USCG Marine Communications and GMDSS

Question 1

What is the international distress, safety, and calling frequency on VHF radio?

Accepted Answer

Channel 16

Answer

Channel 6

Answer

Channel 22A

Answer

Channel 70

Question 2

What does GMDSS stand for?

Accepted Answer

Global Maritime Distress and Safety System

Answer

General Maritime Defense Safety System

Answer

Global Marine Distress and Safety System

Answer

General Maritime Distress Safety Standards

Question 3

Which EPIRB type is float-free, automatically activated, and transmits on 406 MHz via satellite?

Accepted Answer

Category I 406 MHz EPIRB

Answer

Class A EPIRB

Answer

Class B EPIRB

Answer

Category II 406 MHz EPIRB

Question 4

Which VHF channel is designated exclusively for Digital Selective Calling (DSC) distress alerts?

Accepted Answer

Channel 70

Answer

Channel 6

Answer

Channel 16

Answer

Channel 22A

Question 5

What is the primary purpose of a NAVTEX receiver aboard a vessel?

Accepted Answer

Receiving navigational warnings, weather forecasts, and urgent maritime safety information

Answer

Transmitting vessel position to the Coast Guard

Answer

Communicating with other vessels on VHF

Answer

Automatically activating the vessel's EPIRB

Question 6

Which signal word indicates an urgency message in maritime radio communications?

Accepted Answer

PAN-PAN

Answer

MAYDAY

Answer

SECURITE

Answer

STANDBY

Question 7

How often must GMDSS operators test DSC equipment to ensure its readiness?

Accepted Answer

Daily

Answer

Weekly

Answer

Monthly

Answer

Annually