Accident Overview
On 20 August 2017 at 11:20 UTC, a Eurocopter AS 350 B3 helicopter, registration OE-XTM, operated by Everjets, collided with high-tension power lines near Cabril, Castro Daire, Viseu, Portugal. The accident occurred during a flight recorded by the Portuguese civil aviation authority.
Aircraft Information
The helicopter was a Eurocopter AS 350 B3, a single-engine light utility helicopter. It was equipped with a firefighting bucket system (Bambi Bucket or similar) and a wire strike protection system (WSPS). The aircraft's maintenance and airworthiness records were reviewed as part of the investigation.
Flight History
According to the official report by the Gabinete de Prevenção e Investigação de Acidentes com Aeronaves e de Acidentes Ferroviários (GPIAAF), the flight departed under unknown circumstances. The helicopter came into contact with high-voltage power lines, resulting in the accident.
Injuries and Damage
The report lists sections for injuries to persons and damage to aircraft, but specific details are not included in the provided source excerpt.
Investigation
GPIAAF, the Portuguese safety investigation authority, conducted the investigation. The final report was published on 3 December 2018. The investigation included analysis of the flight and engine monitoring computer, meteorological conditions, and other factors. The probable cause of the accident is not stated in the available excerpt.