I’m not sure if this is a commonly known fact but I didn’t know it myself so I asked an air hostess as I used to find it annoying to be woken up and raise windows etc
Anyway, the reason we are asked to do is because passenger alertness can make a huge difference in averting crucial accidents/tragedies. A simple 80-20 will reveal that 80% of all accidents happen either during take off or landing (that percentage will be higher with modern technology making sure that planes don’t crash in space) and passenger alertness has apparently been known to avert tragedies..
In short, we are being woken up from slumber to make sure we are alert and ready in case a crisis comes along.
This reasoning explains why lights are switched off when taking off/landing. Again, if there is a crisis, it is so we are used to the dark.
:)
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When I look at this post again, I realize how boringly geeky (not the computer kind) it can seem to find logic/reason behind an action that can easily be ignored. The other way to look at it is that it’s good to understand why things are the way they are..
Well.. here’s to curiosity then!
