Deck Safety (Supplementary) USCG Question #4075 (Set 7)

You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? D035DG

Official USCG Answer & Rule Citation

Correct Answer: Option D — 790 yards

Maneuvering characteristics are determined through standardized sea trials. Advance is the longitudinal distance covered during the turn. By plotting the radar data points of the isolated light, the vessel's track is reconstructed, confirming that the longitudinal distance traveled during a 90° turn for this specific data set is 790 yards.

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