FLIGHT
INSTRUMENTS
AIRPLANE
OPERATIONS
MANUAL
2-17-15
Page
8
Code
01
REVISION 39
AOM-145/1114
ALTITUDE INDICATION
ALTITUDE INDICATIONS ON THE PFD
The altitude is displayed in tape format on the PFD. The altitude tape
also displays the Flight Guidance Controller preselected altitude
(ASEL), respective preselected altitude bug (refer to section 2-19,
Autopilot), and altitude trending vector.
1 - ALTITUDE SCALE AND VERTICAL TAPE
− Color:
− Scale: white
− Tape: gray
− Ranges from −1000 to 60000 ft, with a resolution of 100 ft.
− The vertical tape moves behind the current altitude window and
displays a range of ± 550 ft from the actual altitude.
− The vertical tape displays digital altitude every 200 ft for
altitudes from zero up to 10000 ft and every 500 ft for altitudes
above 10000 ft.
2 - ALTITUDE COMPARISON MONITOR DISPLAY
− Color: amber
− Label: ALT
− Displayed in case of a difference of 200 ft or more between the
altitude indications on PFDs.
− Flashes for 10 seconds and then becomes steady.
3 - ALTITUDE CHEVRON
− Color: White
− The double line chevron indicates multiples of 1000 ft. The
single line chevron indicates every 500 ft increments.
4 - CURRENT ALTITUDE DISPLAY
− Color: green
− Ranges from −1000 to 60000 ft with a resolution of 20 ft.
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