas |
Special flight permit | 2023-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1887F | Cessna 210F |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2023-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3325Q | Cessna 320D |
Fixed-wing, multi-engine | Winrick LLC Flagstaff, Arizona |
Standard | 2023-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8334Q | Cessna U206F |
Fixed-wing, single engine | Volatile Aero Ventures LLC Boulder City, Nevada |
Standard | 2023-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N126WG | Beech V35B |
Fixed-wing, single engine | N126Wg LLC Oak Brook, Illinois |
Standard | 2023-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N256TE | Cessna U206D |
Fixed-wing, single engine | Timberline Excuvation INC Fairbanks, Alaska |
Standard | 2023-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N849JB | Cessna 421A |
Fixed-wing, multi-engine | Dodson International Parts INC Rantoul, Kansas |
Standard | 2023-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N1362A | Beech V35A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N185JM | Cessna A185E |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2612X | Cessna P206 |
Fixed-wing, single engine | Individual owner Montana |
Multiple | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N334R | Beech F33A |
Fixed-wing, single engine | N566Rw LLC Hensley, Arkansas |
Standard | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3688R | Beech F33A |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3821G | Cessna TU206B |
Fixed-wing, single engine | I Am Alpha & Omega LLC Sparks, Nevada |
Standard | 2023-07-26 | 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.