Emirates Spinnaker Tower five years, repainting and rebranding the tower in the sponsor's choice of colours and logos and new signage to be installed "no later than July 17" ahead of the 2015 America's Cup World Series. Dubai-based airline Emirates was reported to be the favoured sponsor, with the tower to be renamed as the Emirates Spinnaker Tower. On 5 June 2015, the city council confirmed that Emirates had been secured as the sponsor. Councillor Luke Stubbs said: "It's clearly a very good deal for the city and shows the benefit that Portsmouth is deriving from the America’s Cup... This also associates Portsmouth
Spinnaker a tight reaching sail, that was developed in the Whitbread Round the World Race by Robert "Hooky" Hook for Paul Cayard's successful EF Language. In that race it replaced the jibs for light upwind work in addition to many off wind angles. The luff is as straight as possible, and the sail is flatter than other asymmetric spinnaker. Due to the flatness of the code 0, it is usually made with a high modulus luff line for supporting strength, and of a heavier, less stretchy fabric than normal for a spinnaker. Due to the tight luff and flat cut, the