UFC 3-535-01
17 November 2005
Advisory Circular criteria, also refer to the CIE color coordinate diagram. (See Figure
13-1.)
13-9
EQUIPMENT FOR APPROACH LIGHT SYSTEMS
In-pavement approach lights in overrun areas use FAA Type L-850E fixtures which are
red or white as required.
13-9.1
High Intensity Approach Light System ALSF-1
See paragraph 3-1.
13-9.1.1
Pre-threshold Bar
Use fixtures meeting FAA-E-982 with red filters. (See Figure 13-2.)
13-9.1.2
Terminating Bar
Use fixtures meeting FAA-E-982 with red filters. (See Figure 13-2.)
13-9.1.3
1,000-foot Crossbar
Use fixtures meeting FAA-E-982 with no filter. (See Figure 13-2.)
13-9.1.4
Centerline Light (Barrettes)
Use fixtures conforming to FAA AC 150/5345-46, type L-850E without filters. (See
Figure 13-3.)
13-9.1.5
Centerline Light (Barrettes)
For stations 10+00 to station 30+00 and unpaved end zone areas use fixtures meeting
FAA-E-982 without filters. (See Figure 13-2.)
13-9.1.6
Approach Threshold Lights
Use fixtures conforming to FAA AC 150/5345-46, type L-850E with green filters. (See
Figure 13-3.)
13-9.1.7
Sequence Flashing Lights SFL
Use fixtures meeting FAA-E-2628 Type I or conforming to FAA AC 150/5345-51,
Specification for Discharge-Type Flasher Equipment, type L-849 Style E. (See Figure
13-5.)
13-9.2
High Intensity Approach Light Systems ALSF-2
See paragraph 3-2. This system is a modified ALSF-1 system, the following areas have
additional light fixtures:
13-9.2.1
500 Foot Bar
Use fixtures conforming to FAA AC 150/5345-46, type L-850E without filters. (See
Figure 13-3.)
13-9.2.2
Side Row Lights
Use fixtures meeting FAA-E-982, with red filters. (See Figure 13-2.)
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