Helicopter Mil mi-24d Serial 150602 Register 137 used by bulgarski voennovazdushni sili (bulgarian air force). Aircraft history and location Aircraft History For 137 see also oh-58b 42215 sa321g 137 sa330c 1105 hss-1n 58-1442 ab412hp 25680 1969 S-65C-3 65-238 137 bulgarski voennovazdushni sili 2015-05 A LBPDc/n 150602 / 150 602 BVVS stored/wfu at Plovdiv Send Updates Use APP to upload photo @ (optional) When Now? / / Send