Fig. 1. Maps illustrating the extent of (left) restricted area R-2204 and (right) warning area W-220 in Alaska. (left) The circle centered on Oliktok Point spans 4 nautical miles (nmi); the airspace is split into two sections: low (up to 1500 feet above sea level and high (from 1500 to 7000 feet above sea level). (right) Twenty nautical miles on either side of 149.86°W, bounded to the south by 70.78°N and to the north by 82°N. The warning area is divided into 16 sections of various lengths, including a low portion between 0 and 2000 feet above sea level and a high portion between 2000 and 10,000 feet above sea level.