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Contarnex Europe Limited
Frangible Aviation Structures and LED Obstruction Lighting Specialists

Frangible Weather Masts

Support structures for wind direction indicators, transmissometers and forward scatter meters should be tested for frangibility in accordance with procedures for approach lighting towers.

Exel poles and lattice masts have been full scale impact tested to verify compliance with frangibility ruling.
To support wind cones both types can be applied:
To use pole or lattice type is subject to the size of the cone. Wind cone masts are supplied as complete assemblies with wind cone and obstruction light or as a frangible support only. Two configurations are available:

For anemometers lattice masts are used in most cases:

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