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
Model families, as a table
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
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Piston singles | 7,845 | 83% |
| Piston twins | 1,371 | 14% |
| Turboprops | 268 | 3% |
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
Failure reports 465 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 15 |
| 96 | 2 |
| 97 | 1 |
| 98 | 1 |
| 99 | 5 |
| 00 | 37 |
| 01 | 48 |
| 02 | 58 |
| 03 | 46 |
| 04 | 35 |
| 05 | 62 |
| 06 | 17 |
| 07 | 18 |
| 08 | 17 |
| 09 | 10 |
| 10 | 20 |
| 11 | 15 |
| 12 | 13 |
| 13 | 9 |
| 14 | 10 |
| 15 | 12 |
| 16 | 4 |
| 17 | 2 |
| 18 | 1 |
| 19 | 2 |
| 20 | 2 |
| 22 | 1 |
| 24 | 2 |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Cylinder | 26 |
| Cylinder Head | 25 |
| Relay | 20 |
| Hub | 14 |
| Circuit Breaker | 13 |
| Antenna | 12 |
| Line | 12 |
| Bolt | 10 |
| Bracket | 9 |
| Control Cable | 9 |
Latest reports
Certificates and bulletins
Safety bulletins 11 · advice, not orders
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
- 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
- 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
- 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
- FAA orders naming the Continental IO-520 series 30 airworthiness directives
- Failure reports on the Continental IO-520 series 465 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/continental-io-520-series.json.
Aircraft newest certificates first · 9,484
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N4955Y | Cessna 210N |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2001-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N756JG | Cessna U206G |
Fixed-wing, single engine | Neal J Mckenny CORP INC Fortuna, California |
Standard | 2001-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N999FB | Beech A36 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2001-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5844S | Beech S35 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2001-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8253C | Beech F33A |
Fixed-wing, single engine | Al Stevens Construction LLC Overland Park, Kansas |
Standard | 2001-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N17RE | Beech F33A |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2001-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N61298 | Cessna A185F |
Fixed-wing, single engine | Arizona Game and Fish Department Phoenix, Arizona |
Standard | 2001-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7792R | Beech E33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2001-07-20 | ValidFAA registration status code V: Valid registration. All codes |
| N85AJ | Cessna A185F |
Fixed-wing, single engine | Bha Leasing INC South Portland, Maine |
Standard | 2001-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N49MD | Beech 95-C55 |
Fixed-wing, multi-engine | Individual owner Arizona |
Standard | 2001-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8229M | Cessna 210K |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2001-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N66849 | Beech 58 |
Fixed-wing, multi-engine | Hawk Aircraft Sales and Leasing LLC Sterling Heights, Michigan |
Standard | 2001-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1338G | Cessna 310R |
Fixed-wing, multi-engine | Wings Air Charter LLC Wisconsin Rapids, Wisconsin |
Standard | 2001-06-15 | ValidFAA registration status code V: Valid registration. All codes |
| N375PW | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2001-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1748U | Cessna 207 |
Fixed-wing, single engine | Iliamna Air Taxi INC Iliamna, Alaska |
Standard | 2001-06-11 | ValidFAA registration status code V: Valid registration. All codes |
| N587PD | Beech F33A |
Fixed-wing, single engine | Turbulence INC Wilmington, Delaware |
Standard | 2001-06-07 | ValidFAA registration status code V: Valid registration. All codes |
| N11179 | Cessna A185F |
Fixed-wing, single engine | Individual owner California |
Standard | 2001-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N7392R | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N7888S | Beech F33A |
Fixed-wing, single engine | Hangar One Lc Clear Lake, Iowa |
Standard | 2001-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N17US | Beech A36 |
Fixed-wing, single engine | Marmac INC Hellertown, Pennsylvania |
Standard | 2001-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N983GT | Beech F33A |
Fixed-wing, single engine | One Echo Romeo INC Sandy Springs, Georgia |
Standard | 2001-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N9288Q | Beech A36 |
Fixed-wing, single engine | Individual owner California |
Standard | 2001-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N4417W | Beech A36 |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2001-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N24BE | Beech A36 |
Fixed-wing, single engine | Mystic Knights of the Air Lodge INC Canton, Mississippi |
Standard | 2001-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8216J | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2001-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N66WC | Beech V35B |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2001-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N234JE | Beech F33A |
Fixed-wing, single engine | Aimrich Enterprises Wilmington, Delaware |
Standard | 2001-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N511JB | Cessna A185F |
Fixed-wing, single engine | Plp Aircraft Classics LLC Wilmington, Delaware |
Standard | 2001-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N1373F | Cessna A185F |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N3685Y | Cessna 210C |
Fixed-wing, single engine | Individual owner California |
Experimental | 2001-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N60617 | Cessna 210L |
Fixed-wing, single engine | Individual owner New York |
Standard | 2001-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N111MA | Beech E-55 |
Fixed-wing, multi-engine | Aero Quest INC Brooklyn, New York |
Standard | 2001-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N142CT | Cessna 310R |
Fixed-wing, multi-engine | Individual owner Indiana |
Standard | 2001-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N1687W | Beech A36 |
Fixed-wing, single engine | Airway Management INC Wilmington, Delaware |
Standard | 2001-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4685F | Cessna P206A |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2001-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N777CZ | Beech E-55 |
Fixed-wing, multi-engine | Individual owner Mississippi |
Standard | 2001-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N9045Q | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N206PB | Cessna U206G |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2001-02-16 | ValidFAA registration status code V: Valid registration. All codes |
| N9405R | Cessna U206G |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2001-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N113JL | Beech V35 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2001-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3358A | Beech V35A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-01-31 | ValidFAA registration status code V: Valid registration. All codes |
| N1285F | Cessna A185F |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2001-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N9020V | Beech E-55 |
Fixed-wing, multi-engine | Individual owner Wisconsin |
Standard | 2001-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N281RC | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner North Dakota |
Standard | 2001-01-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8602Q | Beech S35 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2001-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N754P | Beech A36 |
Fixed-wing, single engine | Mid Continent Harley Davidson INC Wichita, Kansas |
Standard | 2000-12-16 | ValidFAA registration status code V: Valid registration. All codes |
| N4133B | Bellanca 17-30A |
Fixed-wing, single engine | Machinerywatch.Com INC Louisa, Virginia |
Standard | 2000-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N6555Y | Cessna 210N |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2000-12-08 | ValidFAA registration status code V: Valid registration. All codes |
| N6840Q | Beech S35 |
Fixed-wing, single engine | Idell Enterprises LLC Wilmington, Delaware |
Standard | 2000-12-04 | ValidFAA registration status code V: Valid registration. All codes |
| N61919 | Cessna A185F |
Fixed-wing, single engine | Tailspin LLC Belle Chasse, Louisiana |
Standard | 2000-11-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2061A | Beech A36 |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2000-11-27 | ValidFAA registration status code V: Valid registration. All codes |
| N85FS | Beech 58 |
Fixed-wing, multi-engine | 7353R CO Partnership Pottstown, Pennsylvania |
Standard | 2000-11-27 | ValidFAA registration status code V: Valid registration. All codes |
| N178Q | Beech S35 |
Fixed-wing, single engine | Rega Consulting INC Port Orange, Florida |
Standard | 2000-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N3868Q | Cessna A185F |
Fixed-wing, single engine | Libbys Sporting Camps INC Chapman, Maine |
Standard | 2000-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6067S | Beech F33A |
Fixed-wing, single engine | Canterbury Ventures LLC Litchfield Park, Arizona |
Standard | 2000-11-03 | ValidFAA registration status code V: Valid registration. All codes |
| N6745M | Beech 58 |
Fixed-wing, multi-engine | Perkins Communication LLC Northport, Alabama |
Standard | 2000-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N70341 | Cessna A185F |
Fixed-wing, single engine | Michels LLC Wasilla, Alaska |
Standard | 2000-10-27 | ValidFAA registration status code V: Valid registration. All codes |
| N70091 | Cessna A185E |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2000-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N1926Q | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2000-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N334JD | Beech F33A |
Fixed-wing, single engine | Golden Bear Properties LLC Lakeside, Arizona |
Standard | 2000-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N20AC | Beech V35B |
Fixed-wing, single engine | Owen Ray L Los Gatos, California |
Standard | 2000-09-28 | ValidFAA registration status code V: Valid registration. All codes |
| N4830V | Bellanca 17-30 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2000-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N123RL | Aero Commander 200D |
Fixed-wing, single engine | Individual owner New York |
Standard | 2000-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5494E | Cessna A185F |
Fixed-wing, single engine | Bloom William K Wrangell, Alaska |
Standard | 2000-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N70DW | Beech S35 |
Fixed-wing, single engine | Clear Skies LLC Jacksonville, Florida |
Standard | 2000-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N178VV | Cessna A185E |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2000-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N3838G | Cessna U206B |
Fixed-wing, single engine | Golden Eagle Outfitters INC Delta Junction, Alaska |
Standard | 2000-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N54TC | Beech F33A |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2000-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N6238V | Beech V35 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2000-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N84735 | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2000-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N1541F | Cessna 185D |
Fixed-wing, single engine | Rwr Air INC Tok, Alaska |
Multiple | 2000-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N826RS | Beech V35B |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2000-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N31074 | Beech F33A |
Fixed-wing, single engine | Hale Aviation INC Saint Augustine, Florida |
Standard | 2000-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N731KW | Cessna A188B |
Fixed-wing, single engine | Individual owner North Carolina |
Restricted | 2000-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N14XM | Beech 58 |
Fixed-wing, multi-engine | Medical Diagnostic Imaging INC Sacramento, California |
Standard | 2000-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N82JT | Beech S35 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2000-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N45PT | Beech 58 |
Fixed-wing, multi-engine | Individual owner Colorado |
Standard | 2000-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N12Q | Cessna 401 |
Fixed-wing, multi-engine | Individual owner Texas |
Standard | 2000-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N78DB | Beech 58 |
Fixed-wing, multi-engine | Greenbrier Aviation LLC Sevierville, Tennessee |
Standard | 2000-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N88KS | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2000-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N468MS | Cessna 210N |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2000-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N4819Q | Cessna A188B |
Fixed-wing, single engine | Individual owner Texas |
Restricted | 2000-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N112MH | Beech A36 |
Fixed-wing, single engine | Jsi Contractors INC San Antonio, Texas |
Standard | 2000-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N18MJ | Beech A36 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2000-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N1688W | Beech V35B |
Fixed-wing, single engine | Djm Investments INC Menno, South Dakota |
Standard | 2000-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N33EJ | Beech F33A |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2000-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4878Q | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2000-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N6180C | Cessna 310R |
Fixed-wing, multi-engine | Board of Trustees of Southern Illinois University Murphysboro, Illinois |
Standard | 2000-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N975QC | Beech V35B |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2000-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N1234Y | Cessna A185F |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2000-07-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4934E | Cessna A185F |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2000-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N222RZ | Beech 58 |
Fixed-wing, multi-engine | P & M Reis Trucking INC Nantucket, Massachusetts |
Standard | 2000-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N72395 | Cessna U206D |
Fixed-wing, single engine | Orion Works LTD Denali Park, Alaska |
Restricted | 2000-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5277V | Cessna 210L |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2000-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N957DF | Cessna A185F |
Fixed-wing, single engine | Northern Flight Expeditions LLC Hopkins, Minnesota |
Standard | 2000-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N2359F | Cessna 210E |
Fixed-wing, single engine | Co-owned owner Idaho |
Standard | 2000-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N896SA | Cessna 210K |
Fixed-wing, single engine | Switlik Aviation Maintenance INC Fort Myers, Florida |
Standard | 2000-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8KW | Beech V35B |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2000-06-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7543N | Beech 36 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2000-06-07 | ValidFAA registration status code V: Valid registration. All codes |
| N17TC | Cessna 210D |
Fixed-wing, single engine | Co-owned owner Arkansas |
Standard | 2000-06-06 | 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.
