I had to mention the "polite" part coz I have seen people here getting just way out of control for just a simple comment.
U r right, I got stick frm a user in another thread while trying to help some1.
http://www.pprune.org/5746770-post19.html
@ktmb-ktmb @avalanche007
I don't trust that formula because its an approximation. Most people use it and it should give u the same answer. ktmb, my solution could be wrong.
I got GS of 182Kts from manual flight computer and verified with vector-trigonometry method. U got 180Kts from CX2.
bombayhues tells me that he got 1450fpm, he used a descend from 22000ft.