I took my XSP out to fly once, as it had been dormant for quite some time....as I own 2. This flight took place within 50 miles of the last mission. It was very late in the day, close to dark, but, reasonably light enough to finish a flight just before sundown.
I sat it down, fired it up, waited for GPS lock, then took off. Flew around for awhile, then, being lazy, just hit RTH, while packing up. This is where the fun began. It took off on me, about 170 degrees off course. It made it past the treeline, and was out of site before I knew it. I put it into atty mode, as it wasn't responding to stick input at all in GPS mode. It was too dark to see in the video feed where I was, and was battling a pretty strong wind, up at 400 feet. I knew I had to drop altitude quickly, but, also was drifting away from range very quickly. I had to fight the panic, and try to remain calm and keep my head about me, while trying to figure out which direction I was heading via the display, and Google maps (in the starlink app), and manage altitude manually to get as low as possible, while staying out of the trees. I figured most of the trees were around 100 feet tall, and gave myself an extra 30 foot magin for safety. To top all, I was also down to 20% battery. I did make it back, quite rattled, but thankful that I had learned to fly on a non-gps quadcopter.
Needless to say, I *always* do a compass calibration now, when first taking off from *any* site, for the first session. And always let my bird sit and "regroup", if having been in the hangar for more than a month, or travelling any distance from home.