The Principles of Naval Architecture Series: Intact Stability is now available from the Society of Naval Architects and Marine Engineers (SNAME). The new volume, a revision of the previous chapter two of PNA, develops the principles of intact stability in calm water, starting from initial stability at small angles of heel then proceeding to large angles. Written by Dr. Colin S. Moore, Manager, Advanced Analysis and Salvage Engineering at Herbert Engineering Corp. and a member of SNAME ad hoc committees on Double Hull Intact Stability and Parametric Rolling, the new volume in the PNA series discusses various effects on stability, such as changes in hull geometry…