2.1.1 The arrangement
of the bow thruster is to be such that the ship can maintain a speed
of not less than 6,5 km/h also in the unloaded condition and can be
satisfactorily propelled in accordance with Pt 5, Ch 1, 5 Propulsion redundancy. The steering gear of the bow thrust unit is to be provided
with two independent means of steering in compliance with Pt 5, Ch 15, 2.1 General 2.1.1 .