[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR178.420]

[Page 240-241]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 178_INTACT STABILITY AND SEAWORTHINESS--Table of Contents
 
                   Subpart D_Drainage of Weather Decks
 
Sec. 178.420  Drainage of cockpit vessels.

    (a) Except as follows, the cockpit on a cockpit vessel may be 
watertight:
    (1) A cockpit may have companionways if the companionway openings 
have watertight doors, or weathertight doors and coamings which meet 
Sec. 179.360 of this subchapter.
    (2) A cockpit may have ventilation openings along its inner 
periphery if the vessel operates only on protected or partially 
protected waters.
    (b) The cockpit deck of a cockpit vessel that operates on exposed or 
partially protected waters must be at least 255 millimeters (10 inches) 
above the deepest load waterline unless the vessel complies with:
    (1) The intact stability requirements of Sec. Sec. 170.170, 
170.173, 171.050, 171.055, and 171.057 in subchapter S of this chapter;
    (2) The Type II subdivision requirements in Sec. Sec. 171.070, 
171.072, and 171.073 in subchapter S of this chapter; and
    (3) The damage stability requirements in Sec. 171.080 in subchapter 
S of this chapter.
    (c) The cockpit deck of a cockpit vessel that does not operate on 
exposed or

[[Page 241]]

partially protected waters must be located as high above the deepest 
load waterline as practicable.
    (d) The cockpit must be self-bailing. Scuppers or freeing ports for 
the cockpit deck of a cockpit vessel must:
    (1) Be located to allow rapid clearing of water in all probable 
conditions of list and trim;
    (2) Have a combined drainage area of at least the area required by 
Sec. 178.450 of this part; and
    (3) If the deck is less than 255 millimeters (10 inches) above the 
deepest load waterline of the vessel, be fitted with non-return devices.