Vertical Datum: LAT Quality of Depth: SWS The PONZANO was mined in 1939. 04-JUN-1959 Clear at 31ft foul at 32ft after dispersal. 15-MAR-1962 Not searched for. 15-JAN-1967 Least echosounder 44ft scour 49ft. 30-JUL-1969 Drift sweep wreck cleared at 11.4m, wreck foul at 11.8m. Least depth over wreck by echo 12.7m in general depth of the seabed by echo 13-14m. Depth of the scour by echo 15.4m. Seabed is uneven. Wreck lies close to a bank with much shoaler depths over it. 22-SEP-1971 Position 51 28 20N 001 27 40E. Least depth from close echosounder 13.9m (45.75Ft) in 13.8m Scour 14.9m. 04-JUN-1974 Position 51 28 20N 001 27 40E. Least depth 13.6m in 14.5m. Scour 16.4m. 18-OCT-1977 Scattered wreckage, lying in scour (15.9m). Located in 51 28 20N 001 27 40E. Least echosounder depth obtained 14m in general depth 14m. But "on top" obtained not highest point which lies close SE. Side scan sonar3 height 0.91m. 26-MAR-1980 In 51 28 19N 001 27 44E. Swept clear at 11.6, Foul at 11.8m, least echosounder depth 12.6 in general depth 13.5m. Scour 14.5m. Lying WNW/ESE. Sunk into seabed with 3 separate structures protruding. Least depth at E end. 02-NOV-1983 In 51 28 19N 001 27 43E, least echosounder depth 13.2 in general depth 14m. Scour 15-16m. 3 main portions protruding from seabed - westernmost gave side scan sonar height 1.3m, But least echosounder depth obtained over easternmost. Lying WNW/ESE. 15-FEB-1990 Located during area search. Not examined closely. (1)

<1> Hydrographic Office wreck index, Extracted 20-JAN-1993, Page Nos. N/a (Bibliographic reference). SKE6339.