If you've flown on a plane, you may have been reminded to open the window shades during takeoff or landing. This seemingly unimportant routine plays a part in ensuring your safety during an emergency.

Add Yahoo as a preferred source to see more of our stories on Google. Flight attendants may require window shades to be up during takeoff and landing for passenger safety. Open windows let passengers ...

If you’ve ever flown on a commercial aircraft, you’ve likely heard flight attendants request before landing, “Please keep your window shades open.” At first glance, it may seem like a minor or even ...