Helicopter Mil Mi-171 Serial 59489617770 Register OM-BYU B-1770 used by Letecký útvar Ministerstva vnútra Slovenskej Republiky Policajný (Ministry of Interior Affairs of Slovak Republic). Built 2002. Aircraft history and location Aircraft History B-1770 Letecký útvar Ministerstva vnútra Slovenskej Republiky Policia c/n 59 489 61 7770 from 2002 OM-BYU Letecký útvar Ministerstva vnútra Slovenskej Republiky 2015-08Police, noted Aug15 2017-08-26 A LZSL SIAF 2017 LU-MV SR at Slovak International Air Fest 2017 Send Updates Use APP to upload photo @ (optional) When Now? / / Send