China's aviation regulator has issued a production certificate allowing for the mass production of the homegrown C919 narrowbody jet, manufacturer Commercial Aviation Corp of China (COMAC) said on Tuesday.

The C919, a rival to the Airbus A320neo and Boeing 737 MAX single-aisle jet families, had received a type certificate in September declaring the model safe to fly but each individual jet manufactured had needed a separate sign-off from the regulator 

(Reporting by Sophie Yu in Beijing and Jamie Freed in Sydney, Editing by Louise Heavens)