USCG Exam PracticeFirefighting procedures aboard small vessels
When a fire occurs in a machinery space aboard a small vessel, which combination of actions is required before activating the fixed extinguishing system?
- ✓ Shut off fuel supply and ventilation systemCorrect
- B. Deenergize all electrical systems vessel-wide and close all watertight doors
- C. Maneuver the vessel into the wind and notify the Coast Guard
- D. Don immersion suits and prepare survival craft for launching
Why A is correct
Both 46 CFR §28.265(d)(9)(iv) and 46 CFR §185.512(a)(3)(iv) specify that for a machinery space fire, the mariner must shut off the fuel supply and ventilation system before activating the fixed extinguishing system. Deenergizing the affected space's electrical system is a separate step; deenergizing the entire vessel is not specified.