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Forum: Questions
5th Jul 2008, 08:54
Replies: 18
Views: 173,043
Posted By Mark 1

If it helps: Every 3 degrees Celsius above ISA...

If it helps:
Every 3 degrees Celsius above ISA approximates to a 1% decrease in delta and a 0.5% increase in TAS correction
Forum: Questions
4th Jul 2008, 20:45
Replies: 18
Views: 173,043
Posted By Mark 1

TAS=IAS/sqrt(delta) where Delta=ratio of air...

TAS=IAS/sqrt(delta)

where Delta=ratio of air density to ISA SL density
=288.15/(T+273.15) * (P/1013.25)

and P= Ambient pressure in HPa(mB)
T= ambient temperature in degrees celsius

This...
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