ARTICLE

AIS principle, SOLAS requirements, AIS function, advantage AIS principleConsists of one VHF transmitter, two VHF TDMA receiver, one VHF DSC receiver, display unit and sensor system.Automatic exchange of static, dynamic and voyage related data between ship to ship or ship to shore.Vessel name, call sign, position, time, speed, navigation status, safety information.GPS give position and … Read moreAIS principle, SOLAS requirements, AIS function, advantage

GPS and DGPS difference GPS and DGPS differenceBasic difference is accuracy.DGPS more accurate than GPS.GPS accuracy about 10 m.But DGPS accuracy about 1 m (even 10cm).

E Navigation and Decca navigation system Decca navigation systemWas Hyperbolic navigation systemShip and aircraft used to determine their positionHad dedicated static radio transmitterFrequency 70-129 khz E NavigationElectronic format of transmission, reception, manipulation and display of navigational information. E Navigation AdvantageReduce accident incidentReduce shipping costEnhance maritime safety securityProtect people environmentEasy and comfortable E Navigation MethodsSatellite Navigation … Read moreE Navigation and Decca navigation system

BNWAS Alarm Sequence, Performance standard, SOLAS requirement BNWASBridge navigation watch alarm system.SOLAS chapter V regulation 19.When ship underway, Alert the OOW.Works on preset time limit. Operation and alarm sequenceWhen ship underway, Alert the OOW.Works on preset time limit.Range: 3-12 minutesFirst Stage Alert: after preset time limit, BNWAS will show visual indication, if not reset – … Read moreBNWAS Alarm Sequence, Performance standard, SOLAS requirement

SSAS alert signal, activation, SSAS Regulation SSASFor safety and security. When a ship is at high Risk.SSAS sends a special alert signal from ship to shore.SSAS does not raise any alarm on board ship nor alert other ships.The ship owner first receive SSAS alert signal then passed to the flag. They will inform other authority. … Read moreSSAS alert signal, activation, SSAS Regulation