777-9 N779XW scheduled for taxi testing May 21, sometime in the afternoon.
FedEx 767 N183FE initial engine run.
WestJet 787-9 C-GKKN on the flightline.
KC-46A 18-46047 touch and go on a functional check flight from Boeing Field.
Fuzhou Airlines 737 N40215 touch and go on a B1 flight from Renton.
Southwest Airlines 737 line 7889 touch and go on a B1 flight from Renton.
Juneyao Airlines 787-9 B-20EC.