XPost: alt.fan.rush-limbaugh, alt.politics, alt.politics.usa   
   From: chine.bleu@yahoo.com   
      
   super70s wrote:   
   > On 2025-07-02 13:22:15 +0000, Mitchell Holman said:   
      
   > Here's a post from the forum on the site answering a question I had --   
   > how long do those oxygen masks work?   
   >   
   >> 2500 ft/min is a controlled descent, NOT a "death plunge". The   
   >> passenger oxygen masks on aircraft will work for roughly ten minutes,   
   >> so that is the timeframe during which the pilots of a craft with   
   >> pressurization issues have to get down to 10,000 feet.   
   >   
   > Which begs the question why can't they make the masks last longer than   
   > just 10 min. so a "death plunge" isn't necessary? (Even if it wasn't a   
   > true "death plunge" -- that was probably a headline done for clickbait.)   
      
   They have to drop to breathable pressure because some people might not   
   be able to wear the masks. The question is how fast. Ten minutes has   
   been long enough so far.   
      
      
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