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A comment on Ask HN: Why do airlines still use "black boxes" ?. Parent comment
1. Operational knowledge is lacking.
2. 300 people trying to jump from a plane through 2 3 foot doors will probably cause a crash alone.
3. Pointless at > FL 10. There is no oxygen up there.
4. It's also about -50C ish > FL 10. You would fall as a frozen popsicle.
5. Would add about 1000lbs of weight to the aircraft.
6. People floating around in the Atlantic isn't really an improvement.
7. 95% of all aircraft failures result in a safe landing. Only a small percentage result in crashes at the commercial aircraft level.
8. People hanging in trees all over the province of Alberta isn't really an improvement.
9. People landing in traffic in Denver isn't really an improvement.
I think you get the point. The answer is that parachutes are completely impractical for 90% of all aviation uses.
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1. Operational knowledge is lacking.
2. 300 people trying to jump from a plane through 2 3 foot doors will probably cause a crash alone.
3. Pointless at > FL 10. There is no oxygen up there.
4. It's also about -50C ish > FL 10. You would fall as a frozen popsicle.
5. Would add about 1000lbs of weight to the aircraft.
6. People floating around in the Atlantic isn't really an improvement.
7. 95% of all aircraft failures result in a safe landing. Only a small percentage result in crashes at the commercial aircraft level.
8. People hanging in trees all over the province of Alberta isn't really an improvement.
9. People landing in traffic in Denver isn't really an improvement.
I think you get the point. The answer is that parachutes are completely impractical for 90% of all aviation uses.