题目内容

Specialized glasses can help pilots to _______ outside vision, forcing them to rely on instruments indications only.

A. broaden
B. maintain
C. protect
D. restrict

查看答案

搜索结果不匹配？点我反馈

更多问题

In VMC conditions, pilots should fly by referring to _____.

A. outside references
B. sensations
C. instruments
D. landmarks

The weather conditions required for flight under VFR are known as ______.

A. IMC
B. VMC
C. IFR
D. VRF

The weather conditions required for flight under IFR are known as ______.

A. IMC
B. VMC
C. IFR
D. VRF

The most important concept of IFR flying is _____.

A. distance
B. altitude
C. separation
D. visibility