Army Bay last stop for wrecked crane retrieved from water A 25-ton crane was hauled from the sea onto Army Bay beach this month. Photos, Paul Wilkinson The appearance of a large rust-covered crane on Army Bay beach on May 5 was the result of recovery work that began a year ago. The 25-ton mobile crane, valued at around $100,000, was being transported by barge from Opua to Auckland, when the barge rolled over and sank near Tiritiri Matangi Island. It happened the day before last year’s level 4 lockdown, which prevented immediate salvage. The wreck was marked with a buoy and light.