personal recording unit.
normal, infrared, ultraviolet, stereoscopic lenses, digital microchip good for thousands of hours of recording, state of the art, very tough, casting good to 15,000 degrees plus or minus.
well, sir.  the thinking was.
the thinking was that even if the passenger were to encounter conditions that were.  extreme.  there still might be a chance to retrieve the helmet.
lightweight, easily concealable.
 and good for approximately one thousand uses.