Originally Posted by
Fortissimo
The area immediately round an airfield (or airport etc) is restricted, without permission you can't fly within
1km including the runway end extensions regardless of traffc levels - see the ENR 5.1 map (
NATS airspace restrictions). Since the airfield would have been BLACK at the time the pic was taken you would have a job arguing the drone was hazarding other aircraft - for which a 5 year prison term is available - but, barring stand-off via optical zoom etc, this drone flight would have been illegal.
Don't know where you got '1km' radius; around Marham there is an ATZ and within this, flights by UAVs are not permitted without permission.
In the case of Marham, the restriction is a circle 2.5nm radius centred on the centre of the main runway and from surface to 2,000ft agl and H24 operation.