NTSB investigations: Cessna 170B, MT

32 cases on aircraft the registry lists as Cessna 170B. 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.

Cases per year

19642026
NTSB investigations: Cessna 170B, MT per year, 1964–2026: 32 cases
19644
19681
19691
19701
19712
19731
19751
19761
19781
19791
19821
19841
19852
19872
19962
20031
20051
20063
20131
20141
20161
20191
20211

Latest cases

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_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.aircraft_model_code IN ('2072306', '2072307'))
  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.

NTSB WPR21LA226Accident · No injuriesClass 4 · LimitedFinal reportCessna 170B · Miles City, MTThe pilot’s failure to maintain directional control during takeoff which resulted in a ground loop and collision with terrain.Jun 11, 2021 · N2218B · Substantial damageNTSB WPR20CA053Accident · No injuriesData collectionFinal reportCessna 170 · Missoula, MTThe pilot receiving instruction's failure to maintain directional control during the takeoff roll, which resulted in a runway excursion and ground-loop, and the flight instructor’s failure to adequately monitor the pilot.Dec 28, 2019 · N4476B · Substantial damageNTSB GAA16CA492Accident · No injuriesData collectionFinal reportCessna 170 · Sidney, MTThe student pilot’s improper landing flare, which resulted in a bounced landing, and the flight instructor’s inability to recover the airplane, which resulted in a runway excursion.Sep 10, 2016 · N8335A · Substantial damageNTSB WPR15FA049Accident · 1 fatalField investigationFinal reportCessna 170B · Alzada, MTThe pilot's failure to maintain airplane control while maneuvering, which resulted in a collision with mountainous terrain.Nov 28, 2014 · N3292A · Substantial damageNTSB WPR13CA117Accident · No injuriesData collectionFinal reportCessna 170B · Sunburst, MTThe pilot's failure to compensate for the strong, gusting wind conditions, which resulted in a loss of airplane control during takeoff.Feb 6, 2013 · N2619D · Substantial damageNTSB SEA07LA020Accident · No injuriesLimited investigationFinal reportCessna 170B · Billings, MTThe flight instructor's inadequate remedial action to maintain directional control, which resulted in a ground loop/swerve during takeoff roll. A factor was the failure of the pilot who was receiving instruction to maintain directional control.Nov 18, 2006 · N2619D · Substantial damageNTSB SEA06CA106Accident · No injuriesData collectionFinal reportCessna 170B · West Glacier, MTThe pilot's failure to attain sufficient airspeed for flight, his attempt to abort the takeoff, and the airplane's subsequent departure off the end of the runway. Contributing factors were the impacted fence and vegetation, and his total lack of experience in…May 21, 2006 · N3477C · Substantial damageNTSB SEA06CA073Accident · No injuriesData collectionFinal reportCessna 170B · Havre, MTThe pilot's improper starting procedures in attempting to hand-prop the airplane's engine. Contributing factors were the discharged battery, the failure of the right parking brake and the hangar which the aircraft collided with.Apr 10, 2006 · N2831C · Substantial damageNTSB SEA05CA135Accident · No injuriesData collectionFinal reportCessna 170B · Laurel, MTThe flight instructor's failure to maintain directional control during the landing roll, which resulted in an inadvertent ground loop. A contributing factor was the flight instructor's diverted attention to talking with the student.Jun 28, 2005 · N2619D · Substantial damageNTSB SEA03CA155Accident · Minor injuriesData collectionFinal reportCessna 170B · Schafer, MTThe pilot's delayed remedial action during the takeoff roll. Factors include wet terrain, a fence and an embankment located at the end of the runway.Jul 27, 2003 · N1979C · Substantial damageNTSB SEA97LA019Accident · No injuriesLimited investigationFinal reportCessna 170B · Utica, MTThe pilot's improper use of the brakes, while landing a tailwheel aircraft in crosswind conditions. The crosswind was a related factor.Oct 25, 1996 · N2419D · Substantial damageNTSB SEA96LA153Accident · No injuriesLimited investigationFinal reportCessna 170B · Lewistown, MTthe pilot's inadequate compensation for the changing wind conditions, and his failure to maintain directional control, which resulted in an inadvertent ground swerve. The sudden windshift was a related factor.Jul 12, 1996 · N3156A · Substantial damageNTSB DEN88LA031Accident · Serious injuriesLimited investigationFinal reportCessna 170B · Conner, MTOn takeoff from a private, grass strip the pilot stated the engine began to lose power at approximately 20 to 30 feet AGL. A ravine was ahead and he attempted to stretch his glide to the FAR side of the ravine; however, the aircraft stalled and crashed into…Nov 27, 1987 · N2926D · Substantial damageNTSB DEN87LA125Accident · No injuriesLimited investigationFinal reportCessna 170B · Big Sky, MTThe private plt was flying cross country in deteriorating weather conditions. Fog was forecast and light rain was in progress. The flt encountered less than VFR conditions in a mountainous area and reversed course. Weather was below VFR on the reverse course…May 16, 1987 · N1979C · Substantial damageNTSB DEN85LA192Accident · No injuriesLimited investigationFinal reportCessna 170B · Missoula, MTThe pilot stated that he did not use proper technique and did not maintain directional control while landing in a brisk and direct crosswind. The airplane was substantially damaged in the hard landing that was followed by a ground loop.Jul 17, 1985 · N8252A · Substantial damageNTSB DEN85LA181Accident · No injuriesLimited investigationFinal reportCessna 170B · Swan Lake, MTThe plt said that prior to departure there was an estimated 14 gals of fuel on board. After aprx 30 minutes of flight the eng lost all pwr and a forced landing was accomplished in a mountainous creek bed. During the landing roll the acft struck a feeled tree…Jul 6, 1985 · N2432D · Substantial damageNTSB DEN84LA265Accident · Minor injuriesLimited investigationFinal reportCessna 170B · Poplar, MTPlt stated, 'river current 12-15 mph, landing area 100 yards wide, curving to right, wind gusting to 20 knots from right rear quarter. Approach was fast, and upon landing, aircraft remained on step, unresponsive to aileron and rudder for turning. Quartering…Aug 24, 1984 · N7681 · Substantial damageNTSB DEN82DA060Accident · No injuriesFinal reportCessna 170B · Worden, MTThe pilot reported that the carburetor heat control became inoperative while on a cross-country flight. The weather conditions were conducive to the formation of carburetor ice. A decision was made to land in an alfalfa field while the engine was still…Apr 15, 1982 · N3415D · Substantial damageNTSB SEA79DTI20Accident · No injuriesClosedCessna 170B · Cut Bank, MTJul 18, 1979 · N8051A · Substantial damageNTSB SEA78FTA19Accident · No injuriesClosedCessna 170B · Broadus, MTAug 26, 1978 · N4657C · Substantial damageNTSB SEA77DTI04Accident · No injuriesClosedCessna 170B · W.Sulphur Spgs, MTDec 8, 1976 · N2288D · Substantial damageNTSB SEA75DTI17Accident · No injuriesClosedCessna 170B · Missoula, MTJan 18, 1975 · N8252A · Substantial damageNTSB SEA74DTA09Accident · No injuriesClosedCessna 170B · Glasgow, MTSep 24, 1973 · N3469C · Substantial damageNTSB SEA72FTA09Accident · No injuriesClosedCessna 170B · Billings, MTOct 23, 1971 · N8234A · Substantial damageNTSB SEA71FTA20Accident · No injuriesClosedCessna 170B · Brusett, MTApr 27, 1971 · N3479C · Substantial damageNTSB SEA70DDA04Accident · No injuriesClosedCessna 170B · Brusett, MTMar 27, 1970 · N2596D · Substantial damageNTSB SEA69D0252Accident · No injuriesClosedCessna 170B · Mosby, MTFeb 3, 1969 · N3162B · Substantial damageNTSB SEA69D0170Accident · No injuriesClosedCessna 170B · Belgrade, MTDec 15, 1968 · N3185B · Substantial damageNTSB UNK65X0691Accident · 1 fatalClosedCessna 170B · Roberts, MTNov 13, 1964 · N2561D · DestroyedNTSB UNK64X3053Accident · No injuriesClosedCessna 170B · Billings, MTJul 26, 1964 · N8102A · Substantial damageNTSB UNK64X2049Accident · No injuriesClosedCessna 170B · Poplar, MTMay 31, 1964 · N4585C · Substantial damageNTSB UNK64X0400Accident · No injuriesClosedCessna 170B · Browning, MTJan 29, 1964 · N4527C · Destroyed