5.1.2 Hatchways which are open at sea
Clasification Society 2024 - Version 9.40
Statutory Documents - MCA Publications - MGN 280 - Small Vessels in Commercial Use for Sport or Pleasure, Workboats and Pilot Boats - Alternative Construction Standards - 5 Weathertight Integrity - 5.1 Hatchways and Hatches - 5.1.2 Hatchways which are open at sea

5.1.2 Hatchways which are open at sea

 In general, hatches should be kept secured closed at sea. However, a hatch (other than one referred to in Section 5.2.2) which is to be open at sea for lengthy periods should be:-

  • .1 kept as small as practicable, but never more than 1m2 in plane area at the top of the coaming;

  • .2 located on the centre line of the vessel or as close thereto as practicable;

  • .3 fitted such that the access opening is at least 300mm above the top of the adjacent weather deck at side.


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