Cambridgeshire Police said that the man who died was in his early 50s. The other man is in his 20s.
The Peterborough Telegraph newspaper said the dead man was 53 and from London while the survivor is 28 and from France.
They reportedly collided about 50 feet above the ground.
More top news
Daily Dose, a short summary of the day's election campaign stories.
Atlantic frontal systems will spread rain across the UK overnight, turning to showers as the night goes on.
And we’re off! All aboard the big-blue-battle-bus, union flag fluttering and a typically dry election slogan stretching across the side.