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Multiple Choice

When a Signal Delta is issued commenced aircraft above ____ feet shall level off at the next lower odd altitude and hold on the inbound bearing at a range in nm equal to holding altitude in thousands of feet plus base distance (angels + 15).

In a Signal Delta, you descend to the next lower altitude that has an odd number of thousands and then hold on the inbound course at a range in nautical miles equal to that altitude in thousands plus 15. The blank is seven thousand feet because, for any altitude above seven thousand, the next lower odd-altitude is seven thousand. Once holding at seven thousand, the inbound-range calculation is 7 (thousands of feet) plus 15, which equals 22 NM. So the aircraft would hold on the inbound leg at 22 NM from the fix. The other options would imply different next-lower odd altitudes and thus different hold distances, which is why seven thousand is the correct choice.

In a Signal Delta, you descend to the next lower altitude that has an odd number of thousands and then hold on the inbound course at a range in nautical miles equal to that altitude in thousands plus 15. The blank is seven thousand feet because, for any altitude above seven thousand, the next lower odd-altitude is seven thousand. Once holding at seven thousand, the inbound-range calculation is 7 (thousands of feet) plus 15, which equals 22 NM. So the aircraft would hold on the inbound leg at 22 NM from the fix. The other options would imply different next-lower odd altitudes and thus different hold distances, which is why seven thousand is the correct choice.