on 20 october , saumarez was waiting Motion off cape barfleur for french movement when his lookout sighted Know `` UNK '' and the cutter `` UNK '' approaching Arriving from open water .

`` Cardiff '' , on the lookout Patrolling for aircraft flying supplies to the Argentine forces occupying Control the Falkland Islands , had misidentified Check the helicopter as an enemy C-130 Hercules .

the hurricane Catastrophe soon approached Arriving charleston , south carolina , on 1 september , and subsequently made landfall near cape lookout in north carolina on 3 september .