Modes Of Operation; Heading Hold And Wings Level; Heading Hold Mode - Honeywell SPZ-8000 Pilot's Manual

8.

Modes of Operation

HEADING HOLD AND WINGS LEVEL

The basic lateral mode of the autopilot is heading hold. Heading hold
is defined as:
Autopilot engaged (AP)
D
No lateral flight director mode selected
D
Bank angle less than 6.
D
If these conditions are satisfied, the autopilot rolls the aircraft to a wings
level attitude. When the aircraft's bank angle is less than 3 for at least
10 seconds, the heading hold mode is automatically engaged. The
heading hold mode is not annunciated on the EADI, as shown in Figure
8--1, because it is the default lateral mode when no other lateral steering
mode is selected.
NOTE: If the autopilot is engaged when the aircraft is in a bank, the
autopilot rolls the aircraft to wings level.
A28--1146--055
REV 2
SPZ--8000 Digital Integrated Flight Control System

Heading Hold Mode

Figure 8--1
AD--58106@
Modes of Operation
8-1