Which heading indicates correct alignment for takeoff on runway RWY 18?

The correct heading for takeoff on runway RWY 18 is 185°. Runway numbers are assigned based on their magnetic heading, rounded to the nearest ten degrees. Runway 18 would have a magnetic heading of approximately 180°.

For pilots, alignments during takeoff need to be precise to ensure a safe departure. The exact heading of 180° represents the centerline of the runway, while a heading of 185° is slightly to the right of this centerline. It is common practice to align the aircraft slightly off the centerline for takeoff to account for factors like wind direction and runway conditions, which may require a small adjustment.

In this context, a heading of 185° allows for a correct takeoff alignment while providing a buffer to maintain control and offset any lateral drift caused by crosswinds. This ensures that the aircraft is effectively utilizing the available runway while adhering to standard operating procedures.