Minimum sector altitude [ICAO]

{
  "id": "MLC-T-AVN-000623",
  "term": "Minimum sector altitude [ICAO]",
  "field": "Aviation and air traffic control",
  "definition": "The lowest altitude which may be used under emergency conditions which will provide a minimum clearance of 300 m (1,000 feet) above all obstacles located in an area contained within a sector of a circle of 46 km (25 NM) radius centered on a radio aid to navigation.",
  "subject": "ICAO",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/minimum-sector-altitude-icao/"
}