At 1210 zone time on 1 December, you depart Seattle, LAT 47°36.0'N, LONG 122°22.0'W (ZD +8). You are bound for Guam, LAT 13°27.0'N, LONG 144°37.0'E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam?

Question

At 1210 zone time on 1 December, you depart Seattle, LAT 47&deg;36.0'N, LONG 122&deg;22.0'W (ZD +8). You are bound for Guam, LAT 13&deg;27.0'N, LONG 144&deg;37.0'E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam?

Accepted Answer

Option D: 1334, 12 December. Divide 4948 miles by 20 knots to obtain 247.4 hours (10 days, 7 hours, 24 minutes). Adding this to the 1210 departure on 1 December, then applying the zone time shift from +8 to -10 (an 18-hour difference), results in an estimated arrival of 1334 on 12 December.

At 1210 zone time on 1 December, you depart Seattle, LAT 47&deg;36.0'N, LONG 122&deg;22.0'W (ZD +8). You are bound for Guam, LAT 13&deg;27.0'N, LONG 144&deg;37.0'E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam?

At 1210 zone time on 1 December, you depart Seattle, LAT 47°36.0'N, LONG 122°22.0'W (ZD +8). You are bound for Guam, LAT 13°27.0'N, LONG 144°37.0'E, and you estimate your speed of advance at 20 knots. The distance is 4,948 miles. What is your estimated zone time of arrival at Guam?