Division .6 The final conditions of the ship after damage and, in the case of unsymmetrical flooding, after equalisation measures have been taken shall be as follows:F1

in the case of symmetrical flooding there shall be a positive residual metacentric height of at least 50 mm as calculated by the constant displacement method;

unless provided otherwise in paragraph 6.2b, in the case of unsymmetrical flooding the angle of heel for one-compartment flooding shall not exceed 7 ° for class B ships (new and existing) and 12 ° for classes C and D ships (new).

For the simultaneous flooding of two adjacent compartments, a heel of 12 ° may be permitted for existing and new class B ships, provided that the factor of subdivision is nowhere greater than 0,50 in that part of the ship that is flooded;

for existing class B non ro-ro passenger ships, constructed before 29 April 1990 , in the case of unsymmetrical flooding, the angle shall not exceed 7 °, except that in exceptional cases the Administration may allow additional heel due to the unsymmetrical moment, but in no case the final heel shall exceed 15 °.

in no case shall the margin line be submerged in the final stage of flooding. If it is considered that the margin line may become submerged during an intermediate stage of flooding, the Administration of the flag State may require such investigations and arrangements as it considers necessary for the safety of the ship.