4 Manoeuvring Characteristics in Shallow Water
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.601(15) – Provision and Display of Manoeuvring Information on Board Ships – (Adopted on 19 November 1987) - Annex - Recommendation on the Provision and Display of Manoeuvring Information on Board Ships - Appendix 3 - Manoeuvring booklet - 4 Manoeuvring Characteristics in Shallow Water

4 Manoeuvring Characteristics in Shallow Water

4.1 Turning circle in shallow water (estimated)

  4.1.1 Turning circle in the full load condition (stern track to be shown)

  4.1.2 The initial speed of the ship should be half ahead

  4.1.3 Times and speeds at 90°, 180°, 270° and 360° turning should be specifically shown, together with an outline of the ship

  4.1.4 The rudder angle should be the maximum and the water depth to draught ratio should be 1.2

4.2 Squat (estimated)

  4.2.1 Curves should be drawn for shallow water and infinite width of channel, indicating the maximum squat versus ship speed for various water depth/draught ratios

  4.2.2 Curves should be drawn for shallow and confined water, indicating the maximum squat versus speed for different blockage factors


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