Correct Answer : Below 6.4km/hr
Explanation : The wind intensity should remain below 6.4km/hr during a calm period and it is the same for all wind direction. It is equal to 100 minus the total wind coverage.
Correct Answer : Option (B) : 36
Correct Answer : Option (A) : 60 %
Correct Answer : Option (D) : Lateral spacing between two runways, weather conditions and navigational aids available