I’m on a hillside in Southern California looking out over the Pacific Ocean and we’ve got some heavy duty refraction going on this evening. This was earlier tonight, it’s a French Blue A350 inbound to SFO from French Polynesia, caught it at 405 nautical miles. A few minutes later got a Quantas inbound to SFO at 413 nm.
The irregular contour is my line of sight at 36K feet altitude so they are nearly a 100 nm past that.
Unfortunately neither showed up on the Flightaware tracklog as I was hoping to get a screenshot. Does FA toss out tracks as erroneous beyond some distance?