Airspace & Restrictions

An alert area shown on a chart (e.g., A-211) indicates:

Answer

A high volume of pilot training or unusual aerial activity

Alert areas inform pilots of areas with a high volume of pilot training or unusual aerial activity; all pilots share responsibility for collision avoidance.

Source: AIM 3-4-6

Not the answer

  • A wildlife refuge boundary
  • A restricted area that is always active
  • Airspace where flight is prohibited

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