Monument record LWT 429 - OBSTRUCTION, POSSIBLY BURIED WRECK OR WRECKAGE

Horizontal Datum: OGB
Vertical Datum: LAT
Quality of Depth: ES
Method of Fix: HF6

09-JUN-1970 Least depth over wreck by echosounder 6.9m, general depth
of sea bed by echosounder 7.6m. Depth of scour by echo sounder 8m.
Sea bed uneven. Fixed in 52 29 05.0N, 001 46 05.0E.
14-SEP-1978 Examined in 52 29 07.0N, 001 46 05.0E. Least echosounder
depth 6.8 in general depth 7.7m. No scour. Has appearance of
scattered or dispersed wreckage.

10-JUL-1979 Searched for and strong bottom features found in vicinity
using side scan sonar, but no other contact. In view of past history
and mobile nature of seabed, close sounding was not carried out.

05-JUL-1989 No side scan sonar contact or magnetometer deflection
obtained. General depth now 7.8m.