| 1. | Vfr visual flight rules
有视界飞行方式 |
| 2. | Vfr visual flight rule
目视飞行规则 |
| 3. | The flight was conducted under special visual flight rules , which require the pilot to remain clear of cloud and in visual contact with the surface
该次飞行是按照特殊目视飞行规则进行；根据该规则，飞行员须一直离开云层并能目视地面。 |
| 4. | A civil aircraft performing visual flight shall observe visual flight rules and keep a safe separation from other aircraft and ground obstacles
进行目视飞行的民用航空器，应当遵守目视飞行规则，并与其他航空器、地面障碍物体保持安全距离。 |
| 5. | Pilots fly under “ visual flight rules ” ? they file a flight plan with a local flight service station , navigate by altimeter and visual cues , and stay out of controlled airspace
驾驶员按照目视飞航规则飞行，也就是先向区域性的飞航服务站提出飞行计画书，然后利用高度计和目视地标航行，并且不能进入飞航管制的空域。 |
| 6. | Before the implementation of ifr routes and procedures , helicopter services between hong kong and macau were operated only when weather conditions satisfied the visual flight rules . flights were sometimes delayed or even cancelled due to inclement weather
在仪表飞行规则路线及程序获准采用前，来往港澳之间的直升机只可在天气容许目视飞行的情况下运作，直升机服务偶会因天气恶劣而延迟或取消。 |
| 7. | " with the implementation of the ifr procedures , pilots can utilise signals from ground navigation aids and fly along the designated ifr routes even when the visibility precludes visual flights . the regularity of the helicopter service between hong kong and macau is therefore improved , " the spokesman said
他说：仪表飞行规则程序获准使用后，即使能见度低至不可能靠目视飞行，飞行员仍可根据地面导航仪器所发出的信息，以设定的仪表飞行规则路线飞行，令来往港澳之间的直升机服务更有规律。 |
