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Logbook Scuba Dive # 81 - Mornington Pier

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Logbook Scuba Dive # 81 - Mornington Pier
Date: Entry Time: Dive Time: Max. Depth:
Wed, 21-Feb-2007 18:48:00 85 minutes 8.2 metres
Dive Location: City / Island:
Mornington Pier Port Phillip Bay, VIC
Country: Dive Master:
Australia -
Dive Shop: Dive Trip:
- -
Alan Storen
Dive Details:
Entry: Boat Name:  
Shore -  
Start PG: Entry Time: Exit Time: End PG:
A 18:48:00 20:13:00 -
Altitude: Rep. Dive: Surface Interval:  
0 m No -  
Max. Depth:     Avg. Depth:
8.2 metres     5.29  m
  Dive Time: Deco. Dive:
  85 minutes No
Weather: Air Temp.: Water Temp.:  
Clear 26 °C 21 °C  
Water: Waves: Current:  
Salt No Waves No Current  
Visibility: Horizontal Vis.: Vertical Vis.:
Average Average - -  
Weight: Dive Suit: Dive Computer:
11 kg Wetsuit 3 mm Steamer Suunto Vytec DS
Equipment used on this dive:
Apeks ATX100 Regulator | Apeks ATX40 Octopus | Apollo Bio-Fin Pro | DUI Weight & Trim 2 Harness | Faber 12.2L Steel Cylinder | Northern Diver Superstretch 2mm Neoprene Gloves | Oceanic Spinner Pointed Dive Knife | OMS Compact Quick Dump Weight Pockets | OMS Dual Bladder, Banded Wing - Rec | OMS IQ Pack BC Harness | Princeton Tec Impact XL Dive Light | Sonar Explorer Blue Silicone Mask | Sonar Steamer 3mm | Suunto CB-Two-In-Line Combo Console - 1 | Suunto Vytec DS Dive Computer | Waterborne Safety Strap - Vytec
Cylinder Set #1
Cylinder Type: Cylinder Size: Working Pressure: Supply Type:
Steel Single Cylinder 12.2 litres 232 bar Open Circuit (OC) Open Circuit (OC)
O2: He: Min. PPO2: Max. PPO2:
40% - - 1.4 bar
24.9 m 16.6 m -
Start Pressure: End Pressure: Diff. Pressure:  
206 bar 62 bar 144 bar  
Avg. Depth: SAC Rate:    
- -    

Avg. Depth: SAC Rate:    
5.29  m 13.51 litres/min    
Gas Mixture:
Nitrox 40%
With the weather very hot and sticky, plus needing to do a second Nitrox dive to complete my TDI Nitrox course, I got in touch with Alan Storen and we arranged to meet at Mornington Pier at 6:30 pm for a dive. I had some problems getting to the pier as there was racing on at the Mornington Racetrack and everywhere I tried to go there were road diversions in place.

There were divers everywhere when I got to the pier. Alan and I geared up and stepped off of the wall. We headed out on the surface to the Wild Thing barge, then descended and made our way under the pier.

We slowly went along the outer side of the pier to the end. There were plenty of fish, though I didn't find the cuttlefish that's usually about. Alan spotted a seahorse out at the end of the pier. I spotted one as we made our way back down the inner side of the pier. I also became facinated by a very small fish about the size and shape of my thumbnail. Later Alan suggested that it was probably a pigmy seahorse. Alan found another seahorse back near the beginning of the pier.

After 60 minutes, I still had 120 bar, so I signalled to Alan that maybe we should use the swim through to go out onto the sea wall. We headed south-west along the outer wall and as always this was an interesting spot to explore.

I signalled to Alan when I reached 100 bar, and we turned around and headed back to the swim through. We again looked around for a while under the pier and then started to make our way back to the exit point of the inlet ledge and wall.

We came across a huge stumpy tail stingray. I was following Alan and it swam under and behind him and in front of me, turned around and came back and settled in front of me. I was under one of the boats, so I just quiety made my way in front of it and then on to the exit point.

I finished an 85 minute dive with 60 bar using a 12 litre cylinder. I know my air consumption is getting better, but this result must have something to do with the fact that I was breathing EAN40.

A highlight of this dive for me was that it was the first time I'd been able to gear up, get to the entry point, enter and exit the water and pack up, totally unaided. I'm finally starting to come to grips with all of the dive gear.

Alan and I headed off into Mornington and had a nice dinner at an Indian restaurant there.

Dive Profile for Dive # 81

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