Emergency Response Flashcards

Under US regulations, immersion suits must be donned within what time limit during a drill?

Answer: 2 minutes

46 CFR requires that crew members be able to don immersion suits within 2 minutes, including putting on the suit over clothing.

A vessel's fixed CO2 firefighting system is to be activated. What must happen BEFORE releasing CO2 into a machinery space?

Answer: All personnel must be evacuated and the space must be sealed

CO2 displaces oxygen and is lethal; all personnel must evacuate and the space must be secured before discharge to prevent fatalities.

What is the term for the area around an EPIRB signal where search and rescue authorities will concentrate their initial search?

Answer: Datum

The datum is the most probable position of the search object at a specific time, calculated by SAR coordinators from the EPIRB position accounting for drift.

Which firefighting agent is most effective and approved for use on a Class B (flammable liquid) fire aboard ship?

Answer: AFFF (Aqueous Film Forming Foam)

AFFF creates a film that smothers flammable liquid fires by separating fuel from oxygen and preventing re-ignition.

During heavy weather, a crew member is washed overboard. The vessel's speed is 15 knots. What is the FIRST maneuver recommended by the Williamson Turn?

Answer: Put the helm hard over to the same side as the person fell and reduce speed

The Williamson Turn begins with helm hard over toward the side the person fell, eventually reversing course to return on the reciprocal track.

What information must be included in a MAYDAY call?

Answer: Vessel name, position, nature of distress, number of persons aboard, and any other useful information

ITU regulations specify that a MAYDAY call must include vessel identification, position, nature of distress, persons aboard, and any other relevant information.

The International Code flag 'O' (Oscar) displayed by a vessel at sea indicates:

Answer: Man overboard

Flag Oscar (O) is the international signal for 'man overboard,' alerting nearby vessels to the emergency.