Navigation reference system (NRS)

{
  "id": "MLC-T-AVN-000652",
  "term": "Navigation reference system (NRS)",
  "field": "Aviation and air traffic control",
  "definition": "The NRS is a system of waypoints for use within the United States for flight planning and navigation without reference to ground based navigational aids. These waypoints are located in a grid pattern along defined latitude and longitude lines and are available for use at or above FL180 by aircraft capable of point-to-point navigation.",
  "abbreviation": "NRS",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/navigation-reference-system-nrs/"
}