Numbers five and six in an eight boat order, the Masleny Tide and Mervat Tide, will join their sisters Vickie Tide, Bonnette Tide, Lourdes Tide and Ursula Tide following their delivery from the C&G Boat Works in Mobile this fall. The last two vessels in this order will deliver in the spring of 2005. These 175x34-ft. vessels look like crew boats but are designed with internal tankage for liquid mud as well as fuel and water in their 14-ft. molded depth hulls. With ample deck cargo space and seating for 36 passengers, these are versatile boats that combine supply vessel type cargos with crew boat speeds. Four Cummins V-16 cylinder KTA50 main engines generate 1…