The helicopter operator advised that an engineering order will be developed to change the wiring and switch methodology in the operator’s AW139 helicopters in order to simplify the operation of the searchlights. The changes will be incorporated during scheduled heavy maintenance of the operator’s AW139 helicopters that is carried out in 2013.
Action taken by the ATSB
In response to this safety issue, the ATSB has commenced a safety issue investigation that will examine the control of helicopter external lighting in the context of the night winching requirements of Civil Aviation Order 29.11. The results of that investigation (AI‑2013‑080) will be published on the ATSB website www.atsb.gov.au