Private jets still flying high in economic downturn
21 May 2013 Last updated at 09:40 BST
The Learjet aircraft celebrates its 50th anniversary in 2013, as a brand which has come to symbolise luxury air travel.
Private jets are seen as a badge of the rich and famous, or wealthy business traveller - but is this extravagant mode of transport coping in the global economic slump?
Aaron Heslehurst has been finding out.