the force that tends to restore a ship to its normal upright position after it has been inclined. Expressed in foot-pounds, it is the resultant of the forces of buoyancy and gravity as a righting couple
Moment due to launching of all fully loaded davit-launched survival craft on one side: ...
.2.4 persons not in the life-saving appliances which are swung out shall not provide either additional heeling or righting moment;
