# Continental C85-12 - Type: Engine model (FAA registry) - Registry code: 17124 - Manufacturer (registry): CONT MOTOR - Model: C85-12 - 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: 82 registered aircraft - Page: https://openairdocs.org/engine/continental-c85-12 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 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more Historical (superseded or no longer in force): - [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more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 (82, first 50) - [N1006L](https://openairdocs.org/aircraft/N1006L): [Anderson Richard A](https://openairdocs.org/faa-owner/ANDERSON%20RICHARD%20A), [Sycamore, IL](https://openairdocs.org/faa-place/IL/Sycamore), built 2005, S/N 1234 - [N1021L](https://openairdocs.org/aircraft/N1021L): [Gault Allen D](https://openairdocs.org/faa-owner/GAULT%20ALLEN%20D), [Katy, TX](https://openairdocs.org/faa-place/TX/Katy), built 2014, S/N RA401 - [N129RM](https://openairdocs.org/aircraft/N129RM): [Madden Russell](https://openairdocs.org/faa-owner/MADDEN%20RUSSELL), [Graford, TX](https://openairdocs.org/faa-place/TX/Graford), built 2018, S/N 120555 - [N133ME](https://openairdocs.org/aircraft/N133ME): [Paup Dennis C](https://openairdocs.org/faa-owner/PAUP%20DENNIS%20C), [Glidden, IA](https://openairdocs.org/faa-place/IA/Glidden), built 2024, S/N 2351 - [N140Q](https://openairdocs.org/aircraft/N140Q): [Schroeder Peter G](https://openairdocs.org/faa-owner/SCHROEDER%20PETER%20G), [Clemmons, NC](https://openairdocs.org/faa-place/NC/Clemmons), built 1946, S/N 9748 - [N14922](https://openairdocs.org/aircraft/N14922): [Greulich Joseph N](https://openairdocs.org/faa-owner/GREULICH%20JOSEPH%20N), [Picayune, MS](https://openairdocs.org/faa-place/MS/Picayune), built 1975, S/N 1-FR - [N1704V](https://openairdocs.org/aircraft/N1704V): [Figure 1 Foundation](https://openairdocs.org/faa-owner/FIGURE%201%20FOUNDATION), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles), built 1948, S/N 13889 - [N18665](https://openairdocs.org/aircraft/N18665): [Lea Courtney E](https://openairdocs.org/faa-owner/LEA%20COURTNEY%20E), [Steelville, MO](https://openairdocs.org/faa-place/MO/Steelville), built 1993, S/N LB001PT - [N2013T](https://openairdocs.org/aircraft/N2013T): [Samford Tristan W](https://openairdocs.org/faa-owner/SAMFORD%20TRISTAN%20W), [Carthage, TX](https://openairdocs.org/faa-place/TX/Carthage), built 1946, S/N 2689 - [N20285](https://openairdocs.org/aircraft/N20285): [Hanson Jonathan G](https://openairdocs.org/faa-owner/HANSON%20JONATHAN%20G), [Nome, AK](https://openairdocs.org/faa-place/AK/Nome), S/N 12897 - [N2054F](https://openairdocs.org/aircraft/N2054F): [Henderson Ladd](https://openairdocs.org/faa-owner/HENDERSON%20LADD), [Pacific City, OR](https://openairdocs.org/faa-place/OR/Pacific%20City), S/N 2007-1 - [N20795](https://openairdocs.org/aircraft/N20795): [Luke Daniel J](https://openairdocs.org/faa-owner/LUKE%20DANIEL%20J), [Burlington, WI](https://openairdocs.org/faa-place/WI/Burlington), built 1990, S/N 101 - [N2130N](https://openairdocs.org/aircraft/N2130N): [Bennett David](https://openairdocs.org/faa-owner/BENNETT%20DAVID), [Apex, NC](https://openairdocs.org/faa-place/NC/Apex), built 1947, S/N 12366 - [N218MK](https://openairdocs.org/aircraft/N218MK): [Weston Stetson J](https://openairdocs.org/faa-owner/WESTON%20STETSON%20J), [Tremonton, UT](https://openairdocs.org/faa-place/UT/Tremonton), built 2018, S/N 003 - [N23194](https://openairdocs.org/aircraft/N23194): [Alvis Michael DBA](https://openairdocs.org/faa-owner/ALVIS%20MICHAEL%20DBA), [Parkton, NC](https://openairdocs.org/faa-place/NC/Parkton), built 1939, S/N 4548 - [N24SN](https://openairdocs.org/aircraft/N24SN): [Moerman Leendert](https://openairdocs.org/faa-owner/MOERMAN%20LEENDERT), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1946, S/N 17790 - [N26058](https://openairdocs.org/aircraft/N26058): [Clifton Ronald L](https://openairdocs.org/faa-owner/CLIFTON%20RONALD%20L), [Circleville, OH](https://openairdocs.org/faa-place/OH/Circleville), built 1941, S/N 6612 - [N27941](https://openairdocs.org/aircraft/N27941): [Draggin My Tail Inc](https://openairdocs.org/faa-owner/DRAGGIN%20MY%20TAIL%20INC), [Huntington, NY](https://openairdocs.org/faa-place/NY/Huntington), built 1940, S/N 4442 - [N3058E](https://openairdocs.org/aircraft/N3058E): [Anderson Blake T](https://openairdocs.org/faa-owner/ANDERSON%20BLAKE%20T), [Locust Grove, GA](https://openairdocs.org/faa-place/GA/Locust%20Grove), built 1946, S/N 7AC-6647 - [N30971](https://openairdocs.org/aircraft/N30971): [Hill Kevin J](https://openairdocs.org/faa-owner/HILL%20KEVIN%20J), [Aurora, MN](https://openairdocs.org/faa-place/MN/Aurora), built 1940, S/N 4-1249 - [N30BC](https://openairdocs.org/aircraft/N30BC): [Reid Douglas M](https://openairdocs.org/faa-owner/REID%20DOUGLAS%20M), [Santa Fe, NM](https://openairdocs.org/faa-place/NM/Santa%20Fe), built 2006, S/N 127-N - [N3174C](https://openairdocs.org/aircraft/N3174C): [Dufresne Roger T](https://openairdocs.org/faa-owner/DUFRESNE%20ROGER%20T), [Forest Lake, MN](https://openairdocs.org/faa-place/MN/Forest%20Lake), built 1947, S/N 7BCM292 - [N322MV](https://openairdocs.org/aircraft/N322MV): [Spence Justin A](https://openairdocs.org/faa-owner/SPENCE%20JUSTIN%20A), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis), S/N 2373 - [N327CL](https://openairdocs.org/aircraft/N327CL): [Maniatis Michael](https://openairdocs.org/faa-owner/MANIATIS%20MICHAEL), [Milton, NY](https://openairdocs.org/faa-place/NY/Milton), built 2023, S/N 001 - [N3403K](https://openairdocs.org/aircraft/N3403K): [Konneker John L](https://openairdocs.org/faa-owner/KONNEKER%20JOHN%20L), [Uniontown, OH](https://openairdocs.org/faa-place/OH/Uniontown), built 1946, S/N 22094 - [N3569K](https://openairdocs.org/aircraft/N3569K): [Tyler Michael G](https://openairdocs.org/faa-owner/TYLER%20MICHAEL%20G), [Frederic, WI](https://openairdocs.org/faa-place/WI/Frederic), S/N 22260 - [N3617H](https://openairdocs.org/aircraft/N3617H): [Beebe, AR](https://openairdocs.org/faa-place/AR/Beebe), built 1946, S/N 4242, Registration pending - [N37FN](https://openairdocs.org/aircraft/N37FN): [Newman Alfred F Jr](https://openairdocs.org/faa-owner/NEWMAN%20ALFRED%20F%20JR), [Trenton, SC](https://openairdocs.org/faa-place/SC/Trenton), built 2021, S/N W-8 FN 2019 - [N3864H](https://openairdocs.org/aircraft/N3864H): [Hensley Michael](https://openairdocs.org/faa-owner/HENSLEY%20MICHAEL), [Coos Bay, OR](https://openairdocs.org/faa-place/OR/Coos%20Bay), built 1947, S/N 4565 - [N39025](https://openairdocs.org/aircraft/N39025): [Henrikson Robert D](https://openairdocs.org/faa-owner/HENRIKSON%20ROBERT%20D), [Chesterfield, MO](https://openairdocs.org/faa-place/MO/Chesterfield), built 1941, S/N 1782 - [N4161E](https://openairdocs.org/aircraft/N4161E): [Maki Duane G](https://openairdocs.org/faa-owner/MAKI%20DUANE%20G), [Wirt, MN](https://openairdocs.org/faa-place/MN/Wirt), built 1947, S/N 7AC-7136 - [N41637](https://openairdocs.org/aircraft/N41637): [Jacobs James A](https://openairdocs.org/faa-owner/JACOBS%20JAMES%20A), [Lakeview, MI](https://openairdocs.org/faa-place/MI/Lakeview), S/N 396 - [N42048](https://openairdocs.org/aircraft/N42048): [Henck Mark E](https://openairdocs.org/faa-owner/HENCK%20MARK%20E), [Indiana, PA](https://openairdocs.org/faa-place/PA/Indiana), built 1941, S/N 7935 - [N42752](https://openairdocs.org/aircraft/N42752): [Saegesser Zachary C](https://openairdocs.org/faa-owner/SAEGESSER%20ZACHARY%20C), [Golden, CO](https://openairdocs.org/faa-place/CO/Golden), built 1945, S/N 15057 - [N43629](https://openairdocs.org/aircraft/N43629): [Wirt James](https://openairdocs.org/faa-owner/WIRT%20JAMES), [Washington, OK](https://openairdocs.org/faa-place/OK/Washington), built 1946, S/N 7288 - [N4374](https://openairdocs.org/aircraft/N4374): [Wooldridge Harry K](https://openairdocs.org/faa-owner/WOOLDRIDGE%20HARRY%20K), [Mc Alpin, FL](https://openairdocs.org/faa-place/FL/Mc%20Alpin), built 2011, S/N HKW 25 - [N43LN](https://openairdocs.org/aircraft/N43LN): [Howell James O](https://openairdocs.org/faa-owner/HOWELL%20JAMES%20O), [Huntsville, AL](https://openairdocs.org/faa-place/AL/Huntsville), built 1979, S/N 6-76-3726 - [N440CR](https://openairdocs.org/aircraft/N440CR): [Langer Brent A](https://openairdocs.org/faa-owner/LANGER%20BRENT%20A), [Owatonna, MN](https://openairdocs.org/faa-place/MN/Owatonna), S/N 17078 - [N444RP](https://openairdocs.org/aircraft/N444RP): [Cox Scot A](https://openairdocs.org/faa-owner/COX%20SCOT%20A), [Delphos, OH](https://openairdocs.org/faa-place/OH/Delphos), built 2022, S/N 001 - [N449ST](https://openairdocs.org/aircraft/N449ST): [Tuttle Ronald A](https://openairdocs.org/faa-owner/TUTTLE%20RONALD%20A), [College Grove, TN](https://openairdocs.org/faa-place/TN/College%20Grove), built 2019, S/N 35 - [N465PF](https://openairdocs.org/aircraft/N465PF): [Flynn Van G](https://openairdocs.org/faa-owner/FLYNN%20VAN%20G), [Ozark, MO](https://openairdocs.org/faa-place/MO/Ozark), built 2013, S/N 7865 - [N46AC](https://openairdocs.org/aircraft/N46AC): [Mccleary Timothy A](https://openairdocs.org/faa-owner/MCCLEARY%20TIMOTHY%20A), [Navarre, OH](https://openairdocs.org/faa-place/OH/Navarre), built 1946, S/N 7AC-3382 - [N4857](https://openairdocs.org/aircraft/N4857): [Thompson Micheal J](https://openairdocs.org/faa-owner/THOMPSON%20MICHEAL%20J), [Nine Mile Falls, WA](https://openairdocs.org/faa-place/WA/Nine%20Mile%20Falls), built 2010, S/N 4857 - [N49178](https://openairdocs.org/aircraft/N49178): [Arctic Warbirds LLC](https://openairdocs.org/faa-owner/ARCTIC%20WARBIRDS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1946, S/N L-5821 - [N494JP](https://openairdocs.org/aircraft/N494JP): [Puent John D](https://openairdocs.org/faa-owner/PUENT%20JOHN%20D), [Fountain, MN](https://openairdocs.org/faa-place/MN/Fountain), built 2024, S/N 006 - [N4PW](https://openairdocs.org/aircraft/N4PW): [Goeken William K Trustee](https://openairdocs.org/faa-owner/GOEKEN%20WILLIAM%20K%20TRUSTEE), [Sanger, TX](https://openairdocs.org/faa-place/TX/Sanger), built 1946, S/N 2135 - [N5097F](https://openairdocs.org/aircraft/N5097F): [Garcia Roberto P](https://openairdocs.org/faa-owner/GARCIA%20ROBERTO%20P), [Spring Hill, FL](https://openairdocs.org/faa-place/FL/Spring%20Hill), built 1940, S/N 4919 - [N5124](https://openairdocs.org/aircraft/N5124): [Lemieux Kenneth G](https://openairdocs.org/faa-owner/LEMIEUX%20KENNETH%20G), [Oneida, TN](https://openairdocs.org/faa-place/TN/Oneida), built 2016, S/N 3486 - [N528BB](https://openairdocs.org/aircraft/N528BB): [Absher Jerry L](https://openairdocs.org/faa-owner/ABSHER%20JERRY%20L), [Hilltop Lakes, TX](https://openairdocs.org/faa-place/TX/Hilltop%20Lakes), built 2013, S/N T0028995 - [N57TM](https://openairdocs.org/aircraft/N57TM): [Wishon George R](https://openairdocs.org/faa-owner/WISHON%20GEORGE%20R), [Hamptonville, NC](https://openairdocs.org/faa-place/NC/Hamptonville), built 2021, S/N 002 All 82: https://openairdocs.org/engine/continental-c85-12/aircraft.md ## NTSB investigations (12) 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 WPR25LA168](https://openairdocs.org/ntsb/WPR25LA168), Jun 2, 2025: Aeronca 7BCM (N85311), Port Townsend, WA, substantial damage. Probable cause: The flight instructor’s delayed remedial action and inadequate compensation for shifting wind conditions which resulted in a veer off the runway and collision with a sign. - [NTSB WPR23LA193](https://openairdocs.org/ntsb/WPR23LA193), May 20, 2023: Cessna 140 (N77J), American Falls, ID, substantial damage. Probable cause: The pilot’s inadvertent selection of the off position of the fuel tank selector inflight, which resulted in a total loss of engine power due to fuel starvation. - [NTSB ERA23LA221](https://openairdocs.org/ntsb/ERA23LA221), May 5, 2023: Aeronca 7DC-CONV (N3058E), Fort Mill, SC, substantial damage. Probable cause: The pilot’s failure to apply carburetor heat before initiating a descent in conditions conducive to the development of carburetor icing, which resulted in a partial loss of engine power due to… - [NTSB CEN21LA242](https://openairdocs.org/ntsb/CEN21LA242), May 30, 2021: Piper J4A (N8501Z), Omaha, NE, substantial damage. Probable cause: A total loss of engine power due to a blocked fuel tank cap vent hole, which resulted in fuel starvation. Contributing to the accident was the mechanic’s and the pilot’s inadequate inspections of the… - [NTSB CEN19LA216](https://openairdocs.org/ntsb/CEN19LA216), Jul 8, 2019: Rutan Varieze (N112EZ), Kaneville, IL, substantial damage. Probable cause: The pilot's failure to use carburetor heat while operating at low power settings in conditions conducive to the development of carburetor ice, and the subsequent total loss of engine power due to… - [NTSB CEN18FA186](https://openairdocs.org/ntsb/CEN18FA186), May 22, 2018: James Donald Baker Zenith (N622DP), Bolivar, MO, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain airplane control after takeoff. - [NTSB CEN09CA219](https://openairdocs.org/ntsb/CEN09CA219), Mar 15, 2009: Aeronca 7AC-CONV (N82041), Stanley, ND, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing. - [NTSB NYC07CA190](https://openairdocs.org/ntsb/NYC07CA190), Aug 12, 2007: Ackert Dakota Hawk DH23 (N6128A), Sebring, FL, substantial damage. Probable cause: Preexisting cracking of the landing gear tubing. - [NTSB LAX01LA111](https://openairdocs.org/ntsb/LAX01LA111), Mar 8, 2001: Cessna 140 (N77J), San Jose, CA, substantial damage. Probable cause: The failure of the pilot to maintain directional control during landing. - [NTSB LAX00LA334](https://openairdocs.org/ntsb/LAX00LA334), Sep 2, 2000: Aeronca 7AC (N82107), Paso Robles, CA, substantial damage. Probable cause: the pilot's failure to brief his passenger about the operation of the controls. - [NTSB SEA77DYI02](https://openairdocs.org/ntsb/SEA77DYI02), Nov 26, 1976: Aeronca 7AC (N82041), Bandon, OR, substantial damage - [NTSB IAD76FKM18](https://openairdocs.org/ntsb/IAD76FKM18), Nov 18, 1975: Erco 415-D (N3864H), Witsett, NC, substantial damage ## FAA accident and incident reports (22) 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 20250601006809A](https://openairdocs.org/incident/20250601006809A), Jun 1, 2025: Aeronca 7BCM (N85311), Port Townsend, WA, Substantial damage. CFI providing tailwheel instruciton to another pilot. Upon landing a strong headwind changed to a strong tailwind, immediately causing the aircraft to ground… - [Incident 20231007017609I](https://openairdocs.org/incident/20231007017609I), Oct 7, 2023: Edwin Stafford GN-1 AIRCAMPER (N5124), London, KY, Minor damage. Landing runway 24 at kloz pilot experienced strong and gusty crosswinds. Aircraft ballooned , maintained attitude and aircraft contacted runway harder than… - [Accident 20230520007499A](https://openairdocs.org/incident/20230520007499A), May 20, 2023: Cessna 140 (N77J), Amercian Falls, ID, Substantial damage. Pilot filled both tanks with fuel, completed pre inspection, checked oil levels and drained fuel sump. Performed pre checklist and departed from U01. As pilot… - [Accident 20230505006079A](https://openairdocs.org/incident/20230505006079A), May 5, 2023: Aeronca 7DC-CONV (N3058E), Fort Mill, SC, Substantial damage. The aircraft departed keqy on a sightseeing flight. After climbing up and departing the traffic pattern, the pilot and his passenger decided to descend to… - [Accident 20210530009419A](https://openairdocs.org/incident/20210530009419A), May 30, 2021: Piper J4A (N8501Z), Omaha, NE, Substantial damage. On may 30, 2021 at approximately 0945 central daylight time, a Piper J4A airplane was substantially damage due to impact with terrain shortly after takeoff at… - [Incident 20200409004509I](https://openairdocs.org/incident/20200409004509I), Apr 9, 2020: Silvaire LUSCOMBE 8A (N71965), Palm Coast, FL, Minor damage. The pilot stated he had a quartering right tailwind and approximately half way down the taxiway took a gust to the tail. This caused the aircraft to veer to… - [Accident 20190708009499A](https://openairdocs.org/incident/20190708009499A), Jul 8, 2019: Knight-Wilcox VARIEZE (N112EZ), Sugar Grove, IL, Destroyed. The aircraft departed waukegan (kugn) airport for Aurora (karr) airport. Karr was reporting IFR conditions due to haze and smoke. The pilot decided to hold… - [Accident 20180522005759A](https://openairdocs.org/incident/20180522005759A), May 22, 2018: Baker Don ZENITH 601 (N622DP), Bolivar, MO, Substantial damage, 1 fatal. The aircraft departed Bolivar Municipal Airport from runway 18. Approximately three quarter mile from the departure runway, the aircraft struck a tree on a… - [Incident 20170923019799I](https://openairdocs.org/incident/20170923019799I), Sep 23, 2017: Edwin Stafford GN-1 AIRCAMPER (N5124), Madisonville, KY, Minor damage. The pilot[privacy data omitted] of the mishap aircraft was practicing taxi and groundwork in this conventional gear aircraft and had no intent on flying. He… - [Incident 20100721044299I](https://openairdocs.org/incident/20100721044299I), Jul 21, 2010: Hill Richar PIETENPOL A (N20795), Middleton, WI, Minor damage. While performing a wheel landing the aircraft was hit by a gust of wind and inadvertently hit the propeller on the grass runway. - [Accident 20090315010679A](https://openairdocs.org/incident/20090315010679A), Mar 15, 2009: Bbavia 7AC (N82041), Stanley, ND, Substantial damage. (-23) The pilot operating in accordance with 14CFR part 91, reportd that upon landing and roll out for about 100 yards the airplane swerved to the right and… - [Incident 20080712842099I](https://openairdocs.org/incident/20080712842099I), Jul 12, 2008: Amtr PIETENPOLMIL (N927WC), Hollister, CA, Minor damage. (-23) [privacy data omitted] the pilot in command of N927WC, ground looped his experimental aircraft during landing at Hollister airport, in Hollister, CA. The… - [Accident 20080618846819A](https://openairdocs.org/incident/20080618846819A), Jun 18, 2008: Amtr AIRCAMPER (N20795), Middleton, WI, No damage. On June 18, 2008 at 1130 CDT an amateur built experimental pietenpol Aircamper registered to [privacy data omitted] suffered a collapsed right gear while… - [Accident 20070812017829A](https://openairdocs.org/incident/20070812017829A), Aug 12, 2007: Amtr DAKOTAHKDH23 (N6128A), Sebring, FL, Substantial damage. (-23) On August 12, 2007 at approximately 1141 EDT, an experimental homebult dakota hawk, N6128A, flown by the pilot [privacy data omitted] landed on runway 14… - [Incident 20070611825029I](https://openairdocs.org/incident/20070611825029I), Jun 11, 2007: Amtr AIRCAMPER (N20795), Middleton, WI, Minor damage. (-23) The aircraft departed the right side of runway 10 during landing. During roll out the right gear collapsed. Winds were reported 140 @ 8 to 9 knots. - [Accident 20010308002969A](https://openairdocs.org/incident/20010308002969A), Mar 8, 2001: Cessna 140 (N77J), San Jose, CA, No damage. (-23)A student pilot was engaged in solo touch and go landing practice on the 5th or 6th landing, the student bounced the aircraft and when he brought it back… - [Accident 20000902009289A](https://openairdocs.org/incident/20000902009289A), Sep 2, 2000: Bbavia 7AC (N82107), Paso Robles, CA, No damage. (-23) Pilot stated after touchdown, the a/c swerved to the right and he had no control over the a/c. the pilot stated that he and the passenger determined that… - [Incident 19960424008279I](https://openairdocs.org/incident/19960424008279I), Apr 24, 1996: Bbavia 7BCM (N46AC), Charlotte, MI, Minor damage. Narrative: in cruise flight, propeller separated from engine, struck right wing leading edge. Aircraft landed on road. Crankshaft failure - indication of… - [Incident 19910608031659I](https://openairdocs.org/incident/19910608031659I), Jun 8, 1991: Univar 415D (N3864H), Denver, CO. Aircraft did not attain enough airspeed after rotation. Forced landing off airport. - [Incident 19780409009589I](https://openairdocs.org/incident/19780409009589I), Apr 9, 1978: Blanca 7AC (N4161E), Gallatin, TN, Minor damage. Pilot lost directional control on landing,ran off runway. - [Accident 19761126035589A](https://openairdocs.org/incident/19761126035589A), Nov 26, 1976: Blanca 7AC (N82041), Bandon, OR, Substantial damage. Ran off side of rwy. Struck hangar causing dmg to another acft inside. - [Accident 19751118036839A](https://openairdocs.org/incident/19751118036839A), Nov 18, 1975: Univar 415D (N3864H), Witsett, NC, Substantial damage. Oil control ring stuck in piston ring groove. Both piston and cyl wall excessive scored and galled ## Service difficulty reports (15) As reported by operators and repair stations, by the model named in the report. - [SDR 2026FA0000212](https://openairdocs.org/sdr/2026FA0000212), Mar 25, 2026: ENGINE. MAKING METAL. DURING THE ENGINE OVERHAUL, UNDER THE DISASSEMBLY PROCESS, WE FOUND A MOUNTED EXTERNAL SPIN-ON OIL FILTER. HOWEVER, THE ENGINE STILL RETAINED ITS ORIGINAL INTER - [SDR CA130831001](https://openairdocs.org/sdr/CA130831001), Jun 7, 2013: HINGE BRACKET. CORRODED. (CAN) ON ACCOMPLISHING ANNUAL INSPECTION, FOUND DIS-COLOURED SPOT ON BOTTOM OF HINGE BRACKET PIVOT. ON APPLYING "MAULE TESTER" FOR STRENGTH TEST. TUBE COLLAPSED - [SDR 2011FA0000210](https://openairdocs.org/sdr/2011FA0000210), Mar 29, 2011: SPAR. CORRODED. INSP OF WING CTR SECTION IAW AD 2002-26-02 INTER-GRANULAR CORROSION IN EXFOLIATION STAGE WAS DISCOVERED ON THE BOTTOM MAIN SPAR CAP, EXTREME REAR OTBD SECTIONS - [SDR 2009FA0000943](https://openairdocs.org/sdr/2009FA0000943), Oct 29, 2009: BOLT. BROKEN. ENGINE QUIT IN FLIGHT DUE TO FAILURE OF CRANKSHAFT CLUSTER GEAR RETAINING BOLTS. LAST MAJOR OVERHAUL WAS 12/04/1973 - [SDR 2007FA0000789](https://openairdocs.org/sdr/2007FA0000789), Aug 9, 2007: CRANKSHAFT. DESTROYED. DURING LEVEL FLIGHT THIS AIRCRAFT SUSTAINED LOSS OF PROPELLER. AIRCRAFT LANDED ON A COUNTY HIGHWAY SATISFACTORILY WITH NO DAMAGE OR INJURIES. INVESTIGATION REVE - [SDR 2005FA0000494](https://openairdocs.org/sdr/2005FA0000494), Feb 6, 2005: CRANKSHAFT. BROKEN. THE ENGINE WAS UNDER POWER WHEN THE CRANKSHAFT BROKE. THE ENGINE RAN UNTIL AIRCRAFT WAS ON GROUND. THERE WAS AN EXTREME VIBRATION. (K) - [SDR 2005FA0000148](https://openairdocs.org/sdr/2005FA0000148), Nov 20, 2004: CYLINDER. FAILED. CYLINDER AND ROD FAILURE RESULTED IN CASE FAILURE CAUSING CYLINDER TO COME OF ENGINE. CAUSE UNKNOWN. NR 4 PISTON (AE-C530348) FAILURE. (WP09200502317). (K) - [SDR 2003FA0000896](https://openairdocs.org/sdr/2003FA0000896), Aug 9, 2003: BRACKET. CORRODED. REMOVED AND REPLACED (2) ANGLE BRACKETS IN LT WING WALKWAY THAT WERE ATTACHED TO THE RIB. THESE WERE FOUND CORRODED DURING THE INSTALLATION OF INSPECTION PANELS - [SDR CA020729003](https://openairdocs.org/sdr/CA020729003), Jul 17, 2002: BLADE. CORRODED. (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. EXTRA WORK REQUIRED TO REMOVE CORROSION CARRIED OUT: AN OVERHAUL. AS PER MCCAULEY MANUAL 730720 - [SDR 20001228SH002](https://openairdocs.org/sdr/20001228SH002), Dec 11, 2000: HOSE. LEAKING. DURING ANNUAL INSPECTION, THE FLEXIBLE FUEL HOSE WAS FOUND WET WITH FUEL NEAR ONE OF THE FITTINGS. THE HOSE WAS NOT THAT OLD AND WAS MADE IN THE FIELD. (X) - [SDR CA000306021](https://openairdocs.org/sdr/CA000306021), Mar 6, 2000: BRACKET. BROKEN. (CAN) WHILE TAXIING, THE TAIL WHEEL BRACKET BROKE OFF AND THE TAIL OF THE AIRCRAFT CAME IN CONTACT WITH THE GROUND. THE BRACKET HAD CRACKED AT THE ATTACHMENT RI - [SDR 97ZZZX2877](https://openairdocs.org/sdr/97ZZZX2877), Jun 2, 1997: FULCRUM PIN. SPALLED. ENGINE QUIT ON TAKEOFF JUST AFTER ROTATION RESULTING IN DAMAGE TO THE AIRCRAFT. ENGINE WAS CHECKED FOR FUEL, COMPRESSION, AND IGNITION. ENGINE WAS STARTED AND R - [SDR 97ZZZX2816](https://openairdocs.org/sdr/97ZZZX2816), May 17, 1997: EXHAUST VALVE. LEAK. FORTY HOURS AFTER CYLINDER ASSY REPLACED, ALLL EXHAUST VALVES WERE LEAKING ON COMPRESSION CHECK ON ALL 4 CYLINDERS. - [SDR 96ZZZX2611](https://openairdocs.org/sdr/96ZZZX2611), Nov 30, 1995: CRANKSHAFT. CRACKED. DURING FLIGHT, A SLIGHT VIBRATION WAS NOTICED. A PRECAUTIONARY LANDING WAS MADE WITHOUT FURTHER INCIDENT. DURING AN INSPECTION TO DETERMINE CAUSE, NOTED THE PRO - [SDR 95ZZZX5107](https://openairdocs.org/sdr/95ZZZX5107), Aug 30, 1995: VALVE. BROKEN. EMERGENCY LANDING MADE AFTER EXHAUST VALVE HEAD SEPARATED. THIS ENGINE HAD 732 HRS SINCE 'TOP' OVERHAUL AND 2,246 HOURS SINCE NEW. THIS IS THE 446-HOUR PAST MAN ## STCs that may be installed (OpenAirDocs) (43) 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 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 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 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 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 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 SE898NE](https://openairdocs.org/stc/SE898NE): Installation of 60 amp. alternator, Cessna P/N C611501-0204, -0203, -0202, -0201 or Ford P/N DOFF-10300-F in lieu of existing generator. Barnstormers Aviation - [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.