The interim report into the grounding of Interislander’s Aratere ferry has found the bridge crew didn't know how to turn off the autopilot function on a new steering control system.
A report by the Transport Accident Investigation Commission was published yesterday, setting out the facts and circumstances established to this point and its inquiry into the incident, which remains ongoing.
So, the interim report said the Aratere received a new steering control system in May 2024, that was a month prior to the incident, to work with the ship's autopilot and integrated bridge navigation system. The Aratere was pootlingalong and it was just past its second waypoint off Mabel Island when the autopilot was engaged at 9:26pm, putting the steering for the other teddy under autopilot control. About 30 seconds later, a master who was on board the ship to refamiliarize himself with the Aratere after some time away, pressed the turn execute button, intending to initiate the Mabel Island waypoint turn.
After seeing the Aratere was heading towards shore, the crew attempted to press the takeover button and turned the wheel hard to port, all to no effect. The bridge team was unaware that to transfer steering control from the autopilot to the central steering console, the new steering system required them to either set the same rudder command at both consoles, which makes sense, or hold down the takeover button for five seconds. You couldn't just press it, it had to be held down for five seconds.
So how did the crew not know that? Well, according to Interislander Executive General Manager Duncan Roy, who spoke to Heather du Plessis-Allan