相关题目
The vertical speed indicator measures （ ） of climb or descent.
A magnetic compass is the （ ） air navigation instrument.
In the AFTN, the flight plan filing time shall consist of a （ ） data-time group.
“（ ）” is a notice containing information concerning the establishment, condition or change in any aeronautical facility service procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight operations.
NOTAMC stands for （ ）.
Air traffic services reporting office is a unit established for the purpose of receiving reports concerning air traffic services and （ ） submitted before departure.
“（ ）” means visibility, cloud and present weather better than prescribed values or conditions.
“（ ）” is the height above the ground or water of the base of the lowest layer of cloud below 6000m covering more than half sky.
“AFP” is a kind of flight plan which means （ ） .
“UTC” means “（ ）”.
