[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR183.110]

[Page 839-840]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 183--BOATS AND ASSOCIATED EQUIPMENT--Table of Contents
 
 Subpart F--Flotation Requirements for Inboard Boats, Inboard/Outdrive 
                           Boats, and Airboats
 
Sec. 183.110  Definitions.

    For the purpose of this subpart:
    Bilge means the area in the boat, below a height of 4 inches 
measured from the lowest point in the boat where liquid can collect when 
the boat is in its static floating position, except engine rooms.
    Connected means allowing a flow of water in excess of one-quarter 
ounce per hour from the engine room bilge into any other compartment 
with a 12 inch head of water on the engine room side of the bulkhead.
    Engine room bilge means the area in the engine room or a connected 
compartment below a height of 12 inches measured from the lowest point 
where

[[Page 840]]

liquid can collect in these compartments when the boat is in its static 
floating position.
    Engine room means the compartment where a permanently installed 
gasoline or diesel engine is installed, including connected 
compartments.
    Open to atmosphere means a compartment that has at least 15 square 
inches of open area directly exposed to the atmosphere for each cubic 
foot of net compartment volume.
    Sealed compartment means an enclosure that can resist an exterior 
water level of 12 inches without seepage of more than one-quarter fluid 
ounce per hour.

[CGD 77-145, 43 FR 56858, Dec. 4, 1978, as amended by CGD 82-010, 48 FR 
8273, Feb. 28, 1983; CGD 85-098, 52 FR 19728, May 27, 1987; CGD 96-026, 
61 FR 33670, June 28, 1996; USCG-1999-5832, 64 FR 34716, June 29, 1999; 
USCG-1999-5151, 64 FR 67176, Dec. 1, 1999]