Salient Features

  • First of its kind, made in India product.Drishti
  • Mandatory equipment required for safe landing and take-off operations at the airport.
  • Meets standards of International Civil Aviation Organisation (ICAO) and World Meteorological Organisation (WMO).
  • Suitable for all categories of airports.
  • Measures visibility as low as 4m and as high as 10km
  • 104 systems have already been installed at different airports in India.
  • Drishti is suitable for all categories of airports viz. CAT I, CAT II, CAT III A&B and measures visibility down to 4 meters.


Baseline 30 meters between Tx and Rx
 Measurement Range

 10-10000 m (MOR) Reporting value : 3000m

 50-2000 m (RVR)

Accuracy Meets ICAO & WMO requirements as detailed in ICAO document 9328
Light Source LED with spectral characteristics similar to runway lights
Spectral  response Visible Range
Data acquisition system Embedded FPGA system A/D converter
Radio communication High gain Wi-Fi system operating on 2.4 GHz free band
Background Luminance Sensor

2 - 4000 cd/m2 covering the range of night, twilight, normal day & bright day


Temperature range -40 to +60 degree celsius

Humidity                  0 to 100% RH

Wind                       60 m/s

Power Input 230V AC, 50Hz (range 180 - 240V)