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Meaning of minimum sector altitude | Babel Free

Noun CEFR C1

Definitions

The lowest altitude which will provide a minimum clearance of 1000 ft (300 m) above all objects located in an area within a circular sector having a radius of 25 nautical miles (46 km) around a radio navigational aid.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

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