REPCON followed up with the operator to ensure that the guidance for flight crews had been provided as advised. The operator advised that it had and that the operations department were asking crews to submit their spare batteries to be reviewed and approved for use.

Readers are also referred to REPCON AR201500050 for a response from Airservices Australia.

As suggested by CASA, REPCON forwarded this report to Airservices Australia and received the following response: In response to a similar concern reported previously [AR201500050], Airservices has established a process to monitor and increase awareness of reported call sign confusion issues. The process involves reviewing the call sign confusion occurrences reported via our safety reporting system and notifying relevant airlines of the reported occurrence. In addition, Airservices provides a call-sign conflict report to domestic aircraft operators each month. Airservices confirms that the…

Following comments from the reporter in relation to this REPCON an email was sent to the aerodrome operator with the following comments: I have received a response from my reporter with a couple of comments which I thought I would pass on in the interests of safety and cooperation at the aerodrome. This is not to apportion blame and from your response to the REPCON, I understand that you have done all the required preparation for the closure, but if things can be done to ensure that everyone is aware of what is happening, then we may get less issues arising. Firstly, the reporter acknowledged…

After receiving this REPCON the ATSB has reopened this safety issue and the investigation team has been in contact with the operator involved. The ATSB will monitor the outcome of their response to ensure that the safety issue is addressed.