Published date: 2 December 2014


This Advisory Circular (AC) describes an acceptable means of compliance with requirements relating to the approval of operators for RVSM operations.

Related rules

This AC relates specifically to Civil Aviation Rule 91.519.

Change notice

Revision 2 supersedes AC91-4 Revision 1 dated 24 January 2000. It provides information on initial and on-going requirements for approval to conduct RVSM operations between flight level (FL) 290 and FL 410.