Sichuan Airlines, which owns the largest Airbus aircraft fleet of 155 in China, chooses DONICA access cockpit voice recorder (QACVR?) to upgrade its security management system more efficient.Today,there are more than 100 Donica QACVR? in service for Sichuan Airlines,covering A320 and A330.In the future it will be rolled out in the entire fleet of Sichuan Airlines.