The ferry remained at the Matiatia terminal for an hour and half while crew waited for police to assist and help the crew with the trip back to downtown Auckland.
The spokesperson said several passengers were removed from the ferry by police.
“Following ... the arrival of police back up, the sailing made its way back to Auckland City with additional security onboard,” the spokesperson said. “The vessel berthed without incident and all passengers disembarked the vessel safely upon arrival.”
They added: “We apologise to our customers onboard who endured a delay, however safety is our number one priority and our crew took reasonable action, following safety operating procedures to ensure the safety of our crew and customers.
“Thanks to our crew for responding professionally, and to our customers for your patience.”