如果驾驶舱内释放了一个灭火瓶，所有飞行机组必须戴上氧气面罩且选择 EMERGENCY（应急）（100%氧气）。机组若暴露在高浓度的 Halon 蒸气中，会引起头晕、身体协调性降低和思维能力下降。If a fire extinguisher is to be discharged in the flight compartment, all flight crew must wear oxygen masks with EMERGENCY selected (100% oxygen). Crew exposure to high levels of extinguishing agent vapors may result in dizziness, impaired coordination, and reduced mental sharpness.