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TITLE 46 - SHIPPING
CHAPTER I - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
SUBCHAPTER Q - EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL
PART 161 - ELECTRICAL EQUIPMENT
161.013 - 9 - Independent power source.
(a) Each independent power source must be capable of powering the light so that it meets the requirements of 161.0133(a)(1) and emits a recognizable flash characteristic of the International Morse Code for S-O-S at a rate of between 3 and 5 times per minute after six hours of continuous display of the signal.
(b) If the independent power source is rechargeable, it must have a waterproof recharger designed for marine use.
(c) If the independent power source requires external water to form an electrolyte, it must operate in sea water and fresh water.
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