Helicopter Mil Mi-4 Hound Serial 08 110 Register 18 used by bulgarski voennovazdushni sili (bulgarian air force). Aircraft history and location Aircraft History 18 bulgarski voennovazdushni sili Bulgarian AF 2019 A Anevo Range G I Airframe GI at Anevo range. 2021-09 B BGKVO G I Airframe ex Anevo GI (rotorless) at 61st Mechanised Brigade (Army) at Karlovo. Send Updates Use APP to upload photo @ (optional) When Now? / / Send