Guard lights are commonly called wig wags. What color are the two alternating lights?

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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

Guard lights are commonly called wig wags. What color are the two alternating lights?

Explanation:
Wig-wag lights use two beacons that flash in an alternating pattern to grab attention and signal a caution on the airfield. The color is amber because amber is the standard warning/caution color in airport lighting, making these guard lights easily recognizable. Red is used for stop/runway signals in other systems, and blue is reserved for taxiway lighting, so amber wig-wag lights are the correct description.

Wig-wag lights use two beacons that flash in an alternating pattern to grab attention and signal a caution on the airfield. The color is amber because amber is the standard warning/caution color in airport lighting, making these guard lights easily recognizable. Red is used for stop/runway signals in other systems, and blue is reserved for taxiway lighting, so amber wig-wag lights are the correct description.

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