对于特定的形态,失速AOA 通常是固定的。然而,对于后掠翼涡轮喷气飞机,由于马赫效应失速角通常随着高度的增加而( )。The stall AOA is normally constant for a given configuration. However, for swept wing turbojet aircrafts the stall angle generally ( ) as altitude increases due to the Mach effect.
A. 增加 increase
B. 减小 reduces
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(案例分析)2020年5月16日,某航A320执行航班,预计18号跑道起飞。16:17进跑道,触发前视风切变警戒“MONITOR RADAR DISPLAY”,机组原地等待,待风切变警戒消失后,机组向塔台证实风速风向,使用TOGA推力起飞。16:19起飞滑跑空速约85节时,触发“WINDSHEAR AHEAD”警告,机组继续滑跑起飞。离地后63英尺、827英尺时,两次触发风切变警戒“MONITOR RADAR DISPLAY”。后续于18:19在南昌机场落地。请分析此案例中机组处置是否有问题?如果有,你觉得存在哪些问题?( case analysis) On May 16, 2020, an A320 aircraft performs flight, estimated RWY 18 for takeoff. when aircraft entered RWY at 16:17, triggering MONITOR RADAR DISPLAY” and crew holding on site, after windshear alerting dispeared, crew confirmed wind speed and wind direction from Tower and applying TOGA for takeoff. at 16:19, takeoff roll speed reached 85 knots, triggering “WINDSHEAR AHEAD” warning, and crew continued to take off roll. “MONITOR RADAR DISPLAY” wind shear alerting was traggered twice at AGL 63 feet, and AGL 827 feet, later aircraft landed at Nanchang airport at 18:19. Do you think the crew disposal is wrong? If yes, what are the problems?
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接受转场飞行航空器降落的机场,必须在航空器到达机场__以前,做好保障降落的各项准备工作。
A. 30 分钟
B. 45 分钟
C. 1 小时
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80Kts以后V1前出现以下哪种情况要中断起飞?Which condition(s) come(s) out, the takeoff shall be rejected after 80kts and before V1?
A. 舱门不安全信息
Door unsafe message
B. 火警、发动机故障、fadec信息
Fire, engine fault, FADEC message
C. 声音异常
Abnormal sound
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在场高1000-500ft下降率超过多少ft/min时触发下降率大橙色事件?
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航空器使用航路和航线,应当经__同意。
A. 负责该航路和航线的飞行管制部门
B. 空中交通管理局下属的区域管制部门
C. 中国人民解放军空军
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单发操作过程中,当油门杆在什么位置时,自动性能储备(APR)系统被激活:During single engine operation, the automatic performance reserve(APR)system is activated when the thrust lever for the:
A. 工作发动机一侧油门杆放到爬升卡位 operating engine is placed in the CLIMB detent
B. 不工作的发动机一侧油门杆放到TOGA卡位 shut down engine is placed in the TOGA detent
C. 工作发动机一侧油门杆放到TOGA卡位 operating engine is placed in the TOGA detent
D. 不工作的发动机一侧油门杆放到最大推力卡位 shut down engine is placed in the MAX POWER detent
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哪个DC BUS不是总显示在DC简图页上?Which DC BUS is not always displayed on the DC synoptic page?
A. APU BATT DIR BUS
B. MAIN BATT DIR BUS
C. DC ESS BUS
D. DC EMER BUS
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《中华人民共和国民用航空器适航管理条例》由__发布
A. 全国人大常委会;
B. 民航局;
C. 国务院
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积状云包括__
A. 淡积云、浓积云、积雨云、碎积云
B. 浓积云、碎积云、卷积云、层积云
C. 积雨云、层积云、高积云、淡积云
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