Certified Flight Instructor (CFI) Practice Exam

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Prepare for the Certified Flight Instructor Exam. Study with comprehensive questions and clear explanations. Get ready to elevate your knowledge and skills needed to pass the CFI exam!

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In METAR code, what does "FG" stand for?

Fog
Haze
Dust
Ice Crystals

The correct answer is: Fog

In METAR code, "FG" stands for fog. This abbreviation is used within aviation weather reports to indicate the presence of fog, which is defined as a cloud of tiny water droplets suspended in the air near the Earth's surface, reducing visibility to less than 1 kilometer (or 0.62 miles). The significance of recognizing this code is crucial for pilots, as fog can create significant challenges to visibility and safe navigation during flight operations. The identification of "FG" in METAR directly alerts pilots to potential visibility issues, allowing them to take appropriate precautions. Each of the other options represents different weather phenomena, but they are denoted by different specific codes. Understanding these distinctions ensures that pilots and aviation professionals can accurately interpret METAR reports and make informed decisions regarding flight safety and operational planning.