How should a pilot adjust compass errors during a turn and maintain the desired heading?

• A. Turn using standard-rate turns and cross-check with the heading indicator
• B. Ignore heading indicator
• C. Turn using only visual cues
• D. Turn using arbitrary bank angle

Answer: (A)

During a turn, the magnetic compass can lag and show a momentary error as the aircraft changes direction. The best way to keep a precise heading is to fly a standard-rate turn (about 3 degrees per second) so the turn rate is predictable, and continuously cross-check that turn with the heading indicator. The heading indicator provides a gyroscopic reference that helps you verify the actual heading, helping you catch and correct any compass lag or deviation. Relying on visual cues alone or using an arbitrary bank won’t give you a dependable, known rate of turn or an accurate heading. Ignoring the heading indicator would leave you vulnerable to the compass’s turning error, and using an arbitrary bank angle won’t guarantee you reach and hold the intended heading.