Logbook Scuba Dive # 312 - Drum, Drum Sticks and Drum Cave

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Date:	Entry Time:	Dive Time:	Max. Depth:
Thu, 30-Dec-2010	14:58:00	62 minutes	24.1 metres
Dive Location:		City / Island:
Drum, Drum Sticks and Drum Cave		Jervis Bay, NSW
Country:		Dive Master:
Australia		Lyn Cleary
Dive Charter:		Dive Trip:
Ocean Trek Diving Resort		Jervis Bay - Ocean Trek - Dec 2010
Buddy/Buddies:
Cheryl Lees
Dive Details:
Entry:	Boat Name:
Boat	Ocean Trek
Start PG:	Entry Time:	Exit Time:	End PG:
-	14:58:00	16:00:00	-
Altitude:	Rep. Dive:	Surface Interval:
0 m	Yes	03:03:00
Max. Depth:			Avg. Depth:
24.1 metres			10.58 m
	Dive Time:		Deco. Dive:
	62 minutes		No
Conditions:
Weather:	Air Temp.:	Water Temp.:
Clear	22 °C	20 °C
Water:	Waves:	Current:
Salt	Small Waves	No Current
Visibility:	Horizontal Vis.:	Vertical Vis.:
Good	-	-
Equipment:
Weight:	Dive Suit:	Dive Computer:
6 kg	Wetsuit 3 mm Steamer	Suunto Vytec DS
Equipment used on this dive:
Analox O2 EII \| Apeks XTX200 Regulator - Twin Primary \| Apeks XTX200 Regulator - Twin Secondary \| Apollo ATB Multi Purpose Boots \| Apollo Bio-Fin Pro \| Aropec Mesh Dive Gear Duffle Bag \| Buddy Surface Marker Buoy SMBCi - Self Inflating \| DUI Weight & Trim 2 Harness \| Faber T1 12.2L Steel Cylinder \| Faber T2 12.2L Steel Cylinder \| Halcyon Titanium Knife Sheath - Tech \| Kent Tooling Ratchet Reel - 40 metres \| Northern Diver KN14 Titanium Dive Knife - Tech \| Northern Diver Superstretch 2mm Neoprene Gloves \| Oceansuits 3mm Hood \| OMS 300 bar Rotating Cross Bar Manifold \| OMS Aluminium Backplate - Tech \| OMS Comfort Harness II \| OMS Compact Titanium Line Cutter with Pouch \| OMS Dual Bladder, Banded Wing - Tech \| OMS Dual Cylinder Bands \| OMS Silicone Necklace Secondary - Tech \| OMS Submersible Pressure Gauge \| OMS VEGA K2 LED Flashlight \| Sonar Explorer Black Silicone Mask - Primary \| Sonar Steamer 3mm \| Suunto HelO2 Dive Computer \| Suunto SK-7 Compass Wrist - 2 \| Suunto Transmitter - Tech \| Suunto Vytec DS Dive Computer \| Waterborne Safety Strap - HelO2

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:
33%	0%	-	1.4 bar
EAN 33	MOD:	EAD:	END:
EAN 33	32.4 m	26.0 m	32.4 m
Start Pressure:	End Pressure:	Diff. Pressure:
240 bar	110 bar	130 bar
Avg. Depth:	SAC Rate:
-	-

Avg. Depth:	SAC Rate:
10.58 m	12.23 litres/min
Gas Mixture:
Nitrox 33% - Back

Boat Name: Ocean Trek, a catamaran style vessel that measures 18 meters in length, powered by two 6-71 Detroit diesel engines giving a top speed of 10 knots. Boat Skipper: Mick Saliwon Live drop and pickup. Everyone geared up after lunch ready to enter the water together in a live drop. Cheryl and I then decsended down the the bolders below. We explored the boulders with plenty of other divers about. We made our way up and along the base of the wall and found a rock cave which we checked out. On exiting the cave we made our way over the boulders checking out the many schools of fish. Unfortunately we didn't see any of the Seals. Still with so many fish in the area you can easily see why the Seals like it. We continued around the rocks and spotted one of the bomb shells. When Cheryl was down to 100 bar she switched over to my air for a while. Eventually she switched back, I shot my DSMB and we made our way out from the rocks as we did our safety stop. Ocean Trek made its way back around to Jervis Bay. We skipped the last dive of the day, got our log books up-to-date and then sat down for another great dinner prepared by Bob.

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