I found this at the site:
"MagSafe Airline Adapter
Out of power in flight? Plug your MacBook into the new MagSafe Airline Adapter and get back to work (or play)."
the link goes to here:
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore?productLearnMore=MA598Z/A
The link is goes to the "We'll be back soon" store page
What the heck is a MagSafe Airline Adaptor?
They've sold this for months. It' lets you get power from some aircraft seats. Normally only on medium to long haul, sometimes not available in cattle class.