To serve as relief or assistant pilot.
A backup or assistant pilot of an aircraft.
To find a way through a difficult situation or process.
To plan, control and record the position and course of a vehicle, ship, aircraft, etc., on a journey; to follow a planned course.
To move between web pages, menus, etc. by means of hyperlinks, mouse clicks, or any other mechanism.
To give directions, as from a map, to someone driving a vehicle.
To travel over water in a ship; to sail.