A、 机场上下过小雪
B、 晴天有积云
C、 阴天有小雨
答案:B
A、 机场上下过小雪
B、 晴天有积云
C、 阴天有小雨
答案:B
A. 航线上对流层顶以下有大片积雨云封锁航路,对飞行有很大威胁
B. 有很厚的雨层云,7000 米以上没有影响飞行的天气
C. 雨层云的厚度在 7000 米以上,很长一段时间在云中飞行
A. 意味着N1或者N2转速超过了红区4秒以上Indicates that N1 or N2 has exceeded redline for more than four seconds.
B. 意味着相对应的发动机熄火,FADEC系统无法成功重新起动对应的发动机,并且油门杆没有在关断位Indicates flameout of respective engine, FADEC was not successful with re−light and thrust lever not at shut−off.
C. 意味着对应的油门杆失效,FADEC将会继续保持最后一次的推力设定直到进近Indicates failure of respective thrust lever. FADEC will maintain last power level setting until approach.
D. 意味着相对应的操作引气活门无法关闭Indicates that respective operability bleed valve has failed closed.
A. 0度 0 degree
B. 20度 20 degrees
C. 30度 30 degrees
D. 45度 45 degrees
A. 国务院和中央军委;
B. 国务院;
C. 民航局
A. 大风区
B. 等高线密集区
C. 等温线密集区
A. 13
B. 48
C. 45
D. 42
A. 发生刹车超温情况。A brake overheat condition exists.
B. 在一个或两个主起落架舱出现超温情况。Overheat condition exists in one or both MLG bays.
C. 前起落架收上并锁定后,前起落架舱门不能关闭。Nose landing gear doors are not closeafter gear is up and locked.
D. 起落架的实际位置与起落架控制手柄的控制位置不一致。Landing gear position does not agree with landing gear control handle position.
A. 发动机发电机操作和/或机轮不承重信号Engine generator operation and/or weight-off-wheels signal
B. 全压/静压探头发出的信号Signals from the pitot/static probes
C. 结冰探测器检测到的结冰条件Icing condition as sensed by the ice detectors
D. 发动机设置超过77%的N1转速Engine setting in excess of 77% N1 rpm.
A. 大风
B. 辐射雾
C. 因降水蒸发而形成的雾