Here is a link to a video taken this afternoon of JetBlue flight 283 landing on rwy 25R: http://www.youtube.com/watch?v=8jI5I3JmWbQ
It has been reported that Gulfstream G550 B-KCK (c/n 5228) delivered from LGB via Luton, England. The plane departed at 5:57pm local. Any confirmation is welcome.
Tail numbers noted on the Gulfstream ramp: N748GA (green, c/n 5248), B-KCK (c/n 5228)