A vessel of more than 19.8 meters (65 feet) in length carrying more than 600 passengers or with overnight accommodations for more than 49 passengers must have:
(a) Two generator sets;
(b) An electrical power system that complies with the requirements of Sec. Sec. 111.10-4, 111.10-5, and 111.10-9, in subchapter J of this chapter;
(c) A final emergency power source, as defined by Sec. 112.01-20 in subchapter J of this chapter, with sufficient capacity to power the loads listed in Sec. 112.15-5 in subchapter J of this chapter for three hours; and
(d) The final emergency power source located outside the machinery space. [CGD 85-080, 61 FR 928, Jan. 10, 1996, as amended by 62 FR 51352, Sept. 30, 1997; USCG-2011-0618, 76 FR 60754, Sept. 30, 2011]