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5-1
5.1 TRIP PLANNING
There are seven Trip Planning pages (TRI) that can be
displayed on the left side of the screen. The KLN 90B
allows three kinds of trip planning. The TRI 1 and TRI 2
pages team together to provide trip planning from your
present position to any waypoint of your choice. The
TRI 3 and TRI 4 pages provide trip planning between
any two waypoints, and the TRI 5 and TRI 6 pages pro-
vide an analysis of any of the 26 flight plans (FPL 0,
FPL 1, FPL 2, ..., FPL 25) stored in the Flight Plan
pages. The TRI 0 page is used to enter estimates of
your true airspeed and of the winds so that the KLN 90B
can perform wind triangle calculations for use on the
other Trip Planning pages.
Data entered on any of the Trip Planning pages has no
effect on navigation data provided on any Navigation
(NAV) or Flight Plan (FPL) pages. You may perform trip
planning without disturbing ongoing navigation.
NOTE: The Trip Planning pages rely on pilot enterable
inputs for true airspeed, groundspeed, and fuel flow.
These pages do not utilize inputs from fuel flow or air
data sensors. Fuel management and air data pages are
discussed in section 5.10 and 5.11.
NOTE: Areas of special use airspace are displayed on
the Trip Planning pages without regard to altitude.
Rev 1
CHAPTER 5 - LEVEL 3 OPERATION
the Trip Planning pages, the Calculator pages, and
other features that you may find very beneficial and con-
venient to use in your flying.
This is the third of four chapters specifically dealing with
operating the KLN 90B. In this chapter you will learn to
use many of the supplementary features of the KLN
90B. These include such things as the Advisory VNAV,