# NTSB investigations, 2017: 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 CEN18LA026](https://openairdocs.org/ntsb/CEN18LA026.md): Hughes 369D · Sulphur, LA · Accident · 2 fatal · Limited investigation · Final report · Nov 7, 2017 · N138WH · No damage
  > The pilot's failure to maintain adequate separation between a long line being used to hoist linemen from a shield wire during an external load flight, which resulted in the long line being severed.
- [NTSB ERA17TA170](https://openairdocs.org/ntsb/ERA17TA170.md): Bell 206 · Orange Springs, FL · Accident · Serious injuries · Final report · May 2, 2017 · N911GE · Substantial damage
  > The pilot's failure to maintain adequate clearance between the helicopter's skid and the firefighting bucket and suspension cable, which resulted in the cable becoming entangled on the landing skid and a subsequent loss of helicopter control.
- [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.

## 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") = 2017
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE 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?year=2017

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