Filter
Top Products
The airport communication page displays the radio frequencies and usage for
the selected airport, as well as sector and altitude restrictions.
To view the communication page from any of the airport information pages:
1. Rotate
O
with the flashing cursor removed to display the communication page.
2. Rotate
K
in the direction of the arrow prompt to view additional frequencies.
The following descriptions and abbreviations are used on the communication page:
Frequencies without restriction information:
• ats - Automatic terminal information service (ATIS)
• ptx - Pre-taxi
• clr - Clearance delivery
• gnd - Ground
• twr - Tower
• uni - Unicom
• mul - Multicom
• atf - Aerodrome traffic frequency
• ctf - Common traffic advisory frequency (CTAF)
• mf - Mandatory frequency
• oth - Other frequencies
Frequencies with restriction information:
• dep - Departure • apr - Approach
• arv - Arrival • class B
• cta - ICAO control area • tma - ICAO terminal control area
• class C • trsa - Terminal radar service area
‘Receive only’ frequencies will display an ‘rx’ indicator, while ‘transmit only’
frequencies will display a ‘tx’. If a frequency has sector and/or altitude restrictions,
they will also be displayed. Sector restrictions define a range of radials from the
facility, while altitude restrictions may describe an area above, below or between
altitudes. Additional frequency usage instructions, if available, will be displayed on
the bottom line.
30
WAYPOINTS & DATABASE
Airport Communication Page
Approach frequency with restrictions.
Airport Communication Page.
165 manual 7/13/98 3:59 PM Page 30