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4/20/23 

AIM 

5. 

For 2

bar VASI (4 light units) see FIG 2

1

2

FIG 2

1

2

Bar VASI 

Far Bar 

= Red 

Near Bar 

= White 

Below Glide Path 

On Glide Path 

Above Glide Path 

6. 

For 3

bar VASI (6 light units) see FIG 2

1

3

FIG 2

1

3

Bar VASI 

Far Bar 

Middle Bar 

Near Bar 

Below Both 

On Lower 

On Upper 

Above Both 

Glide Paths 

Glide Path 

Glide Path 

Glide Paths 

7. 

For other VASI configurations see FIG 2

1

4. 

FIG 2

1

VASI Variations 

2 Bar 

2 Bar 

3 Bar 

2 Light Units 

12 Light Units 

16 Light Units 

On Glide Path 

On Glide Path 

on Lower Glide Path 

Airport Lighting Aids 

2

1