Approach to helipad with tail wind – ended up in trees adjacent to the heliport. Helicopter believed to be on sightseeing tour. Five people injured Cláudio Cobo Fernandes, Marcos Estaca da Silva Nunes, Disney da Silva Ribeiro Lopes Júnior, along with pilot Ricardo de Resende Herter and co-pilot Murilo Cesar da Silva Saibro. Damage to main rotor, as well as breakage of the tail rotor and vertical stabilizer; there was also damage to the underside and skis of the helicopter.