The cockpit voice recorder data on the Alaska Airlines Boeing 737 MAX 9 jet which lost a panel mid-flight on Friday was overwritten, U.S. authorities said, renewing attention on long-standing safety calls for longer in-flight recordings. National Transportation Safety Board (NTSB) chair Jennifer Homendy said on Sunday no data was available on the cockpit voice recorder because it was not retrieved within two hours - when recording restarts, erasing previous data. The U.S. requires cockpit voice recorders to log two hours of data versus 25 hours in Europe for planes made after 2021. The industry has been wrestling with the...