Engines · piston (reciprocating) · data as of October 5, 2026

Continental E185 series

1,109 aircraft on the U.S. register carry a Continental E185 series engine, rated at about 205 horsepower. The Beechcraft 35 Bonanza and Debonair is the model most often fitted with it (233 aircraft). The aircraft carrying it were built between 1946 and 1972.

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 E185 series. FAA spelling: E185 SERIES.

Fitted to model families

Beechcraft 35 Bonanza and Debonair233Beechcraft C35136Beechcraft A35124North American NAVION123Ryan NAVION111Beechcraft B3599Beechcraft D3578Ryan NAVION A59Navion NAVION A57North American NAVION A28Luscombe 1117Cessna 1508

Beechcraft 35 Bonanza and Debonair · Beechcraft C35 · Beechcraft A35 · North American NAVION · Ryan NAVION · Beechcraft B35 · Beechcraft D35 · Ryan NAVION A · Navion NAVION A · North American NAVION A

Where they are owner's state

Texas141California109Florida65Washington56Ohio46Tennessee37Missouri35Arizona35Colorado32Oklahoma31

Kind of aircraft

Piston singles1,109 (100%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Continental E185 series the component layer

The design is held under 1 type certificate (E-246, held by Continental Aerospace Technologies, INC.). The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 9 failure reports with the FAA since 1995, 1 of them in the last ten years.

FAA orders 7 airworthiness directives · newest first

1997-10-2797-21-02 · Cylinders · engine

1969-12-3163-15-01 · Exhaust Valves · engine

51-26-03 · Valve Lifters · engine

56-06-01 · Piston Pin Assembly · engine

60-06-04 · Generator Drive Gear · engine

60-12-01 · Piston Pins · engine

All orders naming the Continental E185 series

Failure reports 9 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Fitting2Crankcase1Gasket1Landing Gear1Light1Link1Seat1Support1

Latest reports

2020-12-22Crankcase: cracked

2010-06-15Support: cracked

2007-05-16Seat: cracked

2006-07-27Landing Gear: collapsed

2006-03-15Fitting: cracked

Certificates and bulletins

E-246Type certificate held by Continental Aerospace Technologies, INC. · 11 models listed · revised September 19, 2022

Safety bulletins 2 · advice, not orders

2016-03-08NE-16-13 · Powerplant - Prohibited use of sealant

2012-10-31NE-13-04 · Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection

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 35 Bonanza and Debonair 233 with this engine series
Beechcraft C35 136 with this engine series
Beechcraft A35 124 with this engine series
North American NAVION 123 with this engine series
Ryan NAVION 111 with this engine series
Beechcraft B35 99 with this engine series
Beechcraft D35 78 with this engine series
Ryan NAVION A 59 with this engine series

Where they are

Texas 141 of these aircraft
California 109 of these aircraft
Florida 65 of these aircraft
Washington 56 of these aircraft
Ohio 46 of these aircraft

Biggest operators

Bas Part Sales LLC 5 of these aircraft
Sky West Aviation INC Trustee 4 of these aircraft
Northwest Navion INC 3 of these aircraft
Jed Homes INC 3 of these aircraft
American Airpower Heritage Flying Museum 3 of these aircraft

Airworthiness

FAA orders naming the Continental E185 series 7 airworthiness directives
Failure reports on the Continental E185 series 9 reports since 1995

Analytics

These connections as data: /graph/engine/continental-e185-series.json · about the eFlight graph.

Aircraft newest certificates first · 1,109

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N5048C	Beech B35	Fixed-wing, single engine	Individual owner New Mexico	Standard	2018-02-28	Valid
N4882K	Ryan NAVION A	Fixed-wing, single engine	Individual owner North Carolina	Standard	2018-02-13	Valid
N1661B	Luscombe 11A	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2018-02-09	Valid
N8910H	Ryan NAVION	Fixed-wing, single engine	Individual owner Utah	Standard	2018-01-30	Valid
N211QA	Beech D35	Fixed-wing, single engine	Island Time LLC Rock Hill, South Carolina	Standard	2018-01-19	Valid
N3056V	Beech 35	Fixed-wing, single engine	Individual owner Texas	Standard	2018-01-17	Valid
N5272C	Beech B35	Fixed-wing, single engine	Co-owned owner California	Standard	2017-12-29	Valid
N91554	North American NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2017-12-28	Valid
N4963K	Ryan NAVION A	Fixed-wing, single engine	Individual owner Utah	Standard	2017-12-19	Valid
N776DB	Beech C35	Fixed-wing, single engine	Individual owner Oregon	Standard	2017-12-05	Valid
N91572	North American NAVION A	Fixed-wing, single engine	Individual owner Colorado	Standard	2017-11-27	Valid
N91781	North American NAVION	Fixed-wing, single engine	Individual owner Mississippi	Standard	2017-11-08	Valid
N4878K	Ryan NAVION A	Fixed-wing, single engine	Individual owner Texas	Standard	2017-11-03	Valid
N8969H	North American NAVION	Fixed-wing, single engine	Individual owner Florida	Standard	2017-11-02	Valid
N91124	North American NAVION	Fixed-wing, single engine	Individual owner Washington	Standard	2017-10-26	Valid
N5069C	Beech B35	Fixed-wing, single engine	Mugleston Tim H Waldport, Oregon	Standard	2017-10-19	Valid
N8657A	Beech A35	Fixed-wing, single engine	Individual owner Michigan	Standard	2017-10-17	Valid
N8979H	North American NAVION	Fixed-wing, single engine	Individual owner Ohio	Standard	2017-09-25	Valid
N4424K	Navion NAVION A	Fixed-wing, single engine	Individual owner Idaho	Standard	2017-09-20	Valid
N80411	Beech 35	Fixed-wing, single engine	Individual owner California	Standard	2017-09-20	Valid
N2785V	Beech 35	Fixed-wing, single engine	Individual owner Washington	Standard	2017-09-12	Valid
N8925A	Beech B35	Fixed-wing, single engine	Individual owner Florida	Standard	2017-09-11	Valid
N1986D	Beech C35	Fixed-wing, single engine	Co-owned owner New Jersey	Standard	2017-08-28	Valid
N5828C	Beech C35	Fixed-wing, single engine	Individual owner Washington	Standard	2017-08-25	Valid
N1938D	Beech C35	Fixed-wing, single engine	Kingdom Air Corps Sutton, Alaska	Standard	2017-08-10	Valid
N7989	Partridge-Waples STARDUSTER TOO 300	Fixed-wing, single engine	Pour le Merite Aviation LLC Houston, Texas	Experimental	2017-07-21	Valid
N80429	Beech 35	Fixed-wing, single engine	Individual owner South Carolina	Standard	2017-07-18	Valid
N686B	Beech A35	Fixed-wing, single engine	Individual owner Tennessee	Standard	2017-06-28	Valid
N8510H	North American NAVION	Fixed-wing, single engine	Individual owner New York	Standard	2017-06-20	Valid
N409B	Beech 35	Fixed-wing, single engine	Individual owner California	Standard	2017-05-25	Valid
N855MD	North American NAVION	Fixed-wing, single engine	Individual owner Ohio	Standard	2017-05-04	Valid
N999S	Navion NAVION A	Fixed-wing, single engine	Individual owner Ohio	Standard	2017-05-03	Valid
N8650H	North American NAVION A	Fixed-wing, single engine	Individual owner Nebraska	Standard	2017-04-21	Valid
N8781H	North American NAVION	Fixed-wing, single engine	Individual owner Florida	Standard	2017-04-10	Valid
N3212V	Beech 35	Fixed-wing, single engine	Individual owner Arizona	Standard	2017-03-22	Valid
N674D	Beech C35	Fixed-wing, single engine	Individual owner Colorado	Standard	2017-02-28	Valid
N3365V	Beech 35	Fixed-wing, single engine	Individual owner Alaska	Standard	2017-02-23	Valid
N91540	North American NAVION A	Fixed-wing, single engine	North Shore Aviation Services CORP Waialua, Hawaii	Standard	2017-02-16	Valid
N91644	Ryan NAVION	Fixed-wing, single engine	American Airpower Heritage Flying Museum Dallas, Texas	None on file	2017-02-16	Valid
N1849D	Beech C35	Fixed-wing, single engine	Individual owner Delaware	Standard	2017-02-03	Valid
N55VE	Beech S35	Fixed-wing, single engine	Childers Ranch LLC Templeton, California	Standard	2017-01-25	Valid
N91102	North American NAVION	Fixed-wing, single engine	Individual owner Oklahoma	Standard	2017-01-13	Valid
N2960F	Beech D35	Fixed-wing, single engine	Co-owned owner Florida	Standard	2017-01-11	Valid
N537B	Beech A35	Fixed-wing, single engine	N537B LLC Crowley, Louisiana	Standard	2017-01-10	Valid
N2131D	Beech D35	Fixed-wing, single engine	Individual owner Texas	Standard	2017-01-09	Valid
N4504V	Beech 35	Fixed-wing, single engine	Individual owner Ohio	Standard	2017-01-09	Valid
N5846C	Beech C35	Fixed-wing, single engine	Individual owner Nebraska	Standard	2017-01-09	Valid
N91792	North American NAVION A	Fixed-wing, single engine	Sierra Hotel Aero INC South Saint Paul, Minnesota	Standard	2016-12-16	Valid
N35UP	Beech V35	Fixed-wing, single engine	Individual owner Mississippi	Standard	2016-12-15	Valid
N10133	Ryan NAVION	Fixed-wing, single engine	Individual owner Texas	Standard	2016-12-13	Valid
N5079C	Beech B35	Fixed-wing, single engine	Individual owner Texas	Standard	2016-11-30	Valid
N5960C	Beech C35	Fixed-wing, single engine	Individual owner Washington	Standard	2016-11-23	Valid
N4425K	Ryan NAVION	Fixed-wing, single engine	Co-owned owner California	Standard	2016-11-22	Valid
N4403K	Ryan NAVION	Fixed-wing, single engine	Co-owned owner Wisconsin	Standard	2016-11-10	Valid
N91135	North American NAVION A	Fixed-wing, single engine	Individual owner Texas	Standard	2016-11-10	Valid
N1615B	Luscombe 11A	Fixed-wing, single engine	Individual owner Nebraska	Standard	2016-11-04	Valid
N1892D	Beech C35	Fixed-wing, single engine	Individual owner Missouri	Standard	2016-10-17	Valid
N91723	Ryan NAVION	Fixed-wing, single engine	Individual owner Michigan	Standard	2016-09-26	Valid
N18900	Ryan Aeronautical SCW-145	Fixed-wing, single engine	Individual owner Texas	Standard	2016-09-22	Valid
N4371K	Ryan NAVION	Fixed-wing, single engine	Air Group 88 LLC Charlottesville, Virginia	Standard	2016-09-19	Valid
N5917C	Beech C35	Fixed-wing, single engine	Individual owner Minnesota	Standard	2016-09-14	Valid
N1642B	Luscombe 11A	Fixed-wing, single engine	Western Antique Aeroplane & Automobile Museum Hood River, Oregon	Standard	2016-08-31	Valid
N4851K	Ryan NAVION	Fixed-wing, single engine	Co-owned owner Texas	Standard	2016-08-23	Valid
N2870V	Beech 35	Fixed-wing, single engine	Sky West Aviation INC Trustee Albuquerque, New Mexico	Standard	2016-08-19	Valid
N48CB	Beech B35	Fixed-wing, single engine	Individual owner Texas	Standard	2016-08-03	Valid
N80418	Beech 35	Fixed-wing, single engine	Beechcraft Heritage Museum INC Tullahoma, Tennessee	Standard	2016-08-03	Valid
N8659A	Beech A35	Fixed-wing, single engine	Sky West Aviation INC Trustee Albuquerque, New Mexico	Standard	2016-07-28	Valid
N1904	Beech C35	Fixed-wing, single engine	Individual owner Georgia	Standard	2016-07-20	Valid
N2897V	Beech 35	Fixed-wing, single engine	Sky West Aviation INC Trustee Albuquerque, New Mexico	Standard	2016-07-18	Valid
N3398V	Beech 35	Fixed-wing, single engine	Individual owner Minnesota	Standard	2016-07-14	Valid
N518	Beech D35	Fixed-wing, single engine	Action Aviation INC New Port Richey, Florida	Standard	2016-06-16	Valid
N10145	Navion NAVION A	Fixed-wing, single engine	Individual owner Colorado	Standard	2016-06-06	Valid
N1LJ	Beech B35	Fixed-wing, single engine	N1Lj LLC Edgewood, Washington	Standard	2016-05-02	Valid
N58CY	Beech D35	Fixed-wing, single engine	Individual owner Colorado	Standard	2016-04-20	Valid
N16BH	Senior Aero Sport D-260	Fixed-wing, single engine	Individual owner Texas	Experimental	2016-04-19	Valid
N3850N	Beech 35	Fixed-wing, single engine	Individual owner North Dakota	Standard	2016-04-14	Valid
N5934C	Beech C35	Fixed-wing, single engine	Individual owner Texas	Standard	2016-04-07	Valid
N1629B	Luscombe 11A	Fixed-wing, single engine	Individual owner Nevada	Standard	2016-03-19	Valid
N4900K	Navion NAVION A	Fixed-wing, single engine	Individual owner Minnesota	Standard	2016-03-14	Valid
N45PS	Beech D35	Fixed-wing, single engine	Individual owner Wyoming	Standard	2016-02-25	Valid
N270H	Beech 35	Fixed-wing, single engine	Individual owner Indiana	Standard	2016-01-12	Valid
N3935N	Beech 35	Fixed-wing, single engine	Individual owner Texas	Standard	2016-01-06	Valid
N8927A	Beech B35	Fixed-wing, single engine	Individual owner Rhode Island	Standard	2015-12-12	Valid
N3734N	Beech 35R	Fixed-wing, single engine	Select Aerospace Industries Weyers Cave, Virginia	Standard	2015-12-09	Valid
N5926C	Beech C35	Fixed-wing, single engine	Individual owner Washington	Standard	2015-11-09	Valid
N4889K	Ryan NAVION A	Fixed-wing, single engine	Individual owner South Carolina	Standard	2015-11-04	Valid
N796B	Beech A35	Fixed-wing, single engine	Individual owner Georgia	Standard	2015-10-30	Valid
N5160C	Beech B35	Fixed-wing, single engine	Individual owner Illinois	Standard	2015-08-24	Valid
N8645H	North American NAVION	Fixed-wing, single engine	Individual owner Illinois	Standard	2015-08-20	Valid
N2017D	Beech C35	Fixed-wing, single engine	Co-owned owner Wisconsin	Standard	2015-08-18	Valid
N4126K	Ryan NAVION	Fixed-wing, single engine	Individual owner Texas	Standard	2015-07-27	Valid
N2860V	Beech 35	Fixed-wing, single engine	Nord Aviation INC Pembina, North Dakota	Standard	2015-07-10	Valid
N4616K	Ryan NAVION	Fixed-wing, single engine	Individual owner Washington	Standard	2015-06-01	Valid
N3159V	Beech 35	Fixed-wing, single engine	Co-owned owner Pennsylvania	Standard	2015-04-08	Valid
N2820V	Beech 35	Fixed-wing, single engine	Individual owner Colorado	Standard	2015-04-01	Valid
N4819K	Ryan NAVION A	Fixed-wing, single engine	Individual owner New York	Standard	2015-03-25	Valid
N4111K	Ryan NAVION	Fixed-wing, single engine	Individual owner Arizona	Standard	2015-03-09	Valid
N4978K	Ryan NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2015-02-23	Valid
N619B	Beech C35	Fixed-wing, single engine	Individual owner Alaska	Standard	2015-01-28	Valid
N78851	Aircraft Manufacturing TEXAS BULLET 205	Fixed-wing, single engine	Old Style Aircraft LLC Ellsinore, Missouri	Standard	2014-12-24	Valid

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.