Unknown Wreck 116658

General Comments

HISTORY NM13/47--THREE LCVP'S REPORTED SUNK IN 20 FEET IN NORTH SIDE OF CHANNEL IN APPROX. POS. LAT.38-03N, LONG.122-19W. H7898/51--CS256; SEXTANT CONTROL; SUBMERGED WRECK, (POSSIBLY TWO) LOCATED IN APPROX. POS. LAT.38-03.38N, LONG.122-19.05W. 14 FEET ECHO SOUNDER LD AT MLLW. NO INDICATION OF A THIRD WRECK REFERRED TO IN NM13/47. CL280/78--CAS18654(1977)-OPR-511-DA77, ITEM 23; MINIRANGER CONTROL; SUBMERGED WRECK LOCATED IN LAT.38-03-22.997N, LONG.122-19.03.092W. CLEARED BY 14 FT WITH DIVER LD OF 17.8 FT (PREDICTED). DIVERS REPORTED METAL WRECKAGE PROTRUDING 1.5 FT ABOVE BOTTOM, COVERING AN AREA OF APPROX. 25 SQ. FT. ECHO SOUNDER INVESTIGATION (50 METER LINE SPACING) REVEALED NUMEROUS TWO FOOT PEAKS BUT NO ADDITIONAL WRECKAGE WAS FOUND. HYDROGRAPHER RECOMMENDED THAT AREA BE MORE ADEQUATELY SWEPT IN ORDER TO DISPROVE THE PRESENCE OF ADDITIONAL WRECKS IN THE AREA (NM13/47). WIRE DRAG OPERATIONS WERE HAMPERED BY CURRENT ACTION. (SEE AWOIS ITEM 50531 FOR RELATED INFO.) MAR--6/83, OPR-L123-RA-83; RECOMMENDS RETAIN AS CHARTED. H10081/83--OPR-L123-RA-83; 14FT WK(CLEARED 14FT NOT DISPROVED. SSS INDICATES A CONTACT AT LAT 38-03-25.9N, LONG 122-19-01.9W (PA) 100M NORTH OF THE CHARTED POSITION. DIVERS FOUND METAL WRECKAGE PROTRUDING 1.5FT ABOVE THE BOTTOM AT THE CHARTED POSITION. LD AND POSITIONS WERE NOT ACQUIRED. VERIFIER RECOMMENDS RETAIN AS CHARTED AND ADD. WK. BE CONDUCTED. (UPDATED 4/85 RWD) FE299/87--OPR-L123-PHP-87; SUBM WRECKAGE (COV 17FT AT MLLW) WAS LOCATED BY BOTTOM DRAG IN LAT 38-03-22.94N, LONG 122-19-03.00W. A 2X2M SQUARE METAL PLATE AND PROP WAS HUNG BY A 100M DRAG AT THIS POSITION. DIVERS USED A PRESSURE DEPTH GAGE TO DETERMINE DEPTH. NO OTHER DEBRIS WAS LOCATED. SUPERSEDE THE CHARTED DATA WITH THE PRESENT SURVEY DATA. (UP 8/88 RWD).