>>14559075 lb
some phones were in certain airframes and airlines at or before that time. there'd be a record of change on that for any airframe for the addition of equipment, weight, etc. and a AP signature all going to FAA too.
UA seems to be late into that market from what anon saw, oh, and the background noise was unmistakable on both ends. the roar of a turbofan on reverb would've done Jimi proud.