What is the call sign to be used at first radio contact?
Refer to figure.
ICAO Annex 10 Volume II - Aeronautical Telecommunications
5.2.1.7.3.2 Establishment of radiotelephony communications
5.2.1.7.3.2.1 Full radiotelephony call signs shall always be used when establishing communication. The calling procedure of an aircraft establishing communication shall be in accordance with Table 5-2.
At first radio contact, all characters of the aircraft call sign should be used to avoid confusion and misunderstandings.
Your Notes (not visible to others)
This question has appeared on the real examination, you can find the related countries below.
-
Austro Control