Frequencies and who should be on them
This section need completing 31.? - Section Level - Members of that section only. 31 - Troop Level - Command elements only. 40 - Air Assets - Air Assets only. 41 - FAC/Section Liaison - FAC and the nominated radio operator being used to contact the FAC from any given section. 55 - SIGINT - Zeus and The highest command element in the mission, e.g 1-0 or 0-A only.
Callsign's for air assets are usually standardised as follows, for more information visit this thread
Transport helicopters (e.g. Merlin, Chinook, unarmed Wildcat) - Vortex
Light CAS (e.g. armed Wildcat) - Talon
Heavy CAS (e.g. Apache) - Ugly
Fixed Wing - Reaper
These callsign's will usually be followed by a number, and read as “callsign ? - ?”