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CAL MARITIME - GMDSS – CALNAN QUESTIONS AND ANSWERS
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CAL MARITIME - GMDSS – CALNAN QUESTIONS AND ANSWERS
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CAL MARITIME - GMDSS – CALNAN QUESTIONS ANDANSWERS
What does GMDSS stand for? - Answers- Global Maritime Distress and Safety System
•Implemented and adopted worldwide communications procedures, and equipment
requirements to provide worldwide SAR and routine communications.
In what year did GMDSS become a SOLAS requirement? - Answers- 1988
What are the different pieces of GMDSS equipment? - Answers- 1.SART
2.EPIRB
3.VHF/DSC Radio
4.MF/HF Radio
5.Inmarsat C
6.NAVTEX
SART - Answers- Search and Rescue Transponder
EPIRB - Answers- Emergency Position Indicating Radio Beacon
VHF/DSC Radio - Answers- Very High Frequency/ Digital Selective Calling
✯30 MHz to 300 MHz (VHF)
Line of sight - and therefore has a distance of about 20-30 miles max.
has a 1 watt or 20 watt power setting. 1 is default, under the assumption that you will be
communicating with ships that are closer in order to determine passing arrangements.
MF/HF Radio - Answers- Medium Frequency/High Frequency
The MF/HF frequency ranges are:
✯300 kHz to 3 MHz (MF)
✯3 MHz to 30 MHz (HF)
- INMARSAT C - Answers- International Maritime Satellite System
NAVTEX - Answers- Navigational Telex
.
This radio operator MUST hold a GMDSS Radio Operator's License.
Categories of FCC Licenses - Answers- •Restricted radiotelephone operator permit
•Marine radio operator permit
, •GMDSS radio operator license
•GMDD radio maintainer license
three methods to ensure radio equipment is functionally capable of providing
communications. - Answers- 1.Shore based maintenance
2.At sea maintenance
3.Duplication of equipment (partial redundancy*)
SOLAS - Answers- Safety of Life at Sea
SOLAS mandates the minimum criteria for GMDSS so during distress situations/SAR
scenarios, maximum amount of lives can be saved.
GMDSS regulations are found in SOLAS Chapter IV - Radiocommunication:
•All ships travelling in international waters must comply
Requirements under SOLAS Chapter IV - Radiocommunications
Every ship must be able to - Answers- 1.RX Shore to ship warnings and distress alerts
2.TX/RX of distress alerts from ship to ship
3.TX/RX of search and rescue communications
4.TX/RX of on scene communications
5.TX/RX signals for providing location
6.TX/RX of marine safety information
7.TX/RX general radio communications from shore based networks
8.TX/RX for bridge to bridge communications
IMO - Answers- International Maritime Organization
I.M.O. Requires that all masters and mates hold GMDSS radio operator's license and
attend a 2 week training course and demonstrate competency with operation of GMDSS
equipment.
(Redundant with FCC)
GMDSS "compulsory" vessels include: - Answers- •Cargo vessels of 300 gross tons
and over when travelling on international voyages in open sea.
•All passenger vessels carrying more than 12 passengers when travelling on
international voyages in open sea.
What is the purpose of GMDSS? - Answers- GMDSS provides automatic distress
alerting and locating in cases where a radio operator doesn't have time to send an
distress call, and, for the first time, requires ships to receive broadcasts of maritime
safety information which could prevent a disaster from happening in the first place.
What is MSI? - Answers- Maritime Safety Information - announced through NAVTEX
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