Navigation specification [ICAO]

{
  "id": "MLC-T-AVN-000653",
  "term": "Navigation specification [ICAO]",
  "field": "Aviation and air traffic control",
  "definition": "A set of aircraft and flight crew requirements needed to support performance-based navigation operations within a defined airspace. There are two kinds of navigation specifications:\n\na. RNP specification. A navigation specification based on area navigation that includes the requirement for performance monitoring and alerting, designated by the prefix RNP; e.g., RNP 4, RNP APCH.\n\nb. RNAV specification. A navigation specification based on area navigation that does not include the requirement for performance monitoring and alerting, designated by the prefix RNAV; e.g., RNAV 5, RNAV 1.\n\nNOTE: The Performance-based Navigation Manual (Doc 9613), Volume II contains detailed guidance on navigation specifications.",
  "abbreviation": "NAVSPEC",
  "subject": "ICAO",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/navigation-specification-icao/"
}