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World War II fighter pilot named Hans Guido Mutke
The flight during which Mutke believes he flew supersonic occurred on 9 April 1945. He had been instructed to perform a training mission at high altitude, so Mutke climbed to about 36,000 ft (11,000 m) after takeoff. Shortly thereafter, he overheard a flight controller warning about a P-51 Mustang that was closing in on one of Mutke's fellow trainees. Mutke decided to fly to the aid of his colleague and pushed the plane into a steep left bank to dive towards the intruding Allied fighter. Within seconds, the plane began vibrating violently as the tail was buffeted back and forth. His airspeed indicator had maxed out at 684 mph (1,100 km/h), the nose pitched down sharply, and the plane was no longer controllable. Mutke said he was only able to regain control by changing the angle of the Me 262's horizontal stabilizer. This action helped him to reduce his speed to 310 mph (500 km/h) and pull out of the dive.
Mutke came forward with his story in the late 1990s when he claimed that the behaviors he had seen must mean he had exceeded the speed of sound. It is true that pilots of early jet aircraft often reported extreme vibrations and buffeting when approaching the sound barrier. This behavior is caused by the creation of shock waves that begin forming over the wings and stabilizer surfaces in transonic flight. The transonic region is a flight regime where some parts of a plane are traveling supersonic while others are subsonic. For example, the overall airspeed of a plane could be Mach 0.95, or 95% of the speed of sound, but the air accelerating around some parts of the plane, like the wing, may be moving faster than Mach 1. Once the airflow reaches Mach 1 over any part of the plane, a shock wave will be created that can drastically change the plane's flight characteristics. This mixture of subsonic and supersonic flow around a vehicle usually occurs over a range of airspeeds from Mach 0.7 to Mach 1.3, which is what we consider to be the transonic regime.
Originally posted by skippytjc
Yeah, those Germans basically were successful at hurtling themselves at the ground faster than the speed of sound. But was that actually flight? Yeager was the first to really fly doing it.
Originally posted by centurion1211
It was actually an Atlantean named Thovv around 10,950 BCE.