Compliances:

FAA L-881 Photometrics per FAA Advisory Circular 150/5345-28G
FAA AC 150/5390-2B Heliport Design Guide
Registered ISO 9001:2008
ICAO Annex 14, Volume II

CHAPI is a modified PAPI system for use as visual slope guidance on heliports.
One CHAPI system is for one helicopter approach path.
It is installed on the side opposite the approach, facing across the landing area.

Each CHAPI system consists of two (2) CHAPI units

Type - Voltage/Frequency Required (one per site)
CHAPI-CM-HT12/P
120 volts, 60 Hz Clinometer
220-240 volts, 60 Hz (aiming device)
220-240 volts, 50 Hz

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A.Monitor Function Type Requires Power Line seperate from signal line,the power circuit of each unit can be independently connected,pls check signal circuit was connected by corresponding color when ensure power supply works normally.

B.Check if there's short circuit or leakage phenomenon with the signal circuit after excluding the condition above.

Light-operated switch can't work normally
A.The Unit can't work at day: Pls check if the light-operated detector is closed over by dust;
B.The Unit can't work at night: Pls check if light-operated detector is influenced by direct light or strong reflective light;
C.Testing the unit at day: Most of customers test the unit by Closing over the light-operated detector using their hands.Since the strong Radiation of sunshine,the light-operated function can't work.The proper method is using 3 layers of black opacity adhesive tapes.

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