Section 7 Anchoring and mooring equipment
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules for the Classification of Air Cushion Vehicles, July 2022 - Chapter 3 Hull Structures - Section 7 Anchoring and mooring equipment

Section 7 Anchoring and mooring equipment

Parent topic: Chapter 3 Hull Structures

7.1 General

7.1.1 Equipment requirements are to be as required by Pt 3, Ch 5 Anchoring and Mooring Equipment of the SSC Rules for mono-hull craft except as otherwise specified in this Chapter.

7.1.2 Anchor requirements are based on the use of High Holding Power (HHP) anchors. Where Super High Holding Power (SHHP) anchors are used, the mass may be reduced by 33 per cent.

7.2 Equipment Number

7.2.1 The Equipment Number, EN, is to be calculated in accordance with the requirements of Pt 3, Ch 5, 2.1 Equipment Number 2.1.2 of the SSC Rules

7.2.2 Fenders, tail fins, air propellers, ducts and flexible skirts need not be included in the calculation of the Equipment Number.

7.3 Arrangements

7.3.1 ACVs are to be provided with a single anchor on board which must be readily available for use. Suitable storage is to be provided for the anchor cable and means of recovery are to be provided (recovery of the anchor by hand may be permitted). The bitter end of the anchor cable is to be connected to a suitable strong point on the ACV.

7.3.2 Arrangements are to be in place to prevent the anchor snagging or damaging the skirt during launching and recovery.

7.3.3 The craft in way of anchor and cable is to have suitable arrangements as to protect the structure from being damaged during normal operation.

7.3.4 The construction and attachment of anchoring equipment, towing bitts, mooring bollards, fairleads, cleats and eyebolts are to be able to withstand the breaking strength of the anchor cable, mooring lines or towlines. Breaking strength loads and any directional limitations assumed are to be shown on the submitted plans.

7.3.5 The equipment supporting structure is to be able to withstand a load of up to 1,2 times the breaking strength of the anchor cable, mooring lines or towlines. The supporting structure is to have adequate resistance to buckling and be able to facilitate efficient distribution of the load.

7.3.6 The maximum permissible speed at which the ACV may be towed is to be included in the Operational Manual.

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