Aircraft Equipment Problem Critical
Flight Crew Returned To Gate; Flight Crew Rejected Takeoff; General Maintenance Action
Aircraft
FO PFD Displayed a red X on the ALT tape at 56 KTS. We aborted takeoff on runway; returned to the gate and called Maintenance. Everything was handled per SOP. ADC malfunctioned during takeoff roll.
EMB145 First Officer reports a rejected takeoff due to a red X on the altitude tape at 56 KTS.