Helicopter Mil Mi-17PP hip-k Serial 150P01 Register 431 used by bulgarski voennovazdushni sili (bulgarian air force). Aircraft history and location Aircraft History For 431 see also aw109e 11809 431 bulgarski voennovazdushni sili 2015-05 A LBPDBVVS stored/wfu at Plofdiv Send Updates Use APP to upload photo @ (optional) When Now? / / Send