who establishes the allowance of boats for forces afloat?
the Chief of Naval Operations (CNO)
who establishes the allowance of boats for shore stations?
Commander, Naval Sea Systems Command
what is meant by the term "nomenclature"?
it refers to the names given to the various parts or fittings of a boat
what are most boats in service in today's Navy, constructed of?
molded fiber glass or of metal skeletons to which metal plates have been attached to form a hull
what is the backbone of the skeleton of a boat called?
a keel, and its ribs are the frames
what are the inner parts of the boat hull on either side of the keel up to where the sides begin called?
what is the name of the most forward part of a boat?
what is the outboard part of the stem that is below the surface called?
what is the beading of a boat?
it is a half-rounded fender that starts just abaft the stem and running fore and aft on both sides
what line is used to make the boat fast by the bow?
the boat's painter, and it is secured abaft the stem with a ring and cleats
where is the rudder blade of a boat attached?
to the rudder stock, which enters the hull through a stuffing box
what size boats are usually made of plastic or fiber glass?
boat 50 ft long and under
what is the purpose of the design of landing craft (called boats) carried by carious amphibious ships?
to transport personnel and/or cargo from ship to shore
what amphibious ships carry landing craft for the movement of personnel and cargo from the ship to shore?
1-general-purpose assault ships (LHAs)
2-multi-purpose assault ships (LHDs)
3-cargo ships (LKAs)
4-landing ships (LSDs)
5-tank landing ships (LSTs)
what are personnel boats?
heavy-duty square-sterned boats in various lengths from 26-40 ft
what boats act as the ship mail carrier?
how are the larger personnel boats divided?
into 4 spaces, the cockpit, the engine compartment, and the fore and aft passenger compartments
what are motor whaleboats?
round-bottomed, diesel-powered boats used as lifeboats and shipboard utility boats
what boas are generally used as cargo and personnel carriers or as heavy-duty work boats?
what is the term used to describe boats that are assigned for the personnel use of flag officers?
what is the term used to describe boats that are assigned for the personnel use of chiefs of staff for squadron, group, and division commanders, who are not flag rank, and for the commanding officers of the ship?
why is every boat, in active naval service, required to have a complete outfit of equipment?
to enable the boat and its crew to perform their normal day-to-day functions and to weather minor emergencies, such as small fires
what is the hoisting weight and personnel capacity of the MWB (MK 10)
hoisting weight is 6,400 pounds and capacity is 18
what is the cargo capacity for a 24-foot RIB MK 3 small boat?
what is the hoisting weight and personnel capacity of the LCPL (MK 11) boat?
hoisting weight is 18,500 pounds and capacity is 17
where can a list of all items allowed for each boat on the ship be found?
on the Coordinated Shipboard Allowance List (COSAL)
when a boat is turned in, what action is taken with the boat's outfit?
the boat's outfit must also be turned in unless the boat is to be replaced by another of the same type
what weight grappling hooks are requisitioned for a small boat?
hooks are 4-pound with 100 ft of 3/4-inch nylon line spliced to the chain
what line is required for use as a swimmer's/survivor's tending line?
300 yards of 800-pound test, 1/4-inch diameter, yellow polypropylene line
where are regulations and guidelines for the boat bill set forth?
whose responsibility is it to make sure that an inspection of the ship's boats and their equipment is conducted daily?
the First Lieutenant
what must the daily boat inspection include?
a test of the boats' engines, including their fuel and oil levels, lights, horns, and fog signals. it will also include an inspection of each boat's hull, fittings, and the standard and required equipage
what specific data must be available to all personnel who work with boats?
each boat's size and dimensions, its hoisting weight, its cargo capabilities, and how many personnel it will accommodate safely
why is using fuel to clean the engine or bilges strictly prohibited?
because fuel vapor is highly combustible when mixed with air
what procedure is used if fuel from a leak runs into the bilges?
the bilges must be washed down, pumped out, dried, and aired thoroughly
where must the battery box on boats be located?
outside a closed engine compartment and should be provided with a suitable drip-proof cover
when should fueling of all boats be accomplished?
during daylight hours with the boat in the water
in what NSTM can you find special fueling precautions for a small boat?
when fueling a boat, where should the grounding wire clip be attached?
to the screw provided in the deck flange of the filling pipe
on the 26-foot motor whaleboats, where is the grounding wire attached while fueling?
it should be clipped to the 1/4-inch copper, gooseneck vent pipe fitted on the tank
what are the sequence of events you should follow when you have completed fueling a boat?
when the tank is full, remove the hose nozzle, close the flap, and screw on the cap, and then detach the ground wire clip. if any fuel is spilled, wash the area down and wipe it dry
where are complete hoisting slings issued?
except for certain boats, they are issued with each boat fitted for hoisting by slings, even though a boat habitually is slung at davits
how are hoisting slings marked?
at the time of manufacture with copper bands showing the type of boat for which they were made, and the issuing shipyard adds to the bands the number of the boat for which the slings are issued
boat slings, after manufacture, must be tested to what percent over their normal working load?
what issued, what action is taken after each sling is tested for 100% over normal working load?
a copper seal must be attached, stating the date, where, and by whom the sling was tested
what are side guys?
steadying lines for slings, and they are not intended to take any part of the weight of the boat in lifting
what is done in the event that surface inspection by ship or yard personnel reveals wearing of the serving and there is the possibility of exposing the wire-rope slings to moisture?
remove the serving, parceling and worming and carefully inspect the wire for signs of rust or deterioration and replace the slings if necessary
Who is responsible for making the boat ready and for getting the crew into the boat?
Who does the coxswain report to when the boat is ready in all respects and each member of the crew is wearing lifejackets and helmets?
The Boatswain's Mate in charge
How many steading lines are required if the sea is rough?
at least 4-2 at each end
if the position of the boat in its skids allows, when Should the sea painter be attached to the boat?
before hoisting; however, often you will find it necessary to swing the boat to the rail before you can secure the sea painter in the boat
When hoisting a boat, how is the sea painter adjusted?
So that when the boat is in the Water, the boat tows from the sea painter-not from the whip or falls
When launching a boat from a ship,when should the boat engine be started?
Before it becomes waterborne
What is the most dangerous time for the crew when hoisting out a boat?
The moment it becomes waterborne
When launching a boat from the side of the ship, what should be done as soon as the boat is waterborne?
Trip the slings from the hook
How is a boat hoisted when the weather is rough?
The boat is brought alongside to pick up the slings,then have the boat lie off while the crew rigs them. Lower the slings to the boat by crane with the safety runner ready for tripping
When hoisting a boat aboard by crane, when are the steadying lines passed to the boat crew?
They are passed after the sea painter is secured to the boat, and the coxswain slows the speed of the engine until the boat is towing from the sea painter
What is the hard and fast rule as to when to slip the ring of the slings into the hook and commence hoisting?
There is no hard and fast rule; however they should watch the rise and fall of the boat, time it with the roll of the ship, and considering the speed of the hook, estimate the best time to hook on
Where Should passengers and crew disembark from a boat being hoisted-in, in rough weather?
at the lowest weather deck. Before attempting this, have the boat snubbed against the ship's side with frapping and steadying lines..
What is the purpose of a boat davit?
it's a device that was designed specifically for handling a ship's boat(s)
What are the 7 design types of boat davits currently in use for handling boats aboard Naval ships?
1- Overhead suspended
4- pivoted Sheath Screw
What are the 5 major subsystems of the typical boat davit system?
1 -the electrical system
2-the winch system
3- the boat davit arms and sheaves system
4- the boat falls system
5- the stowage system
What is the primary function of the davit arm?
To swing out from the boat from the inboard position to a position to a point outboard of the ship's side from which the boat may be lowered
What device is used with all boat davits having a wire rope fall(s)?
a drum type winch
what type of winch is used with some boat davits when the falls are synthetic fiber rope?
a gypsy type winch
when a boat is being hoisted, how are hoisting operations controlled?
by the winch and boat falls from which a hoisting is suspended.
what are the 4 types of gravity davits?
4-pivoted link type
How are the gravity davits, which handle the larger boats (LCPLs), generally equipped?
with a strongback between the davit arms
What is located in the immediate vicinity of the davits to provide power to hoist the boats?
an electrically-powered two-drum winch
what type of mechanical boat davit handles the rescue rigid inflatable boat (RIB)?
the slewing arm boat davit, often called SLAD
how is the double-link gravity davit designed?
to launch or stow one or more boats
What is the winch on the double link gravity davit capable of hoisting?
the fully loaded boat at a speed of 40 Ft per minute
Where are overhead suspended boat davits used mainly?
On aircraft carriers and amphibious helicopter landing ships
How is the slewing boat davit powered?
electrically and is also a mechanical boat davit in case of power failure
Where are safe hoisting position stripes located on a boat davit?
usually red in color, 2 inches wide, they are painted on the davit Frame and davit arm at a minimum distance of 8 inches from the 2-bdocked position or the solidly compressed position of the buffer spring
What is indicated by the safe hoisting position stripes?
when the electric motor must be de-energized during hoisting to avoid a two-blocked condition
What is a two-blocked condition?
it is where the boat fall(s) are prevented from movement either by design or by obstruction
What could result from continued hoisting against a two-blocked condition?
over stressing or failure of davit components
why ane slewing position stripes used for a slewing davit? (SLAD)
as a visual aid to indicate when to de-energize the electric motor during slewing
Where are Slewing position stripes painted on a davit?
There are 3 stripes, usually red and 2 inches wide. One is painted on the arm and 2 stripes are painted on the pedestal
What is indicated by the 2 stripes painted on the pedestal of the davit?
One indicates when the arm is slewed to STOW position and the other indicates when the arm is slewed to the LOWERING position
What is the purpose of the emergency disconnect switch on the boat davit?
to prevent a two-blocked condition if another Control component fails to function properly
What is the double break found on boat davits?
the arrangement of two independent contractors in the supply leads to protect against the uncontrolled operation of the winch when electrical contracts are prone to sticking or welding when subject to momentary jogging
Where is a fluid break attached to the SLAD hoist drive motor?
to the output shaft of the electric clutch
What is the purpose of the falls tensioning device?
it keeps the hook above the heads of the boat crew before boat hookup and after release. It serves to keep slack out of the fall when hooking and unhooking.
What is the fluid brake that is attached to SLAD hoist drive motor?
to regulate the speed of a descending boat thus preventing any damage to the equipment or personnel
What is the purpose of an overriding mechanism that is included with safety handcranks?
it functions in such manner that, if-a winch motor is energized while the winch is being manually cranked, no force is exerted on the crank handle from the winch side, this prevents back drive.
In What chapter of the NSTM would you find none, information on handling small boats and davits?
A davit arm locking mechanism is designed for locking the arm in what 2 positions?
The 1st (LOCKED) prevents racking of the davit arms and strongback when the vessel is underway. The 2nd is a READY position
What is the class of ships that the single-arm davit used on today?
DD,CGN, and FFG class.
What procedure is eliminated by using the single-arm davit?
the process of threading 2 hooks through bow and stern hoisting rigs
What is a positive feature of the single-arm davit?
it allows a superior boat handling procedure and permits the extension of rescue boat handling to higher sea states than considered safe with conventional double-arm davits
How is the ram hoist operated on a typical trackway, single-arm davit arrangement?
by hydraulic fluid from a nitrogen-charged accumulator and is actuated with a control value located at the control console.
when the falls of the unmodified gravity are two-blocked, what is used to hold each movable block in position?
two pins are inserted through the strongback
how are 2 boats of the double-bank davits stowed?
they are secured in skids with one boat stowed above the other
how are the boats of the triple and quadruple-bank davits stowed?
one boat is carried at the rail outboard of the two or three other boats, which as nested
how are the slewing boat davits mounted on the ship?
it has a single arm mounted on a pedestal, which in turn is mounted to the ship
what does the weight of the pivot arm of the falls tensioning device prevent?
the fall from flopping around if the boat rolls or pitches
when hoisting in, ow do you recover the boat?
by slamming the hook against the boat bail. When the hook tripper bill is latched, you can rapidly raise the boat clear of the water
what is the standard release gear used by the Navy on boat davits?
the Raymond releasing hook
why is the outer end of the tripper weighted on the Raymond release hook?
so that when the boat is in the water ad the load is removed from the hook, the tripping device will automatically tumble, casting the boat shackle r sling hoisting ring out of the hook
where should the monkey lines tend while lowering a boat to prevent them from fouling on an object or structure in the boat?
have them hang over and inboard, between the ship and the boat
once the boat is waterborne, what is the procedure used in casting off a boat?
1-cast off aft
2-cast off forward
3-cast off the steadying lines
4-cast off the sea painter
what type of boat is used to paint the side of a ship and its waterline?
what are forward booms called?
why do ships that are at anchor, or are moored to a buoy, rig out their boat booms?
for the purpose of mooring their boats well clear of the side. this method of securing is known as "hauling out to the boom"
what are after booms called?
what is the attachment point of a boat boom?
a spar secured by a gooseneck to a pin on the side on the ship, which allows free motion fore and aft
what is the wire and tackle combination called that the outboard end of the boom hangs from?
the topping lift
what controls the fore and aft motion of the boat boom?
nylon and forward and after guys or wire pendants
where does a strong line called a guess-warp lead that is attached to a boat boom?
it leads from well forward on the ship, out through a block in the end of the boom, and ends in a metal thimble through which boats can reeve their bow lines
what part of the boat boom rigging is designed to permit the boat crews to come aboard ship?
one or more Jacob's ladders
what is required for personnel who abandon ship in water with temperature below 70 degrees?
they must be kept entirely out of the water if they are expected to survive
what is the standard shipboard allowance for inflatable life boats?
a quantity that will provided room for 100% of the ship's crew
where must the replacement of an inflatable lifeboat that is part of the ship's allowance for reasons of loss, survey, o deferral for repair be made?
be requisition procedures to the Ships Parts Control Center (SPCC), Mechanicsburg, PA., with a copy of the action requested sent to NAVSEA
what are the 2 different CO2 inflatable boats used on Navy ships today?
MK 5 Mod 2 (15 persons)
MK 6 (25 persons) encapsulated lifeboats
how are inflatable lifeboats stowed?
they come packed in rigid fiber glass containers and are complete with survival gear and rations inside. There containers are then stowed in cradles or racks designed to accommodate them aboard ship
How are inflatable lifeboats actually inflated?
by pulling on the sea painter (length, 100 feet) which extends through the opening at end of the container
what material is used in the construction of CO2 inflatable boats?
what constitutes CO2 inflatable boats?
essentially a lower tube 12 inches in diameter surrounded with an upper tube 10 inches in diameter
how is each tube of the inflatable lifeboat inflated?
by a compressed air charge contained in 2 250-cubic-inch cylinders at a pressure of 5000 psi
why are manually inflatable and removable floors of the lifeboats equipped with handlines?
so that they may be used as emergency flotation equipment
how are inflatable floors and cross tubes inflated on the lifeboats?
by means of the hand pumps stowed in the pockets attached to the canopy support tubes
what is the total length, width, and height of a MK 5 inflatable life raft, after inflation?
how does the canopy provide insulation against extremes of heat or cold?
it is double layered and has openings at each end that may be closed as desired. There is an air space between the 2 layers about 3.5 inches that helps provide insulation
what is the method used to obtain fresh water for survivors?
a raincatcher tube installed in the top of the canopy, near the center of the lifeboat
why are lifelines provided around the inner and outer circumference of the lifeboat?
the outside line is intended to be an aid to boarding, and the inside line is intended for use by survivors during heavy weather
why is a rigging line, knotted at 12-inch intervals, attached to the bottom of the raft?
it is used to rig the lifeboat should it inflate upside down or be capsized from wave and wind action
at what depth is the automatic launching feature on inflatable lifeboats designed to activate?
10 to 40 feet
what is the sea painter attached to on boats stowed in rigid containers?
to the cylinder valve actuating cables and the lifeboat stowage
the compressed air cylinder, under high pressure, will ensure rapid (20 to 30 second) inflation at what low temperatures?
as low as -20 degrees F
what degree of lip is designed on the standard Navy lifeboat stowage cradle to prevent the lifeboat from falling out?
a 15-degree lip
what is used to pull a stainless steel strap to lift each lifeboat out of it cradle when stored in overhead racks?
a ratchet assembly
when inflatable lifeboats are stowed in overhead racks, were is the ratchet assembly installed?
outboard and will launch the boats one at a time
how is the lifeboat held securely in its stowage?
by 3 assemblies in one. A hydrostatic release mechanism, a plastic-coated wire rope harness, and a 1/4 inch diameter double braided nylon cord
why is the 1/4 inch nylon cord that is helping secure the lifeboat, provided?
as an emergency means of launching the lifeboat in case hydrostatic release device is frozen or inoperative
where is the 1/4 inch nylon cord that is securing a lifeboat attached?
it is attached to the shackle on the hydrostatic release device by means of a bowline. The bitter end is passed through the thimble of the wire rope harness, then back through the shackle five turns, and secured with a clove hitch and 2 half hitched
what is the length of the painter line for automatic launching of encapsulated lifeboats?
100 feet long and faked inside the container to actuate the air inflation bottles
who may perform repairs on the MK 5 Mod 2 and MK 6 lifeboats?
only certified repair facilities
what is a repair facility?
any NAVSEA approved activity designated to accomplish minor and major repairs, inspection, maintenance, and survey of inflatable boats
how is the hydrostatic release device installed?
with the main body or diaphragm bell housing fastened to the ship's structure and fasten the smaller release clip to the securing bridle
after installation of the hydrostatic release device, in which direction must the actuating mechanism face?
outboard to alleviate the possibility of accidental release
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