# NTSB investigations: Agustawestland Philadelphia AW139

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 CEN22LA430](https://openairdocs.org/ntsb/CEN22LA430.md): Agusta AW139 · Houma, LA · Accident · No injuries · Class 3 · Limited · Final report · Sep 24, 2022 · N811TA · Substantial damage
  > The inflight loss of collective control of the helicopter due to thermal damage of a collective control torque tube that abraded with misrouted electrical wiring, which resulted in an electrical short and inflight fire. Contributing to the accident were the…
- [NTSB ANC17LA051](https://openairdocs.org/ntsb/ANC17LA051.md): Leonardo AW139 · Tujunga, CA · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2017 · N304FD · Substantial damage
  > A yaw excursion and uncontrolled descent due to loss of tail rotor effectiveness during aerial firefighting operations resulting in an impact with trees. A contributing factor was the pilot’s failure to maintain sufficient airspeed, coupled with a quartering…
- [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.

## 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 ('0260400'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0260400

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