英语 ⇄ 法语 英语 +

non-ATS operating irregularity
航空, 加拿大	irrégularité d’exploitation non ATS; IE non ATS
英语 词库
non-ATS operating irregularity
航空, 加拿大	A situation that occurs when ATS are being provided and when a preliminary investigation indicates that a hazardous situation or loss of separation may have occurred and that ATS have not contributed to the situation