Hmas Otama

HMAS Otama (SS 62/SSG 62) was an Oberon-class submarine built in Scotland for the Royal Australian Navy (RAN). Commissioned in 1978, she was the final vessel of her class to enter service. Notably, Otama operated as a specialist submarine and one of two secret “Mystery Boats.” Equipped with advanced electronic surveillance gear, she gathered vital intelligence on the Soviet Pacific Fleet and Chinese Navy ships, while also conducting highly classified coastal operations across Asia.

The Active Service of HMAS Otama Built in Scotland by Scotts Shipbuilding and Engineering Company, HMAS Otama commissioned into the Royal Australian Navy (RAN) in 1978 as its final Oberon-class submarine. Outfitted as one of two specialized “Mystery Boats,” Otama carried advanced electronic intelligence-gathering systems to track Soviet Pacific Fleet and Chinese naval activity throughout the Cold War.

Beyond covert surveillance, she took part in the RAN’s largest postwar Indian Ocean fleet exercise in 1980 and underwent a comprehensive mid-life modernization refit from 1983 to 1985. Tragedy struck on August 3, 1987, off New South Wales when Otama accidentally submerged while two sailors were stowing gear inside the fin, claiming both lives. Despite the loss, the submarine remained indispensable. Technical delays in deploying the replacement Collins-class vessels led the Navy to extend her operational service repeatedly until late 2000.

The Battle to Save the Submarine Following her decommissioning in December 2000, the Western Port Oberon Association purchased Otama in 2001 to serve as the centerpiece for the proposed Victorian Maritime Centre. However, securing planning permits on the Mornington Peninsula proved difficult. Stymied by administrative rejections and escalating upkeep costs, the association made headlines in late 2008 by listing the vessel on eBay; the viral listing generated global publicity but no buyer.

Local authorities eventually approved a land site near the Western Port Marina in Hastings in 2013, yet bureaucratic hurdles delayed the final permits. Left anchored offshore for nearly two decades without a permanent berth, the hull steadily deteriorated. With local volunteers unable to bring her ashore, the preservation campaign collapsed. Otama was ultimately sold for scrap and towed to Western Australia, ending the fight to save the historic submarine.

The Battle for Preservation

Following her decommissioning, HMAS Otama became the subject of a highly publicized, decades-long campaign to rescue her from the scrapyard:

2001: The Western Port Oberon Association purchased the submarine, intending to turn her into the centerpiece of the proposed Victorian Maritime Centre on the Mornington Peninsula.
2008: Stalled by local government resistance and unresolved permits, the association made global headlines by listing the submarine for sale on eBay. Despite massive public curiosity, no valid sale materialized.
The Final Outcome: For years, the vessel sat moored in limbo off Hastings near the Western Port Marina. Although the association eventually secured “in-principle” approval for a maritime center, lingering administrative hurdles kept them from obtaining the final planning permits needed to bring the submarine ashore.
The Final Voyage: Deprived of a permanent berth, the hull progressively deteriorated while anchored in Western Port. Once local rescue efforts collapsed and volunteer fundraising ran dry, the historic vessel was sold to a shipbreaker. Otama was towed away to Western Australia and broken up for scrap—a bittersweet end to the tireless campaign led by local volunteers to preserve Australia’s last “Mystery Boat.”

Design and Acquisition

Modeled on the preceding Porpoise class, the Oberon class featured a heavily reinforced hull, upgraded sensors, and significantly improved stealth capabilities.

Recognizing these advancements, the Royal Australian Navy (RAN) ordered eight submarines in two batches. While the government approved the first four in 1963, approval for the second batch—which included HMAS Otama—followed in the late 1960s. Construction began in 1969, marking the RAN’s fourth—and ultimately successful—attempt to establish a permanent submarine branch.

The Hunt for HMAS Otama

Securing the Otama

Acquisition and Delivery of HMAS Otama Recognizing a rare preservation opportunity when the Royal Australian Navy began retiring its Oberon-class fleet, Max Bryant reached out to the Navy Disposal Department regarding HMAS Otama. As the final Scottish-built submarine of her class, she was decommissioned in December 2000. Bryant submitted a formal proposal to Dr. Brendan Nelson, then Parliamentary Secretary to the Minister for Defence, ultimately securing the vessel on behalf of the Western Port Oberon Association.

To finance the acquisition, the group secured a $500,000 federal grant, which covered the majority of the $550,000 purchase price alongside a $306,000 towing fee. However, mandatory Environmental Protection Authority (EPA) compliance costs and insurance premiums quickly drained the association’s remaining funds. On April 30, 2002, following a 13-day tow from Sydney, Otama arrived in Western Port.

Shifting Victoria’s Maritime Tourism Landscape The arrival of Otama signaled an ambitious effort to incorporate intact naval ships into Victoria’s maritime tourism industry. Successful museum displays—such as HMAS Onslow at Sydney’s Australian National Maritime Museum and HMAS Ovens at Fremantle’s Western Australian Maritime Museum—had already proven that decommissioned submarines served as powerful cultural attractions, drawing hundreds of thousands of visitors.

Development Vision for the Victorian Maritime Centre The Western Port Oberon Association conceptualized an integrated structural design for the proposed Victorian Maritime Centre. Rather than showcasing the submarine as an isolated display, architects planned custom access cuts through the hull, linking Otama directly to the main museum facility via weatherproof walkways for full visitor accessibility. Strategically designed to tap into the Mornington Peninsula’s thriving tourism corridor, the project aimed to position Otama as the centerpiece of the region’s broader maritime heritage network.

The Loss of HMAS Otama The ultimate loss of the Oberon-class submarine HMAS Otama ignited widespread frustration across Victoria. Local advocates originally envisioned the historic vessel as the centerpiece of a major maritime tourism hub in Western Port. Following her decommissioning, the Western Port Oberon Association purchased Otama to preserve her as a museum ship. However, despite years of community advocacy and formal government meetings, the project failed to secure the crucial planning approvals and state support required to bring her permanently ashore.

Deprived of a land-based berth, Otama remained anchored off Hastings, exposed to harsh maritime elements for nearly two decades. The situation reached a breaking point when authorities offered to repurchase or remove the vessel in 2020. After severe storms further compromised hull integrity in 2021, Parks Victoria issued a final ultimatum, requiring the association to surrender ownership so the severe environmental risk could be managed.

A Devastating Blow to the Region The destruction of Otama dealt a bitter blow to the Mornington Peninsula, wiping out anticipated regional tourism revenue, local job opportunities, and a dedicated tribute space for Australian naval veterans.

Compounding public outrage, taxpayers ultimately footed a multimillion-dollar bill for the emergency salvage, towing, and scrapping operations—a figure far exceeding what early land-based installation efforts would have cost. While the submarine itself is gone, community advocates continue urging authorities to salvage key historic artifacts, including the vessel’s fin and periscopes, to ensure Otama’s legacy receives a permanent public memorial within the region.