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|  CHAPTER FOUR
T-6A INSTRUMENT NAVIGATION
404. DIRECT TO A STATION (VOR)
DIRECT TO A STATION PROCEDURES
Perform the following procedures when proceeding direct to a station.
1.
Tune. Select the desired frequency or channel.
2. Identify the station by turning up the volume on the proper audio mixer switch and
compare the station identifier against the Morse Code found on the enroute chart or approach
plate.
NOTE
A TACAN station identification occurs approximately every 35
seconds and a VOR station identification is continuous. If you do
not know Morse Code, then ensure you verify the signal against a
chart depicting the signal (Enroute Low/High Altitude Charts or
Low/High Altitude Approach Charts).
3. Monitor the station identifier to ensure continuous signal integrity. Navigation information
is reliable only when:
a.
The warning indicator (red X) is not displayed.
b.
The NAVAID identifier is received.
c.
The aircraft is within the usable range of the equipment.
4.
Confirm the correct source for the bearing pointer/CDI.
5. Turn the aircraft in the shortest direction to place the head of the bearing pointer under the
heading index.
6. Twist the course knob to center the CDI ensuring you have a TO indication (or simply pull
the CDI knob). This will be your direct course to the station. Report the course to your
instructor. Use tracking procedures to track direct to the NAVAID.
COMMON ERRORS
1.
Not turning to place the needle under the heading index.
2. Not twisting the inbound course into the CDI, or centering the CDI prior to placing the
needle under the heading index.
3.
Not applying the proper wind corrections to track direct.
4.
Reporting the heading instead of the course to the station.
4-12 INSTRUMENT NAVIGATION
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