For an alternate aerodrome, which basis of approach is required?

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Prepare for the GoJet Airlines CRJ-550 Test. Use flashcards, multiple choice questions, and detailed explanations to ace your exam!

Multiple Choice

For an alternate aerodrome, which basis of approach is required?

Explanation:
When planning an alternate, you need an instrument approach that can be flown without relying on GPS. This provides a reliable option even if GPS is unavailable or degraded, giving you a non-GPS basis for the approach at the alternate. Visual approaches are not acceptable as the basis for an alternate because they require good weather and breaking visibility, which isn’t guaranteed in IFR planning. Relying solely on GPS or on RNAV with GPS doesn’t meet the non-GPS requirement, since those depend on the satellite navigation system. So the appropriate basis of approach for an alternate is navigation other than GPS, such as VOR, NDB, or ILS/LOC procedures.

When planning an alternate, you need an instrument approach that can be flown without relying on GPS. This provides a reliable option even if GPS is unavailable or degraded, giving you a non-GPS basis for the approach at the alternate. Visual approaches are not acceptable as the basis for an alternate because they require good weather and breaking visibility, which isn’t guaranteed in IFR planning. Relying solely on GPS or on RNAV with GPS doesn’t meet the non-GPS requirement, since those depend on the satellite navigation system. So the appropriate basis of approach for an alternate is navigation other than GPS, such as VOR, NDB, or ILS/LOC procedures.

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