[38] Some P-47 pilots claimed to own damaged the sound barrier in steep dives, but afterwards investigate discovered that due to the force buildup In the pitot tube at high speeds, airspeed readings turned unpredictably exaggerated. As P-47s had been ready to out-dive enemy fighter planes trying to escape by https://www.murakamilab.tuis.ac.jp/wiki/index.php?ordertouch42