I think China erred by sending such a large balloon that was visible to the naked eye, causing the American public to demand it be shot down. There's no hard rule about where national airspace ends and space begins.. a lot of times they fly too high for planes to reach, and under certain circumstances balloons are allowed through national airspace.. so if the balloon isn't causing a problem (like being a hazard to ai…
[flagged]
- the balloon was required to file a flight plan or have an ADS-B transponder
- the balloon did not file a flight plan or have an ADS-B transponder
So either the balloon's operator didn't know about the requirements, which seems unlikely given its apparent sophistication, or the operator was deliberately hiding the presence of the balloon, in which case I think it's reasonable to call it a spy balloon.