Measuring 32 m ( 100 ft ) and drawing 3.5 m ( 11 ft 6 in ) , she is a good size for conducting research inside the constricted space of a sea loch .
Clupea was commissioned in 1968 .
Measuring 32 m ( 100 ft ) and drawing 3.5 m ( 11 ft 6 in ) , Clupea is a good size for conducting research inside the constricted space of a sea loch .
Clupea was commissioned in 1968 .