46 C.F.R. § 119.520
(a) Each vessel must be provided with bilge pumps in accordance with § 56.50-55 in subchapter F of this chapter, with the following exceptions:
(b) In addition to the requirements of paragraph (a) of this section, a vessel of not more than 19.8 meters (65 feet) in length must have a portable hand bilge pump that must be: