4 Pilots Grounded After Vietnam Airlines Boeing 787 Hits Airbus A321 … Boeing 787 Dreamliner and an Airbus A321, also operated by … of a stationary Vietnam Airlines Airbus A321, registered as VN- … the vertical stabilizer of an Airbus A321, preparing to depart … Chi Minh City, while the Airbus A321 was transporting 127 passengers …