Aileron Trim Indications; Rudder Trim Indications - BOMBARDIER LEARJET 40 Pilot's Manual

Pilot's Manual

AILERON TRIM INDICATIONS

Aileron trim tab position is presented as both analog and digital dis-
play. The label AILERON, in cyan, is positioned above the aileron trim
tab position digital readout. The range of aileron trim position is from
L12 to R12 and with L being left wing down, and R being right wing
down. The analog scale consists of a white arc with three tic marks on
the outside of the arc. The digits 10, in white, are displayed at the left
and right ends of the scale, respectively. A white takeoff trim band is lo-
cated on the outside of the scale between the values of +5 and -5. A
pointer moves along the inside of the scale in accordance with the dig-
ital readout of the aileron trim tab position. If the aileron trim is not
within the takeoff band while the airplane is on the ground the digital
display will have a white box around it. CAS messages and alerting are
the same as those described above in pitch trim.

RUDDER TRIM INDICATIONS

Rudder trim tab position is presented in both analog and digital dis-
play. The label RUDDER, in cyan, is positioned above the rudder trim
tab position digital readout. The range of rudder trim position is from
L12 to R12, and with L being nose left and R being nose right. The ana-
log scale consists of a horizontal white bar with three tic marks on the
top of the bar. The digits 10, in white, are displayed at the left and right
ends of the scale, respectively. A white takeoff trim band is located on
the top of the horizontal scale between +5 and -5. There is a pointer
which moves along the bottom of the scale in accordance with the dig-
ital readout of the rudder trim tab position. If the rudder trim is not
within the takeoff band while the airplane is on the ground the digital
display will have a white box around it. CAS messages and crew alert-
ing are the same as described in pitch trim. Pitch, aileron, and rudder
trim indications are available on page 2 of the backup engine/system
pages on the RMU.
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PM-132A