That’s the back of Jake Key’s head. The bright sunlight changes the color to look reddish to the camera. Watch the video just before the left to right shift by Puente. You can see the sunlight move up the cabin washing out the colors.
Not a mannequin.
A mannequin in the midst of a proven fraud, from which Fuddy was extracted, being replaced by a tall, skinny diver. You're on the wrong team, 4Zoltan!
How did Jake grow a ponytail between the time of that image and the time he sat on the wing?
When Jake’s head was shown on the aisle side of the neckrest he had a lot of dark, straight hair sticking out underneath his cap. Where did it all go in such a short time?