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AIM

10/12/17

2−1−3

Airport Lighting Aids

5. For 2−bar VASI (4 light units) see FIG 2−1−2.

FIG 2−1−2

2−Bar VASI

Far Bar

= Red

= White

Near Bar

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

3−Bar VASI

Far Bar

Middle Bar

Near Bar

Below Both
Glide Paths

On Lower
Glide Path

On Upper
Glide Path

Above Both
Glide Paths

7. For other VASI configurations see FIG 2−1−4.

FIG 2−1−4

VASI Variations

2 Bar

2 Light Units

On Glide Path

2 Bar

12 Light Units

On Glide Path

3 Bar

16 Light Units

on Lower Glide Path