When Louis climbs on the back of the yacht, he is seen falling off of the front of the boat, without having been seen to move forward to the bow.
Also, a boat of this type cannot accelerate quickly enough to cause a man to lose his balance and fall overboard.
Also, a boat of this type cannot accelerate quickly enough to cause a man to lose his balance and fall overboard.
When Vic tries to hail the radio operator, he gives their position as "Longitude 29.36 degrees, Latitude 89 degrees". He has reversed lat/long, which is always given as latitude first. The co-ordinates he gave would put them north of Greenland, about sixty miles south of the north pole.
When the two pirates discuss whether or not the yacht's "mayday" call could be heard, the plummer character says that their call could only be heard if there were another vessel within one mile. The radio actually has a much greater range that that, about twenty-five miles.