Contarnex Europe Limited : Aviation : Frangible Applications

Frangible Applications

Proper design and installation of visual and non-visual aids (e.g. approach lighting towers, meteorological equipment, radio navigation aids) are prerequisites for safety and regularity of civil aviation.

At airports, various visual and non-visual aids are located near runways, taxiways and aprons where they may present a hazard to aircraft in the event of accidental impact during landing, take-off or ground maneuvering.

All such equipment and their support structures shall be frangible and mounted as low as possible to assure that impact will not result in the loss of control of the aircraft

ICAO - Aerodrome Design Manual - Part 6 Frangibility

Frangible - adjective : easily broken; breakable; fragile; brittle

	Fencing
	Frangible Fencing a glass fibre plastic construction, no electromagnetic interference, not affect ILS. Pre-assembled fence panels are light to carry and easy to handle, allowing two man crew to install over 100m of fence per day.

	Glide Path Towers
	Frangible Glide Path Antenna Towers are part of the ILS. Glass Fibre contruc-tion incorporating the stiffness required to ensure antennas work properly at heights. ICAO has indicated that frangibility for GP structures may be demanded in the future.

	Weathermasts
	Frangible weathermasts for installation in critical areas for: wind direction indicators, anemometers, ceilometers, transmissometers. Centre hinged or base hinged operation, easy installation and maintenance, fully frangible no break away points.

	Wind Cone Towers
	Frangible Wind Cones Towers, FAA for airports and heliports and areas requiring wind observation to ICAO & FAA regs state frangibility requirements. They are installed adjacent to runway touchdown zones to indicate local wind conditions.

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