How long can Silverjet hang on?

Another airline bites the dust, as EOS, the privately-held all business-class carrier that flew between London’s Stansted and JFK has filed for bankruptcy and is flying its last flights today.

The airline, which had said earlier this month that it had closed on a deal that would bring it an additional $50 million in capital — apparently saw that deal evaporate.

Eos’s first flight took place on in October, 2005. The airline purchased three Boeing 757s and reconfigured the 220-seat planes with just 48 business-class seats, which converted into fully flat sleeping quarters.