BEIJING, July 12 -- China's C919 large passenger plane project has entered into a new major phase with intensive flight tests in multiple sites around the country, announced its developer the state-owned Commercial Aircraft Corp. of China (COMAC).

The No.102 C919 plane landed at Dongying Shengli Airport in east China's Shandong Province Thursday, after its first long-distance flight from the final assembly line in Shanghai, COMAC said.

Before this flight, the aircraft has completed multiple tests and had modifications made for the upcoming test missions.

It will mainly undertake the ground tests of the aircraft's propulsion, fuel, and power supply systems, as well as environmental control.

The C919, China's first self-developed trunk jetliner, conducted a successful maiden flight on May 5, 2017, at Shanghai Pudong International Airport.

The company said six C919 planes will undertake various comprehensive tests on stalling, power, control and stability, flight control, aircraft deicing, as well as extreme temperature tolerance.

Another two planes will undertake static and fatigue ground tests.

The C919 planes will fly to various airports to undergo rigorous testing in complex weather conditions and a series of high-risk flight tests, said COMAC.

COMAC has cooperated with local governments and institutions to construct industrial bases and conduct flight tests for the C919 project.

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