# Fatal NTSB investigations: Texas Helicopter OH-13E/M74

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 ATL99FA132](https://openairdocs.org/ntsb/ATL99FA132.md): Continental Copters Tomcat MK5A · Heflin, AL · Accident · 2 fatal · Field investigation · Final report · Sep 16, 1999 · N9010T · 2 aircraft · Destroyed
  > The pilot of N9010T's failure to maintain visual lookout while maneuvering, resulting in a midair collision with N30899. A factor was the sun glare.
- [NTSB LAX91LA388](https://openairdocs.org/ntsb/LAX91LA388.md): Texas Helicopter M74 · Farmington, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 11, 1991 · N43921 · Destroyed
  > Loss of engine power for an undetermined reason. Factors related to the accident were: the excessive gross weight of the helicopter, and the pilot's improper use of flight controls due to impairment from use of a drug (marijuanna).
- [NTSB ATL89FA193](https://openairdocs.org/ntsb/ATL89FA193.md): Texas Helicopter OH-13/M74 · Norman Park, GA · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1989 · N51850 · Destroyed
  > Improper planning/decision by the pilot, which resulted in his physical impairment from exposure to lannate, and his failure to maintain altitude/clearance above the ground. A factor related to the accident was: failure of the pilot to use a respirator while…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8930103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=8930103

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