Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 72
0 1 2 3 4
MODE 5 EXCESSIVE GLIDESLOPE DEVIATION
GLIDESLOPE DEVIATION (DOTS FLY UP)
M
IN
T
E
R
R
A
IN
C
LE
A
R
A
N
C
E
(F
T
)
(T
housands)
SOFT GLIDESLOPE ALERT ENVELOPE
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2.98 DOTS
1.3 DOTS
1000 FT
30 FT
SOFT ALERT AREA
150 FT
FIGURE 6.2.5-2 MODE 5 STATIC SOFT ALERT ENVELOPE
A second alert boundary (Figure 6.2.5-3) occurs below 300 feet radio altitude with greater than 2 dots deviation and is called
“loud” or “hard” glideslope alert because the volume level is increased to that of the other alerts.
0 1 2 3 4
MODE 5 EXCESSIVE GLIDESLOPE DEVIATION
GLIDESLOPE DEVIATION (DOTS FLY UP)
M
IN
T
E
R
R
A
IN
C
LE
A
R
A
N
C
E
(F
T
)
(T
housa
nds)
HARD GLIDESLOPE ALERT ENVELOPE
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2DOTS
3.68 DOTS
300 FT
30 FT
HARD ALERT
AREA
150 FT
FIGURE 6.2.5-3 MODE 5 STATIC HARD ALERT ENVELOPE