Accident
On 29 June 2015 at 12:25 UTC, a Eurocopter AS350 B3 helicopter, registration CS-HMH, operated by Heliportugal, crashed into water during firefighting operations at Pedreira de Lamoso in Paços de Ferreira, Portugal. The helicopter sank following the impact.
Aircraft and Operator
The aircraft was a Eurocopter AS350 B3, registered CS-HMH, and operated by Heliportugal. The accident occurred during a firefighting mission.
Investigation
The investigation was carried out by the Gabinete de Prevenção e Investigação de Acidentes com Aeronaves (GPIAA), which later became part of the Gabinete de Prevenção e Investigação de Acidentes com Aeronaves e de Acidentes Ferroviários (GPIAAF). The final report was published in both Portuguese and English.