ETO Navigation Electronics & GMDSS

Question 1

What does GMDSS stand for?

Accepted Answer

Global Maritime Distress and Safety System

Answer

General Maritime Digital Safety System

Answer

Global Marine Data Safety System

Answer

General Marine Distress Signal System

Question 2

Which GMDSS device automatically transmits a distress signal with vessel position when a ship sinks?

Accepted Answer

EPIRB (Emergency Position Indicating Radio Beacon)

Answer

NAVTEX receiver

Answer

SART (Search and Rescue Transponder)

Answer

VHF DSC controller

Question 3

On which VHF channel are DSC distress alerts transmitted?

Accepted Answer

Channel 70 (156.525 MHz)

Answer

Channel 16 (156.800 MHz)

Answer

Channel 13 (156.650 MHz)

Answer

Channel 22A (157.100 MHz)

Question 4

How frequently must a ship's GMDSS radio equipment be operationally tested under SOLAS regulations?

Accepted Answer

Daily

Answer

Annually

Answer

Monthly

Answer

Weekly

Question 5

What is the primary purpose of a NAVTEX receiver aboard a vessel?

Accepted Answer

To automatically receive and print maritime safety information broadcasts

Answer

To receive satellite weather imagery

Answer

To transmit distress alerts to coast guard stations

Answer

To communicate digitally with port authorities

Question 6

Which satellite system using Low Earth Orbit (LEO) satellites forms the backbone of the GMDSS distress alerting network?

Accepted Answer

COSPAS-SARSAT

Answer

INMARSAT

Answer

GPS (NAVSTAR)

Answer

VSAT

Question 7

At what maximum range can a SART (Search and Rescue Transponder) typically be detected on a ship's 3 cm X-band radar?

Accepted Answer

Up to 10 nautical miles

Answer

Up to 5 nautical miles

Answer

Up to 30 nautical miles

Answer

Up to 50 nautical miles