Helicopter Mil Mi-171Sh Serial Register 648 used by Bangladesh Biman Bahini BAF (Bangladesh Air Force). Aircraft history and location Aircraft History For 648 see also mi-8t 106 48 mi-14bt B4012 648 Bangladesh Biman Bahini BAF 2012 w/o 03jan18 Send Updates Use APP to upload photo @ (optional) When Now? / / Send