Bloomberg reports:

China may postpone the maiden flight of its first passenger jet by at least four months because of supplier delays, said two people familiar with the situation.

The flight, scheduled for this month, is likely to take place from July, said the people, who declined to be named because they aren't authorized to publicly discuss the program. The jet uses parts from Rockwell Collins Inc., Honeywell International Inc., Parker Hannifin Corp., United Technologies Corp. and General Electric Co. 

The ARJ21, or Advanced Regional Jet for the 21st Century, is the first step in China's ambition to become a global aircraft maker and capitalize on a domestic market forecast to need as many as 3,400 new planes in the next 20 years. Delays in getting the ARJ21 to market could set back a government plan to build a larger plane by 2020 to challenge Boeing Co. and Airbus SAS.

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