What is the purpose of RVSM?

The purpose of RVSM, or Reduced Vertical Separation Minimum, is to reduce the vertical separation of IFR (Instrument Flight Rules) traffic between aircraft, particularly in the flight levels between 29,000 feet and 41,000 feet. By decreasing the vertical separation from 2,000 feet to 1,000 feet for aircraft operating in this airspace, RVSM enhances the capacity of the airspace, allowing for more efficient use of flight levels.

This reduction in separation is beneficial because it allows for more aircraft to operate simultaneously at higher altitudes, significantly increasing airspace efficiency. The implementation of RVSM requires that aircraft meet specific performance requirements, including altitude-keeping performance and equipage standards, to ensure safety in close vertical spacing.

The other options relate to different aspects of airspace management and do not accurately describe the intent of RVSM. The goal is specifically about vertical separation reduction, enhancing the traffic flow in busy air corridors without compromising safety.