Maritime Communication

What was the reason for the International Maritime Organization to introduce the GMDSS system?

• To make ships larger and cruises smaller

• To employ professional radio officers

• To monitor radio communications

• To ensure distress calls from ships in need of help are not missed

Which vessels are legally required to carry specific equipment according to the GMDSS system?

• All vessels over 300 gross tons

• All vessels carrying more than 13 passengers

• All vessels over 300 gross tons or carrying more than 13 passengers

• All vessels operating in area three

How many areas does the GMDSS system divide the sea into?

• Two

• Three

• Four

• Five

Which area is covered by the Inmarsat satellite communication system?

• All areas

• Polar areas

• Equatorial area

• From latitudes of S 82° to N 82° regardless of longitude

What is the purpose of EPIRBs?

• To provide weather forecasts and navigational warnings

• To help rescuers locate vessels in distress

• To monitor radio communications

• To send distress signals to the Coast Guard

What is the frequency on which EPIRBs transmit their signals?

• 406 megahertz

• 125 meters

• 30 miles

• 5 miles

How are search and rescue transponders (SARTs) activated?

• By radar waves

• By satellite signals

• By distress calls

• By GPS receivers

What is the range of search and rescue transponders (SARTs)?

• Approximately 30 miles for aircraft and 5 miles for ship

• Approximately 5 miles for aircraft and 30 miles for ship

• Approximately 30 miles for both aircraft and ship

• Approximately 5 miles for both aircraft and ship

What is the purpose of NAVTEX in the GMDSS system?

• To provide weather forecasts and navigational warnings

• To help rescuers locate vessels in distress

• To monitor radio communications

• To send distress signals to the Coast Guard