22/03/18 OY-GPS P68

[jargon]

APPEARS TO BE CURRENTLY 'SURVEYING' TO THE WEST AND NORTH WEST OF WORPLESDON

[lordevanelpuss]

This is showing on Flightradar 24 as 'BIO02' and has been working it's way down the country, certainly from the Oxford / Northants area downwards.
It's currently working over the Aldershot area.