FRV Mara 3/67

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier3/67
Cruise period1967-03-28 — 1967-04-14
Port of departureBuckie, United Kingdom
Objectives1)To test a number of low frequency sound sources in the chosen position in preparation for the second cruise in May and June
2) Ambient noise measurements were carried out for different sea state conditions. The NIO and Marine Laboratory's ARL hydrophones were compared
3) Echo survey
4) Handline fishing for shoals of whiting
5) 3 anchors were laid at 57 degrees 32.85 minutes North, 5 minutes 35.35 minutes West

''Mara'' aarived in Kyle on the 29/03/1967 where time was spent wiring up the ship's Laboratory and testing equiptment. The ship proceeded to Loch Torridon on the 03/04/1967. ''Mara'' returned briefly to Kyle to take on water and stores
Chief scientistColin J Chapman (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 3/67 cruise report mara3_67.pdf (0.07 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificLoch Torridon, SE of Alligin
Geology and geophysics 
Single-beam echosoundingQuantity: number of surveys = 1
Description: In Loch Torridon an echo-survey was carried out and a deep hole found.
Moorings, landers, buoys 
Geology and geophysics 
Single-beam echosounding57° 32' 50" N  5° 35' 20" W — Deep hole found and used for echo-sounding.