In a 29-page ruling, they said: "We conclude that each of the grounds of appeal raised by each appellant is unarguable. We also consider that there are no other compelling reasons for either appeal to be heard." Gatwick is the UK's second busiest airport and one of the busiest single-runway airports in the world. We took this challenge as far as we could because we believed that the decision to allow Gatwick to expand was fundamentally flawed. Cagne said: "Residents should be immensely proud of what they have achieved in holding Gatwick Airport's shareholders to account.