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Dive Site - J1 Submarine

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Dive Site - J1 Submarine
Dive Location: City / Island:
J1 Submarine The Heads, Bass Strait, VIC
Country: Rating: Max. Depth: Difficulty:
Australia 4 star 38 m Advanced Open Water plus Deep
Aquatic Name: Water: Altitude:  
- Salt 0 m  
Latitude: Longitude:   Datum:
38° 18.958′ S 144° 33.220′ E Google Map WGS84
3 dives at this location:
100 | 104 | 213
Entry/Exit: Boat.

HMS J1 later HMAS J1 was a Royal Navy J class submarine built by HM Dockyard at Portsmouth in Hampshire and launched on 6 November 1915.

Overall Length was 274.7ft, beam 23ft and draught 14ft giving a displacement weight of 1210 tons surfaced. The wartime complement was 5 officers and 40 men.

The six British built submarines were transferred to the Royal Australian Navy on 25 March 1919. They had served for a short time with the Royal Navy's 11th Submarine Flotilla, and although they proved to be the fastest submarines of their time, they were unreliable. So they ended up in Australia! The six submarines departed Portsmouth on 9 April 1919, arriving in Sydney on 10 July where they underwent a very necessary refit. By May 1922 all six submarines had been decommissioned.

The J1 submarine was the only submarine to have crippled capital ships with a single salvo. She was also fitted with depth charges and was the only submarine to ever sink another sub with depth charges.

J1 was sold to the Melbourne Salvage Company on 26th February 1924. After stripping anything that proved valuable, she was scuttled off Barwon Heads on 26th May 1926.

She was rediscovered in 1985 and now lies almost upright with a slight list to port in 38 metres with the conning tower rising to 34 metres.

The J1 Submarine is also known as the J1 Sub, 38 Metre Sub, 125 Foot Sub, or New Deep Sub. The hull lies northeast to southwest (bow northeast) and is covered in bright yellow zoanthids.

Location GPS coordinates from Dive Victoria. Accuracy unknown.
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