Originally Posted by
EvilMonkey
You got it. The "needle" sensitivity remains at a mathematical fixed sensitivity, 0.3 RNP, both for the lateral guidance and glidepath.
I know what you mean by squirrelly, though one I flew recently seemed to be doing dutch rolls just inside 10 miles on the localizer. Not so sure if that was the signal or my own poor autopilot, but it was noticeable!
USMCFLYR
Interesting. I've seen the 170 autopilot do some goofy things when someone drives a plane through the ILS critical area...kind of like a pronounced phugoid cycle with the pitch. What aircraft do you fly?