If all VASI lights appear white, what does it indicate?

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Prepare for the Airport and Ground Operations Test with flashcards and multiple choice questions. Each question includes hints and explanations to help you succeed on your exam.

Multiple Choice

If all VASI lights appear white, what does it indicate?

Explanation:
VASI uses color to show where you are relative to the glidepath. White lights indicate you’re above the glidepath, while red lights indicate you’re below it. If every light you see is white, you’re higher than the intended descent path, so you should descend to re-intercept the glidepath and continue the approach. Being below would show red, and being on the glidepath would show the pattern that indicates alignment on slope.

VASI uses color to show where you are relative to the glidepath. White lights indicate you’re above the glidepath, while red lights indicate you’re below it. If every light you see is white, you’re higher than the intended descent path, so you should descend to re-intercept the glidepath and continue the approach. Being below would show red, and being on the glidepath would show the pattern that indicates alignment on slope.

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