happened to us. he was our only son. reporter: and leaves behind not just his wife but a 10-year-old son, hans, who told his grandfather he said don t worry, i am here. i will take over from your son. he said i am now the man of the house. you can tell what s coming, can you? the head of the flight attendants union in malaysia says the unprecedented, to disasters for one airline just months apart, have shaken flight crews to the core. it really hits you really deep. and seeing the faces of the people that you know, the friends that you flew with for the past many years ago and some who called me just before that flight. reporter: sandu s parents say after this crash their daughter-in-law may never be able to fly again she left a public message for her husband in chinese on facebook. we know you are gone and you won t be coming back. i wish you a safe journey, and i
reporter: this is a crash that should never have happened, and sanjid singh s son sandu should not have been aboard. he was not supposed to be on. and he swapped his flight just to be back home. reporter: sandu took another flight attendant s spot, trying to get home early to see his parents. fate has played a very unfair hand against us. reporter: fate that once favored san duchlt. he and his wife are both malaysia airlines flight attendants. last month she was scheduled to work flight 370. sandu s parents say she swapped shifts at the last minute, so she did not board what would become the missing plane. a brush with death then that has arrived to claim another. are you angry? internally, we are angry, yes. we are angry that this thing
know you will go to a much better place. but there s no such comfort for sandu s parents. i beg the rebels to please be human for one reason. at least release the bodies. they want to fight, they can go ahead fighting. reporter: but at least give these families some measure of peace. kyung lah, cnn, panang, malaysia. okay. the world s aids research community is also reeling from the loss of malaysia flight 17. six of the passengers on the downed airliner were bound for the 20th international aids conference in melbourne. delegates mourned their colleagues loss at the conference s opening ceremony. for the next minute let our silence represent our sadness, our anger, and our solidarity.