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?

Correct Answer: Option A — The current is easterly.

Dead reckoning (DR) advances position based solely on course and engine speed. When a fix lies 0.5 miles east of the DR after 30 minutes, it indicates an easterly set from the current. Since set is the direction toward which the current flows, the current is easterly.