Wallem installs DNV Navigator to its fleet of more than 190 ships. Wallem Ship Management in Hong Kong has ordered DNV Navigator for its managed fleet of more than 190 ships. The contract also includes the Work and Rest Hours module allowing for compliance with international legislation on rest hours for seafarers. DNV Navigator is a dedicated decisions support tool for assisting the Master in handling the administrative and regulatory complexity of port operations. The new contract is the largest ever signed for DNV Navigator.