TM 55-1510-215-MTF
(2)
Insert checkpoints for flying a one-hour triangular closed
course.
(3)
Select the first checkpoint for the aircraft to fly.
(4)
Data selector switch - Set to the appropriate positions and
observe range, heading and ground speed.
(5)
Fly the preselected triangular course and monitor the
navigation instruments for proper operation. Verify that the
ALERT
indicator
illuminates
when
the
aircraft
is
approximately
1.3
minutes
flying
time
from
each
checkpoint.
(6)
Change to the next checkpoint.
NOTE
When second checkpoint is reached, change to
starting checkpoint.
(7)
During return flight to starting point, set the data selector
switch to the appropriate positions and monitor the
following control-indicator readouts for proper operation:
(a)
Wind direction and wind speed.
(b)
Track and ground speed.
(c)
Heading and time to destination.
(d)
Range and bearing to destination.
(e)
Local magnetic variation.
(8)
GRAPHICS FMS INS switch (instrument panel) - INS: verify
navigation data is displayed on color radar display.
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