| Abreviation |
Definition |
| Draft |
The draft above baseline at midships (in
metres) |
| Displ. |
The displacement of the vessel at the given
draft (in tonnes) |
| LCB |
The position of the longitudinal centre of
buoyancy relative to the longitudinal datum (in metres)
+ indicates forward of datum - indicates aft of datum |
| VCB |
The height of the vertical centre of buoyancy
above the baseline (in metres) |
| WPA |
The waterplane area (in square metres) |
| LCF |
The position of the longitudinal centre of
flotation relative to the longitudinal datum (in metres)
+ indicates forward of datum - indicates aft of datum |
| MCTC |
The moment to change longitudinal trim one
centimetre, between perpendiculars (in tonne-metres) |
| KML |
The height of the longitudinal metacentre above
the baseline (in metres) |
| KMT |
The height of the transverse metacentre above
the baseline (in metres) |
| TPC |
The change in displacement per centimetre of immersion
(in tonnes) |
| WSA |
The hull wetted surface area (in square
metres) |
