Just visibility & accessibility. Checked baggage is packed in tightly along with other combustibles. If you start a fire in the hold, it'll spread too quickly

Just visibility & accessibility. Checked baggage is packed in tightly along with other combustibles. If you start a fire in the hold, it'll spread too quickly to detect, let alone extinguish. https://aviation.stackexchange.com/questions/9626/is-it-possible-to-access-the-baggage-compartment-in-flight https://aviation.stackexchange.com/questions/9626/is-it-poss...