1.Vessels and convoys shall be able to stop facing downstream in good time while remaining adequately manoeuvrable.
2.Where vessels and convoys are not longer than 86 m and not wider than 22.90 m the stopping capacity mentioned above may be replaced by turning capacity.
3.The stopping capacity shall be proved by means of stopping manoeuvres carried out within a test area as referred to in Article 5.03 and the turning capacity by turning manoeuvres in accordance with Article 5.10.