Location: England Various shots following a river pilot. He is seen disembarking from one boat and climbing up a rope ladder onto a large ship. Various shots of another river pilot, dressed in a cap, woollen jumper and sea faring jacket. He is seen at the wheel of his boat. Various shots of two river police pilots on the River Thames in London. They are filmed in the cab and on the deck of their boat. They pull up alongside some riverboat houses and talk to a woman who owns one of the them....
The Northwest Passage is the approximately 5780 km long sea route that connects the Atlantic Ocean with the Pacific Ocean north of the American continent. It crosses the Arctic Ocean and its marginal seas as well as the associated sea lanes through the Canadian-Arctic archipel ago.
Roald Amundsen made his first complete successfully crossing in 1903-1906 via the route discovered by John Rae through the James Ross Strait, Rae Strait and Simpson Strait on the small ship Gjøa.
Research on hydrodynamic interaction indicates that if the speed of the ship near a bank is too high, the rudder may be less able to cope with the forces induced and control will be lost. The Nautical Institute highlights this in its latest Mars Report, in which an LPG carrier hit a barge being towed by a tugboat as a result of hydrodynamic forces.
