FRV Explorer 4B/78
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 4B/78 |
| Cruise period | 1978-04-03 — 1978-04-11 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) To investigate the engineering performance of a high lift, 3 bridle trawl, using underwater TV equiptment using Laboratory divers.
2) To compare the efficiency and performance of the Polyvalent and standard flat boards when fished with the four panel trawl, vinge trawl and 3 bridle trawl The performance of the trawl boards and their effect on the geometry of the gear was compared. |
| Chief scientist | A Corrigall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.07 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Shetland, Balta area, Clythe Ness |
| Measurements | |
| Biology and fisheries | |
| Gear research | Quantity: number of hauls = 13 Description: Instrumented. 8 with 3 bridle and the remaining hauls with the 4 panel trawl using the polyvalent doors only |
