Regulations and Government
Draft Advisory Circular Updates RVSM Approval Guidance
Draft document outlines means for operators to obtain initial operational RVSM authorization or amend an existing operational authorization.

The FAA's proposed Advisory Circular 91-85A describes various acceptable means for operators to obtain initial operational authorization or amend an existing operational authorization to conduct flight in airspace or on routes where reduced vertical separation minimums (RVSM) are applied. RVSM airspace includes any airspace or route between FL290 and FL410, inclusive, where aircraft are separated vertically by 1,000 feet.