The Ronald Reagan Washington National Airport Flight Restrictions Area is designated as that airspace extending upward from the surface to and including 1,500 feet MSL over the Potomac River near Ronald Reagan Washington National Airport, Arlington, VA beginning at 38°53′04″ N, 77°03′19″ W; to 38°52′48″ N, 77°02′48″ W; to 38°52′44″ N, 77°01′55″ W; to 38°52′34″ N, 77°01′42″ W; to 38°52′23″ N, 77°01′33″ W; to 38°51′54″ N, 77°01′24″ W; to 38°50′43″ N, 77°01′16″ W; to 38°50′07″ N, 77°01′27″ W; to 38°49′14″ N, 77°01′36″ W; to 38°48′37″ N, 77°01′36″ W; to 38°47′37″ N, 77°01′23″ W; to 38°47′37″ N, 77°02′48″ W; to 38°50′17″ N, 77°02′42″ W; to 38°50′30″ N, 77°02′44″ W; to 38°50′49″ N, 77°02′34″ W; to 38°50′59″ N, 77°02′33″ W; to 38°51′07″ N, 77°02′51″ W; to 38°52′07″ N, 77°03′02″ W; to 38°52′35″ N, 77°03′07″ W; to the point of beginning.