RYA SRC DSC Operations 2

Question 1

What types of DSC call can be made on a VHF radio?

Accepted Answer

Distress, urgency, safety, routine, and group calls

Answer

Only distress calls

Answer

Only routine calls

Answer

Only calls to coast stations

Question 2

What information is automatically included in a DSC distress alert?

Accepted Answer

The vessel's MMSI, position (from connected GPS), UTC time, and nature of distress (if selected)

Answer

The skipper's name only

Answer

Only the channel number

Answer

The number of crew on board

Question 3

What is a DSC 'individual call' used for?

Accepted Answer

Calling a specific vessel or coast station using their MMSI number, like making a phone call

Answer

Calling all vessels in the area

Answer

Sending a distress alert

Answer

Broadcasting a weather forecast

Question 4

What is the difference between a DSC 'all ships' call and a 'group' call?

Accepted Answer

An 'all ships' call alerts every DSC station within range; a 'group' call alerts only stations with a matching group MMSI

Answer

They are the same

Answer

Group calls have higher priority

Answer

All ships calls are only for distress

Question 5

What nature of distress categories can be selected on most DSC VHF radios?

Accepted Answer

Categories including fire/explosion, flooding, collision, grounding, capsizing, sinking, adrift, undesignated, and abandoning ship

Answer

Only 'sinking'

Answer

Only 'man overboard'

Answer

No categories are available

Question 6

If your GPS is not connected to the DSC radio, what should you do before sending a distress alert?

Accepted Answer

Manually enter your position and the current UTC time into the DSC radio before transmitting

Answer

Send the alert without position data

Answer

Wait until the GPS is fixed

Answer

Use a different radio