New Technology Will Produce Safer Maps

Pilots may presume that we now have access to accurate terrain maps nationwide, but in some remote areas, maps may be based on incomplete data or inaccurate observations that are decades old. "Mars is better mapped than the state of Alaska," Steve Colligan, president of E-Terra, an Anchorage mapping firm, told The Washington Post recently. Fatal accidents have been blamed on a lack of accurate terrain data that could have made a difference to pilots caught in changing weather in the… (www.avweb.com) さらに...