Image Credit: NurPhoto via Getty Images Aviation incidents have concerned Americans since the beginning of the year. From plane crashes, infernos and aircraft malfunctions, travelers have grown wary over flying both commercial and private planes. To make matters worse, an arrest was conducted onboard a Delta Airlines flight on July 26. The co-pilot of the flight was handcuffed and taken away by police and Homeland Security agents after the plane arrived at San Francisco International Airport (SFO). Below, find out why the co-pilot was arrested and more updates about the shocking incident.