Helicopter Mil Mi-171Sh Serial 171Sh00604105310U Register EP-664 used by Ejercito del Peru (Peruvian Army). Aircraft history and location Aircraft History EP-664 Ejercito del Peru Ejercito 2011 MI-171SH deliveries to Peru completed 2019-05-17 Accident 17 May 2019, crashed near Coangos. Send Updates Use APP to upload photo @ (optional) When Now? / / Send