While being radar vectored, an approach clearance is received. The last assigned altitude should be maintained until

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(Refer to figure 125.) If your aircraft was cleared for the ILS RWY 17R at Lincoln Municipal and crossed the Lincoln VOR at 5,000 feet MSL, at what point in the teardrop could a descent to 3,000 feet commence?

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What obstacle clearance and navigation signal coverage is a pilot assured with the Minimum Sector Altitudes depicted on the IAP charts?

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(Refer to figure 125.) If cleared for an S-LOC 17R approach at Lincoln Municipal from over TOUHY, it means the flight should

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(Refer to figure 128.) At which points may you initiate a descent to the next lower minimum altitude when cleared for the VOR RWY 36 approach, from the PUC R 095 IAF (DME operative)?

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