GREENSBORO, N.C. — With spring breaks underway and travel advisories in effect, safety is second to none -- hence why a certain hand signal is 'handing out' reassurance via Instagram.

For these reasons, pilots and ground workers share a standard communicative method of using hand signals. Aircraft ...

The hand signal, now viral on Instagram, involves tucking your fingers over your thumb to reportedly alert someone you need help. To stream 13News Now on your phone, you need the 13News Now app.