EOM April 03

نویسندگان

  • Christopher Parrish
  • Jason Woolard
  • Brad Kearse
چکیده

T he National Airspace System (NAS) handles more than 55,000 daily flights, which use 12,300 instrument approach procedures. These instrument approach procedures allow pilots to navigate safely into airports in reduced-visibility weather conditions by following specified flight courses, turns, and minimum altitudes. Over the past decade, the number of instrument procedures for aircrafts has grown by approximately 50%. As part of its precise positioning activities, the National Oceanic and Atmospheric Administration’s (NOAA) National Geodetic Survey (NGS) supports the NAS and instrument procedure development by managing the Aeronautical Survey Program in accordance with a series of interagency agreements with the Federal Aviation Administration (FAA). The National Spatial Reference A I R B O R N E L i D A R

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تاریخ انتشار 2004