With many thanks to John Eacott for his trouble, the original images are very low res, so its not Johns fault they are a bit rough round the edges!
B206 at Hatfield UK
RAF Chinook at Alconbury UK
RAF Chinook at Middle Wallop UK
Gazelle at RAF Cottesmore
Gazelle at Middle Wallop UK
A sort of more sporty helicopter, SHAR at Hatfield UK