DWO Maritime Communication 3

Question 1

What VHF channel is designated for bridge-to-bridge communication and navigation safety in US waters?

Accepted Answer

Channel 13

Answer

VHF Channel 13 is designated by the FCC as the primary intership navigation safety channel for bridge-to-bridge communication in US waters.

Question 2

A PAN-PAN medical message should be preceded by which spoken phrase to alert all stations?

Accepted Answer

PAN-PAN PAN-PAN PAN-PAN

Answer

PAN-PAN, spoken three times, is the internationally recognized urgency signal used for medical emergencies that do not yet threaten life.

Question 3

Which radio band does NAVTEX use to broadcast navigational warnings and weather forecasts?

Accepted Answer

MF (518 kHz)

Answer

International NAVTEX broadcasts on 518 kHz in the medium frequency band, and 490 kHz is used for national language broadcasts.

Question 4

Under the FCC rules, a vessel's radio station license must be kept:

Accepted Answer

Posted or available at the operating position

Answer

FCC regulations require the radio station license to be posted or readily available at the radio operating position.

Question 5

What is the purpose of the Automated Mutual Assistance Vessel Rescue (AMVER) system?

Accepted Answer

Global ship position tracking to coordinate SAR response

Answer

AMVER is a US Coast Guard-managed voluntary ship reporting system that tracks vessel positions globally to coordinate search and rescue operations.

(DWO) Deck Watch Officer Practice Test