RNLI - IB-1 Inshore Lifeboat Class The IB-1 Inshore lifeboat is specifically designed for close inshore work where bigger, deeper draught boats cannot manoeuvre. It has an endurance period of 3 hours and a top speed of 25 knots. In the event of a capsize, the boat can be righted manually by the crew. The IB1 replaces the previous D-Class and has a higher top speed at 25 knots, better communications and navigation equipment with a GPS plotter/e-chart system, and a rigid floor that improves handling and the ride for the crew. The IB1 class has been operational since mid 2003 and has been a success ever since. Full Speed 25 Knots Lengh 4.95m Beam 2.0m Displacement 338kg Range (At Full Speed) 3 Hours Crew 2 (Day-time) or 3

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