Lycoming IO-520 series
49 aircraft on the U.S. register carry a Lycoming IO-520 series engine, rated at about 285 horsepower. The Beechcraft F33 Bonanza is the model most often fitted with it (8 aircraft). The aircraft carrying it were built between 1947 and 2007.
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 Lycoming IO-520 series. FAA spelling: IO-520 SER.
Fitted to model families
Beechcraft F33 Bonanza8Cessna A185 Skywagon7Cessna U206 Stationair7Beechcraft A36 Bonanza4Cessna 3104Beechcraft E-553Beechcraft V35 Bonanza3Cessna 182 Skylane2Piper PA-32 Cherokee Six, Lance and Saratoga2Beechcraft 36 Bonanza1Beechcraft 651Beechcraft 95 Travel Air and Baron 551
Beechcraft F33 Bonanza · Cessna A185 Skywagon · Cessna U206 Stationair · Beechcraft A36 Bonanza · Cessna 310 · Beechcraft E-55 · Beechcraft V35 Bonanza · Cessna 182 Skylane · Piper PA-32 Cherokee Six, Lance and Saratoga · Beechcraft 36 Bonanza
Where they are owner's state
Alaska6Texas4Ohio4Nebraska3North Carolina3Georgia3California3Wisconsin2Washington2Idaho2
Kind of aircraft
Piston singles36 (73%)Piston twins9 (18%)Turboprops4 (8%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming IO-520 series the component layer
The FAA has issued 3 airworthiness directives (orders that owners must comply with) that name this engine series.
FAA orders 3 airworthiness directives · newest first
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2012-02-242012-03-06 · Fuel servo diaphragm · engine
1998-10-1998-17-11 · Crankshafts · engine
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 F33 Bonanza 8 with this engine series
- Cessna A185 Skywagon 7 with this engine series
- Cessna U206 Stationair 7 with this engine series
- Beechcraft A36 Bonanza 4 with this engine series
- Cessna 310 4 with this engine series
- Beechcraft E-55 3 with this engine series
- Beechcraft V35 Bonanza 3 with this engine series
- Cessna 182 Skylane 2 with this engine series
Where they are
- Alaska 6 of these aircraft
- Texas 4 of these aircraft
- Ohio 4 of these aircraft
- Nebraska 3 of these aircraft
- North Carolina 3 of these aircraft
Biggest operators
- Wright Air Service INC 1 of these aircraft
- Southern Aircraft Consultancy INC Trustee 1 of these aircraft
- Saratoga Aviation LLC 1 of these aircraft
Airworthiness
- FAA orders naming the Lycoming IO-520 series 3 airworthiness directives
Analytics
These connections as data: /graph/engine/lycoming-io-520-series.json · about the eFlight graph.
Aircraft newest certificates first · 49
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N23VV | Beech F33A |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2026-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N90HF | Beech F33A |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2026-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N742CH | Piper PA-32-300 |
Fixed-wing, single engine | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-02-19 | ValidFAA registration status code V: Valid registration. All codes |
| N7034E | Beech 65 (LF-23F) |
Fixed-wing, multi-engine | Range View Investments LLC Austin, Texas |
Standard | 2025-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N39RH | Beech E-55 |
Fixed-wing, multi-engine | Olympic View Aircraft LLC University Place, Washington |
Standard | 2025-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N9798Z | Cessna U206G |
Fixed-wing, single engine | Wright Air Service INC Fairbanks, Alaska |
Multiple | 2024-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N332HP | Beech F33A |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2024-02-15 | ValidFAA registration status code V: Valid registration. All codes |
| N267PD | Beech 95-C55 |
Fixed-wing, multi-engine | White Hat Repair LLC Greenleaf, Idaho |
Standard | 2023-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N82903 | Beech F33A |
Fixed-wing, single engine | Nms Air Services LLC Chelmsford, Massachusetts |
Standard | 2023-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N7355C | Beech E-55 |
Fixed-wing, multi-engine | Geneva Laes Aviation LLC Lake Geneva, Wisconsin |
Standard | 2023-06-15 | ValidFAA registration status code V: Valid registration. All codes |
| N915NG | Cessna U206F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2023-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N633AP | Beech F33A |
Fixed-wing, single engine | Gunter Aviation LLC Bainbridge, Georgia |
Standard | 2023-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N132B | Beech E-55 |
Fixed-wing, multi-engine | Mds Flying LLC Deephaven, Minnesota |
Standard | 2023-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N185PM | Cessna A185F |
Fixed-wing, single engine | Moody Bible Institute of Chicago Spokane Valley, Washington |
Standard | 2022-11-26 | ValidFAA registration status code V: Valid registration. All codes |
| N1836R | Cessna A185F |
Fixed-wing, single engine | Bc Properties LLC Anchorage, Alaska |
Multiple | 2022-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N727NE | Cessna U206G |
Fixed-wing, single engine | Deeair LTD Dayton, Ohio |
Standard | 2022-11-19 | ValidFAA registration status code V: Valid registration. All codes |
| N92734 | Oneal J R/Oneal R C EDI EXPRESS |
Fixed-wing, single engine | Individual owner California |
Experimental | 2022-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N180YS | Cessna 182A |
Fixed-wing, single engine | Individual owner California |
Experimental | 2021-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N340CH | Cessna 310R |
Fixed-wing, multi-engine | Aircraft & Aviation Professional LLC Coldwater, Michigan |
Standard | 2021-01-28 | ValidFAA registration status code V: Valid registration. All codes |
| N92WW | Beech F33A |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2020-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N550JR | Beech F33A |
Fixed-wing, single engine | Urban Cowboy Aviation LLC Richland, Nebraska |
Standard | 2020-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N550DD | Piper PA-32R-301 |
Fixed-wing, single engine | Saratoga Aviation LLC Rocky Mount, North Carolina |
Standard | 2019-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7402Q | Cessna U206F |
Fixed-wing, single engine | Richs Alaskan Flying Adventures LLC Wasilla, Alaska |
Standard | 2018-05-21 | ValidFAA registration status code V: Valid registration. All codes |
| N580TF | Cessna 182T |
Fixed-wing, single engine | 1294 Transportation CORP Speonk, New York |
Standard | 2017-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N214DR | Beech V35A |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2017-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N1998V | Cessna U206F |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2017-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9EJ | Beech D-45 |
Fixed-wing, single engine | Dk Air LLC Brookings, Oregon |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8182Z | Cessna 210-5(205) |
Fixed-wing, single engine | Co-owned owner Utah |
Standard | 2016-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N2167Q | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Nebraska |
Standard | 2016-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N388F | Beech F33A |
Fixed-wing, single engine | Mcquillin Transport LLC Lecompte, Louisiana |
Standard | 2015-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N8893H | North American NAVION |
Fixed-wing, single engine | Mac-Mor LTD Mukwonago, Wisconsin |
Standard | 2015-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N30422 | Cessna A185F |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2014-11-13 | ValidFAA registration status code V: Valid registration. All codes |
| N3030S | Beech A36 |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N975R | Beech V35B |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2014-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N6292G | Easter William Craig SEAWIND 3000 |
Fixed-wing, single engine | Individual owner North Carolina |
Experimental | 2014-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N372RV | Raddatz Steven G RV-10 |
Fixed-wing, single engine | Individual owner Alabama |
Experimental | 2013-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N280SW | Cessna U206G |
Fixed-wing, single engine | Katie Investments INC Little Rock, Arkansas |
Standard | 2012-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N757ER | Beech V35 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2006-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N44VK | Cessna 310R |
Fixed-wing, multi-engine | Bates Management INC Woodstock, Georgia |
Standard | 2005-12-02 | ValidFAA registration status code V: Valid registration. All codes |
| N581CP | Cessna A185F |
Fixed-wing, single engine | Rdc Leasing Lc Johnston, Iowa |
Standard | 2003-11-17 | ValidFAA registration status code V: Valid registration. All codes |
| N360PM | Beech A36 |
Fixed-wing, single engine | Bon Aire INC Middlesboro, Kentucky |
Standard | 2003-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N520YH | Cessna A185F |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2003-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N108RK | Beech A36 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2002-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N19MT | Beech A36 |
Fixed-wing, single engine | Daviation INC Willoughby, Ohio |
Standard | 2002-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7806S | Cessna U206G |
Fixed-wing, single engine | Aeroquest LLC Plano, Texas |
Standard | 2002-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N811N | Cessna 310R |
Fixed-wing, multi-engine | Individual owner Pennsylvania |
Standard | 2002-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N7500N | Beech 36 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2001-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8446Q | Cessna A185F |
Fixed-wing, single engine | Co-owned owner Alaska |
Restricted | 1988-12-02 | ValidFAA registration status code V: Valid registration. All codes |
| N36846 | Cessna 310R |
Fixed-wing, multi-engine | Armbruster LLC Amherst, Ohio |
Standard | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.