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Comac achieves power-on for second C919 prototype

Comac achieved power-on for its second C919 narrowbody prototype on 28 July.

This signifies that aircraft 102's power system is functioning normally, laying a firm foundation for tests to follow, says the Chinese manufacturer.

It adds that this round of power tests, from the initial review to the actual process, all went in strict accordance with the process flow, resulting in the test cycle being shortened to 10 days.

Comac's target is for aircraft 102 to make its first flight within the year. The manufacturer will use six flight test aircraft for the C919 test campaign. Aircraft 102 will focus on engine, APU, and fuel system tests, but will also be used for some extreme weather tests.

Aircraft 101 took its maiden sortie on 5 May, but the aircraft has not flown since. Comac told FlightGlobal at the Paris air show that work was ongoing to detail the programme's flight-test plan and modules. It stressed however that no major issues have surfaced since first flight, but that some small improvements are being made.

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