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| T-45C TS INav-07
Interpretation of High Altitude Instrument Approach Plates
c.
Location/type of arresting gear/barriers
d.
Field elevation/touchdown zone elevation (TDZE) - first
3,000 ft of straight-in instrument runway, starting at the
threshold
e.
Location of airport tower/rotating beacon - When control
tower and rotating beacon are co-located, beacon symbol
will be used and further identified as TWR
f.
Position/height of obstacles - Positional accuracy within
+ 600 ft unless otherwise noted on the chart
g.
Position of airport NAVAID
h.
Type of runway/approach lighting available
(1)
Approach light symbols/pictorials are shown in the
Flight Information Handbook
(2)
Visual Glideslope Indicators
(a)
Visual Approach Slope Indicator (VASI)
V
i.
Both sides of runway
ii.
Visible 5 miles daytime, 15-20 miles at
night
iii.
WHITE over WHITE -- Too high
RED over WHITE -- On glideslope
RED over RED -- Too low
(b)
Precision Approach Path Indicator (PAPI)
P
Fig 3: Precision
Approach Path
i.
New international system replacing VASI
Indicator (PAPI)
ii.
Bar of four lights, usually on left side of
runway
iii.
4 WHITE lights -- Too high
2 WHITE, 2 RED lights -- On glideslope
4 RED lights -- Too low
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(2-02) Original
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