On 25 April your 1130 DR position is LAT 24°50.0'N, LONG 61°25.0'W. Your vessel is on a course of 300°T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel.

Question

On 25 April your 1130 DR position is LAT 24&deg;50.0'N, LONG 61&deg;25.0'W. Your vessel is on a course of 300&deg;T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel.

Accepted Answer

Option D: 1204. Local apparent noon calculation involves determining the exact moment the Sun crosses the vessel meridian. Per Bowditch, apply the equation of time, standard meridian offsets, and dead reckoning position updates based on vessel speed and course over ground.

On 25 April your 1130 DR position is LAT 24&deg;50.0'N, LONG 61&deg;25.0'W. Your vessel is on a course of 300&deg;T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel.

On 25 April your 1130 DR position is LAT 24°50.0'N, LONG 61°25.0'W. Your vessel is on a course of 300°T at a speed of 16.0 knots. Determine the zone time of (LAN) for your vessel.