Boris Johnson wants a plane as PM's is rarely available – and too grey This article is more than 2 years old Foreign secretary says department needs an aircraft to boost UK… Why are leaders' aircraft so controversial, asks Jon Kelly. Prime Minister David Cameron and senior ministers are to get their own plane for official trips. The official office and residence of the UK Prime Minister, 10 Downing Street, announced the hospitalisation late Sunday, an hour after the British head of state Queen Elizabeth II addressed the nation from Windsor Castle. The prime minister and other senior ministers are to get their own plane for official trips. Former UK prime minister David Cameron’s bodyguard leaves loaded gun in plane toilet. Unlike the US President, the British Prime Minister does not have an official aircraft like Air Force One. An RAF Voyager A330 air-to-air refuelling aircraft will be refitted at a cost of about £10m. A passenger found a loaded pistol and David Cameron's passport in an airplane toilet after the former British prime minister's bodyguard forgot them there, the British …