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Thread: Flying GA (unpressurised) aircraft at higher altitudes
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Old 27th Jul 2015, 13:16
  #8 (permalink)  
sharpend
 
Join Date: Feb 2001
Location: Lechlade, Glos.UK
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If I recall, the RAF rules are:

10,000 feet daytime - hypoxia
4,000 feet - night vision goes.

8000 feet for passengers.
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