A US-based company and its Canadian subsidiary today pleaded guilty to the charges of helping China develop a new attack helicopter and agreed to pay a penalty of USD 75 million as part of the settlement. At a federal court hearing in Bridgeport, Conn., United Technologies and its two subsidiaries, Pratt & Whitney Canada and Hamilton Sundstrand Corp, pleaded guilty to violating Arms Export Control Act and making false statements in connection with its export to China of US-origin military software used in China's first modern military attack helicopter the Z-10. In addition, they all agreed to pay more than...