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3-27
Rev 1
3.8 DIRECT TO OPERATION
The D button is used to initiate Direct To operation
(navigation from your present position direct to your desti-
nation). When D is pressed, the Direct To page will be
displayed on the left side with a flashing cursor over a
waypoint identifier (figure 3-87). The waypoint identifier
which appears on the Direct To page is chosen by the
KLN 90B according to the following rules:
1. If the Flight Plan 0 page is displayed on the left side
and the cursor is over one of the waypoint identifiers
in Flight Plan 0 when D is pressed, then that way-
point identifier will appear on the Direct To page. (You
will appreciate this feature when you learn to use flight
plans in chapter 4).
2. If the KLN 90B is displaying the Super NAV 5 page
and the right inner knob is in the “out” position, then
the waypoint highlighted in the lower right hand corner
of the Super NAV 5 display will be the default way-
point. (You will also find this feature useful when oper-
ating from the active flight plan especially during
approaches).
If condition number 1 or 2 isn’t occurring, then:
3. If there is any waypoint page (APT 1-8 page, VOR
page, NDB page, INT page, SUP page, or ACT page)
in view on the right side when D is pressed, then the
Direct To page will contain the identifier for the way-
point page being viewed on the right side.
If none of conditions number 1, number 2 nor number 3
above are occurring, then:
4. When D is pressed, the waypoint identifier for the
current active waypoint will be displayed. However, if
the active waypoint is the Missed Approach Point and
the aircraft is on the “from” side, then the KLN 90B will
display the first waypoint of the missed approach
procedure on the Direct To page.
5. If there is no active waypoint when D is pressed, then
the Direct To page displays blanks. In order for there
not to be an active waypoint, there is no Direct To way-
point and there are no waypoints in Flight Plan 0.
All right, rules are rules, you say. But how do I perform
Direct To navigation? Since you won’t learn flight plan
operation until later, let’s see how to apply rules 3 and 4
at this time to proceed Direct To our desired destination,
Oshkosh, Wisconsin. The identifier for Wittman field in
Oshkosh is KOSH.
DIRECT TO: |
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KDEN |
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CRSR
Figure 3-87