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WAAS: Vital for NextGen and It Needs Help

机译：WAAS：至关重要的NextGen，需要帮助

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In 2012, there were 11,261 private jets registered for use in the U.S. and 7,997 in the rest of the world. Embraer has produced a significant number of those jets, so I am intimately familiar with the private aviation landscape. Few issues are as important to private jet owners and their pilots as ensuring the ability to safely and efficiently navigate from airport to airport without delay or restriction. Historically, private jets, like all other civil aircraft, have had to descend in several stages when approaching a runway, and are often forced to linger in the air, circling and wasting fuel to avoid the congested airspace while waiting for clearance. Even worse, because of the lack of comprehensive ground-based navigation systems at smaller airports, private jets have had to forego the most convenient airports and instead take off and land at larger ones, competing for space with the airlines.
机译：2012年，美国注册了11,261架私人飞机，世界其他地区注册了7,997架。巴西航空工业公司生产了许多此类飞机，因此我对私人航空业非常熟悉。对私人飞机所有者及其飞行员而言，很少有问题比确保能够安全，高效地从一个机场导航到另一个机场而没有延误或限制同样重要。从历史上看，私人飞机与所有其他民用飞机一样，在接近跑道时必须分几个阶段下降，并经常被迫在空中徘徊，盘旋并浪费燃料以避免在等待通关时拥挤的空域。更糟糕的是，由于小型机场缺乏全面的地面导航系统，私人飞机不得不放弃最便利的机场，而是在较大的机场起降，与航空公司争夺太空。

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