PRIMUS
r
1000 Integrated Avionics System
A28--1146--112--00
8-9
Modes of Operation
AD--50976@
ZONE OF CONFUSION
OSS
A0SS1
A0SS2
VOR Navigation Mode -- Tracking Over Station
Figure 8--8
VOR APPROACH (VAPP) MODE
A VOR approach procedure is described in table 8--2. The APR button
annunciator on the GC is lit and VAPP is displayed in white on the PFD.
The IAC applies gains appropriate for an approach. When the selected
course is captured, the PFD displays VAPP in green.
NOTE:
To get the best results, establish the aircraft on the selected
course at least 3 miles before reaching the VOR station.
Step
Procedure
1
Couple the pilot’s or copilot’s flight director to the autopilot
with the CPL switch on the GC.
2
Tune the coupled side navigation receiver to the frequency
of the VOR to be used.
3
Select NAV as the navigation source on the coupled side DC.
4
Set the course pointer on the coupled side HSI for the
course to be flown.
VOR Approach Mode Engagement Procedure
Table 8--2 (cont)