Logbook Scuba Dive # 296 - HMAS Canberra

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Date:	Entry Time:	Dive Time:	Max. Depth:
Sun, 03-Oct-2010	15:07:00	30 minutes	22.6 metres
Dive Location:		City / Island:
HMAS Canberra		The Heads, Bass Strait, VIC
Country:		Dive Master:
Australia		-
Dive Charter:		Dive Trip:
Dive Victoria		-
Buddy/Buddies:
Alan Beckhurst, Mike Reed
Dive Details:
Entry:	Boat Name:
Boat	Sea Dragon
Start PG:	Entry Time:	Exit Time:	End PG:
-	15:07:00	15:37:00	-
Altitude:	Rep. Dive:	Surface Interval:
0 m	Yes	00:50
Max. Depth:			Avg. Depth:
22.6 metres			15.42 m
	Dive Time:		Deco. Dive:
	30 minutes		No
Conditions:
Weather:	Air Temp.:	Water Temp.:
Clear	20 °C	14 °C
Water:	Waves:	Current:
Salt	Small Waves	Light Current
Visibility:	Horizontal Vis.:	Vertical Vis.:
Bad	-	-
Equipment:
Weight:	Dive Suit:	Dive Computer:
11 kg	Wetsuit 7 mm	Suunto HelO2
Equipment used on this dive:
Apeks XTX200 Regulator - Single Primary \| Apeks XTX200 Regulator - Single Seconary \| Apollo Bio-Fin Pro \| Aropec Mesh Dive Gear Duffle Bag \| Buddy Surface Marker Buoy SMBCi - Self Inflating \| Dive Gear Express Stainless Steel Finger Spool \| DUI Weight & Trim 2 Harness \| Faber 12.2L Steel Cylinder \| Halcyon Titanium Knife Sheath - Rec \| Neptune Scorpion Gold 7mm SemiDry Wetsuit \| Northern Diver KN14 Titanium Dive Knife - Rec \| Northern Diver Superstretch 2mm Neoprene Gloves \| Northern Diver Thermalskin \| Oceansuits 3mm Hood \| OMS Compact Quick Dump Weight Pockets \| OMS Dual Bladder, Banded Wing - Rec \| OMS IQ Pack BC Harness \| OMS Silicone Necklace Secondary - Rec \| OMS Stainless Steel Backplate \| OMS Stainless Steel Single Cylinder Adaptor Plate \| Performance Diver Multi Purpose Boots \| Princeton Tec Shockwave LED Dive Light \| Sonar Explorer Aqua Silicone Mask \| Sonar Explorer Black Silicone Mask - Backup \| Suunto CB-Two-In-Line Combo Console - 1 \| Suunto HelO2 Dive Computer \| Suunto SK-7 Compass Wrist - 1 \| Suunto Transmitter - Rec \| Suunto Vytec DS Dive Computer \| Waterborne Safety Strap - HelO2 \| Waterborne Safety Strap - Vytec

Cylinder Set #1
Cylinder Type:	Cylinder Size:	Working Pressure:	Supply Type:
Steel	12 litres	232 bar	Open Circuit (OC)
O2:	He:	Min. PPO2:	Max. PPO2:
21%	0%	-	1.4 bar
EAN 21	MOD:	EAD:	END:
EAN 21	56.6 m	56.6 m	56.6 m
Start Pressure:	End Pressure:	Diff. Pressure:
253 bar	84 bar	169 bar
Avg. Depth:	SAC Rate:
-	-

Avg. Depth:	SAC Rate:
15.42 m	26.59 litres/min
Gas Mixture:
Air

Boat Name: Sea Dragon, Dive Victoria, Portsea Deckie: Jason Salter Alan Beckhurst had a report of a crack in the superstructure of the HMAS Canberra. We were on a mission to try and find it, which was going to be difficult given the lack of description as to where it was and the poor visibility. Alan also wanted to measure the list of the wreck. While gearing up the crew came around and asked me to do the usual safety checks: breathe from eack regulator, inflator working. I reported my air pressure at 255 bar. The guy next to me asked, "Is that a 300 bar cylinder?" "Nope," I replied. "Gee, I'm lucky if I get a 200 bar fill," he stated. "Going to the wrong place for air fills," I suggested. "Try The Scuba Doctor in Rye next time. $5 for good air fills." Mike, Alan and myself headed down and started to check out the port and starboard superstructure. We didn't find the crack we were looking for. We then headed to the rear of the startboard hanger where Alan measured the list. Then we journeyed through the wreck back to the bridge and started our ascent. Back onboard Sea Drafon, Alan and Jason worked out the list as being 23 degrees to starboard. Once everyone was back the boat headed back to Portsea. Once changed, I headed back to The Scuba Doctor for air fills.

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