MAIN BATT OFF警戒信息 (琥珀色)含义是？

不建议在飞行过程中复位跳开的跳开关。但如机长判断保持跳开关跳开会严重影响安全，经短时冷却约（ ）分钟可复位一次 It is not recommended to reset the pop-up circuit breaker in flight. But if the captain determines that keeping the circuit breaker in pop-up status may seriously affect safety, he/she may reset it once after a short-term cooling about ( ) minutes.

在没有公布仪表进离场程序或扇区最低安全高度的机场，在机场范围内，距离障碍物的最高点的高度，平原地区不得小于（ ）米，高原、山区不得小于（ ）米。At the airport without published instrument arrival/departure procedures or sector minimum safe altitude, the height between the aircraft and the highest point of the obstacle within airport area, shall not be less than ( ) meters in a plain terrain or less than ( ) meters in a plateau or mountainous terrain.

使用中国民航高低空图进行航路飞行时，航路最低安全高度是如何规定的（分别阐述沿航路或航路中心线两侧25km以内飞行、偏离航路中心线25km以外飞行）？When performing a flight by using China Civil, Aviation’s high and low altitude charts, how is the minimum safe altitude specified? (From the perspective of the flight along the route or within 25 km on both sides of the route center line or that deviating by 25 km from the route center line)

正常情况下，禁止机组成员在FMS上调谐频率；禁止观察员更改通信频率。Under normal circumstances, crew members are forbidden to tune the frequency on the FMS; the observer is forbidden to change the communication frequency.

飞行机组在首次联系ATC时通常应报告（ ）。The flight crew should report ( ) when contacting the ATC for the first time.

在进入机场区域内飞行时，应该依照进离场程序飞行，并不得低于仪表进近图中规定的最低IFR高度，在应急状态下，不得低于所处位置的( )。When flying within the airport area, it is necessary to fly as per the arrival/departure procedures and not lower than the minimum IFR altitude prescribed in the instrument approach chart, and in emergency, not lower than ( ) at its location;

飞机由停机位推出前或发动机关车后，驾驶舱应与地面人员建立有效的通信联系。与地面人员的通信通常由( )完成。Before the aircraft is pushed back or after the engines are shut down, the cockpit shall establish effective communication with the ground crew. The communication with ground personnel shall be completed by the ( ).

飞行中，通信频率的转换应由( )完成，除飞机刚离地，由塔台频率转换为预先设定的进近频率外，任何频率的转换必须得到( )的确认。 In flight, the change of communication frequency shall be completed by ( ). Any change of frequency must be confirmed by ( ) except when the aircraft just lifts off the ground and tower frequency is switched to a preset
approach frequency.

CRJ900 机型最低油量为 ( )KG。What＇s the minimum fuel quantity of CRJ900 type of aircraft?

“最低油量”与“燃油紧急状况”的区别？What＇s the difference between minimum fuel quantity and fuel emergency condition?