NTSB investigations, 2001, MT

180,610 investigations by the National Transportation Safety Board since 1962: 174,589 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.

Cases per year

19632026
NTSB investigations, 2001, MT per year, 1963–2026: 2,223 cases
19632
196478
196573
196687
196782
196861
196956
197067
197155
197246
197349
197459
197561
197660
197761
197857
197950
198046
198152
198257
198337
198438
198542
198634
198727
198831
198926
199032
199128
199229
199325
199429
199526
199623
199729
199838
199924
200028
200118
200225
200323
200429
200521
200633
200728
200820
200916
201014
201121
201217
201329
201421
201520
201618
201712
201814
201915
202019
202118
202214
202316
202418
202524
202615

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 year(c.\"eventDate\") = 2001
    AND c.\"eventStateOrRegion\" = 'MT' AND c.\"eventCountry\" = 'USA'
  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 SEA02LA019Accident · No injuriesLimited investigationFinal reportCessna 310 · Sidney, MTThe pilot's improper abort procedure and inadequate remedial action, leading to a loss of directional control after losing power in one engine during the takeoff roll. Factors include the loss of power from one engine, and a fence around the perimeter of the…Dec 6, 2001 · N5043J · Substantial damageNTSB SEA02FA009Accident · 1 fatalField investigationFinal reportCessna 175C · Miles City, MTThe separation of the number four cylinder exhaust valve guide from the cylinder head, leading to the failure of the exhaust valve stem and the catastrophic failure of the engine while in cruise flight. Factors include the necessity of attempting a forced…Nov 5, 2001 · N8347T · Substantial damageNTSB SEA02LA001Accident · Serious injuriesLimited investigationFinal reportCessna 172 · Lindsay, MTThe pilot's failure to maintain an altitude clear of terrain. A factor was intentional low altitude flight.Oct 1, 2001 · N3910F · DestroyedNTSB SEA01TA172Accident · No injuriesFinal reportBell 205 · Troy, MTThe pilot-in-command's failure to maintain seperation/clearance from trees while maneuvering.Sep 17, 2001 · N458CC · Substantial damageNTSB SEA01MA163Accident · 3 fatalMajor investigationFinal reportKawasaki KV-107-II · Emigrant, MTThe loss of control during cruise/climb flight for undetermined reasons.Aug 31, 2001 · N186CH · DestroyedNTSB SEA01LA148Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Thompson Falls, MTThe pilot's inadequate compensation in gusting wind conditions during the landing flare. A tree was a factor.Aug 9, 2001 · N699WL · Substantial damageNTSB SEA01LA139Accident · No injuriesLimited investigationFinal reportPilatus PC-6/B2-H4 · Great Falls, MTPilot's failure to maintain directional control of the aircraft while landing.Jul 21, 2001 · N2TS · Substantial damageNTSB SEA01LA133Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R · Cut Bank, MTThe pilot's failure to maintain a speed above stall velocity (Vs) during the after-takeoff climb. Factors include a high density altitude, and a dust devil/whirlwind located along the route of departure.Jul 10, 2001 · N8475C · Substantial damageNTSB SEA01LA128Accident · No injuriesLimited investigationFinal reportTibert Baby Lakes · Stevensville, MTThe pilot's failure to maintain directional control of the tailwheel-equipped aircraft during the landing roll. Factors include the pilot's low total time in this make and model aircraft and his lack of recent experience in this make and model aircraft.Jul 7, 2001 · N94AT · Substantial damageNTSB SEA01LA124Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Lewistown, MTPilot's failure to maintain directional control of the aircraft while landing.Jul 1, 2001 · N3251Z · Substantial damageNTSB SEA01LA122Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Bozeman, MTThe pilot of another aircraft failed to maintain clearance while maneuvering for a formation flight. An updraft was a factor.Jun 27, 2001 · N9341T · 2 aircraft · Substantial damageNTSB SEA01LA117Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Billings, MTThe pilot-in-command's failure to maintain directional control of the aircraft during the landing roll. A contributing factor was the gusty crosswind conditions.Jun 11, 2001 · N83464 · Substantial damageNTSB SEA01LA107Accident · No injuriesLimited investigationFinal reportHerriford RAF 2000 · Gardiner, MTthe pilot's failure to rotate the aircraft until he was well past the normal takeoff rotation speed, and his abrupt rotation at this higher speed.May 30, 2001 · N2361S · Substantial damageNTSB SEA01FA106Accident · 1 fatalField investigationFinal reportPiper PA-12 · Augusta, MTThe pilot's failure to maintain adequate airspeed after takeoff resulting in an inadvertent stall at low a altitude.May 28, 2001 · N2564M · DestroyedNTSB SEA01LA058Accident · Serious injuriesLimited investigationFinal reportAvia Stroitel AC-5m · Bozeman, MTthe pilot's improper remedial action upon experiencing the unexpected opening of the aircraft's canopy during the initial part of the takeoff climb. Factors include his attention being diverted to the open canopy, his failure to use a checklist to ensure he…Mar 4, 2001 · N1635M · Substantial damageNTSB SEA01LA052Accident · No injuriesLimited investigationFinal reportCessna 402B · Billings, MTBest rate-of-climb single-engine speed was not maintained. Delayed remedial action was a factor.Feb 20, 2001 · N69316 · Substantial damageNTSB SEA01LA047Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Bozeman, MTThe pilot rated passenger's failure to maintain directional control during the landing. A factor was the snow berm which the aircraft rolled into during the landing.Feb 8, 2001 · N7940H · Substantial damageNTSB SEA01LA046Accident · 1 fatalLimited investigationFinal reportWestern International UH-1H · Darby, MTInflight loss of a tail rotor pitch change link-to-blade grip attach bolt, resulting partial loss of tail rotor control, and subsequent entanglement of the helicopter's external load cable with a tree during emergency descent. Factors included the pilot's…Feb 7, 2001 · N205GL · Substantial damage