Summary
A THY Boeing cockpit crew witnessed a metallic silver disc flying parallel to their aircraft at 36,000 feet for 40 seconds.
Detail report
During an international flight between Osaka and Istanbul at an altitude of 36,000 feet (11,000 meters), THY Captain Pilot İbrahim Bilir and his crew observed a silver, extremely bright disc-shaped object holding speed on their right flank. After staying parallel for approximately 40 seconds, the object accelerated away at hypervelocity, an incident officially logged with air control channels.