______ VMC, pilots should fly by referring to outside visual references.
A. In
B. Under
C. At
D. On
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In IMC conditions, pilots should fly by referring to _____.
A. visual references
B. sensations
C. instruments
D. landmarks
Specialized glasses can help pilots to _______ outside vision, forcing them to rely on instruments indications only.
A. broaden
B. maintain
C. protect
D. restrict
In VMC conditions, pilots should fly by referring to _____.
A. outside references
B. sensations
C. instruments
D. landmarks
The weather conditions required for flight under VFR are known as ______.
A. IMC
B. VMC
C. IFR
D. VRF