{"operation":"document","citation":"49 CFR 176.180","title":"Watchkeeping.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"Whenever Class 1 (explosive) materials are on board a vessel in port, there must be sufficient crew on board to maintain a proper watch and to operate the propulsion and firefighting equipment in case of an emergency.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-176-180.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-176-180.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-176-180","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-176.180","body":"Whenever Class 1 (explosive) materials are on board a vessel in port, there must be sufficient crew on board to maintain a proper watch and to operate the propulsion and firefighting equipment in case of an emergency.","truncated":false,"body_characters":217}