Nine (9) Functional GMDSS Requirements

Question 1

EPIRB

Answer 1

When activated, provides a signal to orbiting satellites (COSPAS/SARSAT). Satellites translate the signal and re-transmit a location of distress back to earth so that SAR units may be dispatched to the scene.

Question 2

SART

Answer 2

A search and rescue locating device that assists rescuing vessels and aircraft locate distressed vessel by transmitting with a radar signal that creates a series of dots. Automatically transmit a signal upon reception of a designated incoming signal from a X-band satellite . AIS-SART is a self-contained radio device use to locate a distressed vessel by using a standard AIS class A position report

Question 3

INMARSAT C

Answer 3

Provides a two-way store and forward message system with a small, low-cost terminals. This is a text only system. Text message, two-way telex and low speed computer data can be transmitted and received.

Question 4

VHF Radio/VHF DSC

Answer 4

Transmits and receives on VHF frequencies ( Channel 6, 13, 16 and 70)

Question 5

MF/HF Radio

Answer 5

Transmits and receives on MF/HF frequencies

Question 6

NAVTEX Receiver

Answer 6

A direct printing service that receives Marine Safety Information (MSI) containing weather and navigational warnings and urgent info

Question 7

Survival Craft Radios

Answer 7

Portable VHF Radios that provides for on-scene voice communications capabilities in emergency situations

Question 8

LRIT (Long Range Identification and Tracking)

Answer 8

Identification similar to AIS

Question 9

GMDSS Maintenance Options

Answer 9

• Duplication of equipment (including Antennae)
• Shore-based maintenance
• At— sea maintenance capability (by licensed at—sea maintainer)