Ensure proper ventilation aboard your boat and be aware of the
possibility of carbon monoxide poisoning (Figure 2.4). Keep your
boat in safe operating condition. Periodically inspect the hull, engine
and engine compartment, and all other equipment.
CHECKLISTS
Each Trip
• Make sure all exhaust clamps are in place and secure.
• Look for exhaust leaking from the exhaust system components
evidenced by rust and/or black streaking, water leaks, or cor-
roded or cracked fittings.
• Inspect rubber exhaust hoses for burned or cracked sections. All
rubber hoses should be pliable and free of kinks.
• Confirm that water flows from the exhaust outlet when the
engines and generator are started.
• Listen for any change in exhaust sound which could indicate a
failure of an exhaust component.
• Test the operation of each carbon monoxide detector by press-
ing the test button.
Note: Do not operate the vessel if any of these problems exist.
2-10
Figure 2.4 Desired Ventilation Through the Boat
DANGER: Hull exhaust from your boat while underway can
cause excessive accumulation of carbon monoxide within the
cabin and cockpit areas when using protective weather cover-
ings. Provide adequate ventilation when the canvas top, side
curtains, and/or back curtains are closed. (Figure 2.3)
Figure 2.3 Exhaust Accumulation While Canvas is in Place
DANGER: Generator or hull exhaust from other vessels
alongside your boat, while docked or anchored, can emit car-
bon monoxide and cause excessive accumulation within the
cabin and cockpit areas. Be alert for generator exhaust from
other vessels alongside. (Figure 2.2)
Figure 2.2 Exhaust Fumes from Vessel Alongside
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