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What Is a SPECI and When Is It Issued?

Pilot Institute

Runway visual range (RVR) under 2,400 feet triggers a SPECI, and another is issued if it rises to 2,400 feet or more within 10 minutes. Well, these events can quickly affect visibility or runway conditions so much that they call for a special report. Runway visual range (RVR). Let’s look at each weather condition. Visibility.