What is the coverage angle of a localizer each side of the centerline to 10 NM?

The correct answer regarding the coverage angle of a localizer each side of the centerline to 10 NM is 35°. Localizers are an essential component of the Instrument Landing System (ILS), providing lateral guidance for aircraft approaching a runway.

Typically, the localizer operates within a defined angular range, ensuring that aircraft receive accurate positional information relative to the runway centerline. For localizers, this coverage angle is generally specified to ensure adequate signal strength and integrity for pilots. The standard coverage angle can vary based on the system, but the 35° angle is recognized as effective and commonly used in aviation regulations and procedures.

This angle allows for smooth and accurate course guidance to pilots, reducing the likelihood of course deviation as they approach the runway for landing. Having a well-defined coverage area is crucial for maintaining safety and precision, contributing to effective flight operations, especially during critical phases like landing.

The other options do not align with the established parameters for localizer coverage angles; hence, they are not applicable in this context.