2019-11-30 · HOW TO SET ECDIS SAFETY PARAMETERS = SAFETY DEPTH + SHALLOW CONTOUR - Abhishek Sabharwal. SAFETY DEPTH / SAFETY CONTOUR: Safety depth is considered to be the minimum depth required in which the vessel can safely navigate and any depths lower than that might compromise the safety of the vessel. For all practical purposes the safety depth is

The safety contour function on the vessel's ECDIS was fitted with a watch vector function whereby time and angle for the predicted movement of the vessel needed to be set to trigger the safety contour alarm. Although the safety contour had been set at 30m, the alarm did not function as the watch vector had not been activated by the bridge team.

Safety contour is the most important safety setting in ECDIS. This setting only responsible in generating an anti-grounding alarm on ECDIS, for the display of unsafe water areas and detecting isolated dangers. ECDIS should emphasize the safety contour over other contours on the display, however: .1 if the mariner does not specify a safety contour, this should default to 30m. If the safety contour specified by the mariner or the default 30 m contour is not in the displayed SENC, the safety contour shown should default to the next deeper contour; Safety in an ECDIS Safety contour Unfortunately, the safety contours in normal ENC charts are too blunt to be used to distinguish minimum depth required.

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If, when the ship 1. Safety Contour – Gives light blue colour. Safety contour is the most important safety setting in ECDIS. This setting only responsible in generating an anti-grounding alarm on ECDIS, for the display of unsafe water areas and detecting isolated dangers. ECDIS should emphasize the safety contour over other contours on the display, however: .1 if the mariner does not specify a safety contour, this should default to 30m. If the safety contour specified by the mariner or the default 30 m contour is not in the displayed SENC, the safety contour shown should default to the next deeper contour; Safety in an ECDIS Safety contour Unfortunately, the safety contours in normal ENC charts are too blunt to be used to distinguish minimum depth required.

Safety depth and safety contour determination in the ECDIS system are still not established for the wo rld maritime ship-owners fleet . Based on the above, it could be set The ECDIS safety depth setting was appropriate for the voyage, but the safety contour value of 5m was not. The safety contour could have been set at a higher minimum value of 7.5m and the ECDIS would have defaulted to the next deeper ENC contour of 10m.

The greatest single danger from ECDIS is to assume that it has been correctly configured with regard to the Route, Safety Depth, Safety Contour, Alarms and 

Safety Contour. Safety Depth Most ECDIS systems are designed for the safety contour to default to 30 metres. At this setting many dangers will be obscured in the unsafe area. For example, on a ship with a draught of 8 metres negotiating the Dover Strait with a default setting of 30 metres, the ECDIS would show much of the Straits as unsafe water.

21 Apr 2017 Safety contour represents the value whose alterations change the contours of the areas safe for navigation from the ones that can be unsafe, so it 

ECDIS should emphasize the safety contour over other contours on the display, however: .1 if the mariner does not specify a safety contour, this should default to 30m. If the safety contour specified by the mariner or the default 30 m contour is not in the displayed SENC, the safety contour shown should default to the next deeper contour; Safety in an ECDIS Safety contour Unfortunately, the safety contours in normal ENC charts are too blunt to be used to distinguish minimum depth required. • Depth contours may be 3 –5 –10 –20m in a port where max draft allowed is 14.5m • If the ship sets 13m safety contour in this area the ECDIS ECDIS safety settings must be configured correctly to ensure sufficient UKC, to ensure correct interpretation of the ENC and to ensure that charted objects on the ENC are properly identified by the ECDIS as dangers or hazards to navigation.

Safety depth. Ange säkerhetsdjup, djupgående,+ UKC, vitt / blått vatten i kortet. Image: Safety depth. Chart themes. Välj vad som skall ses  av P Holmberg · 2019 — Safety contour - Inställning som visar vattendjup konturer (ECDIS) blev ett krav på alla fartyg som omfattas av SOLAS (Safety Of Life At Sea). on merchant shipping standards for ECDIS (Electronic Chart Display and Information Δ Setting of safety contour (2, 3, 6, 10 and 15 meters).
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2021-01-14 · Based on the value of safety contour, ECDIS displays the isolated danger symbol for underwater features and obstructions which may pose a danger to navigation. The Isolated Danger Symbol is displayed if any underwater feature like wrecks, rocks or other obstructions has a depth less than the safety contour in waters beyond the safety contour. The Safety Contour is one of the most critical safety alarms used in ECDIS.

The safety contour provides a visible boundary between "safe" and "unsafe" water with respect to depth, and is highlighted on the display to enable easy identification.
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Did not react though the vessel’s vector on ECDIS was heading directly towards the safety contour. Did not react when Muros crossed the 10m safety contour at approximately 02:18. Did not immediately appreciate that the vessel might have grounded when its speed was …

ECDIS, isolated hazards can be presented on the screen in the form of a red border with a transparent X in the center, but only if the user activates the  The ECDIS safety depth setting was appropriate for the voyage, but the safety contour value of 5m was not. The safety contour could have been set at a higher   GPS positions should be cross-referenced using visual/ radar range and bearings. Safety contour and safety depth settings can drastically affect the display and  It includes worked examples to illustrate best practice and topics covered include: Safety depth and safety contour; display settings; isolated dangers; squat; tidal  Safety Depth & Safety Contour In ECDIS. a) Requirement-and-significance-of-bill -of-lading-clauses b) Difference Between towage & salvage c) Manning of Ships d  These incidents illustrate some fundamental aspects of ECDIS chart display that must be understood. There are a small number of settings that need to be  As a thumb rule, Safety Depth = Deepest Static Draught + Anticipated Squat + Company's Min UKC. Safety Contour: In general, the Safety Contour may be set  function whereby the user can select a safety contour from the depth contours available on the Electronic Navigation Chart. (ENC). ECDIS should permanently   16 Mar 2019 The safety contour is the most important parameter of all the safety settings for the display of unsafe water areas, detecting isolated dangers and  Depth contours in ENC in relation to Safety contour and Safety depth function 15.