At the beginning of your dive you should swim into the current, as the energy you’
ll expend will deplete your
gas and physical reserves more quickly. When you reach the turn point, usually after one-third of your gas supply is gone, simply drift back toward the ascent line. Be cautious not to pass it.
When diving from a boat a diver should always start their dive swimming into the current?
When to Go With the Flow — and When Not To. In most cases, divers are taught to “begin the dive into the current.” This is done for two reasons. First, swimming
into the current can be tiring
, so divers are told to spend the first part of the dive, when they are fresh, swimming against it.
How do you start diving with current?
If you’re shore diving in a current and need to return to the same entry when you end your dive, remember to begin
your dive by swimming against (into) the current
; the current can then help push you back in your desired direction at the end of the dive when you have less air remaining and less energy to swim.
Do you dive with the current?
Swim against the current
The first part of
your dive should be against
the current. Except for drift dives, your dive should be planned and conducted so that you return to the line that brought you down.
When diving in a mild current normally want to start my dive The current?
When diving in a mild current, normally I want to begin my dive _________________the current. If I were caught in a current and carried downstream past my planned exit, I should swim _________________________the current. When I’m diving, I want to avoid bottom contact because.
What is the most important rule in scuba diving?
If you remember one rule of scuba diving, make it this:
Breathe continuously and never hold your breath
. During open water certification, a scuba diver is taught that the most important rule in scuba diving is to breathe continuously and to avoid holding his breath underwater.
What is considered a strong current?
Strong current
(2 to 3 knots):
What should you not do after scuba diving?
- Fly. Flying after scuba diving is one of the more widely known risks to divers. …
- Zip-lining. Ziplining usually occurs on a mountain or elevated area and should be avoided for 24 hours after a dive due to the altitude.
How many knots is a fast current?
Fast water is defined as sustained current in excess of
4 knots
(7.41 kilometers per hour).
What is narcosis in diving?
In underwater diving, narcosis (nitrogen narcosis, inert gas narcosis, raptures of the deep, Martini effect) is
a reversible change in consciousness that occurs while a person is diving at deep depths
. Certain gases at high-pressure cause an anesthetic effect that alters a diver’s consciousness.
What should you do if you get caught in a strong current?
Stay afloat, yell for help, swim parallel to the shore
. Do not exhaust yourself fighting the current. Beachgoers sometimes see scary looking warning signs telling them to watch out for rip currents. “Rip” in this case could stand for “rest in peace,” because these currents can be deadly.
How do you escape a down current?
Just as you swim across a rip current to escape it,
swim away from the wall, across the current
. Most importantly, don’t panic. 5. IF IT SEEMS as if you’re unable to get out of a downwelling and your BC doesn’t have enough lift, drop your weights.
Where is the best place to position an alternate air source?
Your alternate air source attaches with a quick release in
the triangle area formed by your chin and the lower corners of your rib cage
. Avoid letting your alternate air source dangle unsecured from your kit. See Equipment I – Regulators. A scuba diving without a buddy.
What happens if you fail the padi final exam?
The pass mark is 75%. It is a pass/fail exam. If you get below 75% you will have to return to a later IE to retake the whole written exams section. … If you fail in 2 or more sections, or you fail the retake, you will have to
attend a later PADI Instructor Exam and repeat all written exams again
.
When planning a dive with a computer I use the?
Refer: Using Dive Computers and
Tables I
– Planning Dives with Your Computer. With most dive computers, you scroll depths in 3meters increments, displaying maximum time allowed per depth. Thus, you plan dives with your dive computer by activating it and scrolling the no stop limits.
