Ordered on June 17, 1917. Launched on December 23, 1922 and commissioned into the Dutch Navy on June 21, 1923.
By the time of the outbreak of the Second World War in the Pacific, the submarine was out of commission but was returned to service in March 1942. Following the fall of the Netherlands East Indies, the submarine escaped to Fremantle in Western Australia, arriving on March 13, 1942.
In May 1942 the Dutch Navy decided to transfer the K IX to the Royal Australian Navy (RAN)
for use as an anti-submarine warfare training aid. After this offer was accepted, the K IX arrived in Sydney for repairs on May 12, 1942.
In the early morning of June 1, 1942, submarine K IX was damaged by the explosion caused by a single torpedo launched at USS Chicago from Japanese midget submarine M-24 in Sydney Harbour. The torpedo missed the Chicago and K IX, impacting on a nearby breakwater and sinking the converted ferry, HMAS Kuttabul.
The K IX was decommissioned from the Dutch Navy on July 25, 1942.
Royal Australian Navy History
Following extensive repairs, the submarine was commissioned into the Royal Australian Navy as HMAS K9 on June 22, 1943. K9 saw little active service with the RAN due to its poor mechanical state.
On January 22, 1944, the submarine was badly damaged by a battery explosion. Due to a lack of spare parts, K9 was decommissioned from the RAN on March 31, 1944, having spent only 31 days at sea.
Return to Dutch Navy
Following her decommissioning from the RAN, the submarine re-entered service with the Dutch Navy as an oil lighter. One June 8, 1945, the submarine washed ashore at Seal Rocks, NSW, while under tow to Merauke. It was later stripped for scrap.
Dutch Submarines - Boat K IX
Wikipedia - HMAS K9
Thanks to Daniel Leahy for assistance with this profile
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May 26, 2019