Somewhat off topic, but I have taken to packing my own fire/CO2 detector along with me whenever I am staying in a hotel. It takes up little room in a suitcase and can be bought for $25-$35 at any big box home improvement store. It just adds an additional level of safety. Most of those hotel detectors are smoke only, and who knows how well they're maintained?

Reports are that this boat had smoke detectors, but someone placing one in the sleeping area could have made a difference.
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Brian Brandt