Sightseeing charters have more than doubled in two years for London Helicopter Centres, according to operations manager Meinard van Toulon.

The charter operator, which is based in Redhill, Surrey, currently handles 12 to 15 flights per week, providing helicopter transportation services for popular events including the horse racing at Cheltenham and Ascot and Formula 1 in Silverstone.

Helicopters in the company's fleet include the Eurocopter EC120, AS350, AS355 and Agusta A109.