International air travellers on a few select airlines will be able to surf the Web at 35,000 feet from next year, but questions remain over how eager passengers and carriers will be to pay for sky-high email.
Commercial aircraft giant Boeing expects to announce its first customers for its ``Connexion by Boeing'' service at the Paris air show later this month.
Tenzing Communications, which offers a cheaper-to-install, more modest technology, already has several customers putting the service on a portion of their fleets.
Tenzing could also name more customers in Paris and Boeing arch-rival Airbus is reportedly set to take a stake in Tenzing as part of a strategy to extend its competition with Boeing to in-flight Internet.
