Home > Term: flight information region (FIR)
flight information region (FIR)
An airspace of defined dimensions within which flight information service and alerting service are provided.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Military
- Category: General military
- Company: U.S. DOD
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