For any given circumstances, in order to double the effective range of a primary radar the power output must be increased by a factor of:4
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The azimuth transmitter of a Microwave Landing System (MLS) provides a fan-shaped horizontal approach zone which is usually:4
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What are the modulation frequencies of the two overlapping lobes that are used on an ILS approach?4
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The rate of descent required to maintain a 3.25° glide slope at a groundspeed of 140 KT is approximately:4
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What is the colour sequence when passing over an Outer, Middle and Inner Marker beacon?4
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In which frequency band does an ILS glide slope transmit?4
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What is the approximate angular coverage of reliable navigation information for a 3° ILS glide path out to a minimum distance of 10 NM?4
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The OBS is set on 048°, TO appears in the window. The needle is close to full right deflection. The VOR radial is approximately:4
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The Captain of an aircraft flying at FL100 wishes to obtain weather information at the destination airfield (0') from the airfield's VOR. Assuming ISA conditions, what is the approximate maximum theoretical range at which it can be expected to obtain this information?4
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The frequency range of a VOR receiver is:4
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