This procedure is used to establish an offset course (steering refer-
ence) parallel to the current leg. This field is inactive when in
APPROACH ARMED mode (within 30 nm of the destination airport).
1. NAV Key - DEPRESS to display NAVIGATION 2/4 Page with
2. Line Select Key - DEPRESS to position cursor over SXTK field.
3. L or R Key - DEPRESS.
4. Offset Distance - INSERT (NM and tenths). The maximum value
that can be entered is 99.9 NM.
5. ENTER Key - DEPRESS. XTK deviation remains referenced to
the original track. However the HSI will display a centered nee-
dle when the SXTK has been captured. BRG, DIS, ETE remain
referenced to the current TO waypoint.
NOTE: If the system is coupled to the autopilot, the roll command
will turn the aircraft to intercept the parallel course at the selected
If XTK is greater than 12.5NM, VNAV will become INVALID and no
vertical deviation information will be displayed.
Canceling Parallel Course
NAV Key - DEPRESS to
display page with SXTK.
DEPRESS to position
cursor over SXTK field .
BACK Key - DEPRESS.
The cursor field will dis-
inform the pilot of the
ENTER Key - DEPRESS. The steering reference will be to the
original desired track.
NOTE: Any Leg Change (manual or automatic) including DIRECT
TO will also cancel selected crosstrack (SXTK).
Flight Management System