Radio Navigationeasy#1194
Back-beam approaches use the ILS localizer signal from:
A
The normal front course
B
The middle marker
C
The glideslope transmitter
D
The rear of the localizer, providing guidance in the opposite direction to the runway
CorrectExplanation
A back-beam approach uses the localizer signal radiated behind the antenna array, providing lateral guidance for the reciprocal runway direction, but with reversed CDI sensing.
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