Eurocopter AS 350 83 Flight Manual page 158

FLIGHT MANUAL
.2 LIMITATIONS
Apart from the specific limitations given below, all the limitations laid
down in Section 2 remain applicable:
-When the aircraft is on the ground, the AP must be disengaged except
when checks are to be performed.
-Do not engage the AP before take-off if trim test is not satisfactory.
-If height is less than 400 ft (120 m), the pilot must keep his hand
on the cyclic stick.
-Minimum gross weight with AP in operation: 1300 kg.
3 EMERGENCY PROCEOURES
. All emergency procedures specified in Section 3 of the basic Flight Manual
remain applicable, together with the following additional procedures.
-3.1 ~
If jerks or sudden movements independent of air turbulence are felt
during flight with autopilot engaged, this may be caused by the
autopilot. Consequently disengage the autopilot:
-If the anomaly disappears after disengagement, re-engage each channel
in turn until failure is identified. Retain channels that operate
properly.
-If the anomaly persists the AP is not at fault. Re-engage the
autopilot if required.
3.2 Failure of hydraulic svstem
-Comply with procedure specified in Section 3.
-Disengage AP
3.3 Failure of the vertical gyro or gyrQ horizo!!
INDICATION SYMPTOM PIlOT..S ACTION
.
-AP light blinks for -Automatic disengage~nt -Manual control by the
10 sec. (Fig. 4). of pitch and roll pilot.
channels or of failure The yaw channel
monitoring unit. remains operative
-GYRO light illuminate -The HDG, ALT and A/S
or gyro horizon flag modes are inoperative.
comes into view. -Continue flight.
-P, R, MONIT pushbutto
lights on AP control
panel go out (Fig. 1).
-P and R lights (below
galvanometers)
illuminate (Fig. 2,
Detail 4 .
.
DGAC Approved: 350 83 SUP. 16
I A I 8 I C I F I 97-40 Page 5