John A. Downs

Type:
shipwreck, tugboat, USA
Specs:
( 113 ft ) 8 crew
Sunk:
Sunday March 3, 1985
collision with one of its own barges - no casualties
Depth:
230 ft

INCIDENT SUMMARY

ON THE NIGHT OF MARCH 4, 1985 THE 113 FOOT TUG, JOHN A DOWNS, WITH 3 BARGES IN TOW BEGAN TO TAKE ON WATER. THE EMPTY BARGES WERE CUT LOOSE BUT THE VESSEL CONTINUED TO FLOUNDER. THE CREW OF 13 ABANDONED SHIP AND WERE RESCUED BY THE U.S. COAST GUARD. ALL THREE BARGES WERE TAKEN IN TOW BY OTHER VESSELS. ON THE MORNING OF MARCH 5 AN OIL SLICK WAS SIGHTED DURING LOW VISIBILITY CONDITIONS FROM A BUOY MARKED "2A" ON NOAA CHART 13211. THE MOST RECENT NUMBER FOR THIS BUOY IS "4" LOCATED AT 41 DEGREES 15.5 MIN NORTH LAT. AND 72 DEGREES 08.5 MIN WEST LONG. THE SLICK IS REPORTED TO EXTEND TO THE SOUTHWEST FOR 3/4 OF A MILE. NO WIDTH CAN BE OBSERVED. THE JOHN A DOWNS IS REPORTED TO HAVE 50,000 GALLONS OF #2 FUEL OIL AND 1,000 GALLONS OF LUBE OIL ON BOARD. USCG district 1.

-- UCCG

Owned by Great Lakes Dredge and Dock Co. of Staten Island, N.Y.


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regulator

There are a variety of choices you can make here, mainly concerning adjustability. High-end second stages come with one, two, or even three adjustments. Some are actually useful, others are pure marketing nonsense. With thick gloves on, you may not even be able to work them in the water. All user-accessible adjustments have a much narrower range of operation than the internal adjustments that a technician can make. My experience is that if a reg is malfunctioning, the user adjustments will be useless to stop it. On the other hand, if you're a gadget person who likes to fiddle with things, some of the adjustments actually can make a noticeable ( although not essential ) difference in breathing. On the theory that extra moving parts are extra failure points, I would avoid adjustable regulators, but that's not really possible anymore. With most manufacturers, the non-adjustable regs are the bottom of the line, and you don't want that, so buy a good reg, and if it has a few useless bells and whistles, live with them.

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