MSRT - Defender B Class / Response Boat - Small
A Maritime Security Response Team (MSRT) boat crew operates a Defender B Class, also known as Response Boat Small (RB-S) boats.
The RB-S is used by United States Coast Guard (USCG) units, including Maritime Security & Safety Teams (MSST) and MSRTs (as shown here).
MSRT's boats are piloted by boat crews from its Tactical Delivery Teams.
The boats, which are made by SAFE Boats international, feature a deep-V, rigid monohull surrounded by a collar of close cell polyethylene foam.
The 25-foot-long hull is made from marine grade aluminum, as is the deck.
The deck is fitted with non-skid material.
The Defender Class B features a cabin, also constructed of marine grade aluminium, which is welded to the hull.
The cabin features 14 windows, including 6 spotter windows in the roof.
Inside the cabin is seating for 4 crew members.
A further 6 passengers can be carried sitting on aft boxes and gunwales.
The top of the cabin features a hinged mount for a radar pod and radio antennas.
This can be folded down for transport in C-130 aircraft.
The RB-S is powered by twin Honda 225 horsepower 4-stroke outboards driving 14x19 Mercury Offshore / Ventura Series propellers.
It has a maximum speed of 46 knots with a cruise speed of 35 knots.
A 105 gallon fuel tank gives the boat a maximum range if 175 nautical miles at 35 knots.
Gun mounts for machine guns are fitted fore and aft.
A M240B 7.62mmx51mm belt-fed medium machine gun is being manned at the bow of the pictured RB-S.
On-board systems include a Furuno 1933C 10.
4 inch Color Radar and Chart Plotter, GP-37 DGPS Receiver, RD-30 Remote Display (displays DGPS, Depth, Water temperature and Heading), PG-1000 Flux Gate Compass Transducer and ARC Remote Control.
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