Logbook Scuba Dive # 349 - Darwin's Arch

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Date:	Entry Time:	Dive Time:	Max. Depth:
Fri, 19-Aug-2011	10:10:00	59 minutes	18.6 metres
Dive Location:		City / Island:
Darwin's Arch		Darwin Island, Galapagos
Country:		Dive Master:
Ecuador		Jimmy
Dive Charter:		Dive Trip:
Humboldt Explorer		Galapagos - August 2011
Buddy/Buddies:
Bill Boyle, Jeff Swann, Jonathan Aitken, Peter Fear, Stephen McMaster, Susana Marques de Costa
Dive Details:
Entry:	Boat Name:
Boat	Humbolt Explorer
Start PG:	Entry Time:	Exit Time:	End PG:
-	10:10:00	11:09:00	-
Altitude:	Rep. Dive:	Surface Interval:
0 m	Yes	02:15
Max. Depth:			Avg. Depth:
18.6 metres			13.64 m
	Dive Time:		Deco. Dive:
	59 minutes		No
Conditions:
Weather:	Air Temp.:	Water Temp.:
Cloudy	25 °C	26 °C
Water:	Waves:	Current:
Salt	Small Waves	Medium Current
Visibility:	Horizontal Vis.:	Vertical Vis.:
Good	-	-
Equipment:
Weight:	Dive Suit:	Dive Computer:
12 kg	Wetsuit 7 mm	Suunto HelO2
Equipment used on this dive:
Analox O2 EII \| Apeks DIN to Yoke Adaptor \| Apeks XTX200 Regulator - Single Primary \| 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 \| DUI Weight & Trim 2 Harness \| GME AccuSat Pocket Pro+ MT410G PLB \| Halcyon Titanium Knife Sheath - Tech \| Kent Tooling Ratchet Reel - 40 metres \| Neptune Scorpion Gold 7mm SemiDry Wetsuit \| Northern Diver KN14 Titanium Dive Knife - Tech \| Northern Diver Superstretch 2mm Neoprene Gloves \| Oceansuits 3mm Hood \| OMS Aluminium Backplate - Tech \| OMS Comfort Harness II \| OMS Compact Titanium Line Cutter with Pouch \| OMS Dual Bladder, Banded Wing - Tech \| OMS Silicone Necklace Secondary - Tech \| OMS Submersible Pressure Gauge \| Smash 20 litre Cooler Bag \| Sonar Explorer Black Silicone Mask - Backup \| Sonar Explorer Black Silicone Mask - Primary \| Suunto HelO2 Dive Computer \| Suunto Transmitter - Tech \| Suunto Vytec DS Dive Computer \| Waterborne Safety Strap - HelO2 \| Waterborne Safety Strap - Vytec

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:
32%	0%	-	1.4 bar
EAN 32	MOD:	EAD:	END:
EAN 32	33.7 m	27.7 m	33.7 m
Start Pressure:	End Pressure:	Diff. Pressure:
205 bar	110 bar	95 bar
Avg. Depth:	SAC Rate:
-	-

Avg. Depth:	SAC Rate:
13.64 m	13.62 litres/min
Gas Mixture:
Nitrox 32%

At Darwin's Arch you roll back from the RIB and quickly descend to grab onto the rocks at about 15 metres. Then everyone gathers together and makes their way down to about 20 to 25 metres at the edge of a wall. You cling onto the rocks, being careful not to grab a large fine-spotted moray eel resident in the cracks between the rocks. Then you look out into the blue. Typically there will be thousands of fish of all shapes and sizes everywhere, totally filling the water column. A parrot fish might be pecking away at some coral just a few feet from you. Other fish swim between your arms. Anywhere else in the world you'd be totally amazed and blown away by this. At Darwin's Arch, all of these thousands of fish just become nothing but backscatter. Your attention is totally consumed by the passing parade of large schools of Hammerhead Sharks, Galapagos Sharks, Silky Sharks, plus Eagle Rays, Dolphins, Green Turtles, Yellowfin Tuna, and other pelagics. Hundreds of these large critters pass you by in the current and you are totally mesmerised by them all. Sometimes a Hammerhead Shark will suddenly appear before you, then with a quick flick of its tail, vanish out into the blue. It is quite simply awesome.

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