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Geoinformatics_04-2009
article making alaskan airfield approaches safer mobilemapper 6 and lti rangefinder approaching alaskan airfields can be an aerial obstacle course for jets making descents and landings. often surrounded by challenging mountainous terrain, air corridors into and out of the airfields may be hemmed in by pinnacles, towering conifers and even cell towers. approach procedures, called required navigation performance (rnp), rely on onboard avionics to keep an aircraft away from obstacles and within a tightly specified airspace corridor. among the stored data inputs to the onboard avionics are three-dimensional fixed waypoints to help aircraft navigate the approach and departure corridors. by robert wick laska airlines, a recognized leader in developing safer and more efficient approach and departure operations through faa-certified rnp, is continually gathering data about potential approach and departure obstacles. the more than 30 rnp procedures at the eight airfields currently served by rnp in alaska are being updated to reduce aircraft track miles. in addition, eight new airfield locations currently without rnp procedures are slated to have multiple rnp procedures by 2010. a the eagles are steadily watching the airport team mapping the dumpsters around the airport runway 16 june 2009
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