Consider this (quite realistic) dive planning scenario:
The dive site is a pinnacle with a 100' bottom, rising to within 15' of the surface. The boat is tied to a mooring ball which is anchored to the top of the pinnacle. The operator tells you that time on this site isn't restricted, but they want you back on the boat with 500 PSI. It's your third dive of the day, you're feeling great and energized by the fantastic diving you've had so far, and you want a nice long dive of at least 90 minutes. During the briefing, you're also told that there's an octopus hole down at 60', and you and your buddy decide that you really want to check it out.
How do you plan a dive that allows you to safely meet all of these goals? How does your computer fit into that plan?
On the deck of a dive boat, the "plan" you'll most frequently heard discussed by computer divers for this dive goes something like this: "We'll descend to 60' (or maybe deeper), stay there until we start to run out of bottom time or air, then move to a shallower depth until we're low on air or run out of bottom time."
That's not much of a plan, but it's done every day...
-B
The dive site is a pinnacle with a 100' bottom, rising to within 15' of the surface. The boat is tied to a mooring ball which is anchored to the top of the pinnacle. The operator tells you that time on this site isn't restricted, but they want you back on the boat with 500 PSI. It's your third dive of the day, you're feeling great and energized by the fantastic diving you've had so far, and you want a nice long dive of at least 90 minutes. During the briefing, you're also told that there's an octopus hole down at 60', and you and your buddy decide that you really want to check it out.
How do you plan a dive that allows you to safely meet all of these goals? How does your computer fit into that plan?
On the deck of a dive boat, the "plan" you'll most frequently heard discussed by computer divers for this dive goes something like this: "We'll descend to 60' (or maybe deeper), stay there until we start to run out of bottom time or air, then move to a shallower depth until we're low on air or run out of bottom time."
That's not much of a plan, but it's done every day...
-B
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