358KIAS is in fact (or is close) to the Vne (never exceed) speed of an A330. This is an indicated airspeed limit while mach numbers are based off TAS (True Airs

358KIAS is in fact (or is close) to the Vne (never exceed) speed of an A330. This is an indicated airspeed limit while mach numbers are based off TAS (True Airspeed). Here's a link to help explain the differences between IAS/CAS and TAS: https://www.decodedscience.org/airspeed-of-an-aircraft-indicated-airspeed-ias-and-true-airspeed-tas/5035 https://www.decodedscience.org/airspeed-of-an-aircraft-indic...