What's the Key Here?

A team of sky divers were going to jump out of a plane at twenty five thousand feet. They took these incredible light bulbs, ones that are used to help airplanes land and divided them like a candy cane. Almost half of the light bulb is is t white color, the natural light coming through, and the other half is is red. That's what luke akins was looking for as he jumped out of this airplane sor u a off. He was looking for that beacon of white, and that's where he would find his safety net....