[38] Some P-47 pilots claimed to get broken the sound barrier in steep dives, but later research revealed that as a result of force buildup inside the pitot tube at large speeds, airspeed readings became unpredictably exaggerated. As P-47s have been capable to out-dive enemy fighter planes aiming to escape https://southauroracooperative.org/members/josephthing82/activity/1756634/