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Inaugurating DRVSM

机译：开创DRVSM

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If reduced vertical separation over the U.S. lives up to its long-awaited promises—as expected when the FAA puts it into effect on Jan. 20—it will help airlines save hundreds of millions of dollars in fuel costs in the first year and make it easier to elude thunderstorms and avoid turbulence. The Domestic Reduced Vertical Separation Minimum (DRVSM) program is costing about $869 million, mostly for operators who have to equip their aircraft with avionics. But the initiative is expected to save nearly $400 million in fuel and operational efficiency during the first year and more than $5.3 billion over the next decade. This 6-to-1 ratio of benefit to costs was calculated when jet fuel was just 67 cents a gallon. Since then, fuel costs have soared, selling at about $1.20 last week, and savings from DRVSM could easily be much greater if the price of jet fuel remains at high levels.
机译：如果减少在美国的垂直间隔达到了其期待已久的承诺（如FAA于1月20日生效的预期那样），它将帮助航空公司在第一年节省数亿美元的燃油成本，并实现这一目标更容易躲避雷暴并避免湍流。国内最小垂直间隔最小化（DRVSM）计划耗资约8.69亿美元，主要用于必须为飞机配备航空电子设备的运营商。但该计划有望在第一年节省近4亿美元的燃料和运营效率，并在未来十年节省超过53亿美元。当喷气燃料仅为每加仑67美分时，就可以计算出收益与成本的6比1比率。自那时以来，燃油成本飞涨，上周的价格约为1.20美元，如果航空燃油的价格保持在较高水平，DRVSM的节省可能会容易得多。

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