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Helicopter Approach Path Indicator

Aplicattion / Use

The signal format of the HAPI shall include four discrete signal sectors, providing an “adove slope”, an “on slope”, a “slightly below” and a “below slope” signal.

Compliance with standards

  • ICAO Annex 14, Vol II
  • ICAO- PHOTOMETRIC Figure 5-14 and 5-15
  • CHROMATICITY – Section 5.3.5

Data Sheet

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