As a high-flying businessman, it is no surprise that David Fishwick regularly takes to the skies above his native Lancashire. He holds a licence to fly both a light plane and a helicopter and his hobby is now an essential part of his working day.To avoid all the motorway jams and hold-ups, he regularly flies around the country to check out fleets of vans, minibuses and minicoaches. David's first forays into business came about when he started