# Continental 0-300-B

- Type: Engine model (FAA registry)
- Registry code: 17174
- Manufacturer (registry): CONT MOTOR
- Model: 0-300-B
- Engine type: Reciprocating
- Power: 145 hp
- Data sheet: [TCDS E-253](https://openairdocs.org/tcds/E-253) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/continental-0-300-b

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023
- [AD 2011-26-07](https://openairdocs.org/ad/2011-26-07): Engine · Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jan 24, 2012
- [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 1998
- [AD 94-05-05 R1](https://openairdocs.org/ad/94-05-05-R1): Cylinder Rocker · Continental Motors C-125-1, C-125-2, C145-2 and 59 more. Effective Feb 13, 1996
- [AD 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993
- [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980

Historical (superseded or no longer in force):

- [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04) (historical): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Mar 29, 2022
- [AD 2002-13-04](https://openairdocs.org/ad/2002-13-04) (historical): Magneto impulse coupling stop pin · Teledyne Continental Motors C-125-1, C-125-2, C145-2 and 48 more. Effective Jul 12, 2002
- [AD 2000-11-51](https://openairdocs.org/ad/2000-11-51) (historical): Magnetos · Teledyne Continental Motors IO-360 Series (all), LTSIO-520-AE, O-300-A and 21 more

## Information bulletins (advisory) (3)

- [SAIB NE-18-27](https://openairdocs.org/saib/NE-18-27): POWERPLANT  Rocker Shaft Boss Inspection. Issued Sep 10, 2018
- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012

## Registered aircraft (2)

- [N5746A](https://openairdocs.org/aircraft/N5746A): [Manier Byron K](https://openairdocs.org/faa-owner/MANIER%20BYRON%20K), [Houston, MO](https://openairdocs.org/faa-place/MO/Houston), built 1956, S/N 28346
- [N8206A](https://openairdocs.org/aircraft/N8206A): [Walker Jack A](https://openairdocs.org/faa-owner/WALKER%20JACK%20A), [Klamath Falls, OR](https://openairdocs.org/faa-place/OR/Klamath%20Falls), built 1952, S/N 25058

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (5)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2019FA0000307](https://openairdocs.org/sdr/2019FA0000307), Sep 15, 2019: CYLINDER HEAD. SEPARATED. CYLINDER FAILURE, #5 CYLINDER COMPLETE BARREL SEPARATION AT THE THREADS INTO THE HEAD IN FLIGHT. AIRCRAFT WAS ABLE TO RETURN TO THE FIELD AND LAND SAFELY. SUBSE
- [SDR 2013FA0000473](https://openairdocs.org/sdr/2013FA0000473), Aug 19, 2013: PISTON PIN. FAILED. VISIBLE METAL PIECES WERE FOUND IN THE ENGINE OIL AND OIL FILTER MEDIA DURING SCHEDULED MAINTENANCE. THE ENGINE WAS DISASSEMBLED AND A VISUAL INSPECTION REVEALE
- [SDR AUS20030983](https://openairdocs.org/sdr/AUS20030983), May 20, 2003: EXHAUST VALVE. STICKING. (AUS) ENGINE EXHAUST VALVE STUCK OPEN. TWO OTHER VALVES ALSO STICKING.DURING RECTIFICATION FOR THE STICKING VALVES IT WAS NOTICED THAT THE CARBURETTOR BUTTERFLY
- [SDR CA010522019](https://openairdocs.org/sdr/CA010522019), May 8, 2001: CYLINDER. SEPARATED. (CAN) NR 1 CYLINDER BARREL BROKE LEAVING CYLINDER BAS ATTACHED TO CRANKCASE AND CYLINDER ATACHED BY EXHAUST AND INTAKE. APPROXIMATELY 1" OF CYLINDER IS STILL AT
- [SDR 95ZZZX817](https://openairdocs.org/sdr/95ZZZX817), Jan 25, 1995: CARBURETOR. DEFECTIVE. DURING ANNUAL INSPECTION, CARBURETOR WAS DISCOVERED LEAKING AND MIXTURE CUT-OFF WOULD NOT WORK. DISASSEMBLY REVEALED THAT LEATHER ON ACCELERATOR PUMP PISTON WAS

## STCs that may be installed (OpenAirDocs) (34)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists O-300 Series
- [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com. Lists O-300 Series
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE00145WI](https://openairdocs.org/stc/SE00145WI): Installation of B&C Specialty Products Model BC 320-( ) Engine Starter. B & C Specialty Products Inc
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8409SW](https://openairdocs.org/stc/SE8409SW): Installation of P/N CO-300-1 Oil Filter Adaptor with spin-on filter as a replacement for the existing oil screen. Stratus Tool Technologies LLC
- [STC SE10076SC](https://openairdocs.org/stc/SE10076SC): Modify engine by installation of C12ST2/S starter. Hartzell Engine Technologies, LLC
- [STC SE10129SC](https://openairdocs.org/stc/SE10129SC): Installation of rotocoil, valve springs, ni-resist valve guide, exhaust valve with chrome flash on stem, and rocker shaft with thrust buttons. Continental Motors, Inc
- [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc
- [STC SE8112SW](https://openairdocs.org/stc/SE8112SW): Installation of any or all parts identified by Parts Application List AEC9109-2. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee
- [STC SE1220GL](https://openairdocs.org/stc/SE1220GL): Replacement of Slick Model 664 magnetos with Slick Model 6264 magnetos or installation of Model 6364 magneto. Champion Aerospace LLC
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc
- [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation
- [STC ST00435AT](https://openairdocs.org/stc/ST00435AT): Overhaul/repair of the Delco starter adapter drive (P/N 1971890) used with Delco starters P/N's 11096656 and 1109660. Aerotech. Lists O-300 Series
- [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA. Lists O-300 Series
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists O-300 Series
- [STC SE00164SE](https://openairdocs.org/stc/SE00164SE): Installation of Avglas components to modify carburetor air housing assemblies. McFarlane Aviation, Inc. Lists O-300 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE00262NY](https://openairdocs.org/stc/SE00262NY): Installation of Canadian Aero Manufacturing Pull Start Clutch, P/N 1971890-N or 1971890-M. Canadian Aero Manufacturing. Lists O-300 Series
- [STC SE8669SW](https://openairdocs.org/stc/SE8669SW): Installation of roller rocker arm. Performance Engineering
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists O-300 Series
- [STC SE3-663](https://openairdocs.org/stc/SE3-663): Install dry vacuum pump drive. Parker Hannifin Corp
- [STC SE1976SW](https://openairdocs.org/stc/SE1976SW): Manufacture of new cylinder barrels and rebarreling with original cylinder head. Gary Aerospace Corp. Lists O-300 Series
- [STC SE244NE](https://openairdocs.org/stc/SE244NE): Installation of Mattituck plasma flame sprayed cylinder barrels in Teledyne reciprocating engines. Mattituck Airbase, Inc. Lists O-300 Series
- [STC SE2006CE](https://openairdocs.org/stc/SE2006CE): Add the following approved fuel: unleaded automotive gasoline, 87 minimum index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Also intermixing of aviation gasoline. Petersen Aviation Inc
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists O-300 Series
- [STC SE12GL](https://openairdocs.org/stc/SE12GL): Installation of oil filler cap. Ray Whyte Electric Products Co
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists O-300 Series

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