飞行员须知(附注)
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
航行通告
That information results in a Notice to Airman (Notam) warning which is posted to a day-by-day database pilots can consult before they fly.
BBC: London helicopter crash: What are the rules for pilots?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。