Suggestions are given for perfecting the liability ordinance in regulating the Macau air transportation and freighters operators. 文中对完善澳门空运人及航空器经营人的民事责任制度提出了建议。
An air craft which can take off and land vertically in a small area without the need for runways.The propellers is installed in the top of the helicopter, circumrotate flatly. 能直升直落及在空中停留的航空器，螺旋桨装在机身的上部，作水平方向旋转，可在小面积场地起落。
