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Thread: Need advice about negative FL?
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Old 26th Jul 2011, 16:37
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Warmer
 
Join Date: Jan 2010
Location: Europe
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Well...According to the table:
FL 90 is 9 000ft higher than 0 , but it's not a point...
If I understand correctly FL -90 is 1000 ft below 0? Sorry, I am not a pilot, so is it an option of all altimeters to show -9000 ft Altitude [FL-90] below 0? And could it be more to the negative side...for example FL-80,-70... or what ever... Will it be processed by transponder and presented by Automated ATC system?
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