SINGAPORE: Comac confident in ARJ21 certification this year

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Comac has affirmed that it is confident of achieving certification for its much delayed ARJ21 regional jet by the end of the year.

Speaking to Flightglobal on the sidelines of the Singapore air show, Dang Tiehong, its deputy general manager for sales and marketing says the regional jet's progress has been "much smoother" in the recent two years.

He adds that the aircraft has completed most of the necessary ground tests, and about 65% of its certification flight tests.

"We're very positive about achieving certification this year," says Dang.

Four flight test aircraft have so far completed over 2,300 flights accumulating some 4,300h. Comac says the jet has completed flutter, stall, minimum unstick speed and several other key flight tests.

The Chinese airframer has also rolled out the first two ARJ21s to be delivered to launch customer Chengdu Airlines for commercial use.

Progress on the ARJ21 programme, which began 12 years ago, has been slow as engineers encountered problems in development and certification. Comac has so far garnered 252 commitments for the ARJ21, mostly from Chinese airlines and leasing companies.