Figure 8-32.-DAFCS input/output block diagram.
that reduces its gain as airspeed increases. When
Above 50 KIAS, actuation of the switch for less
the heading hold is engaged, the HDG TRIM
than 1 second provides a 1-degree heading change.
(slew) switch on the collective lets the pilot make
Actuation for greater than one second provides
heading changes without retrimming. Below 50
a 1 degree per second coordinated turn. The
KIAS, the aircraft slews at 3 degrees per second.
heading hold is re-engaged following a turn when