# NTSB investigations: Hughes 269C, MI

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 CHI91LA207](https://openairdocs.org/ntsb/CHI91LA207.md): Hughes 300C · Whitehall, MI · Accident · No injuries · Limited investigation · Final report · Jul 4, 1991 · N58404 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the water. A factor was the dark night light condition.
- [NTSB CHI82DA149](https://openairdocs.org/ntsb/CHI82DA149.md): Hughes 269C · Flint, MI · Accident · No injuries · Final report · May 3, 1982 · N8963F · Substantial damage
  > The aircrew were on an instructional flight to prepare the student, a rated pilot, for a flight instructor rating. After practicing several autorotation approaches, the helicopter was landed. The instructor pilot (ip) stated that after touchdown, he and the…
- [NTSB CHI76DEM24](https://openairdocs.org/ntsb/CHI76DEM24.md): Hughes 269C · Saginaw, MI · Accident · No injuries · Closed · Jan 5, 1976 · N9685F · Substantial damage
- [NTSB CHI72AC050](https://openairdocs.org/ntsb/CHI72AC050.md): Hughes 269C · Clarkston, MI · Accident · 1 fatal · Closed · Dec 8, 1971 · N9652F · Destroyed

## 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" = 'MI' 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 ('4470504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470504&state=MI

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