7754 Vol 2 Flyleaf - ICAO Public Maps

IV-CNS 3-1
Table CNS 3 — AERONAUTICAL MOBILE SERVICE (VHF) —
FLIGHT INFORMATION AND AREA CONTROL SERVICE
EXPLANATION OF THE TABLE
Column
1 Name/location of station.
2 Channel(s) for flight information service (FIS).
3 Channel(s) for area control service in the lower airspace (ACC/L).
4 Channel(s) for area control service in the upper airspace (ACC/U).
5 Supplementary information.
Note 1.— In cases where more than one function is combined in one ATS radio control position, the channel concerned is
listed only in that column corresponding to the highest requirements in operational range and height.
Note 2.— The planning criteria to be used for operational coverage of the various services are those shown in the Table
of Uniform Values contained in Attachment B to Part V.II — ATS, unless otherwise specifically indicated.
Note 3.— Numbers shown in parentheses in columns 2, 3 and 4 correspond to the sector number as shown in Chart
CNS 2.
Note 4.— The specific frequencies assigned to the channels are shown in Supplement Table COM 2 of Part IV — CNS.
Note 5.— Whenever the FIS channel does not cover the entire FIR, its area of use is indicated broadly either by E, W, N
or S or by indicating the sector number as used to describe the area of coverage of ACC channels.
Symbols/abbreviations used and their meaning
DEP
ER
HEL
NAT CLR
SAT
For departing aircraft
Extended range VHF
For helicopter operations
NAT clearance delivery
Satellite trials