Night VFR and command instrument ratings (CIR) require you to prove your ability to navigate by instruments only.

夜间目测及信号导航等级则要求仅用仪表装置来证明你导航的能力。

youdao

Night VFR and command instrument ratings (CIR) require you to prove your ability to navigate by instruments only.

夜间目测及信号导航等级则要求仅用仪表装置来证明你导航的能力。

youdao