Taking an increasingly cautious approach to its C919 narrowbody airliner program, Comac has extended its planned duration for flight testing beyond two years, pushing an unannounced target for first delivery into 2019. The schedule could easily slip a little further, since the Chinese state manufacturer is struggling to achieve its stated aim of flying the first C919 in 2016, industry sources say. Two years ago, first delivery was targeted at 2018, but Comac has announced no update since then. A first delivery would normally follow on the heels of flight testing, for which Comae originally allowed about two years.
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