Helicopter Mil Mi-24V Hind Serial 150721 Register 146 139 used by bulgarski voennovazdushni sili (bulgarian air force). Aircraft history and location Aircraft History For 139 see also hss-1n 58-1374 w/o 1961 oh-58b 42217 sa330l 1118 1969 S-65C-3 65-239 1987 412sp 33139 139 bulgarski voennovazdushni sili c/n 150721 / 150 721 BVVS For 146 see also sa330h 1331 1988 412sp 33146 2001 as350b3 3338 146 bulgarski voennovazdushni sili 2015-05 A LBPD stored/wfu at Plofdiv Send Updates Use APP to upload photo @ (optional) When Now? / / Send