合计 988 道题1
What terms could a ATC furnishes pilots' braking action reports using
"good", "fair", "poor" and "nil" or a combination of these terms
the percentage of the proximate braking action
only use "good", "fair", "poor" and "nil" with no combination of these terms
(According to figure 4) at Lanzhou, which weather phenomenon that influence fly be described A
Strong wind, bad visibility B
Dust, thunderstorm, C
Low cloud with strong wind A X 3
Which of the following characteristics heat thunderstorm
It moves with the weather system
It covers small area and is isolated with openings C
It strengthens at night and weakens in the day on land B X 4
In a light ,twin-engine airplane with one engine inoperative, when is it acceptable to allow the ball of a sl