You must carry on your towing vessel both—
(a)
The minimum number of hand-portable fire extinguishers required by subpart of this part; and
(b)
By April 29, 2005, either—
(1)
An approved B-V semi-portable fire-extinguishing system to protect the engine room; or
(2)
A fixed fire-extinguishing system installed to protect the engine room of the vessel.