The Visual Approach Slope Indicator (VASI) provides visual descent guidance during approach to a runway.

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Multiple Choice

The Visual Approach Slope Indicator (VASI) provides visual descent guidance during approach to a runway.

Explanation:
Visual approaches rely on a fixed glide path cue that you can see as you near the runway. The VASI lights give you a color pattern that shows whether you’re on the desired descent angle, too high, or too low. By aligning your approach to that pattern, you maintain a stable glide path and adjust your descent rate accordingly, typically around a 3-degree slope. This is how VASI provides visual descent guidance during the approach, helping you visually navigate the final segment even though it’s not an instrument-based guidance system like ILS.

Visual approaches rely on a fixed glide path cue that you can see as you near the runway. The VASI lights give you a color pattern that shows whether you’re on the desired descent angle, too high, or too low. By aligning your approach to that pattern, you maintain a stable glide path and adjust your descent rate accordingly, typically around a 3-degree slope. This is how VASI provides visual descent guidance during the approach, helping you visually navigate the final segment even though it’s not an instrument-based guidance system like ILS.

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