1 基本情况 航空兵某团实施歼-6跨昼夜飞行。开飞前,距塔台约50 m的一家化工厂突然发生泄漏事故,含有氢氧化钠及甲醛的化学物质起火燃烧,大量浓烟随风飘向机场,高度很低,几乎贴地而行,怪味刺鼻。在场人员无一例外均受刺激,引起呛咳,数分钟后即感头晕、恶心、胸闷、乏力,所有飞行员均有类似症状。经航医建议撤 A basic situation Air regiment F-6 implementation of a cross-day and night flight. Before the flight, there was a sudden spill accident at a chemical plant about 50 m away from the tower. Chemicals containing sodium hydroxide and formaldehyde caught fire and a lot of smoke drifted toward the airport with a very low altitude, almost sticking to it. Pungent taste. The presence of the officers were all stimulated without exception, causing cough, feeling dizzy after a few minutes, nausea, chest tightness, fatigue, all pilots have similar symptoms. Upon medical advice withdrawal