New Zealand NSS prompts capability decisions

The New Southern Sky (NSS) programme charting the transition by New Zealand to advanced air traffic management technologies is approaching the completion of its second phase, according to Ian Thompson writing in Australian Aviation magazine.

The next stage of the New Zealand programme will feature the implementation of a new surveillance system including ADS-B, performance-based navigation and a new ATM system, and will be accompanied by a future technology safety assurance project. The entire programme is scheduled for completion by the end of 2023.

Airways New Zealand’s existing network of primary and secondary radars will need to be replaced before the end of 2021 by a network of ADS-B receivers that will be integrated into an existing wide-area multilateration system.

This new network will provide 45 per cent additional surveillance coverage of New Zealand while a secondary radar-based backup surveillance network will provide coverage across the main trunk routes linking Auckland, Wellington and Christchurch alongside additional non-cooperative surveillance systems.

A ministerial rule is expected to be issued mid-year to require ADS-B equipage for operations above FL245 from December 31 2018, and ADS-B is planned to be mandatory within all controlled airspace from December 31 2021. Although the proposed mandates apply to ADS-B Out, users are also being encouraged to install ADS-B In capability to enable improved situational awareness which will be especially useful in mountainous terrain like around Queenstown.