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Current rule
CASR Part 91 Subpart U – Navigation approvals

Subpart 91.U is a subset of the complete CASR Part 91 (General operating and flight rules). Subpart 91.U is being developed to:

  • provide a comprehensive and structured regulatory regime (under the CASR) for all Australian-issued navigation approvals;
  • accord with the requirements of ICAO Annex 6 for RNP approvals;
  • consolidate existing navigation regulations and approvals with those needed by Australian operators for operations in Australian domestic, foreign continental and international airspace;
  • improve safety by governing entry control and providing for monitoring of the airspace system;
  • enable operators to gain the operational benefits available from reduced separation minima; and
  • provide clear guidance material on the administrative process for gaining a navigation approval for RNP operations, including the procedures for entry control, monitoring and enforcement.

Who Subpart 91.U affects

  • Air transport operators;
  • Regional airlines;
  • Corporate and private jet operators;
  • Flight crew; and
  • Airservices Australia.

Key proposals

  • New regulations governing RNP operations will be created within CASR Part 91 - General operating and flight rules;
  • A new Subpart 91.U governing the RNP approval process will be created within CASR Part 91 - General operating and flight rules;
  • A MOS, containing mandatory airworthiness and operational standards applicable to RNP operational approvals, will be created; and
  • Advisory Circulars, explaining the administrative process for gaining RNP 4 and RNP 10 operational approval, will be published. Existing standards for RNP 10 approvals will be incorporated in the proposed legislation and new standards will be established for RNP 4 approvals.