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Flashcards in Radio Communications Deck (7)
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1
Q

What is the universal VHF emergency frequency?

A

121.5 - this frequency is guarded by military towers, most civil towers, FSS’s and radar facilities.

2
Q

What frequencies are used for ground control?

A

121.6 - 121.9

3
Q

What is a CTAF?

A

Common Traffic Advisory Frequency. A Frequency designated for the purpose of carrying out airport advisory practices while operating to or from an airport without an operating control tower.

4
Q

What is UNICOM and what frequencies are designated for its use?

A

UNICOM is a non-governmental communication facility which may provide airport info at certain airports. Airports other than those with a control tower/FSS will normally use 122.700, 122.725, 122.975, 123.000, 123.050 and 123.075.

Airports with a control tower or an FSS on airport will normally use 122.950.

5
Q

What does ATIS mean?

A

Automatic Terminal Information Service is the continuous broadcast of recorded noncontrol info in selected high activity terminal areas. Designed to relieve frequency congestion and provide essential info.

6
Q

If operating into an airport w/o an operating control tower, FSS, UNICOM, what procedure should be followed?

A

The MULTICOM frequency should be used on 122.9 for self-announce procedures. This is used to provide communications essential to conduct the activities being performed by or directed from private aircraft.

7
Q

How can a pilot determine what frequency is appropriate for activating a VFR flight plan once airborne?

A

a) Ask the FSS briefer during the preflight wx breifing.

b) Consult the communications section under flight service for the airport of departure in the Chart Supplement US.