Until it loses video transmission, transmitter/receiver transmission, or runs out of power to maintain lift, an FPV drone can fly as high as it can.
Another theory about FPV drone height is that there comes a moment where the battery will run out of juice and start to drop, and at the very end, even with a redesigned battery pack, the air will be too thin to support lift.
Since the height will vary depending on the drone, it is important to think about how or what might occur. include the drone’s dimensions, weight, battery capacity, and even propeller pitch. One may fly higher than the other, hence it is impossible to define a specific altitude.
What do you think about it?