Originally Posted by
Check Airman
No empirical information, but anecdotally, I've noticed that the bus seems to be programmed for pax comfort. For example, in NAV mode it seems to initiate turns en-route a bit earlier than other planes, presumably to minimise bank angle.
Enroute turn anticipation criteria applies above FL200 (or whenever the predicted altitude at the waypoint is above FL200). This will schedule for min 5 degrees bank but a turn no earlier than 20 nm or so, if my memory serves me right.
This is fine for the enroute phase, but could create ATC trouble on terminal procedures. Mitigation would be to put a PD waypoint at -5.