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airspace class G
avia.
G 类空域
;
G类空域
(在该空域内允许仪表飞行规则 (IFR)和目视规则 (VFR )飞行同时存在,并接收要求的飞行信息服务,该空域非管制空域,并且不需要该空域中的飞行许可)
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