Global Infrastructure Partners, an infrastructure investment fund making equity and selected debt investments, completed the acquisition of Signature Aviation, a provider of air transport support services, for $4.6bn. "We believe that the offer from GIP represents an attractive and certain value in cash today for Signature Shareholders, reflecting the high quality of the business and its network, its people and its future prospects. The Signature Directors believe that the proposal provides clear benefits to Signature Shareholders and GIP's operational and financial resources will generate enhanced opportunities for our employees, and ensure continued high-quality, full-service flight support for B&GA travel," Nigel Rudd, Signature Chair.