USCG 47-Foot Motor Lifeboat-Morro Bay CA

The 47-foot MLB is the standard lifeboat of the

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, m ...

(USCG). The 47′ MLB is the successor to the 44′ MLB.Coast Guard bids adieu to 44-foot boat – Local News Updates – The Boston Globe
/ref> At Station Chatham where the new 47-foot boat would draw too much to get over the bar, the 42-foot Near Shore Lifeboat was designed to replace the 44' MLB. COAST GUARD COMPASS OFFICIAL BLOG OF THE U.S. COAST GUARD
/ref> The 47′ MLB is designed to weather hurricane force winds and heavy seas, capable of surviving winds up to , breaking surf up to and impacts up to three

G's The gravitational force equivalent, or, more commonly, g-force, is a measurement of the type of force per unit mass – typically acceleration – that causes a perception of weight, with a g-force of 1 g (not gram in mass measure ...

. If the boat should capsize, it self-rights in less than ten seconds with all equipment fully functional. The boat's

hull Hull may refer to: Structures * Chassis, of an armored fighting vehicle * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a ship * Submarine hull Mathematics * Affine hull, in affi ...

and superstructure are constructed entirely from 5456 marine grade aluminum. Designed with a hard chined deep "V"

planing hull Planing may refer to: * Planing (boat) or hydroplaning, a method by which a hull skims over the surface of the water * Hydroplaning (tires), a loss of traction caused by a layer of water between the tires and the road surface * Using a plane (t ...

,Operational Logistics Support Plan (OLSP) for the 47′ Motor Lifeboat (MLB)
/ref> the 47′ MLB exceeds its

hull speed Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-t ...

. The frame is composed of 17 vertical bulkhead frames, each of which is welded to the deck and hull, and five of which are watertight. Employing "fly-by-wire" control systems,Textron Marine MLB datasheet
/ref> the boat can be operated from four different locations: two from the enclosed bridge, and two amidships from an open bridge. Because of the “by wire” system the boat is controlled by joysticks instead of wheels. Situated less than above the water line are recessed retrieval wells, allowing for easier recovery of persons and jetsam, and easier boardings. A watertight survivor's compartment is equipped for comprehensive first aid. It is situated at the combined center of rotation of the ship. if needed a light machine gun can be fitted at the front of the vessel.

References

External links

US Coast Guard datasheet on the 47 MLB

Textron Marine datasheet on the 47 MLB
��contractor for the USCG 47 MLB
MetalCraft Marine
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47-Foot Motor Lifeboat - MLB
at military.com {{US Coast Guard navbox Motor Lifeboat Motor lifeboats of the United States

See also

References

External links