# NTSB investigations, LA: Part(s) separation from AC

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 CEN17LA174](https://openairdocs.org/ntsb/CEN17LA174.md): Bell 407 · Venice, LA · Accident · No injuries · Limited investigation · Final report · May 2, 2017 · N457PH · Substantial damage
  > An in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox support assembly, and inadequate postrepair test procedures,…
- [NTSB CEN16LA401](https://openairdocs.org/ntsb/CEN16LA401.md): Agustawestland Philadelphia AW139 · Galliano, LA · Accident · No injuries · Limited investigation · Final report · Apr 7, 2016 · N639NA · Substantial damage
  > The fatigue failure of a tail rotor blade erosion shield extension, which resulted in in-flight damage to a main rotor blade.
- [NTSB GAA16CA039](https://openairdocs.org/ntsb/GAA16CA039.md): Bell 407 · Cameron, LA · Accident · No injuries · Data collection · Final report · Oct 30, 2015 · N420PH · Substantial damage
  > The pilot's failure to remove a main rotor blade tiedown, which resulted in substantial damage to a main rotor blade when the engine was started.
- [NTSB CEN14LA508](https://openairdocs.org/ntsb/CEN14LA508.md): Brupbacher Chris CB2000 · Reserve, LA · Accident · 2 fatal · Limited investigation · Final report · Sep 21, 2014 · N5002E · Destroyed
  > The failure of the flight control rod bearing due to an undetected preexisting corrosion-induced crack, which resulted in the main rotor blades going to full pitch and the rotor mast folding; this allowed the pusher propeller to strike and sever the tail.
- [NTSB CEN13LA321](https://openairdocs.org/ntsb/CEN13LA321.md): Bell 206-L4 · Abbeville, LA · Accident · No injuries · Limited investigation · Final report · Jun 6, 2013 · N720RL · Substantial damage
  > Failure of maintenance personnel to ensure adequate torque of a tailrotor drive shaft coupling bolt, which resulted in the partial disconnection of the drive shaft.

## 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" = 'LA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '338')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/338/cases?state=LA

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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.