时间:2011-10-19 13:03来源:蓝天飞行翻译 作者:航空 点击:次
. The Tiksi Airport (UEST), is not an adequate ETOPS alternate unless in extreme emergency. . All flight plans have been modified to display the enroute predicted fuel temperatures. . All flights regardless of route flown will have the fuel freeze analysis accomplished by maintenance and the value entered into the logbook. . Separation is accomplished by 20 minutes in trail spacing between aircraft. This makes it imperative that the crew keeps the dispatcher informed of any delays.
4.1 Dispatch General Planning . Note the very significant fuel burn effects for every 1000 lbs. increase or decrease in the planned takeoff weight. For every 1000 lbs. this could equate to as much as 330 lbs. change in fuel burn. . Expected fuel freeze value and Fuel Freeze Prediction value. . Pay attention to the altitudes of the Tropopause and associated OATs. Typically the Tropopause may be as low at 18,000-24,000 ft. over Polar / Siberian routes. |