A MOB, short for man overboard boat, is a small, fast rescue boat which large vessels, especially passenger
ferries
A ferry is a ship, watercraft or amphibious vehicle used to carry passengers, and sometimes vehicles and cargo, across a body of water. A passenger ferry with many stops, such as in Venice, Italy, is sometimes called a water bus or water tax ...
and
cruise ship
Cruise ships are large passenger ships used mainly for vacationing. Unlike ocean liners, which are used for transport, cruise ships typically embark on round-trip voyages to various ports-of-call, where passengers may go on tours known as "s ...
s, use for
man overboard
"Man overboard!" is an exclamation given aboard a vessel to indicate that a member of the crew or a passenger has fallen off of the ship into the water and is in need of immediate rescue. Whoever sees the person's fall is to shout, "Man overboa ...
situations. MOBs use
diesel
Diesel may refer to:
* Diesel engine, an internal combustion engine where ignition is caused by compression
* Diesel fuel, a liquid fuel used in diesel engines
* Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...
or
gasoline
Gasoline (; ) or petrol (; ) (see ) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines (also known as petrol engines). It consists mostly of organic co ...
-powered engines and are constructed of highly buoyant materials making them nearly unsinkable.
Design
MOBs are constructed from fire-retardant polyester fibreglass resin. Due to the inherent buoyancy of the materials, the vessel is nearly unsinkable. Each boat seats five people with room for a sixth lying down on the floor. The MOBs can be powered by
diesel
Diesel may refer to:
* Diesel engine, an internal combustion engine where ignition is caused by compression
* Diesel fuel, a liquid fuel used in diesel engines
* Diesel locomotive, a railway locomotive in which the prime mover is a diesel engin ...
outboard motor
An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. They are the most common motorised method ...
s up to or
gasoline engine
A petrol engine (gasoline engine in American English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends (such as ''E ...
s of .
The MOB is usually
davit
Boat suspended from radial davits; the boat is mechanically lowered
Gravity multi-pivot on Scandinavia''
file:Bossoir a gravité.jpg, Gravity Roller Davit
file:Davits-starbrd.png, Gravity multi-pivot davit holding rescue vessel on North Sea ferr ...
-launched.
Regulations
According to
International Maritime Organization
The International Maritime Organization (IMO, French: ''Organisation maritime internationale'') is a specialised agency of the United Nations responsible for regulating shipping. The IMO was established following agreement at a UN conference ...
regulations, passenger ships that are less than require one Rescue boat and those that are larger need to carry at least one rescue boat on each side of the ship.
Roll-on/roll-off
Roll-on/roll-off (RORO or ro-ro) ships are cargo ships designed to carry wheeled cargo, such as cars, motorcycles, trucks, semi-trailer trucks, buses, trailers, and railroad cars, that are driven on and off the ship on their own wheels or using ...
passenger ships require one Fast Rescue Craft (FRC) to be at least in length and capable of . Cargo ships need to carry one rescue boat.
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Citations
External links
Fast rescue craft
{{Ship's boats
English inventions
Lifeboats
Ship's boats