[38] Some P-47 pilots claimed to own broken the sound barrier in steep dives, but later analysis discovered that due to pressure buildup In the pitot tube at significant speeds, airspeed readings grew to become unpredictably exaggerated. As P-47s were being capable of out-dive enemy fighter planes attempting to escape https://www.metooo.co.uk/u/66ea9491129f1459ee6c7b6b