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 |
|---|---|---|---|---|---|---|
| N5QB | Beech V35B |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2002-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N9415S | Beech 95-C55 |
Fixed-wing, multi-engine | Wasson-Ece Instrumentation Fort Collins, Colorado |
Standard | 2002-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N39TF | Beech F33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2002-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N2522T | Navion NAVION H |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2002-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N2843W | Beech V35B |
Fixed-wing, single engine | J & L Equipment Sales & Rental LLC Andersonville, Tennessee |
Standard | 2002-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N2693K | Beech F33A |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2002-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N368HP | Beech A36 |
Fixed-wing, single engine | High Performance Aircraft INC El Cajon, California |
Standard | 2002-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N85JS | Beech F33A |
Fixed-wing, single engine | 85 Juliet Sierra LLC Chico, California |
Standard | 2002-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8496Q | Cessna U206F |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2002-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N102BN | Cessna U206G |
Fixed-wing, single engine | Delta State University Cleveland, Mississippi |
Standard | 2002-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3891Y | Cessna 210D |
Fixed-wing, single engine | Individual owner California |
Standard | 2002-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N6860Q | Beech S35 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2002-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4362W | Beech A36 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2002-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N84R | Beech A36 |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2002-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N2773T | Beech 95-C55 |
Fixed-wing, multi-engine | Individual owner California |
Standard | 2002-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N160U | Beech E33C |
Fixed-wing, single engine | Crane Rental Service INC Tempe, Arizona |
Standard | 2002-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N88TP | Beech 36 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2002-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N416D | Beech 58 |
Fixed-wing, multi-engine | Mcginnis Aviation LLC Kentwood, Michigan |
Standard | 2002-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N84AK | Beech A36 |
Fixed-wing, single engine | Metro Aviation INC Shreveport, Louisiana |
Standard | 2002-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N87RW | Cessna U206C |
Fixed-wing, single engine | Sunward CORP Denver, Colorado |
Standard | 2002-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N899RB | Beech F33A |
Fixed-wing, single engine | Individual owner New York |
Standard | 2002-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N4053B | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2002-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N669RP | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2002-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N744T | Beech E-55 |
Fixed-wing, multi-engine | Individual owner Kentucky |
Standard | 2002-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N858TC | Beech 58TC |
Fixed-wing, multi-engine | H2 Transportation LLC Macon, Georgia |
Standard | 2002-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N262AP | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2002-07-02 | ValidFAA registration status code V: Valid registration. All codes |
| N41FR | Beech A36 |
Fixed-wing, single engine | Oplnet LLC Arlington, Virginia |
Standard | 2002-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N4317W | Beech V35B |
Fixed-wing, single engine | Individual owner California |
Standard | 2002-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N94018 | Cessna 210L |
Fixed-wing, single engine | Northern Air Transport INC Mora, Minnesota |
Standard | 2002-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N9418Q | Beech A36 |
Fixed-wing, single engine | Bonanza Partners LLC Taos Ski Valley, New Mexico |
Standard | 2002-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N18521 | Cessna A185F |
Fixed-wing, single engine | Island Air LLC Eagan, Minnesota |
Standard | 2002-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N210SY | Cessna 210N |
Fixed-wing, single engine | Bluegrass Air Systems LLC Nicholasville, Kentucky |
Standard | 2002-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N2024G | Beech V35B |
Fixed-wing, single engine | Co-owned owner Oregon |
Standard | 2002-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8018V | Cessna A188 |
Fixed-wing, single engine | Light Flight LTD Lehighton, Pennsylvania |
Standard | 2002-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N999KA | Beech V35A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2002-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5630S | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2002-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8903U | Beech S35 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2002-05-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5298U | Cessna U206 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2002-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7247N | Cessna U206G |
Fixed-wing, single engine | Individual owner New York |
Standard | 2002-05-16 | ValidFAA registration status code V: Valid registration. All codes |
| N7378R | Beech F33A |
Fixed-wing, single engine | Larson Aviation LLC Waukegan, Illinois |
Standard | 2002-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N185JD | Cessna A185F |
Fixed-wing, single engine | Padden Geary L Duluth, Minnesota |
Standard | 2002-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N14JP | Beech F33C |
Fixed-wing, single engine | Dakota Aircraft INC Pierre, South Dakota |
Standard | 2002-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N1757G | Beech 95-C55 |
Fixed-wing, multi-engine | Matrix Aviation INC Ponte Vedra Beach, Florida |
Standard | 2002-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N236CH | Beech A36 |
Fixed-wing, single engine | Gta Air INC Addison, Texas |
Standard | 2002-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N44GN | Beech F33A |
Fixed-wing, single engine | Individual owner California |
Standard | 2002-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N53211 | Cessna A188B |
Fixed-wing, single engine | Anderson Aerial Spraying Service INC Canby, Minnesota |
Restricted | 2002-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9486R | Cessna A188B |
Fixed-wing, single engine | Anderson Aerial Spraying Serv INC Canby, Minnesota |
Restricted | 2002-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N185WX | Cessna A185F |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2002-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N268R | Beech A36 |
Fixed-wing, single engine | Kalhart Transportation Services INC Rancho Santa Fe, California |
Standard | 2002-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N5001R | Cessna A185F |
Fixed-wing, single engine | Le Conte LLC Anchorage, Alaska |
Standard | 2002-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N136CW | Beech A36 |
Fixed-wing, single engine | Cdh Properties LLC Oklahoma City, Oklahoma |
Standard | 2002-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N2492S | Cessna T210L |
Fixed-wing, single engine | Sierra Hotel Aircraft LLC Wilmington, Delaware |
Standard | 2002-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N29HP | Beech A36 |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2002-03-25 | ValidFAA registration status code V: Valid registration. All codes |
| N5179U | Cessna 206 |
Fixed-wing, single engine | Power Flight LLC Las Vegas, Nevada |
Standard | 2002-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1728R | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Minnesota |
Multiple | 2002-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N82BT | Tonner Brian P CA6-WB |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2002-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8344N | Beech E33A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2002-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N119AC | Beech 58 |
Fixed-wing, multi-engine | Individual owner Florida |
Standard | 2002-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N1559F | Cessna 185D |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2002-02-20 | ValidFAA registration status code V: Valid registration. All codes |
| N429DL | Cessna 210L |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2002-02-19 | ValidFAA registration status code V: Valid registration. All codes |
| N460CC | Cessna A185E |
Fixed-wing, single engine | American Falconry INC Dayton, Wyoming |
Standard | 2002-02-19 | ValidFAA registration status code V: Valid registration. All codes |
| N9067Q | Beech V35B |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2002-02-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8932U | Beech S35 |
Fixed-wing, single engine | S35 Aviation LLC Lakeland, Florida |
Standard | 2002-02-05 | ValidFAA registration status code V: Valid registration. All codes |
| N44SP | Beech E-55 |
Fixed-wing, multi-engine | Awh Ventures INC Houston, Texas |
Standard | 2002-01-29 | ValidFAA registration status code V: Valid registration. All codes |
| N38175 | Beech F33A |
Fixed-wing, single engine | Fhg Springbrook CORP Wilmington, Delaware |
Standard | 2002-01-28 | ValidFAA registration status code V: Valid registration. All codes |
| N9787E | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner California |
Standard | 2002-01-16 | ValidFAA registration status code V: Valid registration. All codes |
| N7309V | Bellanca 17-30 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2002-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N13297 | Cessna 180K |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2001-11-30 | ValidFAA registration status code V: Valid registration. All codes |
| N562U | Beech D55 |
Fixed-wing, multi-engine | Sua LLC Artesia, New Mexico |
Standard | 2001-11-30 | ValidFAA registration status code V: Valid registration. All codes |
| N7504N | Beech 36 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2001-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N732BH | Cessna 210L |
Fixed-wing, single engine | Seven Eagles Aviation Lc Gainesville, Florida |
Standard | 2001-11-19 | ValidFAA registration status code V: Valid registration. All codes |
| N415JL | Beech A36 |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2001-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N777JM | Beech V35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4241B | Bellanca 17-30A |
Fixed-wing, single engine | Bor-It Mfg CO INC Ashland, Ohio |
Standard | 2001-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9317W | Cessna U206 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6152F | Cessna 210H |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2001-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N93098 | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Restricted | 2001-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N401AT | Cessna 401 |
Fixed-wing, multi-engine | Individual owner Texas |
Standard | 2001-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2LH | Beech F33A |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2001-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N18462 | Beech A36 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2001-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N259T | Beech V35A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N139TA | Beech V35B |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2001-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N310RD | Cessna 310R |
Fixed-wing, multi-engine | Southern Illinois University Board of Trustee Murphysboro, Illinois |
Standard | 2001-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N459CC | Cessna 185E |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2001-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N29151 | Cessna TU206C |
Fixed-wing, single engine | Inland Aerial Surveys INC Riverside, California |
Standard | 2001-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N5745V | Beech V35 |
Fixed-wing, single engine | Bonanza N5745V LLC Colorado Springs, Colorado |
Standard | 2001-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N207VW | Cessna 207 |
Fixed-wing, single engine | Vanderwel Mark e Monroe, Washington |
Standard | 2001-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N4739F | Cessna P206B |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2001-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N4626F | Cessna P206A |
Fixed-wing, single engine | Krumpe Brothers LLC Hagerstown, Maryland |
Standard | 2001-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N28189 | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2001-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N926LT | Cessna A188 |
Fixed-wing, single engine | Individual owner South Dakota |
Multiple | 2001-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N8826M | Beech S35 |
Fixed-wing, single engine | Aeolus LLC Portland, Maine |
Standard | 2001-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N8374Q | Cessna U206F |
Fixed-wing, single engine | 8374Q LLC Gig Harbor, Washington |
Standard | 2001-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N5698K | Beech S35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N5931S | Beech V35 |
Fixed-wing, single engine | Renton Flyers INC Woodinville, Washington |
Standard | 2001-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N6321X | Beech A36 |
Fixed-wing, single engine | Lee Aero LLC Wichita, Kansas |
Standard | 2001-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N9431S | Beech V35 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N205NR | Cessna A185F |
Fixed-wing, single engine | State of Minnesota Grand Rapids, Minnesota |
Standard | 2001-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N827EB | Beech 58 |
Fixed-wing, multi-engine | Ebor Management INC Alpharetta, Georgia |
Special flight permit | 2001-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N185TK | Cessna A185F |
Fixed-wing, single engine | Individual owner California |
Standard | 2001-08-01 | 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.
