Engine model · Reciprocating · 85 hp · registry code 17124

Manufacturer (registry)
CONT MOTOR
Model
C85-12
Registry code
17124
Type
Reciprocating
Power
85 hp
Data sheet
TCDSE-233
Holder
Continental Aerospace Technologies, Inc.

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

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Airworthiness directives that may apply · 2

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

Superseded and historical ADs · 1
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('17124'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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Information bulletins that may apply · 4

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duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('17124'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 82

See all 82 registered aircraft
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duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE engine_model_code IN ('17124')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 12

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

NTSB WPR25LA168Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7BCM · Port Townsend, WAThe 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.Jun 2, 2025 · N85311 · Substantial damageNTSB WPR23LA193Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 140 · American Falls, IDThe 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.May 20, 2023 · N77J · Substantial damageNTSB ERA23LA221Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7DC-CONV · Fort Mill, SCThe 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 carburetor ice.May 5, 2023 · N3058E · Substantial damageNTSB CEN21LA242Accident · Minor injuriesClass 3 · LimitedFinal reportPiper J4A · Omaha, NEA 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 fuel tank cap.May 30, 2021 · N8501Z · Substantial damageNTSB CEN19LA216Accident · Minor injuriesClass 3 · LimitedFinal reportRutan Varieze · Kaneville, ILThe 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 carburetor icing.Jul 8, 2019 · N112EZ · Substantial damageNTSB CEN18FA186Accident · 1 fatalField investigationFinal reportJames Donald Baker Zenith · Bolivar, MOThe pilot's failure to maintain airplane control after takeoff.May 22, 2018 · N622DP · DestroyedNTSB CEN09CA219Accident · No injuriesData collectionFinal reportAeronca 7AC-CONV · Stanley, NDThe pilot's failure to maintain directional control during landing.Mar 15, 2009 · N82041 · Substantial damageNTSB NYC07CA190Accident · No injuriesData collectionFinal reportAckert Dakota Hawk DH23 · Sebring, FLPreexisting cracking of the landing gear tubing.Aug 12, 2007 · N6128A · Substantial damageNTSB LAX01LA111Accident · No injuriesLimited investigationFinal reportCessna 140 · San Jose, CAThe failure of the pilot to maintain directional control during landing.Mar 8, 2001 · N77J · Substantial damageNTSB LAX00LA334Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Paso Robles, CAthe pilot's failure to brief his passenger about the operation of the controls.Sep 2, 2000 · N82107 · Substantial damageNTSB SEA77DYI02Accident · Minor injuriesClosedAeronca 7AC · Bandon, ORNov 26, 1976 · N82041 · Substantial damageNTSB IAD76FKM18Accident · Minor injuriesClosedErco 415-D · Witsett, NCNov 18, 1975 · N3864H · Substantial damage
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('17124')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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FAA incident reports · 22

Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.

See all 22 incident reports
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE engine_model_code IN ('17124')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 15

SDR 2026FA0000212Engine · making metalDURING THE ENGINE OVERHAUL, UNDER THE DISASSEMBLY PROCESS, WE FOUND A MOUNTED EXTERNAL SPIN-ON OIL FILTER. HOWEVER, THE ENGINE STILL RETAINED ITS ORIGINAL INTERNAL MESH OIL FILTER. THE ORIGINAL FILTER CONTAINED A SIGNIFICANT AMOUNT OF OIL SLUDGE, DEPOSITS, ANDMar 25, 2026 · N89109 · Cessna 140 · Engine (Reciprocating)SDR CA130831001Hinge 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. INSPECTION FOUND THE SUPPORT TUBE WAS NOT DRILLED FOR DRAINAGE. THE NEW REPLACEMENT BRACKET WASJun 7, 2013 · Piper J3C65 · Wing Main, Frame StructureSDR 2011FA0000210Spar · corrodedINSP 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 WHERE IT WAS MILLED TO ACCOMMODATE THE MLG TRUNNION AND JUST INBD. ALSO THE LT AND RT (WING WALK) IMar 29, 2011 · N99558 · Univar 415C · Wing SparSDR 2009FA0000943Bolt · brokenENGINE QUIT IN FLIGHT DUE TO FAILURE OF CRANKSHAFT CLUSTER GEAR RETAINING BOLTS. LAST MAJOR OVERHAUL WAS 12/04/1973Oct 29, 2009 · N359JM · Amtr DAKOTAHKDH23 · Reciprocating Engine Power SectionSDR 2007FA0000789Crankshaft · destroyedDURING LEVEL FLIGHT THIS AIRCRAFT SUSTAINED LOSS OF PROPELLER. AIRCRAFT LANDED ON A COUNTY HIGHWAY SATISFACTORILY WITH NO DAMAGE OR INJURIES. INVESTIGATION REVEALED THE ENGINE CRANKSHAFT FAILED IMMEDIATELY AFT OF THE PROPELLER ATTACH POINT (THIS CRANKSHAFT HAug 9, 2007 · Reciprocating Engine Power SectionSDR 2005FA0000494Crankshaft · brokenTHE ENGINE WAS UNDER POWER WHEN THE CRANKSHAFT BROKE. THE ENGINE RAN UNTIL AIRCRAFT WAS ON GROUND. THERE WAS AN EXTREME VIBRATION. (K)Feb 6, 2005 · N140SG · Cessna 140 · Reciprocating Engine Power SectionSDR 2005FA0000148Cylinder · failedCYLINDER AND ROD FAILURE RESULTED IN CASE FAILURE CAUSING CYLINDER TO COME OF ENGINE. CAUSE UNKNOWN. NR 4 PISTON (AE-C530348) FAILURE. (WP09200502317). (K)Nov 20, 2004 · N2919H · Univar 415C · Reciprocating Engine Cylinder SectionSDR 2003FA0000896Bracket · corrodedREMOVED 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 BEING INSTALLED TO COMPLY WITH AD 02-26-02. IT APPEARED WATER HAD BECOME TRAPPED INSIDE TRAILING Aug 9, 2003 · N87055 · Univar 415C · Wing Miscellaneous StructureSDR CA020729003Blade · corroded(CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. EXTRA WORK REQUIRED TO REMOVE CORROSION CARRIED OUT: AN OVERHAUL. AS PER MCCAULEY MANUAL 730720Jul 17, 2002 · Cessna 140 · Propeller Blade SectionSDR 20001228SH002Hose · leakingDURING 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)Dec 11, 2000 · N1888V · Cessna 140 · Engine Fuel DistributionSDR CA000306021Bracket · 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 RIVET HOLES.Mar 6, 2000 · Cessna 140 · Fuselage, Landing Gear Attach FittingsSDR 97ZZZX2877Fulcrum Pin · spalledENGINE QUIT ON TAKEOFF JUST AFTER ROTATION RESULTING IN DAMAGE TO THE AIRCRAFT. ENGINE WAS CHECKED FOR FUEL, COMPRESSION, AND IGNITION. ENGINE WAS STARTED AND RUN-UP. OPERATION APPEARED TO BE NORMAL. DISASSEMBLED CARBURETOR AND BENCH CHECKED. FLOAT LEVEL Jun 2, 1997 · N76122 · Cessna 140 · Fuel Control/Reciprocating EnginesSDR 97ZZZX2816Exhaust Valve · leakFORTY HOURS AFTER CYLINDER ASSY REPLACED, ALLL EXHAUST VALVES WERE LEAKING ON COMPRESSION CHECK ON ALL 4 CYLINDERS.May 17, 1997 · N72742 · Cessna 140 · Reciprocating Engine Cylinder SectionSDR 96ZZZX2611Crankshaft · crackedDURING FLIGHT, A SLIGHT VIBRATION WAS NOTICED. A PRECAUTIONARY LANDING WAS MADE WITHOUT FURTHER INCIDENT. DURING AN INSPECTION TO DETERMINE CAUSE, NOTED THE PROPELLER COULD BE ROCKED FROM SIDE TO SIDE. SUBSEQUENT ENGINE TEAR-DOWN REVEALED A HORIZONTAL CRACKNov 30, 1995 · N92828 · Comwth REWN185 · Reciprocating Engine Power SectionSDR 95ZZZX5107Valve · brokenEMERGENCY 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 MANUFACTURER'S RECOMMENDED TIME.Aug 30, 1995 · N82560 · Bbavia 7AC · Reciprocating Engine Cylinder Section
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'C8512'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STCs that may be installed · 43

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

See all 43 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
    WHERE engine_model_code IN ('17124')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.