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Correct AnswerGMDSS utilizes automated systems and satellite technology to improve emergency communications for the world's shipping industry.
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It is intended to automate and improve existing digital selective calling procedures and techniques.
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It is intended to provide more effective but lower cost commercial communications.
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It is intended to provide compulsory vessels with a collision avoidance system when they are operating in waters that are also occupied by non-compulsory vessels.
GMDSS utilizes automated systems and satellite technology to improve emergency communications. The GMDSS system eliminated manual monitoring for distress signals by automating and enhancing the existing the DSC, digital selective calling procedures to alert the search and rescue authorities on land and all vessels in the immediate area.
It replaced the old manual Morse code and radio telephone communication.
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Allow more effective control of SAR situations by vessels.
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Correct AnswerAutomate and improve emergency communications for the world's shipping industry.
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Provide additional shipboard systems for more effective company communications.
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Effective and inexpensive communications.
For shipping industry, GMDSS utilizes automated systems and satellite technology to improve emergency communications. The GMDSS system eliminated manual monitoring for distress signals by automating and enhancing the existing the DSC, digital selective calling procedures to alert the search and rescue authorities on land and all vessels in the immediate area.
It replaced the old manual Morse code and radio telephone communication.
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Shoreside authorities will rely on reports from nearby vessels to become aware of Distress alerts.
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Shoreside authorities and vessels can assist in a coordinated SAR operation only after the correct chain of DSC relays takes place.
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Correct AnswerSAR authorities ashore can be alerted to a Distress situation & shipping in the vicinity can be requested to participate in SAR operations.
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SAR authorities ashore wait to have EPIRB Distress alerts confirmed by satellite follow-on communications.
The GMDSS system uses digital selective calling procedures to alert the search and rescue authorities, RCC (rescue coordination center) and JSRC (joint search and rescue centers) on land and all vessels in the immediate area.
Great presentation on SAR from ICAO
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Ship-to-ship Distress communications using MF or HF radiotelephony.
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VHF digital selective calling from ship to shore.
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Distress, Urgency and Safety communications carried out by the use of narrow-band direct printing telegraphy.
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Correct AnswerThe linking of search and rescue authorities ashore with shipping in the immediate vicinity of a ship in Distress or in need of assistance.
The GMDSS system uses digital selective calling procedures to alert the search and rescue authorities, RCC (rescue coordination center) and JSRC (joint search and rescue centers) on land and all vessels in the immediate area.
Four stages of escalation:
- Normal Operation
- Abnormal Operation
- Distress Tracking
- Response & Recovery
Great presentation on SAR from ICAO
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Correct AnswerEvery vessel must be able to perform communications functions essential for its own safety and the safety of other vessels.
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Vessels must transmit a DSC distress relay upon receipt of a DSC distress alert.
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Only the vessels closest to a Distress incident must render assistance.
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Vessels must immediately acknowledge all DSC distress alerts.
From UN Food and Agriculture on GMDSS:
"Under the GMDSS, all cargo ships of 300 gross registered tonnes and upwards, and all passenger ships engaged on international voyages, must be fitted with radio equipment that conforms to international standards as set out in the system. The basic concept is that search and rescue authorities ashore, as well as vessels in the immediate vicinity of the ship in distress, will be rapidly alerted through satellite and terrestrial communication techniques so that they can assist in a co-ordinated search and rescue operation with the minimum of delay."
Great presentation on SAR from ICAO
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All vessels capable of international voyages.
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Correct AnswerSOLAS Convention ships of 300 gross tonnage or more.
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Vessels operating outside of the range of VHF coast radio stations.
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Coastal vessels of less than 300 gross tons.
From UN Food and Agriculture on GMDSS:
"Under the GMDSS, all cargo ships of 300 gross registered tonnes and upwards, and all passenger ships engaged on international voyages, must be fitted with radio equipment that conforms to international standards as set out in the system. The basic concept is that search and rescue authorities ashore, as well as vessels in the immediate vicinity of the ship in distress, will be rapidly alerted through satellite and terrestrial communication techniques so that they can assist in a co-ordinated search and rescue operation with the minimum of delay."
Great presentation on SAR from ICAO
Great presentation on SOLAS requirements
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