Aerospace: Powell minute for MT ("Westland") [Westland threat to halve their helicopter division by half and close Weston-Super-Mare factory, demanding government order Sea Kings and Black Hawk; in fact "substantial negotiating margin" in Westland's position on orders; MOD has no need of Black Hawk but "element of bargaining" in their position; "The offer of medium-term hope is the only realistic one"] [declassified Dec 2016]