Three senior officials of a football club were among six people on board a light aircraft that crashed on a golf course in Buckinghamshire.
The Cessna 310 came down in woods close to Denham Golf Course on Saturday.
The pilot, aged 60, was seriously injured. He was taken to hospital with four other men and a boy.
Swindon Town Football Club confirmed three officials were injured in the crash as they flew back from the first match of the season at Hartlepool.
The passengers, aged 53, 52, 45 and 43 and a 10-year-old boy, are all said to be in a stable condition.
All six injured people were taken to Wexham Park Hospital.
A Denham Airfield spokesman said the plane crashed near the airfield at about 1900 BST on Saturday.
A spokesman for Thames Valley Police said members of the public had reported a twin-engine aircraft going down in a wooded area of the golf course.
Air accident investigators have been examining the wreckage of the aircraft and the site remained sealed off on Sunday.