ETO Navigation Electronics & GMDSS

Question 1

What does GMDSS stand for?

Accepted Answer

Global Maritime Distress and Safety System

Answer

GMDSS stands for Global Maritime Distress and Safety System, the internationally mandated communication framework for maritime distress alerting and safety at sea.

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

An EPIRB is designed to float free when a ship founders and automatically transmit a distress signal with GPS position data via the COSPAS-SARSAT satellite system.

Question 3

On which VHF channel are DSC distress alerts transmitted?

Accepted Answer

Channel 70 (156.525 MHz)

Answer

VHF Channel 70 (156.525 MHz) is internationally reserved exclusively for Digital Selective Calling distress, urgency, and safety alerts.

Question 4

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

Accepted Answer

Daily

Answer

SOLAS requires daily testing of GMDSS radio equipment including DSC controllers, EPIRBs, and SARTs to ensure operational readiness for distress situations.

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

NAVTEX automatically receives and prints maritime safety information including weather forecasts, navigational warnings, and SAR notices broadcast on 518 kHz.

ETO - Electro-Technical Officer Practice Test

ETO - Electro-Technical Officer Practice Test

ETO Navigation Electronics & GMDSS