New to database, just completed a test flight.
Seen departing BFI as "Malaysia 5403" was this nearly all white 737-8H6.
Converted from 94-0336
United States Army Air Ambulance Detachment Lakota based out of Yakima, WA.
Dubai based CL60 departing for Iqaluit Airport (CYFB).
Arriving at BFI on Runway 31L.