Analysis: China illegally uses Canadian engine for combat helicopter HONG KONG, Oct. 5 ANDREI CHANG Column: Military Might China has officially released the photo of a mysterious Z-10 combat helicopter that was indigenously developed over a 15-year period. An official brochure on the helicopter shows that the Z-10 uses a PT6C-67C engine imported from Pratt &Whitney Canada. Although some Western military observers had suspected that China might be attempting to use the PT6C-67C for its Z-10, this official announcement still comes as a surprise. As a military embargo against Beijing has been in place since the 1989 Tiananmen incident, this...