# NTSB investigations: Mcdonnell Douglas Heli 369FF: External load event (Rotorcraft)

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 CEN17FA127](https://openairdocs.org/ntsb/CEN17FA127.md): Mcdonnell Douglas Heli 369FF · Chalmers, IN · Accident · 1 fatal · Field investigation · Final report · Mar 14, 2017 · N530KD · Destroyed
  > The pilot's failure to ensure that the needle did not entangle with the tower's vertical lattice as he moved the helicopter rearward, which resulted in the helicopter becoming tethered to the tower and a subsequent loss of control.
- [NTSB WPR10FA012](https://openairdocs.org/ntsb/WPR10FA012.md): Mcdonnell Douglas Heli 369FF · Fossil, OR · Accident · 1 fatal · Field investigation · Final report · Oct 12, 2009 · N527SH · Substantial damage
  > The pilot's failure to maintain clearance from a power pole to which he was connecting wire-pulling ropes.
- [NTSB WPR09LA226](https://openairdocs.org/ntsb/WPR09LA226.md): MD Helicopter 369FF · Santa Clarita, CA · Accident · No injuries · Limited investigation · Final report · May 1, 2009 · N67FF · Substantial damage
  > The pilot's failure to maintain clearance from the water while maneuvering at low altitude as a result of the helicopter's grappling hook temporarily becoming ensnared with an underwater obstruction.

## 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 ('3027371')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '480' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/480/sequence?model=3027371

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