UFC 3-535-01
17 November 2005
3-3.5
Equipment Used
See paragraph 13-9.1 for applicable components.
3-3.6
Compliance with International Standards
There are no equivalent systems in the ASCC or NATO standards.
3-4
SIMPLIFIED SHORT APPROACH LIGHTING SYSTEM WITH RUNWAY
ALIGNMENT INDICATOR LIGHTS (SSALR):
3-4.1
Purpose
The SSALR is a simplified version of the ALSF-1 or ALSF-2. This system configuration
is achieved by electrically switching off elements of an ALSF-1 or ALSF-2 for energy
conservation purposes, when weather conditions permit.
3-4.2
Configuration
The SSALR, shown in Figure 3-8, is configured as an ALSF-1, except that the outer 480
meters (1,600 feet) of the steady burning lights are inoperative as are the odd
numbered light stations on the inner 300 meters (1,400 feet), the outer three lights at
each end of the 1,000-foot bar, and the red lights in the terminating and pre-threshold
bars. Also, the sequenced flashing lights are inoperative at stations 10+00 through
15+00 and at the odd numbered stations thereafter.
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