Aviation Pay flying allowances by Feb 10 or we won't follow changes in duty roster: Air India pilot unions Updated : February 06, 2019 06:15 AM IST Flying allowance is paid to a pilot on the basis of the number of flight hours he or she has clocked in the month. According to airline sources, the monthly duty roster has to be changed at last minute if a flight crew member does not show up because of various reasons such as health issues. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.