Earlier in April 2015, Christ Robert was banned from boarding United Airlines flight following his tweet on his skills on hacking planes’ networks. But that stern rejection could not stop him from hacking planes, according to a recent FBI.

He hacked and flew plane sideways!

Once again, Christ Robert, CTO and founder of One World Labs, is in the news for admittedly hacking the communication system of the plane and manipulating the navigation of the plane. He has stated that while he was flying on the plane, he could access the entertainment system of the plane under his seat. He connected the in-flight entertainment system of the plane to his computer and then, modified the code and seized the Thrust Management System using default username and passwords. Roberts has revealed that he has hacked planes more than “15 to 20 times” within the course of 2011 and 2014 by simply plugging an Ethernet wire to the entertainment box that lies under the seat. This time, he has changed the mode of flight of engines into the climb mode and made the plane fly sideways.

According to FBI,

“He [Roberts] stated that he successfully commanded the system he had accessed to issue the “CLB” or climb command,” FBI Special Agent Mark Hurley wrote in the warrant application. “He stated that he thereby caused one of the airplane engines to climb resulting in a lateral or sideways movement of the plane during one of these flights.”

According to the FBI search document released in February 13, 2015, the computer expert has hacked the entertainment systems of Boeing 757s, Boeing 737s and Airbus A-320 aircraft. Roberts is also known to use programs to track air traffic from the cockpit in his inclination of discovering flaws and loopholes insecurity system. His tweet read that “Over last 5 years my only interest has been to improve aircraft security… given the current situation I’ve been advised against saying much.”