Sudhir Chaudhary: Why is the MIG-21 called a flying coffin?

On Thursday night, a MiG-21 of the Indian Air Force crashed near Barmer in Rajasthan, killing both the pilots. In this incident of the MiG-21 crash, not only one fighter aircraft has been damaged, but the country also lost two of its brave and young fighter pilots and MiG-21 has once again proved to be an air coffin. Why is the MIG-21 called a flying coffin, what are the reasons for their accidents? Watch this exclusive analysis by Sudhir Chaudhary in this video.