| Term: |
MINIMUM SECTOR ALTITUDE [ICAO] |
|---|---|
| Meaning: | 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. |
| Previous Term: | MINIMUM SAFE ALTITUDE WARNING (MSAW) |
| Next Term: | MINIMUM VECTORING ALTITUDE (MVA) |