Since you're replying to a question about tracking fixed wing it's worth mentioning that their range can be well over 1000 miles as some of the Iranian Shahed drones have a range of almost 1600 miles.
That's a 400 lbs, 11 ft by 8 ft UAV powered by a 50 hp gasoline piston engine. It's half the size of a Cessna 172 and makes a similar noise, observers would for sure classify it as an airplane.
Since you're replying to a question about tracking fixed wing it's worth mentioning that their range can be well over 1000 miles as some of the Iranian Shahed drones have a range of almost 1600 miles.