1. To carry out an echo-integration survey for sprats in the Western Sea between the Moray Firth and Flamborough.
2. To identify the echo traces using midwater trawl PT 154 (Young Gadoid Trawl) and Isaac Kidd midwater trawl.
3. To collect acoustic data for each consecutive transmission for subsequent detailed analysis.
J Ian Edwards (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)