What indication should a pilot receive when a VOR station is undergoing maintenance and may be considered unreliable?

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(Refer to figure 110.) In which general direction from the VORTAC is the aircraft located?

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(Refer to figure 55.) As a guide in making range corrections, how many degrees of relative bearing change should be used for each one half mile deviation from the desired arc?

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(Refer to figure 109.) In which general direction from the VORTAC is the aircraft located?

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(Refer to figure 108.) Where should the bearing pointer be located relative to the wingtip reference to maintain the 16 DME range in a left hand arc with a left crosswind component?

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