2003年3月7日在美国德克萨斯州阿林顿的贝尔公司的飞行试验中心,世界上第一个民用倾转旋翼机BA609首飞成功,由此翻开了民机史上新的一页。这个9座的BA609,是由美国贝尔公司,意大利的阿古斯塔·韦斯特兰公司联合研制开发的。2002年12月开始飞行试验,2003年1月中旬开始进行为期7周的地面运转和滑行试验,开始为首飞做准备。首飞进行了36分钟,起降4次。在约15米高进行了前后、左右的方向转换、盘旋、以及短舱位置改变好稳定性测试等飞行。今后BA609将进入进 On March 7, 2003, at Bell Labs Flight Test Center in Arlington, Texas, the world's first civilian tilting rotorcraft BA609 made its first flight, opening up a new one in the history of civil aircraft page. The 9-seat BA609 was developed by Bell Laboratories in the United States and AgustaWestland in Italy. The flight test was started in December 2002 and a ground operation and taxi test was carried out for seven weeks beginning in mid-January 2003 to begin preparation for the first flight. The first flight took 36 minutes, taking off and landing 4 times. Around 15 meters in height, the direction of rotation around, hovering, and the nacelle position change stability test flight. In the future BA609 will enter