The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 7, 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

01462924385845841940261195019196021970

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

00122100102103104206107110120

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
Where they are
Biggest operators
Airworthiness

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

Aircraft newest certificates first · 1,109

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N711LB Beech
A35
Fixed-wing, single engine Individual owner
Georgia
Standard Sale reportedFAA registration status code 7. All codes
N74DS Ryan
NAVION A
Fixed-wing, single engine Individual owner
Florida
Standard CanceledFAA registration status code 18: Sale reported, canceled. All codes
N80431 Beech
35
Fixed-wing, single engine Biggs Aircraft INC
Wellston, Oklahoma
Standard ValidFAA registration status code V: Valid registration. All codes
N809TS Beech
35
Fixed-wing, single engine Medic Choppers LLC
Springdale, Arkansas
Standard ValidFAA registration status code V: Valid registration. All codes
N8431A Beech
A35
Fixed-wing, single engine Bas Part Sales LLC
Greeley, Colorado
Standard ValidFAA registration status code V: Valid registration. All codes
N8467A Beech
A35
Fixed-wing, single engine Individual owner
Arizona
Standard PendingFAA registration status code R: Registration pending. All codes
N8639A Beech
A35
Fixed-wing, single engine Individual owner
Missouri
Standard Pending cancellationFAA registration status code 19: Registration pending, pending cancellation. All codes
N91609 North American
NAVION
Fixed-wing, single engine Individual owner
Oregon
Standard PendingFAA registration status code R: Registration pending. All codes
N920M Beech
35
Fixed-wing, single engine Individual owner
Florida
Standard Sale reportedFAA registration status code 7. All codes
Previous Page 12 of 12

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.