JO 7110.65 3-4-6

When operating ALS as prescribed in paragraph 3-4-5 , Approach Lights, operate intensity controls in accordance with the values in TBL 3-4-5 except:

When facility directives specify other settings to meet local atmospheric, topographic, and twilight conditions.

As requested by the pilot.

As you deem necessary, if not contrary to pilot's request. TBL 3-4-5 ALS Intensity Setting

Step

Visibility

(Applicable to runway served by lights)

Day

Night

5

Less than 1 mile*

When requested

4

1 to but not including 3 miles

When requested

3

3 to but not including 5 miles

Less than 1 mile*

2

5 to but not including 7 miles

1 to 3 miles inclusive

1

When requested

Greater than 3 miles

*and/or 6,000 feet or less of the RVR on the runway served by the ALS and RVR.

NOTE-

Daylight steps 2 and 3 provide recommended settings applicable to conditions in subparagraphs b and c . At night, use step 4 or 5 only when requested by a pilot.