Altitude Hold Mode - Honeywell PRIMUS 1000 Pilot's Manual

R
PRIMUS 1000 Integrated Avionics System

Altitude Hold Mode

The altitude hold (ALT HOLD) mode is a vertical axis flight director
mode used to maintain a barometric altitude reference. To fly ALT
HOLD, follow the procedure in Table 6–11.
Step
Push the ALT button on the coupled–side mode selector.
1 The PFD annunciates
shown in Figure 6–29.
Modes of Operation
6-38
Procedure
ALT
ALT HOLD Mode Display
Figure 6–29
Altitude Hold Mode Procedure
Table 6–9
while ALT HOLD is active, as
AD–63903@
A28–1146–134
REV 1 Jan/03