Logbook Scuba Dive # 333 - Hoki Maru
| Logbook Scuba Dive # 333 - Hoki 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: | |
| 216 bar | 106 bar | 110 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: |
| 57% | 0% | 0.19 bar | 1.6 bar |
| EAN 57 |
MOD: | EAD: | END: |
| 18.0 m | 5.3 m | 18.0 m | |
| Start Pressure: | End Pressure: | Diff. Pressure: | |
| 200 bar | 150 bar | 50 bar | |
| Avg. Depth: | SAC Rate: | ||
| - | - | ||
| Avg. Depth: | SAC Rate: | ||
| 20.44 m | 14.45 litres/min | ||
| Gas Mixture: | |||
| Air (O2=21%) Nitrox 57% - Stage 1 (O2=57%) | |||
| Up at 6 am, eggs benedict for breakfast at 6:30 am, and then went back to the room to change. This was to be our last day of diving and the plan was to complete two dives before 1 p.m., which would give us more than 24 hours of surface time before we were due to fly out the next day. Boat Captain: Ansauo Renis Dive Guide: Tryvin Aisek Wednesday morning, 11 May 2011 - Hoki Maru. I headed down to the Blue Lagoon Dive Shop early and checked my stage cylinder mix - 150 bar of EAN57 - and the twin cylinder fill. Peter Fear was missing in action again, so with Laurent, Peter Chew, myself and our dive crew aboard we headed out at 8 a.m. towards the site of the Hoki Maru. The water was flat calm with a mirror polish as we skimmed across the lagoon. The Hoki Maru is a medium-large, old fashioned freighter, captured while on a run from Freemantle to Colombo on 12 July 1942, and utilised by the Japanese Navy during the war. She was formerly the British-New Zealand ship M/V Hauraki. Tonnage: 7,112. Length: 137.2 metres. Beam: 17.8 metres. Launched: 28 November 1921. An explosion thoroughly destroyed the part of the ship between the forecastle and the bridge. Hold 5 was full of road building equipment: bulldozers, trucks, tractors and a steam roller. The hold amidships had munitions. We penetrated deep into the engine room with its debris or torn and twisted plating. Lots of pretty marine life on the masts and superstructure. I switched to the EAN57 stage gas and deep my deep, deco and safety stops. Laurent and Chewy had left the water and I was still hanging on the deco lines with Tryvin, when I spotted a nice looking shark checking us out. I pointed it out to Tryvin and he never took his eyes off of it from then on. This was a decompression dive of 50 minutes with a maximum depth of 42 metres. With the dive completed and everyone back safely aboard the dive boat, instead of heading back in, we instead headed over to a nearby island for our surface interval. There we found two old guys, two young boys and two dogs enjoying the tranquillity of a picture book tropical island. There was one main hut on the island which was divided into four separate rooms. People can book to come out and stay on the island. |
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