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IV-CNS 2-1
Table CNS 2 — Tableau CNS 2 — Tabla CNS 2
AERONAUTICAL MOBILE SERVICE
SERVICE MOBILE AÉRONAUTIQUE
SERVICIO MÓVIL AERONÁUTICO
EXPLANATION OF THE TABLE
Column
1 Name of station, preceded by its location indicator. Functions for which frequencies are required, using the
abbreviations and identifiers as listed in the “Explanation of functions and symbols” below.
The annotation “ER” appears where extended range coverage is required on one or more frequencies. The
direction of preferential coverage is indicated (e.g. N, NE, E, etc.).
2 Required number of channels for the function(s) shown in Column 1.
3 HF radiotelephony network designators. An “R” following a designator indicates RDARA family frequencies.
Explanation of functions and symbols
ACC-L Area control service for flights up to FL 250
ACC-U Area control service for flights up to FL 450
APP-L Approach control service for flights below FL 100
APP-I Approach control service for flights up to FL 150
APP-H Approach control service for flights up to FL 250
APP-U Approach control service for flights up to FL 450
FIS-L Flight information service for flights up to FL 250
FIS-U Flight information service for flights up to FL 450
GP
VHF en-route general purpose system
ATIS
Automatic terminal information service
AFIS
Aerodrome flight information service
PAR
Precision approach radar service
SMC
Surface movement control service
TWR
Aerodrome control service
VOLMET VOLMET broadcasts
MWARA Major world air routes area
RDARA Regional and domestic air routes area
RCAG
Remote control air-ground