Airline passengers may soon be able to wile away the air miles with in-flight gambling if low-cost carrier Ryanair’s latest cash-generation scheme becomes reality.

Dublin-based Ryanair, which has hit the jackpot by charging passengers for food, baggage and movies, said on Tuesday gambling on board its planes may be the next big thing.

Chief Executive Michael O’Leary said the usual government restrictions on European land-bound gambling operations were unlikely to apply in the air.

“I don’t know who would stop you. It is like duty-free; you are in international waters,” he told reporters.

While it is some time away, O’Leary said the technology does exist to adapt the airline’s new in-flight entertainment systems for the use of gambling with credit cards. He described the revenue potential as “enormous.”

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