il a volé pour la deuxième fois le 28 septembre.
2 #COMAC aircraft flew on 9/28, #C919 had a 2nd test flight & an #ARJ21 prepared for delivery to Chengdu. No sibling rivalry, just love! pic.twitter.com/NCZ9EE6TIt
— COMAC America Corp. (@COMACAmerica) 29 septembre 2017