FRV Explorer 11B/80
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 11B/80 |
| Cruise period | 1980-10-14 — 1980-10-23 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Trials |
| Objectives | 1) To compare the herding of fish by single and twin sweep rigging systems on bottom trawls
2) To collect data on fish reactions to various gear components as a means of estimating the overall fish capture efficiency of bottom trawls 3) Observations and measurements of bioluminescence were made at various anchor sites and on the fishing ground on the 20/10/1980 The new camera was found to be faulty and observations were abandoned with rising winds. On the 20/10/1980, the camera attitude monitor failed and the wing and belly of the gear were damaged. During the second haul the light failed due to heavy cloud. ''Explorer'' was dirverted to fisherey protection duties in the Pentland Firth area |
| Chief scientist | Clem S Wardle (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), D N MacLennan (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.12 MB) |
| Ocean/sea areas | |
| General | North Sea North East Atlantic Ocean (limit 40W) |
| Specific | Orkney, Copinsay grounds |
