Meggitt S-TEC Fifty Five X, Pilot Operating Handbook, Page: 51 / 71

3-22 1st Ed. Jul 15, 06
S–TEC
3.2.2 ILS Approach with Procedure Turn
Execute a procedure turn intercept and track of the FRONT INBOUND LOC
course (reference section 3.3.5) above the approach altitude, just until
the aircraft is established on the FRONT INBOUND PROCEDURE TURN
heading, with the HDG mode still engaged. Set the PFD VSI Bug to the desired
vertical descent speed, and press the VS mode selector switch to engage the
VS mode. Upon reaching the approach altitude, press the ALT mode selector
switch to engage the altitude hold mode. Press the NAV mode selector switch to
engage the APR mode, such that the autopilot will execute a straight-in intercept
and track of the FRONT INBOUND LOC course (reference section 3.3.3).
Execute a straight-in intercept and track of the GS (reference section 3.2.1).
3.3 Non-Precision Approach Procedures
3.3.1 Straight-In Back Course Approach
Select the LOC frequency on the Navigation Receiver. Set the PFD CRS Pointer
to the FRONT INBOUND LOC course on the compass card. Press the REV
mode selector switch to engage the APR mode. REV and APR annunciations
will appear as shown in Fig. 3-30. The autopilot will intercept and track the
BACK INBOUND LOC course. A typical view of the PFD during tracking is shown
in Fig. 3-31.
Fig. 3-30. AP Display, APR Mode Engaged, Back Course
The REV annunciation will flash whenever the CDI needle deflection exceeds
50%, or the NAV Flag is in view. In the latter event, the FAIL annunciation will also
appear.
A summary pictorial of this procedure is shown in Fig. 3-32.