Air Traffic Skills Assessment (ATSA) PracticeTest

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Prepare for the Air Traffic Skills Assessment Test with targeted quizzes and exam simulations. Get familiar with test formats through multiple-choice questions and detailed explanations.

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How are airport taxiway edge lights identified at night?

  1. Red omnidirectional lights

  2. White flashing lights

  3. Blue omnidirectional lights

  4. Green steady lights

The correct answer is: Blue omnidirectional lights

Taxiway edge lights are designed specifically to assist pilots in identifying taxiways during nighttime operations. The correct identification for taxiway edge lights at night is indicated by blue omnidirectional lights. These blue lights are placed along the edges of the taxiways and provide clear visual guidance, marking the limits between the taxiway and any areas that are not intended for aircraft movement. This color is standardized in aviation to distinguish taxiways from runways, which are defined by different light colors. Using blue for taxiway edge lights helps pilots quickly recognize the safe pathways for taxing their aircraft, reducing the likelihood of confusion with other types of lights present in the airport environment. Blue omnidirectional lights ensure that the defining edge of the taxiway is visible from all angles, which is particularly beneficial during takeoff, landing, and taxiing operations at night.

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