The Ejército del Perú came about the helicopter Mil Mi-171Š, reg. EP-664, v no 171Sh00604105310U, who crashed out of yet undetected, causes in Coangos, Condorcanqui, Amazonas. The accident killed 2 out of 4 people on board, it was Aldo Castillo Morales and Richard Aucapoma Chávez. Both of the survivors suffered injuries.
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