2009 Instrument Written Exam (FAA Knowledge Test)107. PLT298When can a VFR on Top clearance be assigned by ATC? A) Only upon request of the pilot when conditions are indicated to be suitable. B) Any time suitable conditions exist and ATC wishes to expedite traffic flow. C) When VFR conditions exist, but there is a layer of clouds below the MEA. 何時 "VFR on Top" ClearanceがATCより出す事が有るか?
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