ABS Nautical Systems has signed two new contracts in Greece with Petrochem General Management S.A. and Opera S.A. for use of its NS5 Enterprise software. Both companies will take advantage of the ABS Newbuild Program which offers free software to ABS-classed vessels built after 1 January 2009. Petrochem General Management S.A. will implement the Hull Inspection module on seven of its chemical carriers. The Piraeus-based company was looking for a more user-friendly software solution…