A false hijack alert created a real scare for security agencies and the 306 people on board Air India’s Frankfurt-Delhi flight on Wednesday, with the Boeing 787 getting diverted to Jaipur as a result where everyone had to wait for hours before they could fly to their destination. It is reliably learnt pilots operating the flight, AI 2030, did not squawk the code 7500 used to convey a hijack or unlawful interference, which has to be punched on a keypad like four letter code to unlock phones.