As a pioneer of Chinese commercial airplanes, the ARJ21 aircraft was put into commercial service in June 2016. To date, the COMAC has delivered a total of 23 ARJ21s. Credit: COMAC.

China’s first turbo-fan regional passenger jetliner, the ARJ21, has passed another hurdle with two more aircraft undergoing test flights this year, Xinhua reported.

The test flights show that the civil airplane model is on track for smooth development and delivery, said the Commercial Aircraft Corporation of China (COMAC).

Of the two planes that underwent test flights on Saturday, the No. 103 aircraft focused on the flight test missions of the optimal design of the ARJ21. It is of crucial importance for the COMAC to verify the airplane’s performance during its continuous improvement, the report said.

The test flight also marked the maiden flight of the No. 131 ARJ aircraft, which will be delivered to Chengdu Airlines after the test flight stage, the report said.

This latest move is in accordance with the plan for national deployment in the prevention and control of the novel coronavirus (Covid-19) epidemic, as well as resuming work and operation with unremitting efforts, said COMAC.

All teams in the mission operated under strict epidemic prevention measures to ensure the safety of both personnel and the flights, the report said.

As a pioneer of Chinese commercial airplanes, the ARJ21 aircraft was put into commercial service in June 2016. To date, the COMAC has delivered a total of 23 ARJ21s.

In the nationwide joint anti-epidemic fight, this Chinese civil airplane model is playing its role in emergency transport missions carrying personnel and supplies to support the virus-hit regions, the report said.

On Feb. 21, Chengdu Airlines sent a fleet of five airplanes, including four ARJ21 airplanes, to carry 231 medical staff from cities around southwest China’s Sichuan Province to central China’s Hubei Province, the epicenter of the ongoing novel coronavirus outbreak, Xinhua reported.