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12 Cards in this Set
- Front
- Back
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At what water temp was set as a limit from the results of NAVSEA regulator freeze-up testing?
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37 dgrees fahrenheit
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List the dive equipment authorized for use while diving in water temps at or below 37 degrees fahrenheit?
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POSEIDON
ODIN P/N 3960-80 OR OLD P/N 2960-80 CYKLON 5000 P/N 3950-80 OR OLD P/N 2950-80 THOR P/N 2940-80 CYKLON 300 P/N 2980-80 (AIG 09-13), Divator MK-IIG, EXO BR MS (refer to ANU) |
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Can I use a life preserver with CO2 activation while diving under ice? T/F
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False, it is prohibited
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List the items unique to ice diving.
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Variable volume dry suit, approved cold water open-circuit scuba or closed-circuit uba, face mask or approved full faced mask, stainless steel ice screws, Harness such as an Integrated Divers Vest (IDV), MK 12 jocking harness, etc.
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Which publication can I find complete information on thermal protection of support personnel and equipment during ice diving operations?.
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Polar Operations Manual S0300-A5-MAN-010 (Naval Coastal Systems Center) (NCSC)
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What must be done to diesel and gasoline engines before used in an ice diving environment?
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Cold-weather modified to prevent engine freeze-up
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What is the size of the entry hole for ice-diving?
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6FT X 3FT rectangle or a triangle with 6FT sides.
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Name two ways to assist the diver/s in navigating under the ice.
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Hang a weighted line throught the hole or shovel off the snow cover on the ice around the dive site in the form of a spoked wheel (60FT DIA. MIN)
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What is the length of stand-by diver's lifeline?
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Twice the length of each diver's lifeline
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When diving under ice or in extremely cold water, is a paired dive partner is required? T/F
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True
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State lost diver procedures for ice diving.
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1. Ascend to the underside of the ice.
2. Remove weight belt and allow it to drop. 3. Thread an ice screw onto underside of the ice to maintain position. 4. Remain in a vertical position, to maximize vertical profile and thereby snag the searching standby diver’s lifeline. 5. Watch for lifeline and the lifeline of the standby diver and wait for the standby diver to arrive. The lost diver MUST NOT attempt to relocate the hole. |
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What are the advantages of Surface-Supplied Diving under ice or in extremely cold water?
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1. Supports bottom-oriented work.
2. The use of Hot water suit and variable volume dry suit 3. Positive comms 4. Gas supply allows maximum duration to the maximum depth limits of diving. |
