Comms Flashcards

1
Q

How long does the CG have authorized for a NAVTEX message?

A

20min

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2
Q

What is the frequency for VHF Channel 13?

A

156.65 MHz

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3
Q

What is the frequency for VHF Channel 16?

A

156.8 MHz

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4
Q

What is the frequency for VHF Channel 22A?

A

157.1 MHz

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5
Q

CG aircraft shall establish radio guard within how many minutes after takeoff?

A

5min

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6
Q

What are the last 6 digits of the MMSI#?

A

Ship Station Identifier

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7
Q

What are the first 3 digits of the MMSI #?

A

Country Code

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8
Q

Urgent messages and other warnings transmitted on 2182 KHz or CH 16 shall NOT exceed ____.

A

1 minute

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9
Q

A unit in distress or a controlling unit can impose radio silence on interfering stations by transmitting the command “___”.

A

SEELONCE MAYDAY

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10
Q

An area with radio-telephone coverage of at least one VHF-FM coast station, in which continuous DSC alerting is available as defined by the International Maritime Organization IMO for GMDSS, is known as ____.

A

Sea Area A1

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11
Q

What is the primary means of communications during a MHS mission?

A

VHF marine radio

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12
Q

What is the responsibility of the Communications Unit Controller?

A

Conduct information and advisory broadcasts as required

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