I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 111
FOR SIMULATION USE ONLY – NOT A TRAINING AID
NAV - TACAN NAVIGATION
The NAV page for TACAN navigation allows pilots to view the current navigation
source, view the current TO waypoint, view navigational data, and view and change
the current TACAN navigation course. It also provides access to the FMS execute
function.
Key Window Action
NAV - TCN
TCN
W1 - The current navigation source TCN is
displayed in this window and is left justified.
WPT
W2 - The current TO waypoint identifier is
displayed in this window.
NAV AID W3 - Displays NAV AID, no action when pressed.
CRS NNN
W4 - This is a data entry window with the label
CRS and the data consisting of a three-digit
number that indicates the current TACAN receiver
course for the TACAN, which has a valid entry
range of 001°-360°.
The pilot is able to insert a new NAV course using
the alphanumeric keyboard followed by a press of
the ENT button. This setting controls the selected
VHF NAV course for the PFD and NAV displays.
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