美 MD Helicopters 社가 개발하는 MD 540F 무장헬기
MDHI Details New Armed Helicopter Defense Daily, 04/04/2012 Author : Ann Roosevelt NASHVILLE, Tenn.--MD Helicopters Inc. (MDHI) yesterday displayed its first new helicopter in 15 years, a single engine turbine armed helicopter, the MD 540F, which could be a candidate for a potential Army armed aerial scout. The 540F is an upgrade to the MD 530F, with a six-bladed, fully articu..