A new airworthiness directive for the MD Helicopters MD500N, MD600N and MD900 requires determining the cure date for each Notar fan blade tension-torsion strap (T-T strap). The light at the end of ...

The five helicopters are part of a $1.4 billion contract for the delivery of an estimated 150 armed MD-530 rotorcraft to Afghanistan by 2022. The recent delivery increases the Afghan Air Force’s ...