A Compass Locator has a usable distance of ____ miles.

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Multiple Choice

A Compass Locator has a usable distance of ____ miles.

Usable distance refers to how far the signal from a navigation aid can be received reliably. A Compass Locator is a low-power beacon used with ILS approaches to identify the approach path, and it’s designed to cover only the immediate approach area. Because of its limited power and purpose, its service volume is about 15 miles, meaning within roughly a 15-mile radius you can reliably hear the locator’s identification and use it as a cue on the approach. Beyond that range, the signal becomes unreliable, so it’s not relied upon for navigation.

Usable distance refers to how far the signal from a navigation aid can be received reliably. A Compass Locator is a low-power beacon used with ILS approaches to identify the approach path, and it’s designed to cover only the immediate approach area. Because of its limited power and purpose, its service volume is about 15 miles, meaning within roughly a 15-mile radius you can reliably hear the locator’s identification and use it as a cue on the approach. Beyond that range, the signal becomes unreliable, so it’s not relied upon for navigation.

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