Deck General USCG Q#4524 (Set 145)

Ice concentration is measured in tenths. What concentration range of ice corresponds to 1- 3 tenths?

Official USCG Answer & Rule Citation

Correct Answer: Option B — Very Open Pack

Standard World Meteorological Organization ice reporting criteria classifies concentrations of 1 to 3 tenths as "Very Open Pack." This sparse distribution allows most vessels to navigate with minimal resistance while maintaining normal transit speeds.

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