David Cameron has launched an aggressive lobbying campaign to sell Eurofighter Typhoon jet fighters to the UAE raising British hopes that BAE Systems could pinch a $10bn deal from its French rival.

The prime minister is due to travel to the Gulf before next week’s Dubai air show amid government optimism that the Typhoon – built by BAE, EADS and Finmeccanica, and financed by the UK, Germany, Italy and Spain – will prevail.

“It’s looking good for us. The question is whether it can be signed at Dubai or whether there will need to be a last-minute push there to get us over the line,” said one senior Conservative. […]