Required navigation performance (RNP)

{
  "id": "MLC-T-AVN-000824",
  "term": "Required navigation performance (RNP)",
  "field": "Aviation and air traffic control",
  "definition": "A statement of the navigational performance necessary for operation within a defined airspace. The following terms are commonly associated with RNP:\n\na. Required Navigation Performance Level or Type (RNP-X). A value, in nautical miles (NM), from the intended horizontal position within which an aircraft would be at least 95-percent of the total flying time.\n\nb. Advanced - Required Navigation Performance (A-RNP). A navigation specification based on RNP that requires advanced functions such as scalable RNP, radius-to-fix (RF) legs, and tactical parallel offsets. This sophisticated Navigation Specification (NavSpec) is designated by the abbreviation “A-RNP”.\n\nc. Required Navigation Performance (RNP) Airspace. A generic term designating airspace, route(s), leg(s), operation(s), or procedure(s) where minimum required navigational performance (RNP) have been established.\n\nd. Actual Navigation Performance (ANP). A measure of the current estimated navigational performance. Also referred to as Estimated Position Error (EPE).\n\ne. Estimated Position Error (EPE). A measure of the current estimated navigational performance. Also referred to as Actual Navigation Performance (ANP).\n\nf. Lateral Navigation (LNAV). A function of area navigation (RNAV) equipment which calculates, displays, and provides lateral guidance to a profile or path.\n\ng. Vertical Navigation (VNAV). A function of area navigation (RNAV) equipment which calculates, displays, and provides vertical guidance to a profile or path.",
  "abbreviation": "RNP",
  "synonyms": [
    "Actual navigation performance (ANP)",
    "Estimated position error (EPE)"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/required-navigation-performance-rnp/"
}