Interesting to note that none of the people who witnessed the crash heard anything unusual in the engine note. They did see plenty of other clues.
The ATC guy dialled 999 before it hit the ground and at least two people were running towards it well before it hit. An AAIB inspector was on the airfield at the time.
The people on the ground at Popham were superb and the folks inside were lucky. However, the passenger is very unlikely to be welcomed into Popham again after selling his photos and sensationalist story.