5/5 The job with the highest pressure at NATS is keeping everyone safe in London's airspace.
4/5 Racing champion Martin is preparing to compete for the Schneider Trophy.
3/5 For many recreational pilots, uncontrolled airspace is a place of freedom and adventure.
2/5 Air traffic controllers guide a passenger jet with a major fault back to the ground.
1/5 A look at how our skies are safeguarded.