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| T-45C TS INav-07
Interpretation of High Altitude Instrument Approach Plates
4.
Concentric rings on planview
Sg 2, fr 24
a.
20-mile radius circle around navigation facility: features
encircled by bold print line are to scale
b.
Feeder and high altitude facilities--NAVAIDs
(1)
Orientation to approach pattern
(a)
Distance/course to IAF
(b)
May show bearing/distance to transitional or
holding fixes
(2)
Usually not to scale
(3)
Orientation of one remote NAVAID to another
5.
Types of NAVAIDs
Sg 2, fr 29
a.
Azimuth information only
(1)
VHF omni-range (VOR)
(2)
Localizer
(3)
Non-directional and marker beacons
b.
Bearing and distance information
(1)
Tactical air navigation (TACAN)
(2)
VOR combined with distance measuring equipment
(VOR/DME)
(3)
VOR combined with TACAN (VORTAC)
6.
Obstacles and spot elevations
Sg 2, fr 33
a.
Obstacles--man-made obstructions
(1)
Single: inverted V with elevation in feet
(2)
Group: two overlapping inverted Vs with elevation
in feet
(3)
Highest: large inverted V with elevation in feet
Page 7-9
(2-02) Original
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