Simpson Harbor

Simpson Harbor is a massive flooded caldera of an ancient volcano.

This harbor at the eastern tip New Britain with Rabaul along its north shore. The bay is connected to Karavia Bay and Blanche Bay to the south.

Click For EnlargementHistory
Principal Japanese anchorage in the South Pacific. During the war, a reported 54 ships were sunk in Simpson Harbor and the surrounding area, 10 are accessible although some are quite deep. The Japanese had seaplane bases at Sulpher Creek and Matupit Island.

The last Japanese ship to enter the harbor was the Kokai Maru arriving Februay 19, 1944 and unloaded barges, ammo, food and departing the 25th. After that date, several Japanese submarines managed to unload medical supplies, then no other ship reached the harbor.

Missions Against Simpson Harbor
Listing of air raids specifically against ships in the harbor

Click For EnlargementSurrender Ceremony
On the 6 September 1945, the Japanese surrendered all remaining Japanese Forces in New Guinea, New Britain and the Soloman Islands. The ceremony took place aboard aircraft carrier HMS Glory. Representing the Japanese were General H. Imamura, Commander Eight Army Area, Admiral J. Kusaka, Commander South East Area Fleet.

Click For EnlargementPost-War Usage
At least two former submersible barges abandoned after the war survived, and were used as tankers around East New Britain and Duke of York Islands well into the 1990s! But, they remained strictly on the surface after the war, by expatriort Pat Roberts who ran an inter-island shipping business from Rabaul.

Brian Bennett recalls:
"Pat Roberts (his place was known just as Pat's wharf and is situated at the end of Dawapia Road. Also known as Rabaul Shipping. Pat and his wife from Buka are long gone now. After the war a chap named Pat Roberts who ran a fuel and fresh water provider business for many years for visiting ships acquired several of these vessels and at least one was still in use at the time of the eruption in 1994. Pat also did metal salvage and his place was always a delight to search for old brass fuese and stuff. I remember that after he died his house became a bit run down and out in the front yard he had the glass reflector dish out of the biggest of the Japanese Naval search lights."

Don Robinson adds:
"From 1952 to 1962, I operated a transport in Rabaul and transported all of the scrap out of Rabaul, including hundreds of Japanese planes cut up for scrap. They were sold back to Japan to make cars. It was so common, I took no photos."

Komaki Maru (Wreck Wharf)
First Japanese ship confirmed sunk by Allied aircraft in Simpson Harbor

Hakkai Maru
Sunk by B-25s on January 17, 1943. Covered by the 1994 volcano eruption

Kanshin Maru
Covered by the 1994 volcano eruption

Kisargel Maru
Salvaged post war

Manko Maru
Sunk near the present day warph area

Italy Maru
Largest ship sunk in the harbor

Suzunami
Sunk on November 11, 1943. Hit by air attack, exploded loading torpedos

Yamamoto Maru
Sunk April 18, 1943

TBF-1 Avenger Bureau Number 24264
Pilot Boyden crashed February 14, 1943 near the present day Yaght Club

Submersible Fuel Barge
Japanese submersible fuel barges survived the war and was in use untilt the early 1980s

 

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