Boingo Wireless customers who are fond of travel will appreciate this: Boingo is partnering with Gogo to extend their roaming coverage to the 1,100 planes equipped with Gogo in-flight internet access. No break in the streaming action. [Boingo]
Yay this means free wifi as both filter purchases from MAC addresses.
So use nmap, ping the subnet range, and replace your MAC with their's.
Do this until you have internet access.
Then manually set the IP address that you were assigned, and surf away!
(do this only for testing, as doing this could be considered stealing)