An RMA supports the implementation and continued safe use of RVSM within designated airspace. According to Doc 9574: Manual on Implementation of a 300 m (1 000 ft) Vertical Separation Minimum Between FL 290 and FL 410 Inclusive, principal duties and responsibilities of an RMA consist of the followings:

• establish and maintain a database of RVSM approvals;
• monitor aircraft height-keeping performance and the occurrence of LHDs and report the results appropriately;
• conduct safety and readiness assessments and report the results appropriately;
• monitor operator compliance with State approval requirements; and
• initiate necessary remedial actions if RVSM requirements are not met.