MOORING BOATS PROPERLY: EVERYTHING YOU NEED TO KNOW


Mooring lines are essential for every boat: they are not only elementary for the safety of the boat, but also for that of the passengers. The rope is particularly suitable for securing a boat to the pier or to other boats. With the help of the mooring line, your boat can remain calm and safe at the berth in the future. Therefore, every boat needs reliable mooring ropes. But what types of mooring lines are there and what are the advantages and disadvantages of the different types?

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Why are mooring lines so important?

A mooring line is a special line used to secure the boat to a mooring. Without a mooring line, you simply cannot moor the boat, so it could drift and damage other vessels. The mooring line therefore ensures the safety of the boat every time it goes ashore. However, the mooring line is not only responsible for the safety of the boat, but also for the safety of the passengers.

What are the different types of mooring lines?

Before you want to moor your boat, you should first familiarise yourself with the different types of mooring ropes. There are basically three different rope constructions for mooring ropes:

Twisted cordage

Whipped cordage is characterised by the fact that two or more rope fibres are twisted around each other. This is why it is also referred to as "twisted cordage". This type of cordage has many advantages: it is cheap to buy, particularly elastic and can be easily spliced. Disadvantages arise from the fact that twisted cordage can form kinks after a while and is also very stretchy.

Square braid

The square braid is also known as "square line". The main advantages of square braid are its high elasticity and suppleness. The cordage can also be laid well without jamming or snagging. However, a common disadvantage of the square braid is that it tends to pull threads.

Core-sheath braid

The core-sheath braid is considered to be a robust and at the same time supple cordage construction. However, the stretchability always depends on the material, but this is usually less pronounced than with square braids.

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Fasteners made of polyester

While mooring ropes made of polyester are particularly UV-resistant, break-resistant, non-slip, inexpensive and resistant to shrinkage and abrasion, they only have a low elasticity. Accordingly, either a jerk damper or very long mooring lines should be used. Polyester mooring lines with a square braid are particularly grippy, kink-free and elastic.

Polypropylene mooring lines

Polypropylene is the lightest textile fibre of all materials. Because it absorbs virtually no water and is buoyant, it is less likely to be caught by the boat's propeller when manoeuvring in the harbour. In addition, the material is very resistant to chemicals. Disadvantages result from its lower UV resistance and propensity to break. In addition, the material is less abrasion-resistant and not as durable as the other mooring lines. If you are looking for buoyant mooring lines, preemptively order them with a larger diameter (than actually needed) and only use them on protected moorings, a mooring line made of polypropylene is the right choice.

Mooring lines made of polyamide

Fixing lines made of polyamide offer up to ten percent more stretch compared to polyester and are therefore very elastic. Lines made of this material are considered the most stretchy of all mooring lines. Since polyamide absorbs a lot of water, it used to quickly become stiff and therefore unmanageable. In the meantime, however, polyamide lines have been optimised.


Mooring lines by the metre

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Mooring a boat properly: How are mooring lines securely attached to a jetty?

After the vessel is safely moored, it is moored to the shore with either one or more forelines, aft lines, foresprings and aft jumpers, depending on the size. In recreational boating, the mooring line is attached to a cleat on the ship's side and the thick boat mooring lines are attached to rings or bollards alongside.

Accessories for mooring lines

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How to care for mooring lines?

With the right care, the boat's mooring lines will stay soft and supple for a long time. All you need for this is a container of warm water and mild detergent.

Place the mooring line in a mixture of water and mild detergent and knead it with your hands. When little or no dirt comes out of the line, it should remain in the water for a few hours. The mooring line should then be rinsed with clean water and dried. Washing in a washing machine is not recommended, as the mechanical stress is increased by the friction.

What safety precautions should be taken when handling mooring ropes?

  • Use of protective clothing
  • Checking the mooring lines
  • Avoiding knots
  • Secure and correct fastening of the line
  • Avoidance of overload
  • Distance from engines and propellers
  • Distance to other boats and ships

What are the legal requirements for mooring lines?

Depending on the country, there are some legal requirements for mooring lines on boats. These may, for example, be regulated in a Mooring Line Regulation. These include, among other things, that mooring lines must have a certain breaking load and stretch and be made of certain materials. In addition, there are regulations on the use, so that mooring lines must be regularly checked, replaced and correctly fastened.

Frequently asked questions - FAQs

What does a mooring line do?

Mooring lines are suitable for mooring a boat to a pier or to other boats. With the help of the mooring line, the boat can remain calm and safe at its berth. A good mooring line not only withstands moisture, wind and waves, but also UV radiation. It should also be elastic so that the boat doesn't press so hard into the fittings.

How long do mooring lines last?

Festmacherleinen sind wie andere Materialien auch nicht für die Ewigkeit bestimmt. Die Lebenszeit kann jedoch durch eine hochwertige Pflege verlängert werden, jedoch können Faktoren wie Schmutz, Salz, mechanische Belastungen und UV-Strahlung die Lebenszeit verringern.