| 2. | In accordance with international standards and recommendations , their development took into account runway alignment , terrain environment and obstacle clearances , location of navigation aids , aircraft operating criteria , environmental consideration , airspace coordination with nearby airports , etc . hong kong is small in size and hilly in topography
根据国际标准及建议，飞行航道的设计要考虑多项因素，包括跑道方向、地势环境及超越障碍物时所要求的高度距离、导航设备位置、飞行运作条件、环境污染问题、与邻近机场的空域协调等等。 |
