Your vessel departs Montevideo, Uruguay, LAT 34°40.3'S, LONG 54°09.1'W (ZD +4), at 1800 zone time, on 15 October. It is bound for New York, LAT 40°27.5'N, LONG 73°49.9'W (ZD +5). The distance is 5,749 miles, and you expect to average 20 knots. What is your estimated zone time of arrival?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 1627, 27 October
Distance of 5,749 miles at 20 knots requires 287.45 hours (11 days, 19 hours, 27 minutes). Adding transit time to 1800 ZT (ZD +4) on 15 October, and accounting for zone description changes, establishes arrival at 1627 ZT on 27 October.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.