{"data":{"id":"us/46-cfr-161.013-9","jurisdiction":"us","citation":"46 CFR 161.013-9","heading":"-9 Independent power source.","body":"(a) Each independent power source must be capable of powering the light so that it meets the requirements of § 161.013-3(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.\n(b) If the independent power source is rechargeable, it must have a waterproof recharger designed for marine use.\n(c) If the independent power source requires external water to form an electrolyte, it must operate in sea water and fresh water.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER Q—EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL","PART 161—ELECTRICAL EQUIPMENT","Subpart 161.013—Electric Distress Light for Boats"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"bed034aa4d73f102f98a87fb14bb352e6c7b182017c6bff68c4337f00f8177f3","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-161.013-7","next":"us/46-cfr-161.013-11"},"notice":"GroundRules: Original legal text. Not legal advice."}