There was no" voltage drop spike".
What happened was at 9: 01.2, a message appeared that read:
Aircraft battery level low. Return to home promptly (Code: 1B030014)
At the time, the drone was 3.5 miles away and the battery levels were quite...
It's just more mush like everything else you post here.
There's nothing anyone can see except a bright light against a dark background.
I guess that proves that your country is being invaded by space aliens?