Statutory Documents - MCA Publications - PYC - A Code of Practice for Yachts Carrying 13 to 36 Passengers (The Passenger Yacht Code) - Chapter 2 - Load Lines - 2.10 Air Pipes:
2.10 Air Pipes:
(1) Subject to the provisions of section 4.19(3), where air pipes to ballast and other tanks extend above the freeboard or superstructure decks, the exposed parts of the pipes shall be of substantial construction and the height of the air pipe from the deck to the point where water may have access to the space below shall be at least 760 millimetres on the freeboard deck and 450 millimetres on the superstructure deck.
(2) Where these heights may interfere with the working of the ship, a lower height may be approved, provided that the Administration is satisfied that the closing arrangements and other circumstances justify a lower height.
(3) Air pipes shall be provided with automatic closing devices.
(4) In applying this section due regard shall be had to section 4.19(3) of the Code.
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