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The purpose of this Supplementary Instruction (SI) to the Radiotelephony Manual (CAP 413) is to detail changes to callsign suffixes used in Police, Helicopter Emergency Medical Services (HEMS), and Search And Rescue (SAR) activities as well as the associated procedures detailed within the manual. In addition, this SI also introduces changes to callsigns used in SAR activities.
Status:
Current
Review comment:
-
Version:
1
Version date:
07-Jul-2023
View file:

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