AIRPLANE
OPERATIONS
MANUAL
CREW
AWARENESS
REVISION 39
2-04-13
Page
5
Code
01
AOM-145/1114
7 - COURSE SELECT FAILURE
− If the course select signal fails, the digital readout is replaced
with amber dashes and the course pointer is removed from the
display. This indication is also given for an invalid heading
display or FMS source.
8 - AOA
− Angle of attack information (and calibrated airspeed) are used
to calculate stall speed for low speed awareness. If the angle of
attack information or indicated airspeed information is invalid,
AOA is displayed to the lower right of the airspeed tape.
9 - ATT1 OR ATT2
− If the pilot and copilot are using their normal onside attitude
source, there is no attitude source annunciator. If the pilot and
copilot have selected the same attitude source, that attitude
source (ATT1 or ATT2) is annunciated to the lower left of the
attitude sphere on both PFDs.
10 - RA
− If a radio altimeter fails, RA is displayed in the digital radio
window.
11 - MAX/MIN SPD
− These annunciators are displayed to the left of the attitude
sphere. MIN SPD is displayed when the vertical speed or
airspeed hold mode is engaged and the indicated airspeed
drops below 80 kt. MAX SPD is displayed anytime indicated
airspeed exceeds V
MO
/M
MO
.
12 - SG1 OR SG2
− When the symbol generator reversion is selected and one
symbol generator is driving both pilot’s and copilot’s displays,
that symbol generator is annunciated (SG1 or SG2) to the upper
left of the attitude sphere on both PFDs.
To Next Page
