A.B型船

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Part B Hull and Stability
  Chapter 1  General
    Section 2    Symbols and Definitions
      3                  Definitions

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3.18 Type A and Type B ships

3.18.1 Type A ship
A Type A ship is one which:

• is designed to carry only liquid cargoes in bulk;
• has a high integrity of the exposed deck with only small access openings to cargo compartments, closed by watertight gasketed covers of steel or equivalent material; and
• has low permeability of loaded cargo compartments.

A Type A ship is to be assigned a freeboard following the requirements reported in the International Load Line Convention 1966, as amended.

3.18.2 Type B ship
All ships which do not come within the provisions regarding Type A ships stated in [3.18.1] are to be considered as Type B ships.A Type B ship is to be assigned a freeboard following the requirements reported in the International Load Line Convention 1966, as amended.

3.18.3 Type B-60 ship
A Type B-60 ship is any Type B ship of over 100 metres in length which, fulfilling the requirements reported in Ch 3, App 4, [4.4], is assigned with a value of tabular freeboard which can be reduced up to 60 per cent of the difference between the "B" and "A" tabular values for the appropriate ship lengths.

3.18.4 Type B-100 ships
A Type B-100 ship is any Type B ship of over 100 metres in length which, fulfilling the requirements reported in Ch 3, App 4, [4.4], is assigned with a value of tabular freeboard which can be reduced up to 100 per cent of the difference between the "B" and "A" tabular values for the appropriate ship lengths.