ARJ21-700 completes IRS certification flight test

Recently, ARJ21-700 successfully completed inertial reference system (IRS) certification flight test at AVIC Flight Test Establishment at Yanliang Airport. AC 104 undertaking the flight test flew for 4 hours to successfully complete the validation and certification of the flight test and successfully executed two flight test state points on the task checklist. The preliminary test results demonstrated compliance to the requirements of the flight test plan. The inertial navigation positional accuracy and electromagnetic compatibility of ARJ21-700 aircraft were inspected.