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| aircraft proximity (在飞行员或空中交通服务人员看来，两架或两架以上飞机之间的距离或相对位置和速度可能危及各飞机的安全时的一种状态。当存在严重碰撞危险时飞机接近度被定义为 risk of collision (碰撞危险)；当飞机安全受到威胁时的接近度定义为 safety not assured (无安全保障)；当无相撞危险时接近度为 no risk of collision (无碰撞危险)；当无充分信息确认危险的存在或无确定性证据排除危险存在时，接近度为 risk not determined (危险无法确定)。用于指示飞机接近度的代码为 AIRPROX,任何飞机接近度状态都必须报告) | |||
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飞机接 近 度 : 2 phrases in 1 subject |
| Aviation | 2 |
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