minimum sector altitude

noun

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.

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MSA
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Meanings

nounminimum sector altitude (plural minimum sector altitudes)

plural minimum sector altitudes

  1. aeronauticsThe 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.

    Synonyms: MSA

Synonyms & antonyms

nounThe 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.

Similar
MSA
Cite this entry
APA

minimum sector altitude. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/minimum%20sector%20altitude

MLA

“minimum sector altitude.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/minimum%20sector%20altitude. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “minimum sector altitude,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/minimum%20sector%20altitude.

Source: minimum sector altitude on Wiktionary, CC BY-SA 4.0.