NPRM 1320AS – Navigation authorisations
ICAO's highest priority is to implement PBN in order to maximise the associated safety, economic and environmental benefits which have been made possible by advances in navigation technology and the development of internationally agreed standards. This international initiative aims to safely maximise the utilisation of available airspace through initiatives such as reductions in oceanic and en route separation standards and track miles flown during approach to land procedures in terminal airspace.
As part of this initiative, ICAO is striving to harmonise navigation standards globally and achieve an outcome-based approach to navigation requirements and approvals through its PBN concept. This global harmonisation is being accomplished through the ICAO PBN Manual, currently at Edition 4.
The ICAO PBN Study Group (PBNSG) developed the PBN Manual over several years; the original version of CASA’s CAO 20.91 was drafted using Edition 3 and finalised drafts of material for Edition 4. Prior to completing Edition 4, the PBNSG made changes (mostly editorial) to address comments from the review process. The completion of the PBN Manual provides the additional standards to complete CAO 20.91, but also has changes that require editorial changes to CAO 20.91 so that it remains aligned with the PBN Manual.
CAO 20.18 clause 9A contained material written originally for the use of GNSS in Australia, but this material is equally applicable to PBN so has been incorporated into CAO 20.91. Therefore, a consequential revision to CAO 20.18 is required to remove clause 9A.
CASA has also drafted an Advisory Circular - AC 91.U-II-1 v1.0 - to provide guidance to industry on Navigation Authorisations.
How to respond
Comment period now closed.
2 July 2014
- NPRM 1320AS - Preamble
- ANNEX A - Response Form for NPRM 1320AS
- ANNEX B - Proposed changes to CAO 20.91 and CAO 20.18
- ANNEX C - Proposed changes to CAO 20.91
- ANNEX D - Proposed changes to CAO 20.18
- ANNEX E - Draft AC 91.U-II-1 v1.0
Contact: Jan Goosen