What is the approximate angular coverage of reliable navigation information for a 3° ILS glide path out to a minimum distance of 10 NM?

Question

Question ATPL - Airline Transport Pilot license - Radio Navigation

QuizVDS · Accepted Answer

0.7° above and below the glide path and 2.5° each side of the localiser centreline

QuizVDS · Answer

0.45° above the horizontal to 1.75° above the glide path and 8° each side of the localiser centreline

QuizVDS · Answer

1.35° above the horizontal to 5.25° above the horizontal and 8° each side of the localiser centreline

QuizVDS · Answer

3° above and below the glide path and 10° each side of the localiser centreline

Id 37 - ATPL - What is the approximate angular coverage of reliable navigation information for a 3° ILS glide path out to a minimum distance of 10 NM?