# Continental C85-8F - Type: Engine model (FAA registry) - Registry code: 17120 - Manufacturer (registry): CONT MOTOR - Model: C85-8F - 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: 18 registered aircraft - Page: https://openairdocs.org/engine/continental-c85-8f 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 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 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 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 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 (18) - [N12034](https://openairdocs.org/aircraft/N12034): [Hebron Randall C](https://openairdocs.org/faa-owner/HEBRON%20RANDALL%20C), [Westland, MI](https://openairdocs.org/faa-place/MI/Westland), built 1964, S/N 165 - [N129JK](https://openairdocs.org/aircraft/N129JK): [Bavarian Barnestormers Inc](https://openairdocs.org/faa-owner/BAVARIAN%20BARNESTORMERS%20INC), [North Fort Myers, FL](https://openairdocs.org/faa-place/FL/North%20Fort%20Myers), built 1944, S/N 12985 - [N208DL](https://openairdocs.org/aircraft/N208DL): built 1947, S/N 5478 - [N249MM](https://openairdocs.org/aircraft/N249MM): [Bishop Harold](https://openairdocs.org/faa-owner/BISHOP%20HAROLD), [Bonners Ferry, ID](https://openairdocs.org/faa-place/ID/Bonners%20Ferry), built 1946, S/N 7AC-2877 - [N27254](https://openairdocs.org/aircraft/N27254): [Thomas James M](https://openairdocs.org/faa-owner/THOMAS%20JAMES%20M), [Tuckerman, AR](https://openairdocs.org/faa-place/AR/Tuckerman), built 1940, S/N 743 - [N340TR](https://openairdocs.org/aircraft/N340TR): [Sunbelt Aircraft Sales](https://openairdocs.org/faa-owner/SUNBELT%20AIRCRAFT%20SALES), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1944, S/N 12111 - [N3564K](https://openairdocs.org/aircraft/N3564K): [Lubbe Colton Christian](https://openairdocs.org/faa-owner/LUBBE%20COLTON%20CHRISTIAN), [East Falmouth, MA](https://openairdocs.org/faa-place/MA/East%20Falmouth), built 1946, S/N 22256 - [N3984E](https://openairdocs.org/aircraft/N3984E): [Benjamin Robert J](https://openairdocs.org/faa-owner/BENJAMIN%20ROBERT%20J), [Lebanon, OR](https://openairdocs.org/faa-place/OR/Lebanon), built 1947, S/N 11BC-72 - [N4349E](https://openairdocs.org/aircraft/N4349E): [Cook David A](https://openairdocs.org/faa-owner/COOK%20DAVID%20A), [Castleton, NY](https://openairdocs.org/faa-place/NY/Castleton), built 1948, S/N 7DC-10 - [N617D](https://openairdocs.org/aircraft/N617D): [Nielsen Mona L](https://openairdocs.org/faa-owner/NIELSEN%20MONA%20L), [Ford, WA](https://openairdocs.org/faa-place/WA/Ford), built 2003, S/N 002 - [N6839H](https://openairdocs.org/aircraft/N6839H): [Suehs Joshua Carl Ward](https://openairdocs.org/faa-owner/SUEHS%20JOSHUA%20CARL%20WARD), [Waupaca, WI](https://openairdocs.org/faa-place/WI/Waupaca), built 1946, S/N 20064 - [N70331](https://openairdocs.org/aircraft/N70331): [Fager Daniel L Trustee](https://openairdocs.org/faa-owner/FAGER%20DANIEL%20L%20TRUSTEE), [Amanda, OH](https://openairdocs.org/faa-place/OH/Amanda), built 1993, S/N CMC-93-2464 - [N70927](https://openairdocs.org/aircraft/N70927): [Grosch Dick D](https://openairdocs.org/faa-owner/GROSCH%20DICK%20D), [O'Neill, NE](https://openairdocs.org/faa-place/NE/O'Neill), built 1946, S/N 17954 - [N71231](https://openairdocs.org/aircraft/N71231): [Yeash Kevin M](https://openairdocs.org/faa-owner/YEASH%20KEVIN%20M), [Pemberton, NJ](https://openairdocs.org/faa-place/NJ/Pemberton), built 1946, S/N 2678 - [N7159D](https://openairdocs.org/aircraft/N7159D): [Qualls Randy J](https://openairdocs.org/faa-owner/QUALLS%20RANDY%20J), [Claremore, OK](https://openairdocs.org/faa-place/OK/Claremore), S/N 238C - [N84020](https://openairdocs.org/aircraft/N84020): [Baker Robert](https://openairdocs.org/faa-owner/BAKER%20ROBERT), [Dorr, MI](https://openairdocs.org/faa-place/MI/Dorr), built 1946, S/N 7AC-2707 - [N84149](https://openairdocs.org/aircraft/N84149): [Bower Kevin R](https://openairdocs.org/faa-owner/BOWER%20KEVIN%20R), [Oldenburg, IN](https://openairdocs.org/faa-place/IN/Oldenburg), built 1946, S/N 7AC-2833 - [N85312](https://openairdocs.org/aircraft/N85312): [Townsley Michael F](https://openairdocs.org/faa-owner/TOWNSLEY%20MICHAEL%20F), [Deep River, IA](https://openairdocs.org/faa-place/IA/Deep%20River), built 1946, S/N 7AC-4051 ## 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 BFO90LA035](https://openairdocs.org/ntsb/BFO90LA035), Apr 18, 1990: Luscombe 8A (N71231), Frederick, MD, substantial damage. Probable cause: THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL, AND USED EXCESSIVE BRAKING TRYING TO REGAIN CONTROL. - [NTSB MKC84LA061](https://openairdocs.org/ntsb/MKC84LA061), Jan 9, 1984: Piper J-3 (N6839H), Battle Creek, NE, substantial damage - [NTSB FTW70F0227](https://openairdocs.org/ntsb/FTW70F0227), Sep 28, 1969: Harwood W8L (N12034), Tahlequah, OK, substantial damage - [NTSB FTW67F0633](https://openairdocs.org/ntsb/FTW67F0633), May 7, 1967: Piper J3C-65 (N6839H), Matagorda, TX, substantial damage - [NTSB MKC66F0115](https://openairdocs.org/ntsb/MKC66F0115), May 29, 1965: Piper J3C (N70927), Viewfield, SD, substantial damage ## FAA accident and incident reports (3) 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. - [Incident 20060917028459I](https://openairdocs.org/incident/20060917028459I), Sep 17, 2006: Piper J3C65 (N6839H), Yankton, SD, Minor damage. (-23) On September 17, 2006, while taxiing left off of runway 31 at Yankton, SD, N6839H, a PA-J3, was tipped up by a crosswind. The engine was shut down and… - [Accident 19900418010199A](https://openairdocs.org/incident/19900418010199A), Apr 18, 1990: Luscom 8A (N71231), Fredrick, MD, Substantial damage. Crosswind gust caused a swerve into wind on landing. Corrected but hit brakes and nosed over. - [Accident 19840109001279A](https://openairdocs.org/incident/19840109001279A), Jan 9, 1984: Piper J3C65 (N6839H), Battlecreek, NE, Substantial damage. Right main gear broke while taxiing ski equipped aircraft on a snow covered field. A search and rescue flight. ## STCs that may be installed (OpenAirDocs) (40) 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 - [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 SE01309AT](https://openairdocs.org/stc/SE01309AT): Modify engines. Lowe Aviation Aircraft Maintenance - [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 SE8669SW](https://openairdocs.org/stc/SE8669SW): Installation of roller rocker arm. Performance Engineering - [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 --- 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.