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May 4, 2011 - April-May 2011 - News

To our customers;

One of the most striking photos we have taken over the years is the one shown on the front page of our Website. This is a C130 Hercules on approach over the localizer antennas located at a mining operation in the Canadian Arctic.

Canadian mining operations in the north, use aviation as the lifeline for transport of goods and personnel back and forth. Approach Navigation has been involved with the supply and installation of navigation and weather equipment for many of Canada’s mines and exploration activities. At most of these facilities, an AWOS (Automated Weather Observation System) has been installed and is still the primary weather data collection instrument used at the mines.

One of the mines employed a NDB (Non-Directional Beacon) and a co-located DME (Distance Measuring Equipment). Together with these instruments the approach procedures allowed the approaching aircraft to get down to decision heights below the 400 foot level. This was an acceptable limit during the early phases of the mine. However, as the mine grew with its success, so did the waste pile of rock. Being that this particular mine is located on an island, where could all this rock go. The only place available was up, so as the waste piles grew in size, so did their infringement of protected airspace.

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