USCG Marine Communications and GMDSS 3

Question 1

What is the correct sequence for initiating a voice MAYDAY distress call?

Accepted Answer

MAYDAY three times, vessel name three times, MAYDAY once, position, nature of distress, persons aboard, other relevant information

Answer

MAYDAY once, vessel name, position, nature of distress, persons aboard

Answer

MAYDAY twice, vessel name, position, type of assistance required

Answer

MAYDAY once, all vessel information, then wait for acknowledgment

Question 2

Which signal word announces a safety message regarding navigational hazards or important meteorological warnings?

Accepted Answer

SECURITE

Answer

MAYDAY

Answer

PAN-PAN

Answer

DANGER

Question 3

How many digits make up a vessel's MMSI (Maritime Mobile Service Identity) number?

Accepted Answer

9 digits

Answer

6 digits

Answer

7 digits

Answer

12 digits

Question 4

Under USCG and SOLAS regulations, how often must an EPIRB battery be replaced and its hydrostatic release be serviced?

Accepted Answer

Every 2 years

Answer

Every year

Answer

Every 5 years

Answer

Every 10 years

Question 5

What communication systems are required for GMDSS vessels operating in Sea Area A3, beyond MF range but within INMARSAT satellite coverage?

Accepted Answer

MF/HF radio or INMARSAT satellite communications

Answer

VHF radio only

Answer

VHF and MF radio only

Answer

NAVTEX and EPIRB only

Question 6

What information must be programmed into a vessel's DSC controller before it can function properly?

Accepted Answer

The vessel's MMSI number, and ideally a GPS connection for automatic position updates

Answer

The vessel's flag state and home port

Answer

The captain's name and license number

Answer

The vessel's gross tonnage and passenger capacity

Question 7

Under FCC and SOLAS regulations, which vessels are required to carry GMDSS equipment?

Accepted Answer

Ships on international voyages and certain compulsory domestic routes meeting SOLAS thresholds

Answer

All recreational vessels over 16 feet in length

Answer

All vessels carrying more than 6 passengers for hire

Answer

Only naval vessels and Coast Guard cutters