Air China Orders Homegrown C919s in Challenge to Jet Duopoly (1)

Air China announced plans to buy 100 Comac C919 airliners, a major boost to the home-grown planemaker seeking to disrupt the commercial aircraft duopoly locked down by Airbus SE and Boeing Co.

The agreement has a value of $10.8 billion, based on the list price for the C919. Deliveries will start this year and run through 2031, Air China said in a filing. The Beijing-based airline, one of China’s three biggest carriers, had previously already ordered a handful of C919s.

The move highlights how China is muscling into the lucrative market for larger commercial airliners, which for decades has ...