PA correction -0.2%
because we're at a 1000ft
Temp correction: at
1000ft ISA temp is 13*C actual temp is 17*C. 4*C difference = correction of 4 x
-0.1=0.4%
Wing anti ice -1%
Eng anti ice -0.5%
Total correction = 2.1%
Initial gradient 6% -
total correction 2.1% = 3.9%