Their approximate displacement is 1,068 tons, with a speed of nine knots and an operating radius of nearly 2,000 miles under normal conditions.
Ushenxiso lwazo olukufuphi liwaka namashumi amathandathu anesibhozo eetoni,ngesantya sethoba somlinganiselo wesantya senqanawa kwakunye nomakhasangqa osebenzayo ophantse mawaka amabini eemayile phantsi kweemeko eziqhelekileyo.