The Air India Express flight from Dubai with 190 people on board crash-landed at Kozhikode airport at 7:40 pm last evening. Pilot and CO-Pilot died in the accident, along with them 18 passengers lost their lives. 22 of them are in critical condition. Aviation expert Praful Bakshi while talking to Aaj Tak said if the weather was not good then aircraft need not be landed and diverted to another airport. Praful Bakshi explains what is a tailwind. Watch the video to know more.