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Tổng quan hệ thống GMDSS phục vụ TKCN. Năm 1979,Tổ chức Hàng Hải quốc tế (International Maritime Organization IMO) đã tổ chức hội nghị về vấn đề tìm kiếm và cứu nạn trên biển. ... Hệ thống mới được tự động hóa và sử dụng sóng vô tuyến trái đất và vệ tinh cho báo động cấp cứu và các thông tin theo sa
Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi Your vessel is in Sea Area A2 and is in grave and imminent danger and requires immediate assistance, you should initially transmit a DSC Distress Alert on 2187.5 kHz RT Distress Call on 2187.5 kHz DSC Distress Alert on 2182 kHz RT Distress Call on 2182 kHz A The VHF channel for ship-to-ship RT communications relating to Safety of Navigation is Ch.70 Ch.13 Ch.16 Ch.06 A The correct format for an RT Urgency call is PAN (x3) this is Nonsuch GABC 232123456 (x3) PAN PAN (x3) All Stations (x3) this is Nonsuch (x3) GABC 232123456 SECURITE (x3) All Stations (x3) this is Nonsuch (x3) GABC 232123456 All Stations (x3) this is Nonsuch (x3) A After receiving a DSC Distress Relay Alert from an MRCC on MF, you should listen for a MAYDAY RELAY message on 2182 kHz listen for a MAYDAY RELAY message on 2187.5 kHz immediately acknowledge by DSC on 2187.5 kHz immediately acknowledge by RT on 2182 kHz A Your vessel is in GMDSS Sea Area A1, drifting ashore and you require a tow You should initially transmit by Ch 70 DSC an All Stations Safety Alert a Distress Alert a Distress Relay Alert an All Stations Urgency Alert A The signal “Seelonce Feenee” should only be transmitted by any station involved in the distress incident the station controlling the distress working the Port Operation station nearest the distress position the control station to impose silence A After transmitting a MF DSC Safety Alert, the RT call should be transmitted on 2182 kHz 2177 kHz 2187.5 kHz 2048 kHz A You receive a VHF DSC Urgency Alert you should A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B listen for the message on Ch.13 acknowledge by R/T on Ch.16 acknowledge by DSC on Ch.70 listen for the message on Ch.16 A A DSC Distress Relay Alert should only be sent on the authority of the officer of the watch person responsible for radio communications in an emergency the Chief Engineer officer the Master or person responsible for the vessel A The signal SEELONCE MAYDAY indicates a Distress message is to follow the control station is imposing silence an Acknowledgement of a Distress a Distress has ended A The RT signal PAN PAN should used for a Urgency message Distress message Routine message Safety message A You receive an MF DSC Urgency Alert you should acknowledge by DSC on 2187.5 kHz listen for the message on 2177 kHz acknowledge by R/T on 2182 kHz listen for the message on 2182 kHz A The correct format for an RT Safety Call to Clyde Coastguard is SECURITE (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 SECURITE Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 PAN PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 PAN PAN (x3) All Stations (x3) this is Nonsuch (x3) A A VHF DSC Distress Alert, unless acknowledged or reset, will automatically repeat after 15 minutes 3.5 to 4.5 minutes 10 minutes 4.5 to 5.5 minutes A You are in Sea Area A1 and require medical assistance from Aberdeen Coastguard You should initially transmit on Ch.70 by DSC an Urgency Alert addressed to Aberdeen Coastguard’s MMSI a Distress Alert addressed to Aberdeen Coastguard’s MMSI C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D a Safety Alert to All Stations a Routine Alert to All Stations A You receive an “All Stations” DSC Safety Alert on Ch.70 VHF, you should listen for the call on Ch.16 acknowledge by DSC on Ch.70 acknowledge by R/T on Ch.16 listen for the call on Ch.13 A Your vessel has sighted a hazard to shipping in GMDSS Sea Area A1 You should warn vessels in the area by initially transmitting on Ch.70 DSC an Urgency Alert addressed to All Stations a Safety Alert addressed to All Stations a Routine Alert addressed to All Stations a Distress Alert Relay Alert A You receive an All Stations DSC Safety Alert on 2187.5 kHz, you should listen for the call on 2048 kHz acknowledge by DSC on 2187.5 kHz listen for the call on 2182 kHz acknowledge by RT on 2182 kHz A After transmitting a VHF DSC Urgency Alert, the RT call and message is usually sent on Ch 16 Ch 13 Ch 70 Ch 06 A A designated DSC Distress Alert contains ID, position and vessel’s callsign ID, position and name of vessel in distress ID, position and number of crew on board ID, position and the nature of distress A A VHF DSC Distress Relay Alert should be sent on Ch.70 Ch.13 Ch.16 Ch.6 A You are in GMDSS Sea Area A1 and have received a DSC Distress Alert you should acknowledge immediately by RT on Ch 70 wait a short period, then acknowledge by DSC on Ch.70 acknowledge immediately by RT on Ch 16 wait a short period, then acknowledge by RT on Ch.16 Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A The correct format for an RT Safety call is All Stations (x3) this is Nonsuch (x3) PAN (x3) this is Nonsuch (x3) SECURITE, All Stations (x3) this is Nonsuch (x3) GABC 232123456 SECURITE (x3) All Stations (x3) this is Nonsuch (x3)GABC 232123456 A A DSC Distress Alert should only be sent on the authority of the Master or person responsible for the vessel officer of the watch owner of the vessel person responsible for radio communications in an emergency A The RT signal that indicates return to normal working is SEELONCE FEENEE SEELONCE DISTRESS SEELONCE MAYDAY SEELONCE OVER A The RT signal used by a control station to impose silence is SEELONCE PAN PAN SEELONCE MAYDAY SEELONCE FEENEE SEELONCE DISTRESS A After transmitting a VHF DSC Distress Alert Sea Area A1, you should expect a subsequent acknowledgement by RT on Ch.06 Ch.16 Ch.70 Ch.13 A After receiving a VHF DSC Distress Relay Alert from an MRCC, you should listen for a MAYDAY RELAY message on Ch 16 listen for a MAYDAY RELAY message on Ch 70 immediately acknowledge by RT on Ch 16 immediately acknowledge by DSC on Ch 70 A Your vessel is in Sea Area A1 and is in grave and imminent danger and requires immediate assistance, you should initially transmit a RT Distress Call on Ch.70 RT Distress Call on Ch.16 DSC Distress Alert on Ch.16 DSC Distress Alert on Ch.70 A A VHF DSC Distress Alert should be sent on A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A Ch.70 Ch.16 Ch.13 Ch.6 A A meteorological warning should be preceded by the RT signal MAYDAY SECURITE MAYDAY RELAY PAN PAN A The correct format for an RT Urgency Call to Clyde Coastguard is SECURITE (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 PAN PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 PAN PAN Clyde Coastguard (x3) this is Nonsuch (x3) GABC 232123456 PAN (x3) Clyde Coastguard (x3) this is Nonsuch (x3) A Your vessel is in GMDSS Sea Area A1 and you have sighted an unlit buoy To warn other ships, you should transmit on Ch.70 by DSC a Routine Alert addressed to All Stations a Distress Alert Relay Alert a Safety Alert addressed to All Stations an Urgency Alert addressed to All Stations A The correct form for an RT Distress Message following a DSC Distress Alert is MAYDAY, nature of distress, assistance required, further relevant information MAYDAY, name, callsign and MMSI, assistance required, position MAYDAY, name, callsign and MMSI , position, nature of distress, assistance required, further relevant information MAYDAY, name, callsign and MMSI, position, nature of distress, name of the Master A The RT signal SECURITE should used for a Distress message Routine message Urgency message Safety message A After transmitting a VHF DSC Safety Alert and RT call, the Safety message should be transmitted on Ch.06 Ch.13 Ch.16 Ch.70 A After transmitting a VHF DSC Distress Relay Alert, you should transmit an All Stations call and message on Ch 16 B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an Cau hoi A B C D Dap an a MAYDAY RELAY call and message on Ch 70 a MAYDAY RELAY call and message on Ch 16 a MAYDAY call and message on Ch 16 A After transmitting a DSC Distress Relay Alert on Ch 70, you should switch to Ch.6 Ch.70 Ch.16 Ch.13 A The signal “Seelonce Feenee” indicates an Urgency has ended silence is to be imposed a Distress is in progress a Distress has ended A You are in Sea Area A2 and require medical advice from Humber Coastguard You should initially transmit by MF DSC on 2187.5 kHz an Urgency Alert addressed to Humber Coastguard’s MMSI a Distress Alert addressed to Humber Coastguard’s MMSI a Safety Alert to All Stations a Routine Alert to All Stations A To announce an unscheduled meteorological warning a coast station should transmit a DSC Urgency Alert Safety Alert Distress Alert Distress Relay Alert A