This interesting case involved a collision between the Canadian Naval vessel "Kootenay" and the "Nordpol" on June 1, 1989, in conditions of fog. At the time of the collision the "Kootenay" was engaged in anti-submarine exercises that required her not to emit any radar or radio signals. The "Kootenay" was observed on radar by those on board the "Nordpol" but …
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