Cruise inventory

RV Ernest Holt 3/69

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier3/69
Cruise period1969-03-04 — 1969-03-10
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To use the acoustic arch fitted along the headline of a bottom trawl in
the North Sea.
2. If time permits to carry out shooting and hauling trials with the Engel trawl, using various rigs of backstrops, pennants and bridles.
3. As dictated by progress and conditions a nurlber of suitable live flatfish of various species will be collected from Flamborough Off Grounds for Dr. Purdom.
Chief scientistJ G Cattley (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 3/69 cruise report ernest_holt03_69.pdf — access key 'C' (0.13 MB) 
Ocean/sea areas 
GeneralNorth Sea
Physical oceanography 
Instrumented wave measurementsDescription: observations
Biology and fisheries 
Demersal fishDescription: plaice, lemon sole and dabs collected
Gear researchQuantity: activity duration in days = 7
Description: acoustic arch research
Gear researchDescription: trials with Engel trawl using backstrops, G-links and recessed links
Routine standard measurementsDescription: synotptic hourly measurements