Als Intensity Settings

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:

1. When facility directives specify other settings to meet local atmospheric, topographic, and twilight conditions.
2. As requested by the pilot.
3. 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.