Pilots across the world risk their lives in the lucrative but high-stakes ferry flying industry.

These are men and some women who deliver small planes across oceans and continents; distances these aircraft were not designed to fly.

Pilot Dave Henderson has made almost a hundred transatlantic crossings in light aircraft, sometimes in extreme conditions.

BBC News went to meet Mr Henderson at Retford Gamston Airport and got a rare insight into the largely hidden world of ferry flying.

Video produced by Suzannah Reid and Poonam Taneja

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