Anchoring

Table of contents

Can your crew do it safely?

Anchoring Operations & Safety

Anchoring operations are the most crucial aspect of commercial vessel operations, as they ensure the safety and stability of the vessel while it is stationary. When a commercial vessel arrives at its destination, the crew must carefully select an appropriate anchorage based on factors such as water depth, bottom conditions, weather conditions and traffic density.

Once the anchorage area has been identified, the crew will begin the anchoring operation by deploying the anchor. The crew must carefully monitor the length of the anchor chain/line deployed to ensure that the anchor is properly set, and that the vessel remains in position.

The safety of anchorage is a crucial aspect of operating commercial vessels, as it ensures the safety of both the vessel and all persons onboard. When anchoring the vessel, there are several key factors to consider preventing accidents and ensure smooth operations.

It is important to choose the right anchor for the size and weight of the vessel. The anchor should be able to hold the vessel securely in place, even in rough weather conditions. It is also essential to properly maintain and inspect the anchor regularly to ensure that it is in good working condition.

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Hazards

Anchorage can pose serious hazards if not properly managed. One of the main hazards is the potential for the anchor to drag, causing the vessel to drift off course and potentially run aground or collide with other vessels or structures. This can be especially dangerous in busy harbors or narrow waterways where there is limited room to manoeuvre.

Another hazard is fouling of the anchor, where debris such as rocks, coral, or old fishing gear become entangled in the anchor. This can prevent the anchor from properly setting or retrieving, leading to difficulties in anchoring.

Weather conditions also present significant hazards in anchoring. Strong winds, currents, and waves can put excessive strain on the anchor and chain, increasing the risk of dragging or breaking free. All of these and other hazards present multiple risks

Risks

Poor or no anchoring procedures or equipment failure can lead to accidents such as anchor chains snapping under tension or anchors breaking loose unexpectedly. These incidents can cause damage to both vessel and surrounding structures, as well as posing a threat to nearby vessels and their crew.

Other risks include the chain rolling or jamming in the gypsy, winching up too fast, not paying attention to the anchor and many other potential risks.

Sensitive Areas

Anchoring in sensitive sea areas for commercial vessels requires careful consideration and adherence to strict procedures to minimize environmental impact. These particular sensitive areas include the parts of the Great Barrier Reef, Torres Strait and Coral Sea.

Commercial vessels must be aware of designated anchorage zones and avoid dropping anchor in prohibited areas to prevent damage to fragile marine environments. Anchoring in sensitive areas can disturb seabed habitats, destroy coral reefs, and harm marine life through pollution from anchor chains and propeller wash.


Shorlink’s Recommendation

Our top recommendation is to have a detailed anchoring procedure and ensure all crew who undertake anchoring duties know and understand them completely. A few key points to include:

  • Water depth taking into account low tide (under keel clearance)
  • Seabed structure
  • Weather condition (current and predicted)
  • Traffic density
  • Regular anchor, chain, shackle and line checks

Tip

Key tips are:

  1. Ensure you have an anchoring procedure in your SMS
  2. Ensure ALL crew responsible for anchoring know and understand the procedure
  3. Develop a set of hand signals to assist in the operation
  4. Conduct training in anchoring to ensure crew are competent

By having a procedure in place, making sure the crew know what to do and then undertaking training you’ve minimised the potential for accidents.

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