# NTSB investigations, MT: On ground/water collision with object

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB SEA06CA095](https://openairdocs.org/ntsb/SEA06CA095.md): Helmer Avid Magnum · Big Timber, MT · Accident · No injuries · Data collection · Final report · May 16, 2006 · N124WT · Substantial damage
  > The pilot's failure to maintain directional control after he diverted his attention to close the aircraft's door during the takeoff roll. Factors include a fence and fence post along the side of the runway.
- [NTSB SEA06CA098](https://openairdocs.org/ntsb/SEA06CA098.md): Cessna 172N · Billings, MT · Accident · No injuries · Data collection · Final report · Apr 30, 2006 · N739AJ · Substantial damage
  > The pilot's failure to maintain clearance from a sign while taxiing to parking.
- [NTSB SEA06CA073](https://openairdocs.org/ntsb/SEA06CA073.md): Cessna 170B · Havre, MT · Accident · No injuries · Data collection · Final report · Apr 10, 2006 · N2831C · Substantial damage
  > The 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.
- [NTSB SEA05LA100](https://openairdocs.org/ntsb/SEA05LA100.md): Cessna 152TW · Missoula, MT · Accident · No injuries · Limited investigation · Final report · May 12, 2005 · N7866Z · Substantial damage
  > The pilot's failure to maintain clearance from a taxiway identification sign as he attempted to turn off the runway onto the taxiway during the last part of the landing roll. Factors include a taxiway identification sign in the vicinity of the intersection of…
- [NTSB SEA00LA126](https://openairdocs.org/ntsb/SEA00LA126.md): Cessna 120 · Toston, MT · Accident · No injuries · Limited investigation · Final report · Jul 3, 2000 · N2146N · Substantial damage
  > The pilot's failure to maintain sufficient altitude to avoid contact with the ground. Contributing factors were the downdraft conditions and the fence post.
- [NTSB SEA99LA147](https://openairdocs.org/ntsb/SEA99LA147.md): Cessna 180A · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1999 · N5359D · Substantial damage
  > Clearance from objects was not maintained during taxiing. Factors include the pilot's inadequate visual lookout.
- [NTSB SEA99LA087](https://openairdocs.org/ntsb/SEA99LA087.md): Let L-13 · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Jun 17, 1999 · N70741 · Substantial damage
  > The pilot in command's failure to maintain clearance from a parked airplane during his attempt to avoid a person on the runway.
- [NTSB SEA98LA118](https://openairdocs.org/ntsb/SEA98LA118.md): Dassault Mystere Falcon 900 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Jul 2, 1998 · N900CS · Substantial damage
  > Partial failure of the anti-skid brake system due to contamination.
- [NTSB SEA97LA194](https://openairdocs.org/ntsb/SEA97LA194.md): Let Blanik L-13 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1997 · N52AS · Substantial damage
  > The pilot's excessive speed taxispeed and failure to maintain wing clearance from a taxiway sign.
- [NTSB SEA96LA019](https://openairdocs.org/ntsb/SEA96LA019.md): Maule M-6-235 · Wisdom, MT · Accident · No injuries · Limited investigation · Final report · Nov 15, 1995 · N5646Z · Substantial damage
  > The pilot's failure to maintain clearance from the fence post. Factors include sunglare, slush covered terrain, and the pilot's selection of unsuitable terrain for takeoff.
- [NTSB SEA94LA244](https://openairdocs.org/ntsb/SEA94LA244.md): I.C.A. Brasov IS-28B2 · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Sep 10, 1994 · N28KG · Substantial damage
  > The student pilot's improper compensation for wind. The crosswind was a factor.
- [NTSB SEA94LA146](https://openairdocs.org/ntsb/SEA94LA146.md): Cessna 170A · Wolf Creek, MT · Accident · No injuries · Limited investigation · Final report · Jun 12, 1994 · N1389D · Substantial damage
  > Poor in flight planning. The mountainous terrain was a factor.
- [NTSB SEA93LA216](https://openairdocs.org/ntsb/SEA93LA216.md): Let Blanik L-13 · Clinton, MT · Accident · No injuries · Limited investigation · Final report · Sep 26, 1993 · N52AS · Substantial damage
  > Total failure of the tow equipment.
- [NTSB SEA91LA199](https://openairdocs.org/ntsb/SEA91LA199.md): Cessna C-152 · W. Yellowstone, MT · Accident · No injuries · Limited investigation · Final report · Aug 2, 1991 · N757PR · Substantial damage
  > The failure by the pilot to calculate aircraft fuel comsumption and the pilot's poor inflight planning. Factors relating to the accident were the inadequate preflight planning by the pilot, his lack of qualification and experience, and his disorientation…
- [NTSB SEA91LA196](https://openairdocs.org/ntsb/SEA91LA196.md): Piper PA-18-150 · Roy, MT · Accident · No injuries · Limited investigation · Final report · Jul 28, 1991 · N2322A · Substantial damage
  > The failure of the pilot to maintain clearance from obstacles during takeoff.
- [NTSB DEN89LA046](https://openairdocs.org/ntsb/DEN89LA046.md): Piper PA-11 · Hammond, MT · Accident · No injuries · Limited investigation · Final report · Dec 17, 1988 · N78654 · Substantial damage
  > The plt, who was a veterinarian, landed his acft in rough, cultivated farm fld at a ranch in order to conduct business. Upon completion of his business, the plt selected a smoother area in the same field for takeoff. The area was smoother but was shorter and…
- [NTSB DEN88LA194](https://openairdocs.org/ntsb/DEN88LA194.md): Lake LA-4-200 · Lakeside, MT · Accident · No injuries · Limited investigation · Final report · Aug 26, 1988 · N1299L · Substantial damage
  > The plt and his pax departed bzn at 1500 MDT and flew to Hughes bay on flathead Lake, near Lakeside, MT, arriving at aprx 1700. The plt said he noticed a diminishing wave pattern from the southwest and a strong gust surface pattern from the east. There were…
- [NTSB DEN87LA067](https://openairdocs.org/ntsb/DEN87LA067.md): Piper PA-31-350 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Mar 19, 1987 · N3529W · 2 aircraft · Minor damage
  > The plt of the Piper navajo was taxiing to the active rwy for an IFR departure, directed his attention to the departure procedure chart in the cockpit, and collided with the tail of a swearingen acft holding short of the rwy awaiting takeoff clearance.
- [NTSB DEN86LA046](https://openairdocs.org/ntsb/DEN86LA046.md): Cessna 206 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Dec 14, 1985 · N5173U · Destroyed
  > After ldg to the east on a snow covered dirt rwy, the pilot elected to t/o on an intersecting rwy to the south. He could not see the entire rwy surface from the position due to dwn slope from center of rwy. The acft impacted snowdrifts 40-50 mph on t/o gnd…
- [NTSB DEN85LA220](https://openairdocs.org/ntsb/DEN85LA220.md): Beech 76 · Sula, MT · Accident · No injuries · Limited investigation · Final report · Aug 15, 1985 · N3865U · Substantial damage
  > Plt stated that he overflew airstrip to 'make sure it was clear.' During the landing roll, he saw shrubbery on the rwy and attempted evasive action. The acft veered left and the left main gear rolled into a drainage ditch and the left wing contacted a fence…
- [NTSB DEN82DA129](https://openairdocs.org/ntsb/DEN82DA129.md): Piper PA-32-260 · Broadus, MT · Accident · No injuries · Final report · Jul 5, 1982 · N3670W · Substantial damage
  > During a landing the aircraft collided with bales of hay along the left side of the runway, collapsing the left landing gear. Later his instructor informed him he had developed a habit of landing on the left side of the runway.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 310)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=310&state=MT

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.