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Old 19th May 2010 | 07:46
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Dubaiforever
 
Joined: May 2010
Posts: 19
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From: in the middle of nowhere
Local speed sound
Hi guys,
Ii know it can seem a strange question but...... for instance if:

my LLS (local speed sound) at 33000 feet is 480 knots and temperature is ISA+10..... whats the formula to calculate the LLS at 28000 feet?

Thanks I really appreciate your help
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