1935年12月21日，一种时速接近160英里，可载21名乘客的新型客机“道格拉斯DC-3型”在历史上首次试飞成功。由唐纳德·道格拉斯设计的这种新型飞机是对DC-2型客机的改进，打破了多种客机飞行速度和载货纪录，机身加大，增加了运载能力，装的是2台900马力的柯蒂斯-惠普尔发动机。
此次试飞标志着航空工业的一个重要里程碑，DC-3型客机的成功试飞也为未来的航空旅行提供了更加舒适和安全的服务。它的速度和载客能力远远超过当时的其他客机，成为了20世纪30年代最受欢迎的客机之一。
虽然DC-3型客机在试飞时遭遇了一些小问题，但这些问题很快得到了解决，试飞顺利完成。这次试飞的成功不仅为航空工业带来了新的突破，也为乘客提供了更加舒适和安全的旅行选择。
新闻翻译：
Title: Successful first flight of a new type of aircraft
Keywords: new aircraft, first flight, success
On December 21, 1935, a new type of aircraft, the “Douglas DC-3,” carrying 21 passengers, successfully completed its first flight. Designed by Donald Douglas, this new aircraft improved upon the DC-2 model, breaking multiple records for flight speed and cargo capacity. With a larger fuselage, it increased the transport capacity. The two 900-horsepower Pratt & Whitney engines were installed.
This flight marked a significant milestone in aviation industry history, and the successful test flight of the DC-3 aircraft provided a safer and more comfortable travel experience for passengers. Its speed and carrying capacity far exceeded those of other aircraft in the 1930s, making it one of the most popular aircraft of that era.
Despite some issues encountered during the test flight, these problems were soon resolved, and the flight was successfully completed. The success of this flight not only brought new breakthroughs to the aviation industry but also provided passengers with a safer and more comfortable travel option.
【来源】https://baike.so.com/doc/6820376.html
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