However unlikely, it means that if something goes wrong and authorities get involved, after market accessories fitted to a class marked drone would take it outside of the classification system, which might void any insurance and would certainly...
Here is the relevant section of the drone code on the CAA website.
https://www.caa.co.uk/drones/getting-started-with-drones-and-model-aircraft/drone-code/where-you-can-fly-points-3-to-9/
If I want to fly legally in built up areas over people I have to fly an under 250g legacy, C0 or C1 classed drone. Because of the way that the CAA and EASA take the manufacturers specifications the moment you add ANYTHING that isn’t in the...