# NTSB investigations: Bell UH-1H, MT

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 WPR21LA236](https://openairdocs.org/ntsb/WPR21LA236.md): Bell UH-1H · Townsend, MT · Accident · No injuries · Class 4 · Limited · Final report · Jun 15, 2021 · N398M · Destroyed
  > The pilot’s failure to maintain helicopter control after an encounter with settling with power during approach at an altitude that was too low for recovery, which resulted in a hard landing.
- [NTSB SEA07TA202](https://openairdocs.org/ntsb/SEA07TA202.md): Bell UH-1H · Benchmark, MT · Accident · Minor injuries · Final report · Jul 16, 2007 · N667HP · Substantial damage
  > Dense smoke/haze which restricted the pilot's visibility and the pilot's failure to maintain aircraft control during the emergency descent resulting in impact with terrain.
- [NTSB SEA01LA046](https://openairdocs.org/ntsb/SEA01LA046.md): Western International UH-1H · Darby, MT · Accident · 1 fatal · Limited investigation · Final report · Feb 7, 2001 · N205GL · Substantial damage
  > Inflight 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…

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181407'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181407&state=MT

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