When Kevin Anjanette is reaching for a taser on the floor of the plane, the close-up is of a white hand.
The disc that is mistakenly erased cannot be a CD-RW because when the label was peeled, it said "CD-R" and the bottom of the disc was blue which is used in Azo and Cyanine CD-R dyes, while CD-RW discs use a crystalline compound that looks silver or metallic gray.