# NTSB investigations: Hughes 369HS: In flight collision with terrain/water

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 DEN05LA056](https://openairdocs.org/ntsb/DEN05LA056.md): Hughes 369HS · Provo, UT · Accident · No injuries · Limited investigation · Final report · Feb 3, 2005 · N9118F · Substantial damage
  > the pilot's improper in-flight planning and decision making, his failure to maintain terrain clearance, and the total failure of the tail rotor drive shaft as a result of the tail rotor strike.
- [NTSB CHI04LA017](https://openairdocs.org/ntsb/CHI04LA017.md): Hughes 369HS · Evansville, MN · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 2003 · N49TJ · Substantial damage
  > The pilot's misjudgment of clearance from the surface of the lake during the aerial application pass. The low altitude operation, glassy water, and his visual perception were contributing factors.
- [NTSB LAX99LA292](https://openairdocs.org/ntsb/LAX99LA292.md): Hughes 369HS · Pohnpei (Pacific Ocean) · Accident · 2 fatal · Limited investigation · Final report · Sep 1, 1999 · N42054 · Destroyed
  > An in-flight collision with the water for undetermined reasons.
- [NTSB SEA94FA194](https://openairdocs.org/ntsb/SEA94FA194.md): Hughes 369HS · Seaside, OR · Accident · 2 fatal · Field investigation · Final report · Jul 24, 1994 · N7771F · Destroyed
  > Inflight collision with terrain for undetermined reasons.
- [NTSB MIA94LA165](https://openairdocs.org/ntsb/MIA94LA165.md): Hughes 369HS · Sarasota, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 22, 1994 · N520TC · Substantial damage
  > Altitude misjudged by the pilot.
- [NTSB SEA93LA030](https://openairdocs.org/ntsb/SEA93LA030.md): Hughes 369HS · Scotts Mills, OR · Accident · No injuries · Limited investigation · Final report · Nov 27, 1992 · N9228F · Substantial damage
  > The pilot in command's misjudged descent. Factors include the pilot in command's lack of experience in this type of operation.
- [NTSB SEA82DA055](https://openairdocs.org/ntsb/SEA82DA055.md): Hughes 500C · Darrington, WA · Accident · No injuries · Final report · Apr 19, 1982 · N9131F · Substantial damage
  > During an approach to a 9100 foot high snow covered landing site the wind shifted to a tailwind condition. The pilot elected to continue and attempted a skid on landing. While skidding through the snow the left skid impacted rising terrain underneath a 12…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470728&occurrence=230

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