- GPS/GLONASS uncorrected
- Differential corrections via SBAS
- Differential corrections via UHF
- Differential corrections via 3G / 4G
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.
This article was originally published on Baird Maritime (link below)
When a pilot is berthing a ship with the aid of tugs, it sometimes happens that the ship lands heavily and suffers minor damage. More commonly in my experience, it also happens that the crew discover a large dent for which they cannot account ...