What minimum flight visibility is required for VFR flight operations on an airway below 10,000 feet MSL?
A
1 mile.
B
3 miles.✓ Correct Answer
C
4 miles.
Explanation
Federal airways are Class E airspace, and 14 CFR 91.155(a) requires 3 statute miles of flight visibility in Class E below 10,000 feet MSL. 1 mile applies to Class G at low altitude by day, and 4 miles is not a VFR minimum.
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