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NTSB investigations: Continental C85 series, MT

50 cases on aircraft whose registry engine model is Continental C85 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations: Continental C85 series, MT per year, 1964–2026: 50 cases
1964	6
1965	4
1967	1
1968	2
1970	1
1971	1
1972	2
1973	2
1974	2
1975	4
1976	1
1977	5
1978	1
1979	2
1980	1
1984	2
1986	2
1989	1
1991	1
1993	1
1999	1
2002	1
2004	1
2006	1
2009	2
2014	1
2015	1

Where

Latest cases

Query with SQL

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17008')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17008'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" 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.

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB GAA16CA023Accident · Serious injuriesData collectionFinal reportCessna 140 · Fort Benton, MTA hard landing which resulted in a loss of directional control, main landing gear collapse, and damage to the left wing spar.Oct 20, 2015 · N76001 · Substantial damage NTSB WPR15LA036Accident · Serious injuriesLimited investigationFinal reportChampion 7AC · Darby, MTThe pilot's failure to maintain airspeed while maneuvering in gusting wind conditions, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.Nov 7, 2014 · N84462 · Substantial damage NTSB WPR10LA003Accident · Minor injuriesLimited investigationFinal reportMateskon Fisher DAK · Bozeman, MTA loss of engine power due to shearing of the crankshaft gear cluster bolts. Contributing to the accident was the lack of regular overhaul periods as recommended by the engine manufacturer.Oct 3, 2009 · N359JM · Substantial damage NTSB WPR09CA388Accident · No injuriesData collectionFinal reportAeronca 7AC · Broadus, MTThe pilot’s failure to maintain sufficient airspeed during low altitude maneuvering, which resulted in an inadvertent stall.Aug 7, 2009 · N84787 · Substantial damage NTSB SEA06CA144Accident · No injuriesData collectionFinal reportPiper PA-11 · Turner, MTThe passenger's inadvertent activation of the airplane's brakes during the landing roll, resulting in the pilot's loss of control and subsequent nose over. A factor was the pilot's inadequate preflight planning/preparation by not briefing the passenger about…Jul 15, 2006 · N4706H · Substantial damage NTSB SEA04LA084Accident · No injuriesLimited investigationFinal reportPiper J4/E · Bigfork, MTA loss of engine power due to fuel exhaustion while in cruise flight as a result of inadequate preflight planning / preparation. Factors contributing to the accident were the short landing field and trees.May 18, 2004 · N37982 · Substantial damage NTSB SEA02LA158Accident · No injuriesLimited investigationFinal reportCessna 120 · Missoula, MTThe pilot's failure to adequately compensate for the wind conditions during the landing roll. Delayed remedial action and a high crosswind condition were factors.Aug 16, 2002 · N72594 · Substantial damage NTSB SEA00LA032Accident · No injuriesLimited investigationFinal reportCessna 140 · Helena, MTSeparation of the left main landing gear. Factors include inadequate preflight inspection by the pilot, and inadequate inspection at the time of annual inspection by maintenance personnel.Dec 15, 1999 · N2739N · Substantial damage NTSB SEA93LA098Accident · Minor injuriesLimited investigationFinal reportErcoupe 415-C · Helena, MTThe inadequate lookout by the PIC and his failure to maintain clearance from electrical wires. A factor relating to the accident was the presence of electrical wires near the approach end of the airstrip.Apr 17, 1993 · N94142 · Destroyed NTSB SEA91LA211Accident · No injuriesLimited investigationFinal reportErcoupe 415C · Anaconda, MTAn inadvertent stall during initial climb. The high density altitude and a premature liftoff by the pilot were factors.Aug 17, 1991 · N2069H · Substantial damage NTSB DEN89LA079Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Wolf Point, MTThe failure of the student pilot to use carburetor heat in a timely manner which resulted in a partial loss of engine power. Contributing to the accident was the inadequate weather evaluation the pilot made after taking off and flying through fog due to his…Feb 22, 1989 · N4627E · Substantial damage NTSB DEN86LA188Accident · No injuriesLimited investigationFinal reportPiper J-3 · Ashland, MTPlt did not possess a plt certificate or medical certificate. The plt stated that he fueled the acft with the 'last gas in the storage tank.' The plt preflighted the acft and took off. Shortly after takeoff the engine lost power. The plt executed a landing in…Jul 4, 1986 · N40660 · Substantial damage NTSB DEN86LA087Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Red Lodge, MTThe plt stated that during the ground roll phase of landing at Red Lodge, MT, he lost control of the acft which entered into a ground loop to the right. Just prior to the acft departing the right side of the rwy, he applied maximum braking, and the acft nosed…Mar 1, 1986 · N1503E · Substantial damage NTSB DEN84LA287Accident · No injuriesLimited investigationFinal reportCessna 140 · Belgrade, MTThe plt stated that during the takeoff ground roll on the grass airstrip the engine did not seem to produce full power when 2/3 the way down the rwy. Plt applied brakes to abort the takeoff before the tailwheel was on the ground. The acft nosed over.Sep 11, 1984 · N2628N · Substantial damage NTSB DEN84LA283Accident · No injuriesLimited investigationFinal reportCessna 140 · Butte, MTThe plt taxied to rwy 11 and got out of the acft to check the wind. The rwy lights were not operating at the time. The pilot decided that rwy 11 was the most favorable rwy and the takeoff was attempted. The wind conditions at the time off the accident were…Sep 6, 1984 · N77271 · Substantial damage NTSB DEN80DTI11Accident · No injuriesClosedCessna 140 · Lost Prairie, MTJun 8, 1980 · N76657 · Substantial damage NTSB SEA80FTA04Accident · No injuriesClosedCessna 140 · Malta, MTDec 1, 1979 · N2197N · Substantial damage NTSB SEA79FTI17Accident · No injuriesClosedCessna 140 · Brady, MTJun 8, 1979 · N77318 · Substantial damage NTSB SEA79FTA01Accident · No injuriesClosedPiper J-3 · Belfry, MTSep 28, 1978 · N33160 · Substantial damage NTSB SEA77FTA24Accident · No injuriesClosedCessna 140 · Jordan, MTJun 23, 1977 · N2040N · Substantial damage NTSB SEA77FTI14Accident · Minor injuriesClosedCessna 140 · Stevensville, MTJun 1, 1977 · N76330 · Destroyed NTSB SEA77FTA16Accident · No injuriesClosedPiper J3 · Otter, MTApr 23, 1977 · N70209 · Substantial damage NTSB SEA77FTA12Accident · No injuriesClosedCessna 140 · Hinsdale, MTFeb 14, 1977 · N2628N · Substantial damage NTSB SEA77DTI08Accident · No injuriesClosedLuscombe 8E · Cut Bank, MTFeb 1, 1977 · N2305K · Substantial damage NTSB SEA77DTA03Accident · No injuriesClosedLuscombe 8E · Hinsdale, MTDec 10, 1976 · N1203B · Substantial damage NTSB SEA76DTI16Accident · No injuriesClosedAeronca 11AC · Havre, MTOct 11, 1975 · N4114E · Substantial damage NTSB SEA76FTA01Accident · No injuriesClosedErco 415-D · Sidney, MTJul 12, 1975 · N2850H · Substantial damage NTSB SEA75DTI29Accident · No injuriesClosedAeronca 7BCM · Choteau, MTMay 14, 1975 · N1127N · Destroyed NTSB SEA75DTI26Accident · No injuriesClosedCessna 140 · Deer Lodge, MTApr 28, 1975 · N76295 · Substantial damage NTSB SEA74DTI27Accident · No injuriesClosedCessna 140 · Townsend, MTJun 9, 1974 · N76001 · Substantial damage NTSB SEA74DYA20Accident · Minor injuriesClosedTaylorcraft BC12-D · Montpelier, MTFeb 3, 1974 · N39916 · Substantial damage NTSB SEA74DTA14Accident · No injuriesClosedPiper J-3 · Culbertson, MTNov 21, 1973 · N70234 · Substantial damage NTSB SEA74FTA06Accident · Serious injuriesClosedCessna 140 · Ekalaka, MTAug 13, 1973 · N77002 · Substantial damage NTSB SEA72DTA12Accident · No injuriesClosedCessna 140 · Glendive, MTFeb 20, 1972 · N2040N · Substantial damage NTSB SEA72FTA11Accident · No injuriesClosedCessna 140 · Hardin, MTFeb 15, 1972 · N72261 · Substantial damage NTSB SEA72DTA10Accident · No injuriesClosedLuscombe 8E · Volborg, MTOct 25, 1971 · N2472K · Substantial damage NTSB SEA71FDG19Accident · No injuriesClosedCessna 120 · Whitewater, MTDec 1, 1970 · N77416 · Substantial damage NTSB SEA69D0161Accident · No injuriesClosedAeronca 11CC · Frazer, MTOct 24, 1968 · N4301E · Substantial damage NTSB SEA68A0067Accident · 1 fatalClosedCessna 120 · Monida, MTMay 13, 1968 · N90081 · Substantial damage NTSB SEA68D0165Accident · No injuriesClosedPiper J3C-65 · Richland, MTOct 11, 1967 · N70234 · Substantial damage NTSB SEA66D0178Accident · No injuriesClosedPiper PA-11 · Lambert, MTNov 14, 1965 · N4765M · Substantial damage NTSB SEA66F0066Accident · Serious injuriesClosedLuscombe 8E · Billings, MTAug 10, 1965 · N2422K · Substantial damage NTSB SEA66F0058Accident · No injuriesClosedCessna 120 · Kalispell, MTJun 29, 1965 · N77423 · Destroyed NTSB SEA65F0057Accident · No injuriesClosedCessna 140 · Great Falls, MTMar 21, 1965 · N2585N · Substantial damage NTSB UNK65X0718Accident · No injuriesClosedPiper J3C · Billings, MTNov 15, 1964 · N6988H · Substantial damage NTSB UNK64X3380Accident · No injuriesClosedAeronca 7DC · Sand Springs, MTAug 14, 1964 · N2836E · Substantial damage NTSB UNK64X1824Accident · No injuriesClosedAeronca 7AC · Glasgow, MTMay 18, 1964 · N81712 · Substantial damage NTSB UNK64X1787Accident · No injuriesClosedCessna 140 · Belgrade, MTMay 16, 1964 · N76850 · Substantial damage NTSB UNK64X0677Accident · No injuriesClosedPiper J3 · Belgrade, MTFeb 23, 1964 · N92394 · Substantial damage NTSB UNK64X0178Accident · No injuriesClosedLuscombe 8E · Ft Benton, MTJan 6, 1964 · N1118B · Substantial damage