background image

4/20/23 

AIM 

FIG 2

1

12 

Taxiway Lead

On Light Configuration 

TBL 2

1

Runways With Approach Lights 

Lighting System 

No. of Int. 

Steps 

Status During 

Nonuse Period 

Intensity Step Selected Per No. of Mike Clicks 

3 Clicks 

5 Clicks 

7 Clicks 

Approach Lights (Med. Int.) 

Off 

Low 

Low 

High 

Approach Lights (Med. Int.) 

Off 

Low 

Med 

High 

MIRL 

Off or Low 

 

 

 

HIRL 

Off or Low 

 

 

 

VASI 

Off 

 

 

 

NOTES

 

Predetermined intensity step. 

 

Low intensity for night use. High intensity for day use as determined by photocell control. 

TBL 2

1

Runways Without Approach Lights 

Lighting System 

No. of Int. 

Steps 

Status During 

Nonuse Period 

Intensity Step Selected Per No. of Mike Clicks 

3 Clicks 

5 Clicks 

7 Clicks 

MIRL 

Off or Low 

Low 

Med. 

High 

HIRL 

Off or Low 

Step 1 or 2 

Step 3 

Step 5 

LIRL 

Off 

On 

On 

On 

VASI

 

Off 

 

 

 

REIL

 

Off 

Off 

On/Off 

On 

REIL

 

Off 

Low 

Med. 

High 

NOTES

 Low intensity for night use. High intensity for day use as determined by photocell control. 

 The control of VASI and/or REIL may be independent of other lighting systems. 

Airport Lighting Aids 

2

1

11