UFC 3-535-01
17 November 2005
7-11.4
Helipad Floodlights
Helipad floodlights require on and off control and intensity control from blackout to full
intensity.
7-11.5
Helipad Beacons
Provide on and off control only.
7-11.6
CHAPI
Provide on and off control and a minimum of three-step intensity control, similar to the
PAPI system.
Figure 7-8. Block Diagram With Tower
POWER SERVICE TO BUILDING
TO LANDING
POWER
DIRECTION LIGHTS
PANEL -
BREAKERS
TO PERIMETER LIGHTS
DIMMER
AS REQ'D
KEY
TO BRIGHTNESS
SWITCH
CONTROL IN TOWER
LANDING DIRECTION
LIGHTS RELAY CABINET
TO APPROACH
DIMMER
PATH INDICATOR
TO APPROACH
DIMMER
DIRECTION LIGHTS
DIMMER
TO FLOODLIGHTS
LEGEND
CONTROL TOWER
= TRANSFER RELAY CABINET
= CONTROL PANEL
TO BRIGHTNESS CONTROLLER
IN VAULT
BRIGHTNESS CONTROLLER
7-12
MONITORING REQUIREMENTS
There are no requirements for monitoring helipad lighting systems.
7-13
COMPLIANCE WITH INTERNATIONAL STANDARDS
7-13.1
ASCC
These standards meet the requirements of AIR STD 90/34, Helipad and Heliport
Marking and Lighting, for helipad lighting.
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