doc is bidding for early warning system for C929 prototype flight testing. I presume that means the first flyable prototype is almost there. Once the prep for the small item is done it will fly. Obviously there may be more than one prototype, and the real thing will come out a bit after all the prototypes. And the real thing itself will need some flight testing. But nevertheless it is very impressive. It shows all the capability is in place, and capable of making a flying plane that size.Really? when ?