3-18 3rd Ed. Sep 30, 06
S–TEC
3.3.2 Back Course Approach with Procedure Turn
Select the LOC frequency on the Navigation Receiver.
Heading System HSI
Set Course Pointer to FRONT INBOUND LOC course on compass card.
Heading System DG
Set Heading Bug to FRONT INBOUND LOC course on compass card.
Press the NAV mode selector switch to engage the navigation approach mode.
The NAV and APR annunciations will appear as shown in Fig. 3-24, to acknowledge
that this mode is engaged. The autopilot will intercept and track the BACK
OUTBOUND LOC course.
Fig. 3-24. AP Display, NAV APR Mode Engaged, Track LOC Back Course Outbound