Two drones are being flown for comparison of surveying results from both, and to check out various new systems on the larger drone. Both drones are custom-built: The larger drone i s based on a DJI S1000+ with A3 Pro flight controller and multiple IMUs. It also has a RTK GNSS system fitted. The camera ship chase drone is based on a DJI S900.
As you can see it was a very windy day and was raining again! Oh well - welcome to flying in the UK. We had had enough by the end of the day. Dean and Harry were the pilots. Testing is ongoing....