# Continental C85-8FJ

- Type: Engine model (FAA registry)
- Registry code: 17122
- Manufacturer (registry): CONT MOTOR
- Model: C85-8FJ
- Engine type: Reciprocating
- Power: 85 hp
- Data sheet: [TCDS E-233](https://openairdocs.org/tcds/E-233) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 11 registered aircraft
- Page: https://openairdocs.org/engine/continental-c85-8fj

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 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 93-22-05](https://openairdocs.org/ad/93-22-05): Carburetor Air Intake Housing Assemblies · Continental Motors C90-12F, C90-12FH, C90-12FJ and 22 more. Effective Dec 14, 1993
- [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 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981
- [AD 81-07-06](https://openairdocs.org/ad/81-07-06): AC Fuel Pumps · Continental Motors A-65-1, A-65-12, A-65-12F and 60 more. Effective Apr 1, 1981
- [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
- [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more
- [AD 49-50-01](https://openairdocs.org/ad/49-50-01): Generator Drive Coupling Rubber Disc · Continental Motors C-125-1, C-125-2, C145-2 and 27 more

## Information bulletins (advisory) (4)

- [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
- [SAIB CE-98-21R1](https://openairdocs.org/saib/CE-98-21R1): . Issued Jun 10, 1998

## Registered aircraft (11)

- [N2103K](https://openairdocs.org/aircraft/N2103K): [Klatt Mathew](https://openairdocs.org/faa-owner/KLATT%20MATHEW), [Waupaca, WI](https://openairdocs.org/faa-place/WI/Waupaca), built 1946, S/N 7AC-609
- [N27XB](https://openairdocs.org/aircraft/N27XB): [Walters Jonathan H](https://openairdocs.org/faa-owner/WALTERS%20JONATHAN%20H), [Malvern, OH](https://openairdocs.org/faa-place/OH/Malvern), built 2019, S/N 001
- [N3007C](https://openairdocs.org/aircraft/N3007C): [Grassroots Avco LLC](https://openairdocs.org/faa-owner/GRASSROOTS%20AVCO%20LLC), [Statesville, NC](https://openairdocs.org/faa-place/NC/Statesville), built 2007, S/N 844
- [N3282E](https://openairdocs.org/aircraft/N3282E): [Murray James D](https://openairdocs.org/faa-owner/MURRAY%20JAMES%20D), [Lakeview, NC](https://openairdocs.org/faa-place/NC/Lakeview), built 1947, S/N 7AC-6765
- [N3408E](https://openairdocs.org/aircraft/N3408E): [Jacobs Paul L](https://openairdocs.org/faa-owner/JACOBS%20PAUL%20L), [Huntsville, AL](https://openairdocs.org/faa-place/AL/Huntsville), built 1947, S/N 7AC-6821
- [N42815](https://openairdocs.org/aircraft/N42815): [Hendershott Kevin](https://openairdocs.org/faa-owner/HENDERSHOTT%20KEVIN), [Vacaville, CA](https://openairdocs.org/faa-place/CA/Vacaville), built 1945, S/N 15133
- [N6040V](https://openairdocs.org/aircraft/N6040V): [Moser Mark W](https://openairdocs.org/faa-owner/MOSER%20MARK%20W), [Wooster, OH](https://openairdocs.org/faa-place/OH/Wooster), S/N 47-831
- [N644JW](https://openairdocs.org/aircraft/N644JW): [Redding Nicholas A](https://openairdocs.org/faa-owner/REDDING%20NICHOLAS%20A), [Skiatook, OK](https://openairdocs.org/faa-place/OK/Skiatook), built 2005, S/N 1936
- [N83295](https://openairdocs.org/aircraft/N83295): [Steffey Charles S](https://openairdocs.org/faa-owner/STEFFEY%20CHARLES%20S), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh), built 1946, S/N 7AC-1962
- [N85WK](https://openairdocs.org/aircraft/N85WK): [Keegstra Wayne](https://openairdocs.org/faa-owner/KEEGSTRA%20WAYNE), [Hamilton, MI](https://openairdocs.org/faa-place/MI/Hamilton), built 2017, S/N 2393
- [N87DD](https://openairdocs.org/aircraft/N87DD): [Griffin Scott M](https://openairdocs.org/faa-owner/GRIFFIN%20SCOTT%20M), [Springfield, OH](https://openairdocs.org/faa-place/OH/Springfield), built 1963, S/N 1

## NTSB investigations (3)

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 MIA91LA120](https://openairdocs.org/ntsb/MIA91LA120), Apr 10, 1991: Aeronca 7CCM (N6040V), Lakeland, FL, substantial damage. Probable cause: IMPROPER ATC CLEARANCE BY GROUND PERSONNEL AND POOR DECISION BY THE PILOT TO TAXI BEHIND AN AIRPLANE HOLDING ON A RUNWAY.
- [NTSB MKC72DER27](https://openairdocs.org/ntsb/MKC72DER27), Nov 13, 1971: Aeronca L-16 (N6040V), Lakeville, MN, substantial damage
- [NTSB UNK64X0844](https://openairdocs.org/ntsb/UNK64X0844), Mar 8, 1964: Aeronca 7AC (N3408E), Ozark, AL, substantial damage

## FAA accident and incident reports (1)

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 19910410011319A](https://openairdocs.org/incident/19910410011319A), Apr 10, 1991: Bbavia 7CCM (N6040V), Lakeland, FL, Substantial damage. Holding short NORDO was motioned to cross runway behind aircraft in position. Was blown up on wing from prop blast.

## Service difficulty reports (1)

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

- [SDR 2026FA0000517](https://openairdocs.org/sdr/2026FA0000517), Jun 13, 2026: BEARING. IMPROPER PART. ENGINE REMOVED FOR INSPECTION DUE TO LOW OIL PRESSURE. ON DISASSEMBLY DISCOVERED .020 UNDERSIZE CRANKSHAFT RUNNING IN .010 BEARINGS.

## STCs that may be installed (OpenAirDocs) (37)

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 SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com. Lists C85 Series
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 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 SE7559SW](https://openairdocs.org/stc/SE7559SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool 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 SE4247SW](https://openairdocs.org/stc/SE4247SW): Regrind crankshaft to .020 undersize on crankpin and main journals. Continental Motors, Inc. Lists C85 Series
- [STC SE8113SW](https://openairdocs.org/stc/SE8113SW): Installation of any or all parts identified by Airmotive drawing/parts application list AEC9109-2. Continental Motors, Inc. Lists C85 Series
- [STC SE7562SW](https://openairdocs.org/stc/SE7562SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool Technologies LLC
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee
- [STC SE1590GL](https://openairdocs.org/stc/SE1590GL): Installation of Slick Aircraft Products Magneto Model 4202 or Model 4302. Champion Aerospace LLC
- [STC SE09002SC](https://openairdocs.org/stc/SE09002SC): Regrind Teledyne Continental crankshafts, to .020-inch undersize on crankpin and main journals. Aircraft Specialties Services Inc. Lists C85 Series
- [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 SE634GL](https://openairdocs.org/stc/SE634GL): Superseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation. Lists C85 Series
- [STC SE154CH](https://openairdocs.org/stc/SE154CH): Engine oil pump repair/rework specifications and procedures. Harmony Machine Prod Inc
- [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 C85 Series
- [STC SE02172AT](https://openairdocs.org/stc/SE02172AT): Replace engine crankcase with model O-200 crankcase. Swords Don. Lists C85 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 C85 Series
- [STC SE02004AT](https://openairdocs.org/stc/SE02004AT): Installation of Teledyne Continental Motors (TCM) model O-200 crankshaft, connecting rods and pistons (Superior Air Parts pistons are also approved). Swords Donald H. Lists C85 Series
- [STC SE00979AT](https://openairdocs.org/stc/SE00979AT): Installation of a Teledyne Continental model O-200 crankshaft, connecting rods and pistons. Aircraft Specialties Services Inc. Lists C85 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 C85 Series
- [STC SE00164SE](https://openairdocs.org/stc/SE00164SE): Installation of Avglas components to modify carburetor air housing assemblies. McFarlane Aviation, Inc. Lists C85 Series
- [STC SE01592AT](https://openairdocs.org/stc/SE01592AT): Modify the crankcase of the listed engines. Swords Don. Lists C85 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 C85 Series
- [STC SE154CE](https://openairdocs.org/stc/SE154CE): Engine oil pump repair/rework specifications and procedures. Allison James R. Lists C85 Series
- [STC SE5113NM](https://openairdocs.org/stc/SE5113NM): Install oil filter. Lessard Daryle. Lists C85 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists C85 Series
- [STC SE2030CE](https://openairdocs.org/stc/SE2030CE): Add approved fuel: unleaded automotive gasoline, 87 minimum anitknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2. Petersen Aviation Inc
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists C85 Series
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists C85 Series
- [STC SE984SW](https://openairdocs.org/stc/SE984SW): Delco 55A ampere alternator. (C85 SERIES Suffix F Series). Waldrop Lee A. Lists C85 Series
- [STC SE3CE](https://openairdocs.org/stc/SE3CE): R-30-A alternator. Repke Kenneth J. Lists C85 Series
- [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 C85 Series

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