Failure to properly use ECDIS - lesson to learn in relation to ECDIS training and familiarisation. Poor passage planning - not checked by Master; safety parameters not set; audible alarms inoperative
Safety contour alarm inoperative; lack of knowledge of master and officers
Primary navigation was by paper charts, but only small scale in use. Passage planning did not notice proximity of course to Tench Island. Monitoring of passage carried out on ECS - only fitted with Raster charts, consequently no look ahead or anti-grounding alarms generated.
Navigating using paper charts, with the passage being monitored on ECS. No cross-checking of planned route.
The vessel was equipped with an ECDIS, but since no officially approved chart data was installed in vector format (ENCs), the system only had the status of an ECS which does not comply with the carriage requirements under SOLAS.
Although the system was capable of performing as an electronic chart display and information system (ECDIS), it was an ECS rather than a certified ECDIS because of the way it was configured and the type of electronic charts that were being used on board the Cosco Busan. As an ECS, the system was permitted to be used as a navigation aid only; paper charts were required for primary navigatio