New Jersey Scuba Diving

u13 - AWOIS 7932

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H10224/86 -- OPR-C121-WH-86; WHILE INVESTIGATING ITEM 751, AN AREA WITH NUMEROUS SIDE-SCAN SONAR CONTACT WAS FOUND AND DEVELOPED USING SIDE-SCAN AND ECHO SOUNDER; DIVER INVESTIGATION DETERMINED LIMITS OF SITE, NATURE OF WRECKAGE, AND LOCATION OF THE LEAST DEPTH; SITE WAS ORIENTED NORTHEAST-SOUTHWEST; CONSISTS MOSTLY OF SHIPYARD DEBRIS IN THE FORM OF HEAT EXCHANGERS, BUCKLED DECK PLATING, TWISTED ANGLE IRON, WOODEN RIBS, AND PIPING OF VARIOUS LENGTHS AND SIZES; THE NORTHEAST END OF THE SITE CONSISTED OF A BARGE LYING IN A NORTHWEST-SOUTHEAST DIRECTION WITH THE BOW OF THE BARGE DEFINING THE SOUTHEAST WALL OF THE SITE; THE NORTHWEST END OF THE BARGE, THE STERN, WAS COVERED WITH METAL DEBRIS, HAWSER LINES, AND TRAWLER NETTING; DIVERS CONCLUDED THAT THIS SITE IS THE WRECK OF A BARGE THAT WAS FILLED WITH SHIPYARD SCRAP IRON AND DEBRIS; PNEUMATIC DEPTH GAUGE LEAST DEPTH OF 50 FT. (ENTERED MSD 4/91)

AWOIS Database, Barges, Dive Sites, New Jersey Dive Sites, Sandy Hook Dive Sites,

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Pony & Stage Bottles & Mounts

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Having said all that about doubles, there are still times when it makes more sense to dive "lite". Out of the water, double tanks are very heavy and cumbersome, which makes them practical only for boat entries, where you simply have to stagger across the deck and fall overboard. At other times, and in less deep situations, you can maintain a safe redundant air supply using a much lighter "pony bottle" - a small tank of 20-40 cubic feet, weighing only about 10-20 lbs, with its own regulator that is used only in an emergency. Some of the situations where this configuration is useful to include medium-depth dives, 40-80 ft, training and practice dives ( especially in the quarry, where it is possible to reach quite deep water from the shore ), and excursions to the tropics.

Larger pony bottles ( 40-50 cf ) are also useful as "swing bottles" for carrying special decompression mixes, while the smaller ones are small enough to actually take with you when you travel. Most airlines will allow it in checked baggage if you remove the valve. This is very useful since many tropical destinations are not equipped to provide the kind of safety equipment that we take for granted here. The smallest pony bottles are really not big enough to get you out of trouble on a deep Jersey dive, however.

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