About the site The J4 sub is the most-often dived of the J class subs that were scuttled out of Port Phillip Bay. Built late in WWI in response to rumours that the Germans were developing something better, they were sold to Australia by Great Britain after the war ended. Despite an expensive refit process here in Australia, by the 1930s there was no use for them and they were scuttled. The J4 was rediscovered in the 1980s, and is also known as the 26m sub for the depth of water that it sits in. Shallower than the others and with correspondingly less narcosis, it’s an easier wreck to photograph. About the dive This dive was about five days after [read more…]
