UFC 3-535-01
17 November 2005
Figure 3-4. Block Diagram-Approach Lighting, ALSF-1
PILOT RELAY
ASSY
TO
POWER
CIRCUIT
CIRCUIT
CIRCUIT
PROTECTIVE
PROTECTIVE
PROTECTIVE
DEVICES
DEVICES
DEVICES
SFL MASTER
REGULATOR
REGULATOR
REGULATOR
CONTROLLER
ASSY
ASSY
ASSY
SFL
APPROACH LIGHT AREA
3-1.9
Compliance with International Military Standards
3-1.9.1
ASCC
This standard meets the requirements for a type B approach light system, as described
in ASCC AIR STD 90/27, Aerodrome Lighting, Section One.
3-1.9.2
NATO
This standard meets requirements for a Type II approach lighting system as described
in NATO STANAG 3316, Airfield Lighting, except for the vertical aiming of the lights.
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