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
N2136D	Beech D35	Fixed-wing, single engine	Individual owner California	Standard	2014-12-11	Valid
N8579H	North American NAVION	Fixed-wing, single engine	Individual owner California	Standard	2014-12-02	Valid
N91500	North American NAVION	Fixed-wing, single engine	Falcon Aero INC Fredericksburg, Texas	Standard	2014-12-02	Valid
N8995H	North American NAVION	Fixed-wing, single engine	Individual owner Mississippi	Standard	2014-11-24	Valid
N3064V	Beech 35	Fixed-wing, single engine	Individual owner Tennessee	Standard	2014-11-21	Valid
N5267C	Beech B35	Fixed-wing, single engine	Individual owner Arizona	Standard	2014-11-13	Valid
N8724R	Beech B35	Fixed-wing, single engine	Individual owner Michigan	Standard	2014-11-13	Valid
N4473V	Beech 35	Fixed-wing, single engine	Co-owned owner Minnesota	Standard	2014-11-04	Valid
N4230K	Ryan NAVION	Fixed-wing, single engine	Harper Paul V Minerva, Ohio	Standard	2014-10-27	Valid
N4820K	Ryan NAVION A	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2014-10-23	Valid
N749D	Beech C35	Fixed-wing, single engine	Individual owner Alaska	Standard	2014-10-22	Valid
N3445B	Beech D35	Fixed-wing, single engine	Individual owner Washington	Standard	2014-10-20	Valid
N1860D	Beech C35	Fixed-wing, single engine	Individual owner Washington	Standard	2014-09-23	Valid
N3GG	Ryan NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2014-08-28	Valid
N590B	Beech A35	Fixed-wing, single engine	Individual owner Georgia	Standard	2014-08-18	Valid
N8595A	Beech A35	Fixed-wing, single engine	Northshore Flyers Houston, Texas	Standard	2014-08-15	Valid
N3814N	Beech 35	Fixed-wing, single engine	Co-owned owner Colorado	Standard	2014-08-14	Valid
N764D	Beech C35	Fixed-wing, single engine	Bonanza Partners Sleepy Hollow, Illinois	Standard	2014-08-13	Valid
N4416K	Ryan NAVION	Fixed-wing, single engine	Mmj Group LLC Abbeville, Louisiana	Standard	2014-08-08	Valid
N3993N	Beech B35	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2014-08-01	Valid
N91127	Ryan NAVION	Fixed-wing, single engine	Individual owner Ohio	Standard	2014-07-30	Valid
N3255V	Beech 35	Fixed-wing, single engine	Individual owner Washington	Standard	2014-07-29	Valid
N842JW	Navion L-17B	Fixed-wing, single engine	Individual owner Georgia	Standard	2014-07-29	Valid
N188PA	Ryan NAVION A	Fixed-wing, single engine	Co-owned owner Missouri	Standard	2014-07-28	Valid
N4150K	Ryan NAVION	Fixed-wing, single engine	Individual owner Ohio	Standard	2014-07-24	Valid
N2006D	Beech C35	Fixed-wing, single engine	Individual owner California	Standard	2014-05-14	Valid
N461	Beech C35	Fixed-wing, single engine	Individual owner Texas	Standard	2014-05-07	Valid
N1906D	Beech C35	Fixed-wing, single engine	Individual owner Kentucky	Standard	2014-04-29	Valid
N4799K	Ryan NAVION	Fixed-wing, single engine	Individual owner Washington	Standard	2014-04-11	Valid
N1894D	Beech C35	Fixed-wing, single engine	Individual owner South Carolina	Standard	2014-03-27	Valid
N6323D	North American NAVION	Fixed-wing, single engine	Individual owner Texas	Standard	2014-03-26	Valid
N3423B	Beech D35	Fixed-wing, single engine	Individual owner North Dakota	Standard	2014-03-25	Valid
N70KT	Beech D35	Fixed-wing, single engine	Individual owner South Carolina	Standard	2014-03-20	Valid
N600E	Navion NAVION A	Fixed-wing, single engine	Individual owner Michigan	Standard	2014-03-13	Valid
N4579K	Ryan NAVION	Fixed-wing, single engine	Individual owner Washington	Standard	2014-03-07	Valid
N4368K	Ryan NAVION A	Fixed-wing, single engine	Individual owner Indiana	Standard	2014-03-06	Valid
N4000G	Navion NAVION A	Fixed-wing, single engine	Individual owner Ohio	Standard	2014-02-03	Valid
N3429B	Beech D35	Fixed-wing, single engine	Individual owner Texas	Standard	2014-01-28	Valid
N2997V	Beech 35	Fixed-wing, single engine	Individual owner Kentucky	Standard	2014-01-27	Valid
N4439K	Ryan NAVION	Fixed-wing, single engine	Killer Contracting LLC Wilmington, Delaware	Standard	2014-01-13	Valid
N9559Z	Ryan NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2014-01-10	Valid
N48JB	Beech 35	Fixed-wing, single engine	N48Jb LLC Imperial, Missouri	Standard	2013-12-18	Valid
N3798N	Beech 35	Fixed-wing, single engine	Aviation Business CORP Saint Louis, Missouri	Standard	2013-12-11	Valid
N8136S	Cessna 150F	Fixed-wing, single engine	Individual owner Texas	Standard	2013-12-05	Valid
N5995C	Beech C35	Fixed-wing, single engine	Individual owner Florida	Standard	2013-11-22	Valid
N4869K	Ryan NAVION	Fixed-wing, single engine	Individual owner Idaho	Standard	2013-11-20	Valid
N2068D	Beech D35	Fixed-wing, single engine	Individual owner California	Standard	2013-11-14	Valid
N4414K	Ryan NAVION	Fixed-wing, single engine	Individual owner Georgia	Standard	2013-11-01	Valid
N4936K	Navion NAVION A	Fixed-wing, single engine	Individual owner Kentucky	Standard	2013-10-22	Valid
N4143K	Ryan NAVION	Fixed-wing, single engine	Individual owner Minnesota	Standard	2013-09-18	Valid
N4179A	Navion NAVION A	Fixed-wing, single engine	Individual owner Indiana	Standard	2013-09-17	Valid
N4562K	Navion NAVION A	Fixed-wing, single engine	Individual owner Ohio	Standard	2013-09-06	Valid
N149DS	Beech A35	Fixed-wing, single engine	Individual owner Colorado	Standard	2013-08-12	Valid
N8747H	North American NAVION	Fixed-wing, single engine	Co-owned owner Oklahoma	Standard	2013-07-30	Valid
N4124K	Ryan NAVION	Fixed-wing, single engine	Individual owner Ohio	Standard	2013-06-26	Valid
N4957K	Navion NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2013-05-30	Valid
N8846A	Beech B35	Fixed-wing, single engine	Individual owner Texas	Standard	2013-05-20	Valid
N8947H	North American NAVION	Fixed-wing, single engine	Individual owner Arizona	Standard	2013-04-29	Valid
N137MF	Navion NAVION A	Fixed-wing, single engine	Huston Lee e Graham, Washington	Standard	2013-04-09	Valid
N2041D	Beech C35	Fixed-wing, single engine	Individual owner California	Standard	2013-03-27	Valid
N4451V	Beech 35	Fixed-wing, single engine	Individual owner Mississippi	Standard	2013-03-26	Valid
N8801H	North American NAVION	Fixed-wing, single engine	Co-owned owner New York	Standard	2013-02-21	Valid
N4609K	Navion NAVION A	Fixed-wing, single engine	Co-owned owner Ohio	Standard	2013-01-31	Valid
N744B	Beech A35	Fixed-wing, single engine	Individual owner Tennessee	Standard	2013-01-24	Valid
N60KT	Beech A35	Fixed-wing, single engine	Individual owner Michigan	Standard	2013-01-16	Valid
N1069	Navion NAVION A	Fixed-wing, single engine	Individual owner New Hampshire	Standard	2013-01-02	Valid
N5111K	Ryan NAVION A	Fixed-wing, single engine	Ce-Farm CORP Morning Sun, Iowa	Standard	2012-11-06	Valid
N531	Beech D35	Fixed-wing, single engine	Individual owner Maryland	Experimental	2012-10-18	Valid
N4813K	Ryan NAVION	Fixed-wing, single engine	Individual owner Alabama	Standard	2012-09-21	Valid
N4254K	Ryan NAVION	Fixed-wing, single engine	Individual owner Kansas	Standard	2012-09-18	Valid
N4319K	Navion NAVION A	Fixed-wing, single engine	Wings Den LLC Wilmington, Delaware	Standard	2012-08-22	Valid
N8465A	Beech A35	Fixed-wing, single engine	Individual owner Georgia	Standard	2012-08-14	Valid
N5250C	Beech B35	Fixed-wing, single engine	Individual owner Texas	Standard	2012-08-09	Valid
N8855H	North American NAVION A	Fixed-wing, single engine	Individual owner New York	Standard	2012-07-24	Valid
N3178V	Beech 35	Fixed-wing, single engine	Individual owner Texas	Standard	2012-07-18	Valid
N4537K	Ryan NAVION	Fixed-wing, single engine	Individual owner Minnesota	Standard	2012-05-15	Valid
N8511H	North American NAVION	Fixed-wing, single engine	Individual owner Florida	Standard	2012-05-10	Valid
N3307V	Beech 35	Fixed-wing, single engine	Agogi Learning Systems LLC Dahlonega, Georgia	Standard	2012-05-08	Valid
N443K	Navion NAVION A	Fixed-wing, single engine	Individual owner Alaska	Standard	2012-05-04	Valid
N3705N	Beech 35	Fixed-wing, single engine	Individual owner Washington	Special flight permit	2012-04-26	Valid
N5017C	Beech B35	Fixed-wing, single engine	Individual owner Nebraska	Standard	2012-04-26	Valid
N91528	North American NAVION	Fixed-wing, single engine	Mid Atlantic Air Museum Reading, Pennsylvania	Standard	2012-04-24	Valid
N497B	Beech A35	Fixed-wing, single engine	Individual owner Florida	Standard	2012-04-10	Valid
N705AP	Pfouts Alfred L SENIOR AERO SPT D260	Fixed-wing, single engine	Individual owner Virginia	Experimental	2012-04-04	Valid
N3150V	Beech 35	Fixed-wing, single engine	Individual owner Tennessee	Standard	2012-04-02	Valid
N4241K	Navion NAVION A	Fixed-wing, single engine	Individual owner Minnesota	Standard	2012-03-15	Valid
N91588	North American NAVION	Fixed-wing, single engine	Individual owner Massachusetts	Standard	2012-02-29	Valid
N4185K	North American NAVION	Fixed-wing, single engine	Individual owner Indiana	Standard	2012-02-28	Valid
N9646C	North American NAVION A	Fixed-wing, single engine	Individual owner California	Standard	2012-02-25	Valid
N13E	Beech C35	Fixed-wing, single engine	Go Leasing CO Phillipsburg, Kansas	Standard	2012-02-14	Valid
N727G	North American NAVION	Fixed-wing, single engine	Individual owner Georgia	Standard	2012-01-25	Valid
N3703N	Beech 35	Fixed-wing, single engine	Greystone Enterprises INC Oklahoma City, Oklahoma	Standard	2012-01-21	Valid
N748B	Beech A35	Fixed-wing, single engine	Individual owner Illinois	Standard	2012-01-17	Valid
N3791N	Beech 35	Fixed-wing, single engine	Individual owner California	Standard	2011-12-15	Valid
N8534H	North American NAVION	Fixed-wing, single engine	Co-owned owner Texas	Standard	2011-12-01	Valid
N4238A	Ryan NAVION A	Fixed-wing, single engine	High Noon Aviation LLC Loveland, Colorado	Standard	2011-11-29	Valid
N35MS	Beech S35	Fixed-wing, single engine	Individual owner Florida	Standard	2011-11-07	Valid
N3886N	Beech 35	Fixed-wing, single engine	Individual owner California	Standard	2011-11-07	Valid
N91671	North American NAVION	Fixed-wing, single engine	Individual owner Mississippi	Standard	2011-11-01	Valid
N343E	Meyers MAC-145	Fixed-wing, single engine	Individual owner North Dakota	Standard	2011-10-11	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.