SVOP Marine Communications and VHF Radio

Question 1

Which VHF channel is the international distress, safety, and calling channel?

Accepted Answer

Channel 16

Answer

VHF Channel 16 is the internationally designated distress, safety, and calling frequency that all vessels must monitor.

Question 2

What is the correct order of a distress call using the phonetic word 'MAYDAY'?

Accepted Answer

MAYDAY three times, vessel name three times, MAYDAY once, position, nature of distress, assistance needed, number of persons aboard

Answer

The proper MAYDAY call format begins with 'MAYDAY' spoken three times, followed by the vessel name three times, then MAYDAY once more, position, nature of distress, assistance needed, and number of persons aboard.

Question 3

What does the urgency signal 'PAN-PAN' indicate?

Accepted Answer

An urgent message concerning the safety of a vessel or person, but not immediately life-threatening

Answer

PAN-PAN signals an urgent message about the safety of a vessel or person that requires assistance but is not an immediate life-threatening situation.

Question 4

What is the primary purpose of a DSC (Digital Selective Calling) controller on a VHF radio?

Accepted Answer

To send an automated digital distress alert with vessel identity and position to rescue authorities

Answer

DSC allows a vessel to transmit an automated digital distress alert containing the vessel's MMSI number and GPS position to Coast Guard and other vessels.

Question 5

What is an MMSI number used for in marine communications?

Accepted Answer

It is a unique nine-digit number that identifies a vessel in DSC and AIS transmissions

Answer

An MMSI (Maritime Mobile Service Identity) is a unique nine-digit number assigned to a vessel for use in DSC and AIS systems to identify the vessel digitally.

SVOP - Small Vessel Operator Proficiency Practice Test

SVOP - Small Vessel Operator Proficiency Practice Test

SVOP Marine Communications and VHF Radio