OBS Communication & Documentation 3

Question 1

What is the correct VHF radio procedure when you finish speaking and expect a reply?

Accepted Answer

Say 'Over'

Answer

'Over' means you have finished transmitting and are awaiting a reply from the other station.

Question 2

Under the Navigation Rules, what sound signal should a power-driven vessel underway in restricted visibility give?

Accepted Answer

One prolonged blast every 2 minutes

Answer

A power-driven vessel underway in restricted visibility must sound one prolonged blast at intervals of not more than 2 minutes.

Question 3

Which document must be carried aboard a documented vessel at all times?

Accepted Answer

The Certificate of Documentation

Answer

Federally documented vessels must carry the Certificate of Documentation aboard at all times as proof of registration and nationality.

Question 4

What does 'Pan-Pan' (pronounced pahn-pahn) signify in marine radio communication?

Accepted Answer

An urgent safety message about a person overboard

Answer

Pan-Pan is an urgency signal indicating a very urgent message concerning the safety of a ship or person, but not as immediately life-threatening as MAYDAY.

Question 5

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

Accepted Answer

To automatically send a distress signal with GPS position to rescuers

Answer

DSC allows a boater to send an automated digital distress alert containing the vessel's MMSI number and, if connected to GPS, its exact position.

(OBS) Online Boating Safety Certification Practice Test

(OBS) Online Boating Safety Certification Practice Test

OBS Communication & Documentation 3