Thanks to all, this is valuable info to me.
Genghis the Engineer not a student yet. I am close to start my PPL studies, just beginning to really really learn the art
The significance of the fluctuation is proportional to time, the shorter the period the less significant, the longer then the more attention that has to be paid to the parameter.
Thats precisely my question,
safetypee , because you have to deal with so many parameters and if one of those things isn't stable enough for you to do a relaxed instrument check, then you can put yourself at unnecessary risk, by start to give to much attention to one detail. Ok, for you guys its like driking water, but for me it makes me a little dizzy
John Farley I was on a C172 flight on those gusty wind conditions and was mentaly "driving" for fun, checking the instruments and looking at the reactions of the pilot and thought "how can he assess/feels the lift if the airspeed needle sometimes jumps like crazy."
Again thank you all for your replies.