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 |
|---|---|---|---|---|---|---|
| N6689N | Beech A36 |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2023-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N118TB | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N3950Y | Cessna 210D |
Fixed-wing, single engine | Cape Fear Aviation Maintenance LLC Fayetteville, North Carolina |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N4135S | Beech V35B |
Fixed-wing, single engine | Razzyfish INC Colton, California |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N557CE | Beech 58 |
Fixed-wing, multi-engine | Bce Aviation LLP Lexington, Kentucky |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N735MP | Cessna U206G |
Fixed-wing, single engine | Helms Aviation INC Long Lake, New York |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N900NX | Beech 58 |
Fixed-wing, multi-engine | Alva Family Holdings LLC Fort Denaud, Florida |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1VZ | Beech A36 |
Fixed-wing, single engine | Co-owned owner Ohio |
Standard | 2023-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N897TM | Beech S35 |
Fixed-wing, single engine | Low Approach Only LLC Wilmington, Delaware |
Standard | 2023-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1686M | Cessna A185E |
Fixed-wing, single engine | Terrastar LLC Kalispell, Montana |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N3766Y | Cessna 210D |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8121N | Beech F33A |
Fixed-wing, single engine | Snell Services INC North Platte, Nebraska |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N185ES | Cessna A185E |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2023-10-15 | ValidFAA registration status code V: Valid registration. All codes |
| N8028D | Beech F33A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-10-15 | ValidFAA registration status code V: Valid registration. All codes |
| N3116W | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N3374S | Cessna 210J |
Fixed-wing, single engine | Ccf Ventures INC Bangor, Maine |
Standard | 2023-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N3636A | Beech A36 |
Fixed-wing, single engine | Individual owner Delaware |
Standard | 2023-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9461G | Cessna U206E |
Fixed-wing, single engine | Millionair INC Ferndale, Washington |
Standard | 2023-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N402P | Beech F33A |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2023-10-12 | ValidFAA registration status code V: Valid registration. All codes |
| N453MC | Cessna 210L |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2023-10-12 | ValidFAA registration status code V: Valid registration. All codes |
| N5585Y | Beech F33A |
Fixed-wing, single engine | Blacklock Beech Boys LLC Langlois, Oregon |
Standard | 2023-10-11 | ValidFAA registration status code V: Valid registration. All codes |
| N17639 | Beech A36 |
Fixed-wing, single engine | Peterson Eric S San Jose, California |
Standard | 2023-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N377W | Beech D55 |
Fixed-wing, multi-engine | Bradley Aviation LLC Whiteland, Indiana |
Standard | 2023-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N5343S | Cessna TR182 |
Fixed-wing, single engine | Rayham LLC Oxford, Georgia |
Standard | 2023-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N72337 | Cessna U206D |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N76PL | Cessna 310R |
Fixed-wing, multi-engine | Co-owned owner Maryland |
Standard | 2023-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7938K | Beech S35 |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2023-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4065B | Bellanca 17-30A |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N4121X | Beech A36 |
Fixed-wing, single engine | Signature Remodeling LLC Boonville, Missouri |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N4540 | Beech A36 |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N711ML | Cessna 340 |
Fixed-wing, multi-engine | Co-owned owner West Virginia |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7979M | Beech V35 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N8405Q | Cessna U206F |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2023-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N193LB | Cessna 207 |
Fixed-wing, single engine | Riverway Capital LLC Houston, Texas |
Standard | 2023-10-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5831S | Beech S35 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2023-10-05 | ValidFAA registration status code V: Valid registration. All codes |
| N310MS | Cessna 310R |
Fixed-wing, multi-engine | Conway Completions LLC Conway, Arkansas |
Standard | 2023-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N85WM | Beech F33A |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2023-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N60329 | Beech A36 |
Fixed-wing, single engine | Beech Bumz Aviation LLC Tarpon Springs, Florida |
Standard | 2023-10-03 | ValidFAA registration status code V: Valid registration. All codes |
| N28201 | Bellanca 17-30A |
Fixed-wing, single engine | Viking 28201 LLC El Dorado Hills, California |
Standard | 2023-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N50AW | Cessna A185F |
Fixed-wing, single engine | Lillian Aviation LLC Cypress, Texas |
Standard | 2023-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7879L | Beech V35 |
Fixed-wing, single engine | Cjp Air LLC Mustang, Oklahoma |
Standard | 2023-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9113S | Beech V35B |
Fixed-wing, single engine | Bonanza Flyers of Kansas LLC Stilwell, Kansas |
Standard | 2023-09-28 | ValidFAA registration status code V: Valid registration. All codes |
| N228ZF | Cessna A185F |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2023-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N3707T | Beech 58 |
Fixed-wing, multi-engine | Individual owner California |
Standard | 2023-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8373Q | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8750Z | Cessna A185F |
Fixed-wing, single engine | Arge Aviation LLC Montana City, Montana |
Standard | 2023-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N9792E | Bellanca 17-30A |
Fixed-wing, single engine | Co-owned owner Tennessee |
Standard | 2023-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N133EM | Beech A36 |
Fixed-wing, single engine | Wheels Up LLC Lincoln, Nebraska |
Standard | 2023-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N1470Q | Cessna A185F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2789T | Beech V35 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2023-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8283W | Beech F33A |
Fixed-wing, single engine | Swampair LLC Hillsboro, Oregon |
Standard | 2023-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2777B | Beech E33A |
Fixed-wing, single engine | Hollister Jet Center INC Hollister, California |
Standard | 2023-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N185RS | Cessna A185F |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2023-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N38081 | Beech A36 |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2023-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N161R | Beech 95-C55 |
Fixed-wing, multi-engine | Individual owner Michigan |
Standard | 2023-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1692M | Cessna A185E |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2023-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N20969 | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Montana |
Standard | 2023-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5640K | Beech S35 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2023-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N300RT | Beech A36 |
Fixed-wing, single engine | Choux Aviation LLC Cypress, California |
Standard | 2023-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N51MA | Beech A36 |
Fixed-wing, single engine | Ach Construction & Properties LLC Mount Pleasant, Texas |
Standard | 2023-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N901FJ | Beech V35B |
Fixed-wing, single engine | N901Fj LLC Miami, Florida |
Standard | 2023-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3389M | Beech F33A |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2023-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N3734Q | Beech 95-C55 |
Fixed-wing, multi-engine | International Aviation Industries LLC Kalispell, Montana |
Standard | 2023-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8688Z | Cessna P206C |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N109Q | Beech V35 |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N2CS | Beech V35B |
Fixed-wing, single engine | Individual owner California |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N310AC | Cessna 310R |
Fixed-wing, multi-engine | Co-owned owner Montana |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N3318R | Cessna A185F |
Fixed-wing, single engine | Petersen Family 1999 LLC Anchorage, Alaska |
Multiple | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N3784Y | Cessna 210D |
Fixed-wing, single engine | Qualitair LLC Michelstadt, |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N442RW | Beech E-55 |
Fixed-wing, multi-engine | Individual owner Alabama |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N5371X | Cessna U206G |
Fixed-wing, single engine | Individual owner Maine |
Standard | 2023-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1897E | Beech V35 |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2023-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N116LH | Cessna A188B |
Fixed-wing, single engine | C&L Holzwarth INC Virden, Illinois |
Restricted | 2023-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N5941S | Beech V35 |
Fixed-wing, single engine | Skarco LLC Burlington, Colorado |
Standard | 2023-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N181JP | Beech F33A |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2023-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N39878 | Bellanca 17-30A |
Fixed-wing, single engine | Beckett Aero LLC Roy, Washington |
Standard | 2023-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N4479S | Beech V35B |
Fixed-wing, single engine | N4479S LLC Nashville, Tennessee |
Standard | 2023-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N5539S | Cessna A188 |
Fixed-wing, single engine | Lm Air Patrol Service INC Wink, Texas |
Multiple | 2023-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N9000Q | Beech V35A |
Fixed-wing, single engine | Fog City Flying LLC Dublin, Ohio |
Standard | 2023-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N9999X | Cessna 185 |
Fixed-wing, single engine | Individual owner Alaska |
Restricted | 2023-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N519MQ | Cessna A185F |
Fixed-wing, single engine | Mgnh Services LLC Houlton, Maine |
Standard | 2023-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N626CR | Beech A36 |
Fixed-wing, single engine | Smiles Aviation LLC Kerrville, Texas |
Standard | 2023-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N312CW | Beech 58 |
Fixed-wing, multi-engine | Lb Wings LLC Midland, Michigan |
Standard | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N3370S | Cessna A185F |
Fixed-wing, single engine | Individual owner Kansas |
Experimental | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N7558H | Cessna A185F |
Fixed-wing, single engine | Alaska Bear Safaris LLC Homer, Alaska |
Multiple | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8300Q | Cessna U206F |
Fixed-wing, single engine | Safeco Leasing LLC Port Alsworth, Alaska |
Standard | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N93112 | Cessna 210L |
Fixed-wing, single engine | Strack Air LLC Yorba Linda, California |
Standard | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N44JK | Beech 35-C33A |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2023-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N455D | Beech F33A |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2023-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N422DB | Beech A36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N6666X | Beech 58 |
Fixed-wing, multi-engine | Black Sheep Aviation LLC Palm City, Florida |
Standard | 2023-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N888AE | Beech A36 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2023-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N401WC | Cessna A185F |
Fixed-wing, single engine | Nakochna River Resort LLC Willow, Alaska |
Standard | 2023-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N86BV | Beech F33A |
Fixed-wing, single engine | Mila Air LLC Cincinnati, Ohio |
Standard | 2023-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N9032M | Cessna 210M |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2023-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N1814S | Beech A36 |
Fixed-wing, single engine | United Mobile Auctions Aviation LLC Mooresville, North Carolina |
Standard | 2023-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N185DE | Cessna A185F |
Fixed-wing, single engine | Heritage Construction CO LLC Austin, Texas |
Standard | 2023-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N60TZ | Beech F33A |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2023-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N90MB | Cessna 210L |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2023-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3327S | Cessna 210J |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-09-07 | 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.