# Continental 0-300-A

- Type: Engine model (FAA registry)
- Registry code: 17173
- Manufacturer (registry): CONT MOTOR
- Model: 0-300-A
- 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: 15 registered aircraft
- Page: https://openairdocs.org/engine/continental-0-300-a

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 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [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 93-11-03](https://openairdocs.org/ad/93-11-03): Incorrect Connecting Rod · Continental Motors O-200-A, O-300-A, O-300-C and 1 more. Effective Jul 13, 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Historical (superseded or no longer in force):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 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 (15)

- [N1073Y](https://openairdocs.org/aircraft/N1073Y): [Goedicke Walter H Jr](https://openairdocs.org/faa-owner/GOEDICKE%20WALTER%20H%20JR), [Bay Head, NJ](https://openairdocs.org/faa-place/NJ/Bay%20Head), built 1956, S/N 28277
- [N1242D](https://openairdocs.org/aircraft/N1242D): [Price John C](https://openairdocs.org/faa-owner/PRICE%20JOHN%20C), [Bennington, KS](https://openairdocs.org/faa-place/KS/Bennington), built 1949, S/N 18734
- [N1455](https://openairdocs.org/aircraft/N1455): [Lenbom Mark A](https://openairdocs.org/faa-owner/LENBOM%20MARK%20A), [Cameron, WI](https://openairdocs.org/faa-place/WI/Cameron), built 1967, S/N 5
- [N170KT](https://openairdocs.org/aircraft/N170KT): [Hughes Michael D](https://openairdocs.org/faa-owner/HUGHES%20MICHAEL%20D), [Erie, CO](https://openairdocs.org/faa-place/CO/Erie), built 1955, S/N 26758
- [N188C](https://openairdocs.org/aircraft/N188C): [Rempfer David Dwayne](https://openairdocs.org/faa-owner/REMPFER%20DAVID%20DWAYNE), [Chandler, AZ](https://openairdocs.org/faa-place/AZ/Chandler), S/N 27104
- [N2322D](https://openairdocs.org/aircraft/N2322D): [Macvey Troy R](https://openairdocs.org/faa-owner/MACVEY%20TROY%20R), [Milan, IN](https://openairdocs.org/faa-place/IN/Milan), built 1952, S/N 20474
- [N2512V](https://openairdocs.org/aircraft/N2512V): [Nichol Nathan P](https://openairdocs.org/faa-owner/NICHOL%20NATHAN%20P), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), S/N 18020
- [N2992D](https://openairdocs.org/aircraft/N2992D): [Arnold Scott M](https://openairdocs.org/faa-owner/ARNOLD%20SCOTT%20M), [Peachtree City, GA](https://openairdocs.org/faa-place/GA/Peachtree%20City), S/N 26935
- [N4584C](https://openairdocs.org/aircraft/N4584C): [Eco Resources Inc](https://openairdocs.org/faa-owner/ECO%20RESOURCES%20INC), [Millersport, OH](https://openairdocs.org/faa-place/OH/Millersport), built 1953, S/N 25528
- [N7201A](https://openairdocs.org/aircraft/N7201A): [Carleson Jesse R](https://openairdocs.org/faa-owner/CARLESON%20JESSE%20R), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla), built 1956, S/N 29301
- [N796WT](https://openairdocs.org/aircraft/N796WT): [Taildragger LLC](https://openairdocs.org/faa-owner/TAILDRAGGER%20LLC), [Blackfoot, ID](https://openairdocs.org/faa-place/ID/Blackfoot), built 1955, S/N 26813
- [N884WH](https://openairdocs.org/aircraft/N884WH): [Pr Aeronautics LLC](https://openairdocs.org/faa-owner/PR%20AERONAUTICS%20LLC), [Buffalo, SD](https://openairdocs.org/faa-place/SD/Buffalo), S/N 001
- [N9277](https://openairdocs.org/aircraft/N9277): [Lynn William S](https://openairdocs.org/faa-owner/LYNN%20WILLIAM%20S), [Jackson, MS](https://openairdocs.org/faa-place/MS/Jackson), built 1953, S/N 25964
- [N9322C](https://openairdocs.org/aircraft/N9322C): [Waters David J](https://openairdocs.org/faa-owner/WATERS%20DAVID%20J), [Phelps, NY](https://openairdocs.org/faa-place/NY/Phelps), built 1959, S/N 46402
- [N94GV](https://openairdocs.org/aircraft/N94GV): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1954, S/N 26528

## NTSB investigations (5)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA25LA317](https://openairdocs.org/ntsb/ERA25LA317), Aug 25, 2025: Cessna 170B (N4584C), Knoxville, TN, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing roll in a crosswind, which resulted in a runway excursion and a subsequent ground loop.
- [NTSB ERA10LA424](https://openairdocs.org/ntsb/ERA10LA424), Aug 10, 2010: W.H. Hunnicutt Hobo (N884WH), Fletcher, NC, substantial damage. Probable cause: A partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to select an adequate forced landing site.
- [NTSB CEN10CA224](https://openairdocs.org/ntsb/CEN10CA224), Apr 25, 2010: Cessna 170-B (N3201A), White Bear Lake, MN, substantial damage. Probable cause: The flight instructor's inadequate attempted recovery from a bounced landing and the student pilot's abrupt use of the brakes, which resulted in the airplane nosing over.
- [NTSB OAK71DJZ06](https://openairdocs.org/ntsb/OAK71DJZ06), Dec 27, 1970: Cessna 170B (N9277), Iwakuni Mcs, JA, substantial damage
- [NTSB FTW71FRA22](https://openairdocs.org/ntsb/FTW71FRA22), Oct 1, 1970: Cessna 170B (N3201A), Beaumont, TX, substantial damage

## FAA accident and incident reports (6)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20250825014769A](https://openairdocs.org/incident/20250825014769A), Aug 25, 2025: Cessna 170B (N4584C), Monticello, KY, Substantial damage. During landing touchdown and rollout the aircraft veered to the left and departed the runway surface. The right wing, right aileron, nose cowling, and…
- [Incident 20140709011299I](https://openairdocs.org/incident/20140709011299I), Jul 9, 2014: Shetler Eldon Lewis SHETLER MUSTANG MII (N1239E), Harvard, NE, Minor damage. On July 9, 2014 at approximately 1200 CDT, N1239E, a Shetler mustang ii attempted to takeoff from runway 17 of the Harvard State Airport in Harvard, NE. During…
- [Accident 20100810046379A](https://openairdocs.org/incident/20100810046379A), Aug 10, 2010: Hunnicutt W HOBO (N884WH), Fletcher, NC, Substantial damage. Pilot states that he departed Cane Creek airstrip, 4NC6, @ 1100 on 08/10/2010. Upon takeoff pilot reported he lost engine power. Aircraft crashed in woods…
- [Accident 20100425032789A](https://openairdocs.org/incident/20100425032789A), Apr 25, 2010: Cessna 170B (N3201A), White Bear Lake, MN, Substantial damage. The pilot in command was providing crosswind instruction with a student pilot. Upon landing with a right quartering, gusty crosswind the aircraft experienced a…
- [Incident 20050506007209I](https://openairdocs.org/incident/20050506007209I), May 6, 2005: Cessna 170B (N170KT), Sheridan, WY, Minor damage. (-23) During this incident the private pilot was receiving training for a tailwheel airplane endorsement, the instructor took control of the aircraft because…
- [Incident 19790611015109I](https://openairdocs.org/incident/19790611015109I), Jun 11, 1979: Cessna 421 (N4584C), Austin, TX, Minor damage. Engine burst into flames. Landed safely. Flex hose, PNS5027 6 0164 had ruptured.

## Service difficulty reports (39)

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

- [SDR 2023FA0000321](https://openairdocs.org/sdr/2023FA0000321), May 26, 2023: PISTON. FAILED. INSTALLED NEW CYLINDER KIT WITH VALVES AND PISTON. PISTON MELTED AT UPPER RING, SCORED THE CYLINDER WALL, AND BLEW A HOLE THROUGH ONE SIDE. CYLINDER LOST ALL CO
- [SDR 2010FA0001259](https://openairdocs.org/sdr/2010FA0001259), Nov 16, 2010: CARBURETOR. CONTAMINATED. ENGINE LOST POWER CAUSING ACFT TO MAKE AN EMERGENCY LANDING IN A SOFT FIELD RESULTING IN THE ACFT FLIPPING OVER AND CAUSING SUBSTANTIAL DAMAGE. UPON INVESTIGATI
- [SDR 2009FA0000745](https://openairdocs.org/sdr/2009FA0000745), Aug 17, 2009: MAGNETO. FAILED. LT MAGNETO SEVERE MISS AND INTERMITTENT, INOPERATIVE IN FLIGHT. SB'S 02-08A AND 03-08A C/W THROUGH INSP. LT MAGNETO, SLICK MODEL 6364, SN 06121363 WITH 356 TOTA
- [SDR CA060717002](https://openairdocs.org/sdr/CA060717002), Jul 10, 2006: HEATER. CRACKED. (CAN) LT MUFFLER CRACKING, BURNING THROUGH. RT MUFFLER CRACKED. STACK CRACKED. NOTE: CRACKS NOT VISIBLE WITH ATTACHMENTS (SCROUNDS) ON. MUFFLER HEATER - LT P/N 
- [SDR 2006FA0000573](https://openairdocs.org/sdr/2006FA0000573), May 25, 2006: RIB. CRACKED. RIB, CRACKED AT VERTICAL HINGE LINE JUNCTURE. STRESS FROM COUNTER WEIGHT AND NORMAL WEAR. AGE OF THE PART AND THE WIND. SUBMITTER RECOMMENDS CLOSE INSPECTION AN
- [SDR CA040825001](https://openairdocs.org/sdr/CA040825001), Aug 17, 2004: BRACKET. CRACKED. (CAN) CHANGED LT UPPER ENGINE RAIL BRACKET. PN 0411281-6 REPLACED WITH NEW PART. NEW HARDWARE USED.
- [SDR CA040723005](https://openairdocs.org/sdr/CA040723005), Jul 10, 2004: SPRING. BROKEN. (CAN) NO POWER TO RT MAGNETO DUE TO BROKEN IMPULSE SPRING RETARDING TIMING.
- [SDR CA040429010](https://openairdocs.org/sdr/CA040429010), Apr 29, 2004: HUB. CORRODED. (CAN) UPON INSPECTION SEVERE CORROSION IN HUB CAVITY AND IN MOUNTING BORE. DIMENSIONS AT MINIMUM BEFORE REWORK. PROPELLER IS UNSERVICEABLE.
- [SDR CA040415002](https://openairdocs.org/sdr/CA040415002), Apr 4, 2004: VALVE GUIDE. WORN. (CAN) CYLINDER NR 3, 4 AND 5, EXCESSIVE OIL CONSUMPTION AND LOW COMPRESSION. ENGINE WAS RETURNED TO OVERHAUL FACILITY WHERE IT WAS DISCOVERED THAT 3 OF 6 CYLIND
- [SDR CA010223002](https://openairdocs.org/sdr/CA010223002), Feb 6, 2001: BLADE. CORRODED. (CAN) EXTRA WORK REQUIRED TO REMOVE CORROSION FROM BLADE FACE (CAMBER FACE) IN ACCORDANCE WITH MCCAULEY MANUAL 730720.
- [SDR AU000807](https://openairdocs.org/sdr/AU000807), Sep 5, 2000: TACHOMETER. WORN. (AUS) TACHOMETER FAILED. ITEM HAD BEEN LAST OVERHAULED IN 1972. (X)
- [SDR AU000588](https://openairdocs.org/sdr/AU000588), Jun 11, 2000: ENGINE. MAKING METAL. (AUS) DURING CRUISE, A DROP IN INDICATED OIL PRESSURE AND A RISE IN OIL TEMPERATURE WAS OBSERVED. A POST INSPECTION FOUND THE OIL FILTER CLOGGED WITH ALUMINIUM 
- [SDR AU000849](https://openairdocs.org/sdr/AU000849), Apr 23, 2000: EXHAUST VALVE. SEIZED. (AUS) NR 4 CYLINDER EXHAUST VALVE STUCK IN VALVE GUIDE. (X)
- [SDR CA000301011](https://openairdocs.org/sdr/CA000301011), Feb 15, 2000: CONTROL CABLE. FRAYED. (CAN) DURING THE ANNUAL INSPECTION, THE RUDDER CABLES WERE FOUND CORRODED AND FRAYED WHERE THEY PASS THROUGH THE TAILCONE AREA. THE SUBMITTER STATES THAT THIS A
- [SDR AU000128053](https://openairdocs.org/sdr/AU000128053), Jan 5, 2000: ENGINE. SEIZED. (AU) ENGINE LOST ITS OIL AND SEIZED. OPERATOR SPECIFIED FROZEN BREATHER AS THE CAUSE.
- [SDR CA000128053](https://openairdocs.org/sdr/CA000128053), Jan 5, 2000: ENGINE. SEIZED. (CAN) ENGINE LOST ITS OIL AND SEIZED. OPERATOR SPECIFIED FROZEN BREATHER AS THE CAUSE.
- [SDR 99ZZZX4693](https://openairdocs.org/sdr/99ZZZX4693), Dec 1, 1999: ROCKER ARM. FAILED. NR 6 CYLINDER EXHAUST ROCKER ARM FAILED ON TAKEOFF, INBOARD SECTION CRACKED AT PUSHROD END OIL FEED HOLE AND APPROXIMATELY 180 DEGREES FROM THAT HOLE. PART IS M
- [SDR 99ZZZX4432](https://openairdocs.org/sdr/99ZZZX4432), Nov 7, 1999: CRANKSHAFT. FAILED. CRANKSHAFT BROKEN AT NR 6 CONNECTING ROD PIN. OFF-AIRPORT LANDING WITH NO DAMAGE OR INJURY.
- [SDR CA990927046](https://openairdocs.org/sdr/CA990927046), Sep 8, 1999: MOUNT. WORN. (CAN) ENGINE MOUNT WORN.
- [SDR CA990927047](https://openairdocs.org/sdr/CA990927047), Sep 8, 1999: MUFFLER. MISREPAIRED. (CAN) UNAPPROVED WELD REPAIR ON RIGHT MUFFLER.
- [SDR CA990531042](https://openairdocs.org/sdr/CA990531042), May 26, 1999: SUPPORT. BROKEN. (CAN) RIGHT HAND CONTROL COLUMN OPPERATION BECAME BLOCKED CAUSING LOSS OF AIRCRAFT DURING LANDING APPROACH. THE INSTRUMENT PANEL BRACE BECAME BROKEN AS STATED I
- [SDR CA981109016](https://openairdocs.org/sdr/CA981109016), Oct 22, 1998: BLADE. CORRODED. (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. INSPECTION FOUND CORROSION AND BLADE DAMAGE DUE TO STONES.
- [SDR CA980811010](https://openairdocs.org/sdr/CA980811010), Jul 24, 1998: CYLINDER. CRACKED. (CAN) LOW COMPRESSION ON NR 2 CYLINDER. INSPECTION FOUND A STICKING EXHAUST VALVE AND THE CYLINDER CRACKED SLIGHTLY FROM THE EXHAUST SEAT TO THE SPARK PLUG. THE
- [SDR 98ZZZX3074](https://openairdocs.org/sdr/98ZZZX3074), May 7, 1998: BREAKER ASSY. FAILED. RIGHT MAGNETO DEVELOPED A LOW EXCESSIVE DROP OF 150 RPM ON GROUND. CHECKS AT 1600 RPM. FOUND RT MAG BREAKER ASSY WITH BROKEN CAM FOLLOWER SPRINGLEAF NEXT TO FAC
- [SDR 98ZZZX2468](https://openairdocs.org/sdr/98ZZZX2468), May 2, 1998: CYLINDER. FAILED. PILOT WAS IN NORMAL CRUISE WHEN HE HAD A SUDDEN POWER LOSS AND ENGINE VIBRATION. AN UNEVENTFUL LANDING WAS MADE ON A ROAD. INVESTIGATION REVEALED THE NR 2 CYLIN
- [SDR 97ZZZX4303](https://openairdocs.org/sdr/97ZZZX4303), Sep 1, 1997: VALVE. STUCK. ENGINE FOUND WITH EXHAUST VALVE STICKING OPEN. AIRCRAFT HAD BEEN RUN ON AUTO GAS. SMOH: 925 HOURS.
- [SDR 97ZZZX1841](https://openairdocs.org/sdr/97ZZZX1841), Apr 8, 1997: OIL PAN. CORRODED. CORROSION FOUND INSIDE OF THE BOTTOM OF THE OIL PAN AROUND THE PLUG BOSS. THIS WAS DUE TO MOISTURE CONDENSING AND COLLECTING AT THE BOTTOM OF PAN. IF THE AIRCRA
- [SDR 96ZZZX5722](https://openairdocs.org/sdr/96ZZZX5722), Nov 7, 1996: CYLINDER. EXCESS WEAR. THIS FACILITY INSTALLED SIX CYL ASSEMBLIES PREASSEMBLED BY TCM ON AN O300A ENGINE (CESSNA 172). ENGINE WAS OPERATED ON 80/87 AVIATION FUEL AND AEROSHELL 80 MINE
- [SDR CA961016002](https://openairdocs.org/sdr/CA961016002), Aug 16, 1996: OIL SUMP. CRACKED. (CAN) DURING ANNUAL INSPECTION AN OIL LEAK REPORTED BY THE OWNER LED TO INSPECTION OF THE OIL SUMP. EIGHT SMALL CRACKS WERE FOUND FROM THE FORWARD DRAIN PLUG, O
- [SDR AU960759](https://openairdocs.org/sdr/AU960759), Mar 31, 1996: VALVE. STICKING. (AUS) EXHAUST VALVE STUCK - OTHER FIVE VALVES TIGHT IN VALVE GUIDES
- [SDR 96ZZZX778](https://openairdocs.org/sdr/96ZZZX778), Jan 1, 1996: CARBURETOR. MOUSE FOD. INVESTIGATION AFTER ENGINE FAILURE DISCOVERED A MOUSE LODGED IN THE CARBURETOR THROAT. THE DESIGN OF THE CABIN/CARBURETOR HEAT SYSTEM LEAVES AN OPEN PATH FROM T
- [SDR 95ZZZX6406](https://openairdocs.org/sdr/95ZZZX6406), Oct 31, 1995: OIL PUMP. BUSHING DEFECT. DURING MAJOR OVERHAUL, REAR CASE/OIL PUMP ASSY AND GEARS REWORKED. ENGINE HAD GOOD OIL PRESSURE, BUT AT OIL CHANGE, PUMP WOULD NOT PRIME ITSELF. DISSASSEMBLY RE
- [SDR 96ZZZX382](https://openairdocs.org/sdr/96ZZZX382), Oct 15, 1995: GUIDE. WORN. INSTALLED 6 NEW SUPERIOR MILLENIUM CYLINDERS. THREE CYLINDERS LOST COMPRESSION WITHIN 24 HOURS. PULLED ALL 6 CYLINDERS. ALL 6 EXHAUST GUIDES WORN BEYOND SERVICE
- [SDR 95ZZZX5932](https://openairdocs.org/sdr/95ZZZX5932), Sep 22, 1995: GUIDE. EXCESS WEAR. NEW CYLINDERS FOR ENGINE ONLY LASTED FOR 85 HOURS WHEN EXHAUST GUIDES EXHIBITED EXCESS WEAR.
- [SDR 95ZZZX1433](https://openairdocs.org/sdr/95ZZZX1433), Mar 3, 1995: MAGNETO. DEFECTIVE. AIRCRAFT LANDED ON ROAD 15 MINUTES AFTER TAKEOFF DUE TO ROUGH ENGINE AND NOT ABLE TO MAINTAIN ALTITUDE. AIRCRAFT HAS NOT RUN IN A LONG TIME. RAN AIRCRAFT ON GRO
- [SDR 95ZZZX1434](https://openairdocs.org/sdr/95ZZZX1434), Mar 3, 1995: MAGNETO. DEFECTIVE. AIRCRAFT LANDED ON ROAD 15 MINUTES AFTER TAKEOFF DUE TO ROUGH ENGINE AND NOT ABLE TO MAINTAIN ALTITUDE. AIRCRAFT HAS NOT RUN IN A LONG TIME. RAN AIRCRAFT ON GRO
- [SDR 95ZZZX1001](https://openairdocs.org/sdr/95ZZZX1001), Jan 20, 1995: CYLINDER. GUIDE FAILED. ACFT OWNER'S BOOK ON THE O300A CALLS FOR 80/87 FUEL. HOWEVER, THE LEAD HAS BEEN REMOVED FROM 80/87, SO NO LUBRICATION COULD TAKE PLACE. CONTINENTAL USES LEAD IN
- [SDR 95ZZZX1002](https://openairdocs.org/sdr/95ZZZX1002), Jan 20, 1995: CYLINDER. CRACKED. CYLINDER CRACKED BETWEEN INTAKE AND EXHAUST SEATS.
- [SDR 95ZZZX952](https://openairdocs.org/sdr/95ZZZX952), Jan 20, 1995: RETAINER. MISSING. DISASSEMBLY OF THE CYLINDER DISCLOSED A MISSING RETAINER FOR THE EXHAUST VALVE SPRING. WEAR INTO THE ALUMINUM HEAD WAS NOTED. 'NR 2 CYLINDER'.

## STCs that may be installed (OpenAirDocs) (35)

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 SE00533SE](https://openairdocs.org/stc/SE00533SE): Installation of Real Gasket Corporation Continental Engine Pushrod Tube Modification. Real Gaskets Tennessee
- [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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.