NTSB investigations, MT

20 cases where NTSB found Not determined, general.

Cases per year

20082026
NTSB investigations, MT per year, 2008–2026: 20 cases
20081
20091
20103
20111
20122
20141
20152
20163
20171
20191
20203
20221

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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '05000000'))
  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 WPR22LA313Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-30 · St Ignatius, MTA partial loss of power during takeoff for undetermined reasons.Aug 23, 2022 · N4009Y · Substantial damageNTSB WPR21LA032Accident · 1 fatalClass 3 · LimitedFinal reportCessna 172 · Billings, MTThe pilot’s failure to maintain the proper descent glide path while on final approach for reasons that could not be determined from available evidence.Oct 31, 2020 · N124TW · Substantial damageNTSB WPR20LA128Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA31T · Billings, MTThe degraded airplane performance after takeoff for reasons that could not be determined from available evidence.Apr 20, 2020 · N926K · DestroyedNTSB WPR20LA068Accident · No injuriesClass 3 · LimitedFinal reportCessna 172Q · Big Timber, MTA loss of engine power during climbout for undetermined reasons.Jan 17, 2020 · N96145 · Substantial damageNTSB WPR19LA134Accident · No injuriesClass 3 · LimitedFinal reportCessna A185 · Kalispell, MTThe loss of directional control during landing for reasons that could not be determined based on available evidence.May 4, 2019 · N185FT · Substantial damageNTSB WPR17LA046Accident · Serious injuriesLimited investigationFinal reportSoftex Invest V-24L · Paradise, MTA partial loss of power during cruise flight for reasons that could not be determined because postaccident examination of the engines did not reveal evidence of any preimpact mechanical malfunctions or failures that would have precluded normal operation.Jan 3, 2017 · N710XP · Substantial damageNTSB WPR16FA182Accident · 3 fatalField investigationFinal reportBeech 95 B55 (T42A) · Broadus, MTThe airplane's departure from cruise flight for reasons that could not be determined based on the available information.Sep 17, 2016 · N413D · Substantial damageNTSB WPR16FA170Accident · 2 fatalField investigationFinal reportCessna 182 · Clinton, MTThe sudden right turn on approach to landing for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Aug 28, 2016 · N9936T · DestroyedNTSB WPR16LA171Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · Schafer Meadows, MTA loss of directional control while landing, which resulted in a runway excursion and landing gear collapse for reasons that could not be determined.Jun 26, 2016 · N455TB · Substantial damageNTSB WPR15LA191Accident · No injuriesLimited investigationFinal reportCessna 180A · Polson, MTA total loss of engine power during approach for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.Jun 19, 2015 · N9699B · Substantial damageNTSB WPR15LA087Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-140 · Helena, MTLoss of engine power after takeoff for reasons that could not be determined because postaccident examination did not reveal any evidence of an anomaly that would have precluded normal operation.Jan 20, 2015 · N4666R · Substantial damageNTSB WPR14LA232Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Ronan, MTA loss of engine power for reasons that could not be determined due to insufficient evidence.Jun 6, 2014 · N3376B · Substantial damageNTSB WPR12LA263Accident · No injuriesLimited investigationFinal reportCessna A185F · Winnett, MTA momentary loss of engine power, which led to an emergency descent at night during which the airplane collided with a wire. The reason for the loss of engine power could not be determined because postaccident examination and operation did not reveal any…Jun 13, 2012 · CG-ZVF · Substantial damageNTSB WPR12LA111Accident · No injuriesLimited investigationFinal reportEnstrom F28 · Kalispell, MTA total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Feb 20, 2012 · N51727 · Substantial damageNTSB WPR11LA272Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Hogeland, MTCollision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Jun 21, 2011 · N3661B · Substantial damageNTSB WPR10LA476Accident · No injuriesLimited investigationFinal reportCessna 310R · Great Falls, MTThe uncommanded retraction of the right main landing gear during taxi due to the failure of the landing gear extension system to move the right main gear upper side link into the locked position for undetermined reasons.Sep 28, 2010 · N455TB · Substantial damageNTSB CEN10LA496Accident · No injuriesLimited investigationFinal reportCessna 182T · Mosby, MTA partial loss of engine power for undetermined reasons during an en route climb.Aug 18, 2010 · N1142U · Substantial damageNTSB WPR10LA343Accident · No injuriesLimited investigationFinal reportErcoupe 415 · Whitehall, MTA loss of engine power for undetermined reasons.Jul 9, 2010 · N87349 · Substantial damageNTSB WPR09LA179Accident · No injuriesLimited investigationFinal reportCessna 182 · Kalispell, MTA partial loss of engine power during a go-around for undetermined reasons. Contributing to the accident was a fatigue failure of the right main landing gear spring.Apr 4, 2009 · N6433A · Substantial damageNTSB SEA08FA135Accident · 1 fatalField investigationFinal reportBeech 1900C · Billings, MTThe pilot's failure to maintain aircraft control during the initial climb for undetermined reasons.May 23, 2008 · N195GA · Destroyed