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

Continental IO-346 series

131 aircraft on the U.S. register carry a Continental IO-346 series engine, rated at about 165 horsepower. The Beechcraft A23 is the model most often fitted with it (126 aircraft). The aircraft carrying it were built between 1962 and 1980.

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-346 series. FAA spelling: IO-346 SERIES.

Fitted to model families

Beechcraft A23126Aeronca S151Beechcraft 231Beechcraft F33 Bonanza1Chard Arthur B VAN RV-61W.B.C. Flying Club Inc. FLYBABY-1A1

Beechcraft A23 · Aeronca S15 · Beechcraft 23 · Beechcraft F33 Bonanza · Chard Arthur B VAN RV-6 · W.B.C. Flying Club Inc. FLYBABY-1A

Where they are owner's state

Texas14Florida13Michigan8Oklahoma6North Carolina6Illinois6Pennsylvania5California5Washington4Tennessee4

Kind of aircraft

Piston singles131 (100%)

When the aircraft were built by decade

What the FAA has certified, ordered and been told about the Continental IO-346 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 22 failure reports with the FAA since 1995, 16 of them in the last ten years.

Failure reports 22 since · what operators and shops told the FAA

Parts most often reported as the reports name them

Angle1Bearing1Blade1Bracket1Bulkhead1Coil1Crankshaft1Cylinder1Cylinder Head1Duct1

Latest reports

2010-08-14Crankshaft: failed

2007-03-15Hinge Bracket: cracked

2003-07-15Cylinder Head: separated

2002-11-22Rod: worn

2002-11-22Washer: unapproved part

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 A23 126 with this engine series
Aeronca S15 1 with this engine series
Beechcraft 23 1 with this engine series
Beechcraft F33 Bonanza 1 with this engine series

Where they are

Texas 14 of these aircraft
Florida 13 of these aircraft
Michigan 8 of these aircraft
Oklahoma 6 of these aircraft
North Carolina 6 of these aircraft

Airworthiness

Failure reports on the Continental IO-346 series 22 reports since 1995

Analytics

These connections as data: /graph/engine/continental-io-346-series.json · about the eFlight graph.

Aircraft newest certificates first · 131

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N3515R	Beech A23	Fixed-wing, single engine	Individual owner Oklahoma	Standard	2012-07-26	Valid
N8866M	Beech A23	Fixed-wing, single engine	Individual owner Michigan	Standard	2012-01-12	Valid
N8895M	Beech A23	Fixed-wing, single engine	Individual owner New York	Standard	2011-09-07	Valid
N2343W	Beech A23A	Fixed-wing, single engine	Individual owner West Virginia	Standard	2011-06-14	Valid
N8897M	Beech A23	Fixed-wing, single engine	Individual owner Illinois	Standard	2010-04-07	Valid
N3595R	Beech A23	Fixed-wing, single engine	Individual owner Texas	Standard	2009-11-02	Valid
N1465L	Beech A23	Fixed-wing, single engine	Co-owned owner New Mexico	Standard	2008-09-12	Valid
N3579R	Beech A23	Fixed-wing, single engine	Individual owner Illinois	Standard	2008-06-12	Valid
N3518R	Beech A23	Fixed-wing, single engine	Individual owner Texas	Standard	2007-12-01	Valid
N1499L	Beech A23	Fixed-wing, single engine	Individual owner Tennessee	Standard	2007-03-20	Valid
N8875M	Beech A23	Fixed-wing, single engine	Individual owner North Carolina	Standard	2007-02-20	Valid
N3679Q	Beech A23A	Fixed-wing, single engine	Bear Skin Run LLP Clinton, North Carolina	Standard	2006-01-31	Valid
N48AC	Chard Arthur B VAN RV-6	Fixed-wing, single engine	Co-owned owner Texas	Experimental	2005-03-16	Valid
N3502R	Beech A23	Fixed-wing, single engine	Individual owner Michigan	Standard	2004-02-26	Valid
N8884M	Beech A23	Fixed-wing, single engine	Individual owner Texas	Standard	2003-09-10	Valid
N8763M	Beech A23	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	2001-03-22	Valid
N1167M	Beech A23A	Fixed-wing, single engine	N1167M LLC Saint Peters, Missouri	Standard	2001-03-06	Valid
N1414L	Beech A23	Fixed-wing, single engine	Individual owner Michigan	Standard	1999-07-27	Valid
N3582R	Beech A23	Fixed-wing, single engine	Individual owner Illinois	Standard	1999-03-06	Valid
N9223Q	Beech F33A	Fixed-wing, single engine	Co-owned owner Arizona	Standard	1998-05-06	Valid
N1444L	Beech A23	Fixed-wing, single engine	Individual owner Indiana	Standard	1997-07-14	Valid
N2336W	Beech A23A	Fixed-wing, single engine	Individual owner Pennsylvania	Standard	1996-11-12	Valid
N2349W	Beech A23A	Fixed-wing, single engine	Individual owner Wisconsin	Standard	1996-06-27	Valid
N92CR	Beech A23A	Fixed-wing, single engine	Individual owner Maryland	Standard	1995-08-01	Valid
N3569R	Beech A23	Fixed-wing, single engine	Aviation Investment & Recreation INC Battle Creek, Michigan	Standard	1993-09-13	Valid
N28353	W.B.C. Flying Club Inc. FLYBABY-1A	Fixed-wing, single engine	Individual owner Minnesota	Experimental	1992-06-18	Valid
N2314W	Beech A23A	Fixed-wing, single engine	Individual owner Indiana	Standard	1992-03-30	Valid
N8782M	Beech A23	Fixed-wing, single engine	Individual owner Minnesota	Standard	1984-12-26	Valid
N1423L	Beech A23	Fixed-wing, single engine	Medi Carriers of Wisconsin INC Greenville, Wisconsin	Standard	1980-11-05	Valid
N8796M	Beech A23	Fixed-wing, single engine	Individual owner Kentucky	Standard		Pending
N8868M	Beech A23	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Standard		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.