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REDUCED VERTICAL SEPARATION MINIMUM (RVSM) AIRSPACE

Airspace

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RVSM airspace is defined as any airspace between FL 290 and FL 410 inclusive, where eligible aircraft are separated vertically by 1,000 feet. Authorization guidance for operations in this airspace is provided in Advisory Circular AC 91-85.

Source FAA Pilot/Controller Glossary · checked 2026-08-25

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