# NTSB investigations: Hughes Helicopters HUGHES 369D, 2015

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 WPR16LA032](https://openairdocs.org/ntsb/WPR16LA032.md): Hughes 369D · Carlisle, WA · Accident · No injuries · Limited investigation · Final report · Nov 24, 2015 · N50713 · Substantial damage
  > A total loss of engine power during cruise flight due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge.
- [NTSB WPR16LA021](https://openairdocs.org/ntsb/WPR16LA021.md): MD Helicopter 369D · Sedro-Woolley, WA · Accident · No injuries · Limited investigation · Final report · Nov 3, 2015 · N510PA · Substantial damage
  > The loss of engine power due to fuel starvation as a result of naphthenate fuel contamination, which blocked the fuel flow through the start pump.
- [NTSB ERA16LA030](https://openairdocs.org/ntsb/ERA16LA030.md): Hughes 369D · Marion, SC · Accident · No injuries · Limited investigation · Final report · Oct 30, 2015 · N920JP · Substantial damage
  > A momentary jam in the tail rotor control system from an undetermined source, resulting in a torsional fracture of the tail rotor control torque tube and a loss of helicopter control.
- [NTSB ERA15FA178](https://openairdocs.org/ntsb/ERA15FA178.md): Hughes 369D · Cherokee, AL · Accident · 1 fatal · Field investigation · Final report · Apr 6, 2015 · N555JC · Substantial damage
  > The pilot's spatial disorientation during a low-level river crossing in rainy, gray, reduced visibility meteorological conditions, which resulted in the helicopter's subsequent descent and impact with the water. Contributing to the accident was 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 year(c."eventDate") = 2015
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470706&year=2015

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