Cecilia M. Dunlap

Shipwreck Cecilia M. Dunlap
Parknook, rigged as a bark rather than a barge
Type:
shipwreck, schooner barge ( originally a bark )
Built:
1876 as Parknook
Specs:
( 199 x 32 ft ) 793 tons
Sunk:
Saturday September 12, 1931
foundered
GPS:
40°25.374' -73°52.828' (AWOIS 2013)
Depth:
60 ft

The Parknook was an iron barque built by the Whitehaven Shipbuilding Company at Whitehaven in June 1876. She was owned by David Borrowdale of Whitehaven, and her first voyage was from Whitehaven to San Francisco with a coal cargo, under the command of Capt. Richard Thompson. In 1887 the Parknook carried emigrants to Australia.

The Parknook was sold to Norwegian owners by 1898, and by 1927 was registered at New York, renamed Cecilia M. Dunlap. She entered the coastal trade on the Atlantic seaboard and subsequently was converted to a schooner barge. She foundered on the 12th September 1931 in 60 feet of water during heavy seas, whilst under tow from Pennsylvania to New Jersey with about 10,000 barrels of oil as cargo.

Cecilia M. Dunlap steam condenser
Steam condenser recovered from the Cecilia M. Dunlap

The collapsed condition of this unit is due to either relatively cold ocean water coming into contact with the unit still hot from operation, or from the demolition process when explosives were used to clear the wreck, eliminating it as a navigational hazard.

AWOIS 8071

FE330SS/89--OPR-C147-HE-89; CONTACT 1 FROM SURVEY H-10284/88; DIVERS INVESTIGATION FOUND A LARGE MASS OF WOOD AND STEEL WRECKAGE OF UNDETERMINED TYPE; WRECKAGE WAS BADLY DETERIORATED AND ROSE TO ABOUT 10FT OFF THE BOTTOM; VISIBILLITY WAS VERY GOOD AND THE DIVERS WERE CONFIDENT THAT THE MEASUREMENT WAS MADE ON THE HIGHEST POINT; 52 FT DIVER LEADLINE LEAST DEPTH; LAT 40-22-20.93N, LONG 73-55-07.12W (NAD83);


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Here are some dimensions and specifications for scuba cylinders. This is by no means an exhaustive list. These numbers should be taken as approximate since equivalent tanks from different manufacturers will differ slightly. The two most common models - the Catalina aluminum 80 and Luxfer aluminum 80 - are highlighted, along with my favorite, the OMS LP steel 85.

  • Weight, full - this is what you will have to be able to lift, in and out of your car, around the dock, and up the boat ladder with all your other gear. Times two for doubles.
  • Weight, empty - this is pretty much irrelevant
  • Buoyancy, empty - this is what you need to weight yourself for, so that you can do a safe free stop at 20 feet at the end of your dive
  • Buoyancy, full - this is what your BC needs to be able to support when you jump in the water, otherwise you are a "dirt dart" heading straight for the bottom and disaster

Printed from njscuba.net