1.   Airplane manufacturers like Boeing are obviously watching the transformation closely and investing heavily in the future of Chinese aviation.

2.   Chinese aviation officials also declined to comment on a possible sale.

3.   Chinese aviation officials are caught between demands from passengers who want more flights and criticism from passenger advocates who say the airlines are not safe to fly.

4.   Chinese aviation authorities say that is just a near-term goal.

5.   Hai offered further statistics to back his point that Chinese aviation is growing quickly.

6.   Perhaps the biggest challenge for the Chinese aviation industry is that its changes are outpacing the traditional management culture.

7.   The amazing growth is great for investors, but some say it is pushing the Chinese aviation industry beyond its limits.

8.   Chinese aviation officials contacted by phone said they knew of no North Korean plans to send a special flight for him.

9.   Chinese aviation officials have also confirmed that the plane broke up into four large pieces when the accident occurred, Yong said.

10.   Employees at the Chinese aviation company refused to comment.