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 |
|---|---|---|---|---|---|---|
| N4759Q | Cessna A185E |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N6642V | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Wyoming |
Standard | 2024-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9177G | Cessna U206G |
Fixed-wing, single engine | Flyin W Ranch LLC Billings, Montana |
Standard | 2024-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N12DK | Beech 95-C55 |
Fixed-wing, multi-engine | Co-owned owner Arizona |
Standard | 2024-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N28054 | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2024-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4HE | Beech 58 |
Fixed-wing, multi-engine | South Florida Aerobatics LLC West Palm Beach, Florida |
Standard | 2024-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N5599P | Beech F33A |
Fixed-wing, single engine | Ad Ventures LLC Camden, Delaware |
Standard | 2024-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2050Z | Beech V35B |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N210WL | Cessna 210N |
Fixed-wing, single engine | Bskt210 LLC Hartsville, South Carolina |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N4750Q | Cessna A185E |
Fixed-wing, single engine | Delaware C Plane INC Wilmington, Delaware |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7444S | Beech V35A |
Fixed-wing, single engine | Blkbrdz LLC Grand Ledge, Michigan |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N93030 | Cessna A185F |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N9432Q | Beech A36 |
Fixed-wing, single engine | Knh LLC Bozeman, Montana |
Standard | 2024-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N23CC | Cessna A185E |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2024-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N3704Q | Beech V35 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2024-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N4557F | Cessna A185E |
Fixed-wing, single engine | Co-owned owner Maine |
Standard | 2024-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N60357 | Beech A36 |
Fixed-wing, single engine | Central Flying Service LLC Little Rock, Arkansas |
Standard | 2024-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N142HG | Beech V35A |
Fixed-wing, single engine | N142Hg LLC Manhasset, New York |
Standard | 2024-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N3099W | Beech V35B |
Fixed-wing, single engine | Co-owned owner Ohio |
Standard | 2024-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1591W | Beech F33A |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2024-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N1677R | Cessna A185F |
Fixed-wing, single engine | Yarger Denim B Laurel, Montana |
Standard | 2024-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N4968U | Cessna 210E |
Fixed-wing, single engine | Co-owned owner Alabama |
Standard | 2024-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N829E | Cessna 401A |
Fixed-wing, multi-engine | Individual owner Missouri |
Standard | 2024-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N6824Q | Beech S35 |
Fixed-wing, single engine | Bartholomew and Associates Realty INC II Edmond, Oklahoma |
Standard | 2024-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N860T | Beech S35 |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2024-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5036M | Beech A36 |
Fixed-wing, single engine | 66Ee LLC Santa Barbara, California |
Standard | 2024-12-04 | ValidFAA registration status code V: Valid registration. All codes |
| N2020A | Beech F33A |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2024-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N28085 | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2024-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N588D | Beech 95-C55 |
Fixed-wing, multi-engine | 588 Delta LLC Seminole, Oklahoma |
Standard | 2024-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9286R | Cessna A188B |
Fixed-wing, single engine | Wiebe Aerial Applications LLC Peabody, Kansas |
Restricted | 2024-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N18304 | Beech V35B |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2024-11-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8428N | Beech V35A |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2024-11-26 | ValidFAA registration status code V: Valid registration. All codes |
| N323GB | Beech A36 |
Fixed-wing, single engine | Gs Aviation LLC Lebanon, Tennessee |
Standard | 2024-11-25 | ValidFAA registration status code V: Valid registration. All codes |
| N5832K | Beech S35 |
Fixed-wing, single engine | Sutton Sean A Fort Lauderdale, Florida |
Standard | 2024-11-25 | ValidFAA registration status code V: Valid registration. All codes |
| N9460S | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-11-23 | ValidFAA registration status code V: Valid registration. All codes |
| N9943Z | Cessna U206G |
Fixed-wing, single engine | State of Maine Department of Agriculture Old Town, Maine |
Standard | 2024-11-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4584S | Beech A36 |
Fixed-wing, single engine | Ad Astra Aviation LLC Shawnee, Kansas |
Standard | 2024-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N776WC | Beech 58 |
Fixed-wing, multi-engine | Wingtip Corporation Valparaiso, Indiana |
Standard | 2024-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N2890W | Beech V35B |
Fixed-wing, single engine | Albatross Aviation LLC Lakeville, Ohio |
Standard | 2024-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N602DK | Beech 95-C55 |
Fixed-wing, multi-engine | Gingerjet LLC Boca Raton, Florida |
Standard | 2024-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N2048B | Beech A36 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2024-11-18 | ValidFAA registration status code V: Valid registration. All codes |
| N207CZ | Cessna 207 |
Fixed-wing, single engine | Big Sky Aviation INC Wilmington, Delaware |
Standard | 2024-11-18 | ValidFAA registration status code V: Valid registration. All codes |
| N2613S | Cessna 210L |
Fixed-wing, single engine | Low Wing Aviation LLC Mountain Home, Arkansas |
Standard | 2024-11-18 | ValidFAA registration status code V: Valid registration. All codes |
| N2559X | Cessna P206 |
Fixed-wing, single engine | Element Building Solutions INC Murphys, California |
Standard | 2024-11-16 | ValidFAA registration status code V: Valid registration. All codes |
| N311PJ | Beech F33A |
Fixed-wing, single engine | Co-owned owner Ohio |
Standard | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N3947Y | Cessna 210D |
Fixed-wing, single engine | Rafter Jm Enterprises LLC Swink, Oklahoma |
Standard | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N401SU | Cessna U206F |
Fixed-wing, single engine | Wright Air Service INC Fairbanks, Alaska |
Standard | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N6679X | Beech A36 |
Fixed-wing, single engine | Elite Aviation Group LLC Pasco, Washington |
Standard | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N747VV | Beech 95-C55 |
Fixed-wing, multi-engine | Jk Aero LLC Altenburg, Missouri |
Standard | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N4619M | Beech 58 |
Fixed-wing, multi-engine | Nfv LLC Helena, Montana |
Standard | 2024-11-13 | ValidFAA registration status code V: Valid registration. All codes |
| N3478Q | Cessna 320E |
Fixed-wing, multi-engine | Csc Aviation LLC Parker, Colorado |
Standard | 2024-11-12 | ValidFAA registration status code V: Valid registration. All codes |
| N242JB | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2024-11-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3372S | Cessna 210J |
Fixed-wing, single engine | Bmf Services USA LLC Satellite Beach, Florida |
Standard | 2024-11-08 | ValidFAA registration status code V: Valid registration. All codes |
| N37050 | Beech F33A |
Fixed-wing, single engine | F33A Partners LLC Holderness, New Hampshire |
Standard | 2024-11-08 | ValidFAA registration status code V: Valid registration. All codes |
| N9469G | Cessna U206E |
Fixed-wing, single engine | Golf Tango Air Racing LLC Ephrata, Washington |
Standard | 2024-11-07 | ValidFAA registration status code V: Valid registration. All codes |
| N1440R | Beech 95-C55 |
Fixed-wing, multi-engine | 39A LLC Sioux Falls, South Dakota |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N1877F | Cessna 210F |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N373EB | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7915R | Beech V35A |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9473Q | Beech A36 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2024-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N173T | Beech V35 |
Fixed-wing, single engine | Co-owned owner South Dakota |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N197Q | Beech S35 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N4321E | Beech V35A |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N4875J | Beech 35-C33A |
Fixed-wing, single engine | Beech Bound Aviation LLC Bartlett, Tennessee |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5637S | Beech V35 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N977GG | Cessna U206G |
Fixed-wing, single engine | Ads Logistics LLC Twin Falls, Idaho |
Standard | 2024-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2677S | Bellanca 17-30A |
Fixed-wing, single engine | T&D Janitorial Services LLC Dexter, Missouri |
Standard | 2024-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N39893 | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2024-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N822S | Beech S35 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2024-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N4579F | Cessna A185E |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2024-11-01 | ValidFAA registration status code V: Valid registration. All codes |
| N58466 | Cessna U206F |
Fixed-wing, single engine | Aerial Transport LLC Dover, Delaware |
Standard | 2024-11-01 | ValidFAA registration status code V: Valid registration. All codes |
| N936V | Beech A36 |
Fixed-wing, single engine | N936V LLC Knoxville, Tennessee |
Standard | 2024-11-01 | ValidFAA registration status code V: Valid registration. All codes |
| N2035P | Beech V35B |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-10-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4752Q | Cessna A185F |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2024-10-31 | ValidFAA registration status code V: Valid registration. All codes |
| N1222M | Beech V35 |
Fixed-wing, single engine | Co-owned owner Iowa |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N310WS | Cessna 310R |
Fixed-wing, multi-engine | N310Ws LLC Athens, Alabama |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N364BF | Beech A36 |
Fixed-wing, single engine | Flying B Partners LLC Wichita, Kansas |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N36GN | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N725AP | Beech V35B |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8137R | Beech V35B |
Fixed-wing, single engine | Westdale Aviation LLC Shreveport, Louisiana |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N3385L | Cessna A185E |
Fixed-wing, single engine | Tonka Seaplanes LLC Minnetonka, Minnesota |
Standard | 2024-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N756T | Beech V35B |
Fixed-wing, single engine | N756T LLC North Royalton, Ohio |
Standard | 2024-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N93814 | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9481S | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2024-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N12711 | Beech K35 |
Fixed-wing, single engine | Co-owned owner Maryland |
Standard | 2024-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N5402U | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2024-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N236M | Meyers Industries Inc 200D |
Fixed-wing, single engine | Individual owner Wyoming |
Standard | 2024-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N761FH | Cessna 210M |
Fixed-wing, single engine | Bar W Assets LLC Elberta, Alabama |
Standard | 2024-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3075Y | Cessna 210N |
Fixed-wing, single engine | Air Eagle LLC Rome, Georgia |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N4948C | Cessna A185F |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N55KP | Beech V35B |
Fixed-wing, single engine | Jm Waypoint LLC Fresno, California |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N624MT | Cessna 210M |
Fixed-wing, single engine | Jcct Holdings LLC Plano, Texas |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8367N | Beech V35A |
Fixed-wing, single engine | Search Septic Bailey, Colorado |
Standard | 2024-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N303SA | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N185TD | Cessna A185F |
Fixed-wing, single engine | Hagl Aviation LLC Sunray, Texas |
Standard | 2024-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9412Z | Cessna U206G |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2024-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N212V | Beech V35B |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2024-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N302ST | Cessna T210H |
Fixed-wing, single engine | Management Support Services LLC Naturita, Colorado |
Standard | 2024-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N6249Q | Cessna 401A |
Fixed-wing, multi-engine | Individual owner Wisconsin |
Standard | 2024-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N3897Y | Cessna 210D |
Fixed-wing, single engine | Hmw LLC Wilmington, Delaware |
Standard | 2024-10-18 | 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.