Figure 3-40. Deleting a Flight Plan
af. Storing FPL 0 As A Numbered Flight Plan.
The active flight plan may be loaded into a numbered
flight plan so that it can be recalled for later use.
1. Select a numbered flight plan page that
does not contain any waypoints. If none
exist, use the procedure for deleting flight
plans to clear a flight plan that is no longer
2. Press the left CRSR button to turn on the
left cursor function. The cursor will come
on over the first blank waypoint position.
3. Rotate the left outer knob one step
counterclockwise to position the cursor
over LOAD FPL 0. Refer to Figure 3-41.
4. Press the ENT button to load the active
flight plan into this numbered flight plan.
LOAD FPL 0?
Figure 3-41. Storing 0 As A Numbered Flight Plan
ag. Operating From The Active Flight Plan.
The following rules and considerations apply for flight
plan operation while the KLN 90B is in the Leg mode.
(1) Although any of the pages may be
utilized while operating along a flight plan, common
selections are the FPL 0 page on the left side while
Distance/Time pages or the NAV 5 page on the right
side. The Super NAV 5 page is especially useful for
flight plan operation. It provides a visual orientation of
the aircraft position in the active flight plan. The other
four NAV pages may also be used extensively.
(2) Always verify that the FPL 0 page is in
(3) The active leg of the flight plan is
designated with a symbol. Refer to Figure 3-42. A
leg is defined as the course line between a pair of
points. The head of the arrow is positioned to the left
of, and points to, the active TO waypoint. The tail of
the symbol points to the FROM waypoint. The symbol
is not displayed unless the KLN 90B is receiving
signals suitable for navigation. Also, the symbol will
not be displayed if DIRECT TO navigation is occurring.
The top of the NAV 1 page will also indicate if point to
occurring. To cancel the DIRECT TO operation and
operate from the active flight plan; press the
D button, then the CLR button and the ENT button.
(4) As the flight plan waypoints are reached,
the active leg symbol automatically orients itself on the
Figure 3-42. Storing a Flight Plan
(5) If the flight plan contains more waypoints
than can be displayed on the screen at one time, the
page will automatically scroll as progress is made
along the flight plan so that the active leg is always
(6) The last waypoint in the flight plan is
always displayed at the bottom of the FPL 0 page,
even if all of the waypoints in the flight plan can't be