▁at ▁Fly d ub ai ." ▁Another ▁employee ▁said ▁it ▁was ▁their ▁belief ▁that , ▁of ▁the ▁ 2 5 ▁active ▁pil ots ▁( out ▁of ▁a ▁total ▁of ▁ 6 0 0 ) ▁who ▁res igned ▁from ▁the ▁air line ▁in ▁ 2 0 1 6 , ▁most ▁had ▁done ▁so ▁because ▁of ▁" f at igue , ▁ro sters ▁and ▁quality ▁of ▁life ." ▁It ▁was ▁the ▁opinion ▁of ▁some ▁of ▁those ▁pil ots ▁that ▁an ▁accident ▁was ▁in ev itable . ▁In ▁response ▁to ▁the ▁alleg ations , ▁Fly d ub ai ▁stated ▁that , ▁" we ▁are ▁unable ▁to ▁disc lose ▁confident ial ▁information ▁rel ating ▁to ▁our ▁employees ." ▁ ▁A ircraft ▁ ▁The ▁aircraft ▁involved ▁was ▁a ▁five - year - old ▁Bo eing ▁ 7 3 7 - 8 K N , ▁registered ▁as ▁A 6 - FD N , ▁MS N ▁ 4 0 2 4 1 , ▁power ed ▁by ▁two ▁CF M ▁International ▁CF M 5 6 ▁engines . ▁Its ▁first ▁flight ▁was ▁on ▁ 2 1 ▁December ▁ 2 0 1 0 , ▁and ▁it ▁was ▁delivered ▁to ▁Fly d ub ai ▁on ▁ 2 4 ▁January ▁ 2 0 1 1 . ▁The ▁aircraft ▁had ▁passed ▁a ▁C - grade ▁maintenance ▁check ▁on ▁ 2 1 ▁January ▁ 2 0 1 6 . ▁ ▁Fl ight ▁ 9 8 1 ▁carried ▁enough ▁fuel ▁for ▁ 8 . 5 ▁hours ▁of ▁flight ; ▁it ▁had ▁been ▁flying ▁for ▁six ▁hours ▁prior ▁to