Turkmenistan's central bank said on Feb. 2 it helped finance the purchase of a Boeing 757-200 aircraft for Turkmenistan Airlines valued at $70 million. Turkmenistan Airlines borrowed $48.3 million from the central bank to buy the new plane. The airliner will repay the credit in three years at the fixed annual interest of 3%, the central bank said. The Central Asian state's airliner will use the new jet on some international routes, replacing some of its aging Soviet aircraft. The airline