Question 4917 Deck General

The correct answer is C) 6 to 1 or better. The reasoning is that when navigating independently in ice, the ship requires adequate horsepower to overcome the increased resistance and forces exerted by the ice. Industry standards generally consider a horsepower to length ratio of at least 6 to 1 to be the minimum required for safe independent navigation in ice. The other options are incorrect because 8 to 1 (A) would be an overly conservative standard, while 4 to 1 (B) and 5 to 1 (D) would not provide enough horsepower for reliable ice navigation.