T-45A UJPT & E2-C2 INav-03
Use and Operation of TACAN, VOR, VOR/DME
4. HSI
a. No. 1 pointer (VOR relative bearing pointer) indicates magnetic
bearing to tuned VOR station
b. Red NAV flag in view
(1) System power off
(2) Invalid or absent signal
c.
TO/FROM indicator displays TO or FROM depending on No. 1
pointer’s position in relation to selected course
d. Course deviation bar indicates up to 10-degrees of deviation
from selected VOR course
B. Tuning/identifying 2.7.5.1.1.1.2
Fig 10: HSI Display/
VOR Operation
1. Find frequency on approach plates/charts
2. Verify VOR/ILS control panel is on, volume is turned all the way up,
and select frequency on the VOR/ILS control panel
3. Select VOR on communication control panel to route VOR
identification signal to your headset
4. Verify 3-letter Morse code identifier and/or recorded voice of
selected station
C. HSI indications
1. No. 1 pointer indicates magnetic bearing to station
2. Red NAV flag not in view
3. TO or FROM displayed
4. CDI indicates deviation from selected course
D. Erroneous information: minimal cone of confusion 2.7.5.1.1.2.3
1. HSI
a. No. 1 pointer hunts or rotates
b. CDI oscillates from side to side
c.
TO/FROM indicator shifts back and forth
d. Red NAV flag in view
2. Identifier signal not affected
(6-99) Original
Page 3-19
Previous Page
