I'm not a current AStar Pilot myself but thought this cut-out of the POH could be of interest - the load feadback in particular 
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AS 350 B2
4 HYDRAULIC SYSTEM FAILURES
4.1 Yaw Servo-control Slide-valve Seizure
- In hover : If no movement about the yaw axis, land normally; If rotation about the yaw axis, cut off hydraulic pressure by actuating the switch situated on the collective pitch control lever.
- In cruisIng flight: Reduce speed, entering into a side-slip if. necessary, then cut off hydraulic pressure by actuating the switch situated on the collective pitch control lever.
4.2 Main Servo-control Slide-valve Seizure
- Actuate the switch, situated on the collective pitch control lever, to cut off hydraulic pressure.
Load feedback will be felt immediately; load feedback may be heavy if the helicopter is flying at high speed:
.collective pitch: 20 kg pitch increase load
.cyclic : 7 to 4 kg left-hand cyclic load
.cyclic: 2 to 4 kg forward cyclic load
.yaw pedals: practically no load in cruising flight.
- Reduce speed to 60 knots (110 km/hr) and proceed as in the case of illumination of the NHYDN light.