The Messerschmitt-Bölkow-Blohm Bo 115 was a prototype light, twin-engine, attack helicopter developed by Messerschmitt-Bölkow-Blohm of Ottobrunn, Germany, powered by two Allison 250-C20 turboshafts, and 8 anti-tank missiles. It was based on the mechanical elements of the MBB Bo 105.