We watched as the plane rose vertically, then stopped. It seemed to hang in the air. With a quick tip of the rudder the vehicle swung out like a leaf and flipped onto its back. On the ground there was a light breeze. The grass was damp from rain the previous night. We stood in groups and looked up as the sound of the engine died away. The plane rolled and fell to the ground.
“No flight ever goes the way you want it to,” the pilot had explained in the hangar that morning. “It’s beautiful in that way.”
Paul Bonhomme was born to fly. His father and brother were both commercial pilots. His mother was an air stewardess. His prize-winning plane, the Zivko Edge 540, is a light aerobatic aircraft capable of rolling 420 degrees per second and climbing 3,700 feet in less than a minute. Last week, on a small private airfield in Saffron Walden in Essex, Bomhomme attempted to imitate a flightpath dreamed up by a computer. It seemed impossible, looking at the plans. His model was a procession of twists and somersaults devised by sculptor Richard Wilson to form the basis of his latest work, Slipstream.
In the sculpture world, Wilson is renowned for large, mechanistic works of art, and like his best-known pieces, Slipstream is about transformation. His project 20:50 was essentially a tank of reflective sump oil, now housed in the basement of the Saatchi Gallery . It takes time, upon entering the room on a raised platform above the oil, to realise that the floor isn’t solid. “You’d be arrested if you put a teaspoon of it down the drain,” Wilson said. “It’s hazardous, it’s waste – and yet people come out of that room talking about ‘beauty’ and ‘space’.” Another famous work is Turning the Place Over, for which a section of façade was cut from a neglected Liverpool office block and put on a rotating spindle. 
The building was set for demolition, neglected by those who passed by. Heathrow is not. It is seen regularly. The new Terminal 2 building is expected to host 20 million tourists a year when it is completed in 2014. The courtyard where the sculpture will hang from four central pillars is roughly the same size as the turbine hall at Tate Modern. In 2010 Heathrow set up a competition to invite proposals for the space. Slipstream, the winning entry, is constructed of 23 independent bespoke aluminium sections, weighs 74 tonnes, is 70 metres long and is held together by 3,000 rivets. It is being driven from Hull, where it was manufactured, and is being installed over the summer.
A computer-generated impression of the finished work.
“It’s a metaphor for travel,” Wilson explained, waiting for Bonhomme to take off. “It’ll move and tumble from A to B just as the passengers are doing: they’re getting on a plane and getting off in a very different situation.” And here, if anywhere, is the dark note. Slipstream is a large and expensive piece of public art, but it is not pure ideology. It smuggles in a little of the inhumanity of the long-haul journey: the lack of control, geographical blindness and absence of time felt by passengers who step on board a jet in London and wake up 14 hours later in Hong Kong.
Heathrow has attempted to catch the attention of travellers before, to make them notice the activity around them as they wander through. In 2009, Alain de Botton became the airport’s first Artist-in-Residence. “While punctuality lies at the heart of what we typically understand by a good trip,” de Botton wrote in A Week at the Airport: A Heathrow Diary, “I have often longed for my plane to be delayed - so that I might be forced to spend a bit more time at the airport.” He might be the only one. From the austere grey corridors to the tacky brands, bad attitudes and endless queues, airports are astonishing for their capacity to make us indifferent to the miracle of flight.
Bonhomme landed his gyroscopic jet to dense applause, and with his safe return to earth came the train back to London, to work. Another journalist asked Wilson if he would be going up on the next flight. “I’m not that into flying, actually,” he admitted. “I prefer motorbikes. It takes a few drinks to get me up in the air.”