Cruise inventory

RRS Discovery D83

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD83
Cruise period1977-05-26 — 1977-06-09
StatusCompleted
Port of departureSouth Shields, United Kingdom
Port of returnBarry, United Kingdom
PurposeTrials
ObjectivesThe primary objective was to carry out trials and to commission the new GLORIA II vehicle, its launch and recovery gantry and associated electrical/electronic power and signal processing equipment for use on Cruise 84.
Secondary objectives were to:
a) carry out further tests on the shipborne side-scan sonar MkIII, to assess modifications made during the refit and the fitting of fins to the pod.
B) check the two drum hydraulic capstan for hydrophone/air gun deployment, recently converted for two drum operation.
Chief scientistWilliam E Elford (Institute of Oceanographic Sciences Wormley Laboratory)
ProjectGLORIA II Proving Trials
Cruise reportRRS Discovery D83 cruise report d83.pdf — access key 'C' (4.02 MB) 
Ocean/sea areas 
GeneralNorth Sea
Irish Sea and St. George's Channel
Bay of Biscay
Track chartsRRS Discovery D83 cruise track — trk1820.html
Measurements 
Meteorology 
Routine standard measurements
Geology and geophysics 
Long/short range side scan sonarQuantity: track kilometres = 2592
Description: short range side-scan on MuFax paper(also telesounder);long range side-scan on magnetic tape