Logbook Scuba Dive # 330 - San Francisco Maru
| Logbook Scuba Dive # 330 - San Francisco Maru |
Good| Cylinder Set #1 | |||
| Cylinder Type: | Cylinder Size: | Working Pressure: | Supply Type: |
| Alumimium |  20 litres |
200 bar |  Open Circuit (OC) |
| O2: | He: | Min. PPO2: | Max. PPO2: |
| 21% | 0% | - | 1.4 bar |
 EAN 21 |
MOD: | EAD: | END: |
| 56.6 m | 56.6 m | 56.6 m | |
| Start Pressure: | End Pressure: | Diff. Pressure: | |
| 207 bar | 87 bar | 120 bar | |
| Avg. Depth: | SAC Rate: | ||
| - | - | ||
| Cylinder Set #2 | |||
| Cylinder Type: | Cylinder Size: | Working Pressure: | Supply Type: |
| Alumimium |  11 litres |
200 bar | Open Circuit (OC) |
| O2: | He: | Min. PPO2: | Max. PPO2: |
| 60% | 0% | 0.19 bar | 1.6 bar |
| EAN 60 |
MOD: | EAD: | END: |
| 16.6 m | 3.5 m | 16.6 m | |
| Start Pressure: | End Pressure: | Diff. Pressure: | |
| 200 bar | - | - | |
| Avg. Depth: | SAC Rate: | ||
| - | - | ||
| Avg. Depth: | SAC Rate: | ||
| 20.48 m | 14.32 litres/min | ||
| Gas Mixture: | |||
| Air (O2=21%) Nitrox 60% - Stage 1 (O2=60%) | |||
| Up at 5 am. Went and tried to get an Internet connection in the reception area, but it wasn't working. Eggs benedict for breakfast at 6:30 am, and then went to shop for more t-shirts at the Blue Lagoon Dive Shop. Then back to the room and change. Boat Captain: Ansauo Renis Dive Guide: Tryvin Aisek Tuesday morning, 10 May 2011 - San Francisco Maru. I analysed the gas in my eleven litre aluminium stage cylinder: 200 bar of EAN60. Peter Fear wasn't joining us because of head cold and sinus issues. So it was just Peter Chew, Laurent Ailleres, yours truly and the boat crew aboard as we headed out at 9 a.m. to the San Francisco Maru. The San Francisco Maru is a medium-large, old five hold freighter. Tonnage: 5,864. Length: 117.3 metres. Beam: 15.5 metres. Launched: 1 March 1919. She sustained very heavy damage from a close bomb miss on the port side and sank quickly by the stern. Another boat was already on the dive site. Tryvin gave us an excellent dive briefing and we agreed on a dive plan. We entered the water shortly after those on the other dive boat. We headed down to the bow and checked out the gun on the forecastle. We then worked our way along the port side, towards the bridge and came across a battle tank as deck cargo. There are two more tanks on the starboard side. In hold two between the tanks on the deck are two large tanker trucks. There is also a large radial aircraft engine and a number of 50 pound aerial bombs, standing on their tips with the tail fins exposed. As we went along a companionway, Tryvin pointed out a shark off the port side. Hold 4 contains the remains of two large trucks, and the tween decks are filled with ammunition boxes. The shells are of 3 and 4 inch calibre. Hold 5 contains a large number of torpedo bodies scattered all about. As we headed back to the bow along the starboard side I took great delight in watching a very graceful eagle ray making it way in the same direction off of the starboard side. I switched to the EAN60 stage gas and completed my deep, deco and safety stops. This was a decompression dive of 55 minutes with a maximum depth of 55 metres. With everyone back aboard the dive boat, we headed back to the Blue Lagoon Dive Shop. |
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