Do this as soon as you take your seat to make your flight safer.
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My pilot training brought home how important it is to move as quickly and surely as possible in the event of an evacuation. As a result, this is this first thing I do as soon as I take my seat:
I count the rows ahead and behind me to the emergency exits. I do this so even if the cabin is dark, filled with smoke, or upside down, I can count the number of seats by touch to reach the emergency exit row. I note the exits in both directions in case the aisle to the closest one is blocked.
What else do I do to increase my chances of safely evacuating?
I keep comfortable shoes on when flying. (I don’t want to have to evacuate in socks or heels.)
I carry a small flashlight, separate from the one on my phone. (Imagine trying to exit a dark cabin with a group of panicked people.)
I have a “go bag” in my carryon: a small messenger bag I can sling over my shoulder should I have to evacuate. In it is my phone, passport, credit cards, and prescriptions. It’s all I would grab, leaving the rest. (I’m always a bit shocked to see people slowly evacuating a plane pulling/carrying heavy luggage. I’d have grabbed my go bag, left my rollaboard, and beat feet out of there!
Twist’s Take: For safety’s sake, count the rows in both directions to the emergency exit as soon as you take your seat on the plane.