Helicopter Mil Mi-8T Hip-C Serial 133 01 Register HS-1 used by Maavoimat (Finnish Army). Aircraft history and location Aircraft History For HS-1 see also 1954 S-55 55-744 HS-1 Maavoimat 1973-05-31c/n 133 01 / 13301 Army d/d 31may73 preserved museum Helsinki Vanta 1988-05 A Finnish Aviation Museum Exhibit On display at Finnish Aviation Museum. Arrived May 1988. Send Updates Use APP to upload photo @ (optional) When Now? / / Send