3. Controls and Indications:
(See Figure 9 and Figure 14.)
A. Circuit Breakers (CBs):
Circuit Breaker Name: CB Panel: Location: Power Source:
STAB AUG SERVO #1 CPO A-6 Essential DC Bus
STAB AUG SERVO #2 CPO B-6 R Main DC Bus
RUD COMB HYD S/O (1) CPO C-14 Essential DC Bus
RUD FLT HYD S/O (1) CPO A-16 Essential DC Bus
NOTE(S):
(1) CAA certified aircraft only.
B. Caution (Amber) Messages and Annunciations:
CAS Message: Cause or Meaning:
RD CMB HYD OFF (1) The flight control automatic failure detection system has
shut off Combined hydraulic system pressure to the rudder
actuator.
RD FLT HYD OFF (1) The flight control automatic failure detection system has
shut off Flight hydraulic system pressure to the rudder
actuator.
SNGL RUDDER LIMIT Failure of input pressure load limiter (with Flight and
Combined Hydraulic System pressure normal.)
YAW DAMPER OFF Yaw damper (YAW DAMP ENG / DISENG) switch is OFF.
OR:
Yaw damper failure.
NOTE(S):
(1) CAA certified aircraft only.
C. Advisory (Blue) Messages and Annunciations:
CAS Message: Cause or Meaning:
RUDDER LIMIT Rudder actuator torque limiter is in operation.
4. Limitations:
A. Yaw Damper Limitations:
(1) If yaw damper fails prior to takeoff:
Maximum fuel quantity permitted for takeoff is 9000 lb (4082 kg).
(2) If yaw damper fails in flight:
(a) Above 18,000 feet:
Maintain airspeed at or above 220 KCAS.
(b) Below 18,000 feet:
Maintain airspeed as a function of fuel quantity at or above
that shown on the following table until ready to configure for
approach and landing.
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-27-00
Page 35
January 31/02
Revision 6
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