{"data":{"id":"us/49-cfr-176.176","jurisdiction":"us","citation":"49 CFR 176.176","heading":"Signals.","body":"When Class 1 (explosive) materials are being loaded, handled, or unloaded on a vessel, the vessel must exhibit the following signals:\n(a) By day, flag “B” (Bravo) of the international code of signals; and\n(b) By night, an all-round fixed red light.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 176—CARRIAGE BY VESSEL","Subpart G—Detailed Requirements for Class 1 (Explosive) Materials"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"420ea86b0a2b37347e33bd5e26a724b649532d69496a9d5b4c7e0aabea542d1f","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-176.174","next":"us/49-cfr-176.178"},"notice":"GroundRules: Original legal text. Not legal advice."}