Global Maritime Distress and Safety Systems (GMDSS)/Communications at Namfi

What is Global Maritime Distress and Safety Systems?

The Global Maritime Distress and Safety System is a worldwide system for automated emergency signal communication for ships at sea developed by the United Nations’ International Maritime Organization as part of the SOLAS Convention.

Overview

The main purpose of GMDSS is to prevent unanswered distress calls and delay in Search and Rescue actions when distress situations occur.

Frequently Asked Questions

What are the 4 sea areas of GMDSS?

The GMDSS operates over 4 sea areas of coverage from shore to ship. The 4 sea areas are classified as: A1, A2, A3 and A4. Sea area A1: Covered by VHF radio enabling Digital Selective Calling (DSC) and Radio Telephone (RT). Determined range of approximately 20-30 nautical miles.

What is the Global maritime Distress system GMDSS and its subsystem?

The Global Maritime Distress and Safety System (GMDSS) is a worldwide system for automated emergency signal communication for ships at sea developed by the United Nations’ International Maritime Organization (IMO) as part of the SOLAS Convention.

What is Inmarsat in GMDSS?

Inmarsat is the leading provider of GMDSS-approved satellite communication services. Our Inmarsat C service has been keeping seafarers safe at sea every day since the inception of GMDSS in 1999 through the receipt and transmission of vital ship-to-shore and shore-to-ship distress alerts.

Is GMDSS part of Solas?

The regulations governing the GMDSS are contained in Chapter IV of the International Convention for the Safety of Life at Sea (SOLAS), 1974. SOLAS Chapter IV is currently under review as part of the modernization plan of the GMDSS.

What is Inmarsat on ships?

Inmarsat in brief. INMARSAT, a leading global satellite communications company, established in London in. 1979 to serve the maritime industry by developing satellite communication for ship. management as well as distress and safety applications in the maritime, aeronautical and.

What is safety messages to ships?

The use of the safety signal implies that the station making the call has an important navigational or meteorological warning to transmit. All stations hearing the safety signal shall listen to the safety message until they are satisfied that the message is of no concern to them.

What is the importance of ISPS Code?

The ISPS Code provides a framework through which ships and port facilities can co-operate to detect and deter acts which pose a threat to maritime security. The Code: enables the detection and deterrence of security threats within an international framework. establishes roles and responsibilities.

What is SAT C in maritime?

Inmarsat C is a two-way store and forward communication system that transmits messages in data packets in ship-to-shore, shore-to-ship and ship-to-ship direction.

Who needs GMDSS?

• cargo ships of 300 gross tons and over when traveling on international voyages or in the open sea.
• all passenger ships carrying more than twelve passengers when traveling on international voyages or in the open sea.

What is the urgency signal?

(a) The urgency signal indicates that the calling station has a very urgent message to transmit concerning the safety of a ship, aircraft, or other vehicle, or the safety of a person. The urgency signal must be sent only on the authority of the master or person responsible for the mobile station.

What action should be taken by any ship receiving a distress message?

A ship station that receives a Distress call from another vessel must, as soon as possible, inform the Master or person responsible for the ship of the contents of the Distress communications received.

What is meant by maritime security?

Maritime security is a general term for the protection of vessels both internally and externally. The areas from which ships and maritime operations need protecting include terrorism, piracy, robbery, illegal trafficking of goods and people, illegal fishing and pollution.

What are the 3 levels of security?

The security features governing the security of an identity can be divided into three levels of security, i.e. Level 1 Security (L1S) (Overt), Level 2 Security (L2S) (Covert) and Level 3 Security (L3S) (Forensic).

What is GMDSS distress communication?

Global Maritime Distress and Safety System (GMDSS) is the internationally agreed-upon set of safety procedures, types of equipment and communication protocols used to increase safety and make it easier to rescue all distressed ships, boats and aircrafts.

What are the 4 areas of GMDSS?

The GMDSS operates over 4 sea areas of coverage from shore to ship. The 4 sea areas are classified as: A1, A2, A3 and A4. Sea area A1: Covered by VHF radio enabling Digital Selective Calling (DSC) and Radio Telephone (RT). Determined range of approximately 20-30 nautical miles.