Safety
GA groups: No reason for D.C. ADIZ incursions
Two violations of the Washington, D.C., air defense identification zone (ADIZ) within a week last month prompted two general aviation organizations to remi

Two violations of the Washington, D.C., air defense identification zone (ADIZ) within a week last month prompted two general aviation organizations to remind pilots to refamiliarize themselves with the restricted airspace.

On March 5 the pilot of a King Air allegedly canceled IFR at 14,500 feet. He might have thought he was above Class B airspace and clear of restricted airspace, but the ADIZ extends up to 18,000 feet.