Apply proper correction to maintain a course, allowing no more than ¾-scale deflection of the course deviation indicator (CDI). If a distance measuring equip…

Instrument Rating Airplane ACS › V. Navigation Systems › A. Intercepting and Tracking Navigational Systems and DME Arcs

Apply proper correction to maintain a course, allowing no more than ¾-scale deflection of the course deviation indicator (CDI). If a distance measuring equipment (DME) arc is selected, maintain that arc ±1 nautical mile.