logo fly540Five Forty Aviation Ltd, trading as Fly540, is a low-cost airline based in Nairobi, Kenya. It currently operates domestic and international passenger and freight services, but in 2012 Fly540 was sold to form the basis of the new pan-African airline Fastjet, and its services are expected to be migrated to Fastjet over time.
Fly540 started operations between Nairobi and Mombasa in 2006. International operations commenced in 2007.
Source: Wikipedia