Question 1784Navigation General70% to pass
At 0000 you fix your position and plot a new DR track line. At 0200 you again fix your position and it is 0.5 mile west of your DR. Which statement is TRUE?
AI Explanation
The correct answer is B) The set is 270°, drift 0.25 knot.
To determine this, we need to calculate the difference between the fix position and the DR position. Since the fix position is 0.5 mile west of the DR position, the set must be 270° (westward) and the drift must be 0.25 knot to produce a 0.5 mile difference over the 2-hour period.
The other options are incorrect because:
A) A set of 270° and drift of 1.0 knot would result in a larger displacement than 0.5 mile.
C) A set of 270° and drift of 0.5 knot would also result in a larger displacement.
D) A set of 090° (eastward) would be in the opposite direction of the observed displacement.
Related Questions
#1782 A current perpendicular to a vessel's track has the greatest effect on the vessel's course made good _______________.#1783 The type of current which will have the greatest effect on the course made good for your vessel is _______________.#1785 At 0000 you fix your position and change course to 090°T. At 0030 you again fix your position and it is 0.5 mile east of your DR. Which statement is TRUE? #1786 At 0000 you fix your position and change course to 270°T. At 0030 you again fix your position, and it is 0.5 mile east of your DR. Which statement is TRUE? #1787 You are steering a southerly course, and you note that the chart predicts an easterly current. Without considering wind, how may you allow for the set?