Another recent factor limiting cruising altitude:
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El Niņo and cold fuel
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Originally posted by Evan View Post
I found very interesting this article about Polar Operations by Boeing http://www.boeing.com/commercial/aer...lar_story.html
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Originally posted by meneses24 View PostInteresting. As far for the 737 the minimum fuel temperature is -43°C, or 3°C above the fuel freezing point temperature (JetA -40, JetA1 -47, JetB-50) whichever is higher...On legs of less than 7 hours it barely reaches -25, but definitely tropopause levels are different on all latitudes.
I found very interesting this article about Polar Operations by Boeing http://www.boeing.com/commercial/aer...lar_story.html
Interesting that an alternate strategy to descent is to increase mach and thus TAT.
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