# NTSB investigations: Hughes 369HS, 1987

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 LAX88LA059](https://openairdocs.org/ntsb/LAX88LA059.md): Hughes 369HS · Lihue, Kauai, HI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1987 · N77DJ · Substantial damage
  > Pilot failure to maintain adequate main rotor RPM.
- [NTSB CHI87LA180](https://openairdocs.org/ntsb/CHI87LA180.md): Hughes 369HS · Griffith, IN · Accident · No injuries · Limited investigation · Final report · Jul 30, 1987 · N42405 · Substantial damage
  > The tail boom of the helicopter was severed after rotor blade contact during a hard landing. The acc occurred during an autorotation demo for the police dept with a power recovery. Application of power was late and the helicopter landed hard and bounced. The…
- [NTSB ATL87DLQ02](https://openairdocs.org/ntsb/ATL87DLQ02.md): Hughes 369HS · Hawesville, KY · Accident · Minor injuries · Final report · May 28, 1987 · N9180F · Substantial damage
  > During a weed control spraying operation, the pilot experienced a power failure 45 feet above the ground. The autorotation attempt resulted in the helicopter impacting the ground on it's left side. The investigation disclosed that the flexible fuel line to…
- [NTSB SEA87LA079](https://openairdocs.org/ntsb/SEA87LA079.md): Hughes 369HS · Yakima, WA · Accident · No injuries · Limited investigation · Final report · Apr 11, 1987 · N8313F · Substantial damage
  > Six miles from the airport, at cruise, the engine ceased operating due to fuel exhaustion. The plt had noticed the low fuel warning light on 10 minutes prior to the engine failure but elected to continue his flight. Autorotation was made from 1,000 feet AGL…
- [NTSB MIA87LA106](https://openairdocs.org/ntsb/MIA87LA106.md): Hughes 364HS · Opa Locka, FL · Accident · Minor injuries · Limited investigation · Final report · Mar 12, 1987 · N4507C · Substantial damage
  > The pilot of the helicopter was executing a normal approach to the ground when as he neared the ground the ventral fin struck the ground. The tail rotor driveshaft re-centered and the pilot thought the accompanying shudder was a tail rotor failure, and landed…

## 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 year(c."eventDate") = 1987
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470728&year=1987

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