Many planes have small, black triangles above certain windows. Flight attendants use these windows to perform safety checks.

S ome flyers don't really think about how a plane works and what each feature does or means. They just sit down, buckle up, and get to where they are going. Others, however, enjoy learning all the ...

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.