This article describes a draught survey system developed to replace the existing non-standardised and unpredictable 'traditional' draught survey procedures. Movement of the surface water which could influence the accuracy of the draught measurements is claimed to be virtually eliminated using a portable draught gauge. The methods of calculating a vessel's displacement (by using hydrostatic tables and Nemoto's trim corrections) have never been standardised or tested scientifically. A computer program has been developed to eliminate these uncertainties. This was reached by using elementary and standardised principles and calculations. A comparison is made between the discrepancy shown by the new draught survey results and the results of the conventional volumetric computations (ullage survey) collected during a field test on a VLCC.

  • Supplemental Notes:
    • Seaways, April 1995, p 13 [3 p]
  • Authors:
    • Beemster, J
  • Publication Date: 1995


  • English

Subject/Index Terms

Filing Info

  • Accession Number: 00710929
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Aug 14 1995 12:00AM