San Francisco Maru

IJN
Passenger
Cargo Ship

Tons
5,831

Dimensions
385 / 51 / 27

Crew
42 (5 KIA in sinking)

Click For Enlargement
Peter Ording 2000

Ship History
Built in 1919, it served in prewar trade operations with Yamashita Kisen Gomei Kaisha until the start of the Pacific war.

Wartime History
Served as a cargo ship bringing raw materials to Japan from Palau andn Angaur, and later for transport between Japan and the 'Inner South Seas'. Minorly damaged in an air attack at Wewak on May 4, 1943. At Yokosuka from January 17-20, 1944 and arrived at Truk on February 5, 1944., and remained at the 4th Fleet Anchorage south-east of Dublon, when the rest of her convoy left on the 12th.

Sinking History
While at the Eten Anchorage at Truk Lagoon, attacked on February 17, 1944 during the first day of Operation Hailstorm airstrikes. It was sunk on February 18, 1944 when a 500 lbs bomb hit midship dropped by USS Essex TBF Avenger. After the attack, the ship was burning and sinking stern first. Five crew were killed as a result of the bombing.

Discovery
Initially discovered by Cousteau in 1969, the wreck was not dived. Again located in 1973 during fathometer surveys. The ship's bell confirmed its identity.

Shipwreck
This is a very spectacular ship setting upright in crystal clear blue water. in 150-220' and is considered one of the most exciting wrecks in the lagoon and is often called the "Million Dollar Wreck" by divers speculating at the worth of the cargo of war supplies.

Bow
Coral and sponge encrusted 3 inch bow gun.

Hold #1
Contain spherical sea mines and their detonators and "horns" for detonation on contact in boxes nearby.

Hold #2
Carries several trucks, barrels of fuel and aerial bombs.

Bridge Area
The bridge area is intact, and the deck has winches. The crew quarters contain dishes, bottles and cups.

Deck
Forward of the bridge are three Type 95 Ha Go Tanks. Two starboard, and one Type 95 Ha Go Tank on one the port side. Also, a large truck, steam roller and another truck have rolled off the deck and are lying on the sea bed.

Aft Holds
The aft holds contain stacked torpedoes, some are out of place because there high pressure air tanks have since exploded. The rearmost hold is full of depth charges. Here the hull plates are split and ripped apart.

References
WWII Wrecks of Truk Lagoon, page 426

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150-220'

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