# NTSB investigations, TX: 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 CEN15FA210](https://openairdocs.org/ntsb/CEN15FA210.md): Eurocopter Deutschland MBB BK 117 C-2 · Austin, TX · Accident · 1 fatal · Field investigation · Final report · Apr 28, 2015 · N392TC · No damage
  > The helicopter rescue specialist was not properly attached to the hoist system, which resulted in a fall during a night hoist operation.
- [NTSB CEN13LA461](https://openairdocs.org/ntsb/CEN13LA461.md): Hughes 369D · Ackerly, TX · Accident · 2 fatal · Limited investigation · Final report · Aug 5, 2013 · N8688F · No damage
  > The pilot’s failure to identify and maintain adequate clearance from a shield wire that was suspended between power transmission line towers.
- [NTSB CEN13FA075](https://openairdocs.org/ntsb/CEN13FA075.md): Hughes 369 · Childress, TX · Accident · 1 fatal · Field investigation · Final report · Nov 27, 2012 · N28MP · Substantial damage
  > The improper maintenance of the helicopter fuel system that resulted in erroneous fuel gauge indications and the pilot’s inadequate fuel management, both of which resulted in fuel exhaustion during a long-line hover. Also causal was the lack of company…

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  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?state=TX

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.