noun
instrument flying
Aviation term for flying solely by reference to instruments, without external visual cues.
パイロットは盲目飛行の訓練を受ける。
Pilots undergo training in instrument flying.
Visual flight rules (VFR) flying, the opposite of instrument flying.
Compound of 盲目 (もうもく, 'blindness') and 飛行 (ひこう, 'flight'), literally 'blind flight'.