英语 ⇄ 法语 英语 +

flight plan unique identifier
航空, 加拿大	indicatif unique du plan de vol (This abbreviation is pronounced "fe-POO-i")
英语 词库
flight plan unique identifier
航空, 加拿大	An electronically generated numeric or alpha-numeric code that can be used as an ATS system confirmation of message delivery and receipt. It can also be used as a message reference number. For example, when acknowledged by the pilot-in-command PIC, it confirms that an IFR clearance issued to an aircraft via data link under the pre-departure clearance PDC program has been correctly received.