A pilot’s TikTok post has turned a routine airplane setting into an unexpected heat indicator. The aviation enthusiast, known as CaptainRhyno, posted a video after boarding a flight in Las Vegas, pointing his camera at a nearby Frontier jet and noting that its flaps were set to position 1 while the plane was still parked at the gate. As reported by BroBible, he told viewers: “Flaps 1 on parking…