[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: 46CFR171.117]

[Page 141]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 171_SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS--Table 
of Contents
 
Subpart F_Openings in the Side of a Vessel Below the Bulkhead or Weather 
                                  Deck
 
Sec. 171.117  Dead covers.

    (a) Except as provided in paragraph (b) of this section, each port 
light with the sill located below the margin line must have a hinged, 
inside dead cover.
    (b) The dead cover on a port light located in an accommodation space 
for passengers other than steerage passengers may be portable if--
    (1) The apparatus for stowing the dead cover is adjacent to its 
respective port light;
    (2) The port light is located above the deck that is immediately 
above the deepest subdivision load line;
    (3) The port light is aft of a point one-eighth of the LBP of the 
vessel from the forward perpendicular; and
    (4) The port light is above a line that--
    (i) Is parallel to the line formed by the intersection of the 
bulkhead deck and the side of the vessel; and
    (ii) Has its lowest point at a height of 12 feet (3.66 meters) plus 
2\1/2\ percent of the beam of the vessel above the deepest subdivision 
load line.
    (c) For the purpose of paragraph (b) of this section, the beam of 
the vessel is measured at or below the deepest subdivision load line.
    (d) Each dead cover must be designed so that--
    (1) It can be secured watertight; and
    (2) It is not necessary to release any of the special nuts required 
in Sec. 171.116(f)(4) in order to secure the dead cover.