Operate the runway edge light system/s serving the runway/s in use as follows:
Between sunset and sunrise, turn the lights on:
For departures. Before an aircraft taxies onto the runway and until it leaves the Class B, Class C, or Class D surface area.
(a) IFR aircraft - Before the aircraft begins final approach, or
(b) VFR aircraft - Before the aircraft enters the Class B, Class C, or Class D surface area, and
(c) Until the aircraft has taxied off the landing runway.
Between sunrise and sunset, turn the lights on as shown in subparas a1 and a2 when the surface visibility is less than 2 miles.
As required by facility directives to meet local conditions.
Different from subparas a, b, or c above, when:
You consider it necessary, or
Requested by a pilot and no other known aircraft will be adversely affected.
NOTE: Pilots may request lights to be turned on or off contrary to subparas a, b, or c. However, 14 CFR Part 135 operators are required to land/takeoff on lighted runways/heliport landing areas at night.
Do not turn on the runway edge lights when a NOTAM closing the runway is in effect.
NOTE: Application concerns use for takeoffs/landings/approaches and does not preclude turning lights on for use of unaffected portions of a runway for taxiing aircraft, surface vehicles, maintenance, repair, etc.
FAA Order JO 7210.3, Para 10-6-3, Incompatible Light System Operation.
FAA Order JO 7210.3, Para 10-6-9, Runway Edge Lights Associated With Medium Approach Light System/Runway Alignment Indicator Lights.