What is the key benefit to WAAS when used for an approach?

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Prepare for the Instrument Flying Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Ensure readiness for your test!

Multiple Choice

What is the key benefit to WAAS when used for an approach?

Explanation:
WAAS’s main benefit on an approach is providing an electronic glidepath—a defined vertical descent path that you can follow with GPS. By improving accuracy, integrity, and availability, WAAS allows GPS-based approaches to offer vertical guidance (LPV/VNAV). This lets you fly a precise, stabilized descent down to the runway with relatively low minimums, similar to an ILS. It’s not about being faster or cheaper; it’s about giving you a reliable vertical path to the runway.

WAAS’s main benefit on an approach is providing an electronic glidepath—a defined vertical descent path that you can follow with GPS. By improving accuracy, integrity, and availability, WAAS allows GPS-based approaches to offer vertical guidance (LPV/VNAV). This lets you fly a precise, stabilized descent down to the runway with relatively low minimums, similar to an ILS. It’s not about being faster or cheaper; it’s about giving you a reliable vertical path to the runway.

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