Related Standards

  • FAA AC 150/5345-28 L-880
  • ICAO Annex 14 Vol. I Para. 5.3.5
  • STANAG 3316


  • PAPI-400 enables the pilot precisely determine the approach angle
  • PAPI-400 helps landing day and night in average conditions without the need for other instruments


  • Aerodynamic and small in size
  • Sharp transition from white to red and the intensity changes less than 3 times throughout the the full beam width
  • Long lamp life 2×200 W prefocused PK30d quartz halogen has a working life of 1500 hours at full intensity (6,6A) which increases to 2000-4000 hours in practice as the light usually operates at lower intensities
  • Mounting and setting are done easily with special equipment
  • Corrosion proof materials aluminium hardware, stainless steel screws and mounting legs
  • Stable with four legs
  • Waterproof dust proof thanks to the gasket, internal water drained through outlets
  • Lamp bases help provide a healthy beam without doing optical adjustment after each re-lamping
  • Hardened front glass against stones and other flying particles moved by the helicopter propeller