medium haul
European short-haul and medium-haul flights have Economy seats in the rear cabin, and Economy Comfort and Europe Business in the forward cabin. Source: Internet
Since propellant typically represents the majority of the takeoff weight of a rocket, HOTOL was to be considerably smaller than normal pure-rocket designs, roughly the size of a medium-haul airliner such as the McDonnell Douglas DC-9 /MD-80. Source: Internet