The ARTC Network Control centre procedures did not address the unique operation of the Singleton E Frame equipment to ensure correct and consistent interpretation of the indications provided on the Phoenix display.
The ATSB is satisfied that the actions taken by ARTC will adequately address this safety issue.
The ARTC acknowledged the unique indications displayed by the Phoenix display for the Singleton E Frame. To ensure correct and consistent interpretation of the indications provided on the Phoenix display, the ARTC issued an Incident Advice notice to all Network Control Officers at Network Control Centre North (NCCN).
(Appendix A – ARTC Incident Advice)
