ECDIS Course Notes

ECDIS Course Notes What is the primary function of ECDIS ? - To contribute to safe navigation Does ECDIS comply w/ SOLAS requirements for up-to-date charts? - Yes, with adequate back up arrangements. Where must charts for ECDIS come from? - Distributed on authority of government authorized Hydrographic Offices What do the first 2 characters of an electronic chart indicate? - Country of origin, e.g., CA, UK, US, DE What does the 3rd character of an electronic chart indicate? - Chart use, e.g. coastal. What is the IMO requirement for updating ECDIS? - Should facilitate simple and reliable updating of ENC's What are the ECDIS Display requirements? - Should be capable of displaying all chart information necessary for safe and efficient navigation. In comparison with paper charts, what should ECDIS display? - Should have at least the same reliability and availability of presentation as paper chart What are the 4 IMO Performance Standard Requirements for an ECDIS display? - - Chart dat must be official data - ENCs (vector) must be used if available - Graphics display must meet IMO specification - Eqpt must support full range of navigational functions capable on a paper chart. What are the areas for which special conditions exist, and which should trigger an indication or alarm? - Traffic separation scheme Inshore traffic zone Restricted area Caution area Offshore production area Areas to be avoided User defined areas to be avoided Military practise areas Seaplane landing areas Submarine transit lanes Anchorage areas Marine farm/aquaculture PSSA (Particularly Sensitive Sea Area) In IMO Base Display, what info is permanently shown? - Coastline Own ship safety contour Isolated underwater dangers depth less than safety contour Isolated dangers lying within safe water defined by safety contour, e.g. overhead wires, fixed structures Scale, range, and north arrow Units of depth and height Display mode In IMO Standard Display, what info is shown? - IMO Base Display, PLUS: Drying Line Buoys, beacons, other aids to navigation Boundaries of fairways, channels Visual and radar conspicuous features Prohibited and restricted areas Chart scale boundaries Indication of cautionary notes Ships' routing systems and ferry routes Archipelagic sea lanes In IMO All Other Display, what info can be shown on demand? - Spot soundings Submarine cables and pipelines Details of all isolated dangers Details of aids to navigation Contents of cautionary notes ENC edition date Most recent chart update number