Air traffic control lost radio contact with the pilot of the aircraft ten minutes before the accident.
事故发生前十分钟空中交通管制失去了和飞机驾驶员的无线电联系。
Two days after the accident the federal aviation administration ordered small fixed-wing planes not to fly over the east river unless the pilot is in contact with air traffic controllers.
飞机失事两天后，联邦飞航管理中心下令小型固定机翼的飞机不可以飞越东河，除非飞行员先行与航空控制员联络。
Two days after the accident the federal aviation administration ordered small fixed-wing planes not to fly over the east river unless the pilot is in contact with air traffic controllers.
飞机失事两天后，联邦飞航管理中心下令小型固定机翼的飞机不可以飞越东河，除非飞行员先行与航空控制员联络。
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