47' MLB Operator's Handbook Flashcards
Length overall
48’ 11” (w/ rubrails)
Hull length
47’ 11”
Hull beam
14’ 0” (w/o rubrails)
Beam overall
15’ 0” (w/ rubrails)
Freeboard
Bow 6’ 8”
Amidships 2’ 2” (deck recess)
Aft 7’ 1”
Draft
4’ 6”
Fixed height
18’ 6” (radar antenna)
Unfixed height
28’ 4” (HF antenna))
Engines
Twin Detroit Diesel Electronically Controlled (DDEC) 6V92TA
Rated HP
435 BHP at 2100 RPM
Reduction gear
Reintjes WVS 234 UP, 2:1 reduction
Fuel type
Diesel
Fuel capacity 100%
394 gal
Fuel capacity 95%
373 gal
Electrical generation
Dual alternators
Propellers
Fixed 4 bladed, 28” diameter, 36” pitch
Hoisting condition
40000 lbs
P/W capacity
5 gal
Compartments
Lazarette: Transom to 1 Engine room: 1 to 5 Survivors: 5 to 8 Aux: 8 to 10 Forward: 10 to 15 Forepeak: 15 to bow Enclosed bridge: 8 to 10 above main deck
Hull construction
5456 marine grade aluminum Side shell: 1/4" Bottom: 5/16" Chine plates: 3/8" Keel: 1/2"
Longitudinal frame spacing
11”
Transversal frame spacing
30”
Maximum personnel (including crew)
34 (180 lbs each)
Maximum seas
30’
Maximum breaking seas
20’
Maximum winds
50 kts
Range (cruising)
50 NM
Maximum RPM
2100 RPM
Maximum speed
25 kts
Cruising RPM
1850 RPM
Cruising speed
20 kts
Towing capacity (3 1/4” towline)
150 displacement tons
Towing capacity (2” towline)
50 displacement tons
Ice breaking capability
Light surface ice
Rotation of engine
Right hand
Coolant capacity
12 gallons
Lube oil capacity
5.5 gallons
Lube oil type
40 weight 2104D
Reduction gear ratio
2:1
Reduction gear oil capacity
7.1 gallons
Reduction gear oil type
30 weight MILSPEC 2104D or E
Reduction gear oil temperature
140 - 176 F
Reduction gear cooler raw water source
Engine raw water system
Reduction gear disengage pressure
58 - 66 psi
Superstructure extends from __ to ___
Frame 3
Frame 12
Mast platform is attached to the superstructure at ___ and ___
Frame 3
Frame 5
Deepest draft location
Propeller shaft strut extensions
Propulsion system configuration
U-drive
Each propeller shaft penetrates the hull between ___
Frames 3 and 4
Size of propellers
28” x 36” Four-bladed
Frame spacing
30”
How many primary watertight compartments?
7
Secondary watertight compartments
Forward deck lockers
Mast platform
Open bridge consoles
Buoyancy chamber
Forepeak access
20” QAWTH at Bulkhead 15
Forepeak ventilation
Natural ventilation with a 2” check vent
Contents of port stowage box
5 gallons 40 weight 2104 oil
1 gallon Tellus T-15 Hydraulic fluid
DC kit
Three sets of hearing protection
Contents of starboard stowage box
4 wool blankets Two pillows Pyro kit Bell with clapper Mouth operated reed horn Handheld spotlight 10 blood-borne pathogen kits (3XXL, 3XL, 2L, 2M)
Electric bilge pump capacity
33 gpm
Location of shore power main circuit breaker
Port shell plating at frame 9
Auxiliary Space bilge pump location
Frame 8 to starboard of keel
Forward bilge pump location
Frame 10 to starboard of keel
Forward bilge pump discharge
Starboard
Auxiliary space bilge pump discharge
Port between frames 8 and 9
What are on the top of the DC power panels?
Amperage and voltage meters
Where is the power converter for the 12-volt panel?
Mounted on the inboard side of the 24-volt power panel with the breaker below the meters
Auxiliary space ventilation
Forced ventilation
Auxiliary space vent fan and ducting are where?
Bulkhead 10 to starboard of the watertight door
Auxiliary space ventilation air intake ducting is where?
On bulkhead 8 to port of the watertight door
Auxiliary space ventilation exhaust fan switch is located where?
Bulkhead 10, above the 24-volt panel
Location of 12-volt power panel
Bulkhead 10, outboard of 24-volt panel
Location of 24-volt power panel
Bulkhead 10, to port of QAWTD
How much CO2 is in the fixed system?
Two 25-lb bottles
Location of fixed CO2 system CO2
Bulkhead 10, starboard of QAWTD
Location of DDEC Engine Room Interface Module and Electronic Gear Interface
Starboard shell plating between frames 8 and 9
Voltage of power receptacles
120-volt AC
Isolation transformer for the shore power system location
Bulkhead 8 to port of QAWTD
120-volt power panel location
Bulkhead 8 to port of the isolation transformer
What are the two battery systems?
Start and Service
Location of battery banks
Auxiliary space, directly over the keel
What are the batteries?
12-volt 8D cell marine batteries connected in series
How are the batteries connected?
In series
What does paralleling do?
Increases the amperage
What does connecting in series do?
Increases the voltage
Battery control and parallel switches are located where?
In the survivor’s compartment on Bulkhead 8, port of QAWTD
R/W valve, strainer, and pumps for the HVAC are located where?
At frame 9 to starboard of the battery box
EWRS and Horn Compressor system are located where?
On a pedastal on the outboard starboard side of the battery box
How many seats are in the survivor’s compartment?
5, 3 port, 2 starboard
How big is the water jug?
5 gallons
Where does the sink discharge?
Port side
Where is the stokes litter stored?
Port side above the windows
Where is the rescue swimmer pack stored?
Attached to the stokes litter
Where is the FAT kit stored?
Bulkhead 5 directly over the QAWTD to the engine room
How many sets of hearing protection are kept in the survivor’s compartment?
2
How big is the CO2 extinguisher?
5-lb
How big is the PKP extinguisher?
10-lb
Where is the loudhailer/intercom speaker in the survivor’s compartment?
Port side of bulkhead 8
Where is the CO2 mechanical actuator located in the survivor’s compartment?
Starboard of the engine room door on bulkhead 5
Where is the 30-second discharge delay control head?
Starboard side bulkhead aft of the seats
Where is the CO2 system light panel?
Above the QAWTD leading to the engine room
Where are the fuel e-stops?
Between the ladder leading to the aft deck and the engine room door
The vent ducting on bulkhead 8 passes through the survivor’s compartment for the HVAC in the enclosed bridge supplies makeup air for ____
Under the open bridge consoles
Where is the survivor’s compartment battle lantern mounted?
On the starboard bulkhead above the aft window
Where is the grounding wand located?
On the starboard bulkhead above the forward window
The fuel tank is located ___
Below the removable deck, centered on the keep between bulkheads 5 and 8
Capacity of fuel tank
394 gallons
What control the free surface effect in the fuel tank?
Baffles installed in the tank at frames 6 and 7
How many inspection covers are on the fuel tank?
3
Where is the R/G mounted?
Between frames 6 and 7
The R/G is coupled to the engine by a ___
Cardan shaft
The cardan shaft passes through ___
A water restricting seal on each side of the bulkhead
The propeller shaft is how big?
2.5”
The cardan shaft is connected to the ___ which connects to the reduction gear output flange
Stub shaft (spacer)
The shaft enters the stern tube at ___ and exits the hull ___
At bulkhead 5
Between frames 4 and 3
Watertight integrity is maintained between the shaft and the stern tube by a ___
PSS drip-less shaft seal
Where is the spare parts kit stowed?
The center gear space
How many GPM are the bilge pumps?
33
Where are the R/G space bilge pumps mounted?
At bulkhead 5 next to the fuel tank
Where do the R/G bilge pumps discharge?
Through bulkhead 5 outboard of the cardan shafts, and connects to the engine room bilge discharge piping
Where is the depth sounder?
Port of the fuel tank between frames 7 and 8
Where is the speed log transducer?
Starboard of the fuel tank between frames 7 and 8
Which direction are the engines facing?
Aft
What type are the alternators?
28-volt 220 amp Balmar alternator
Where is the R/W valve for the engines?
Opposite side of the keel from which it serves, between frames 4 and 5
The primary fuel filters are ___
30 micron
The primary fuel filters are located ___
Between frames 3 and 4 on the inboard girders
The secondary fuel filters are ___
Less than 10 micron
The secondary fuel filters are located ___
Inboard of both engines
Where are the fuel e-stops?
Between frames 4 and 5 on either side of the keel
MIM
Marine Interface Module
ECM
Engine Control Module
Where is the MIM and ECM
Mounted on the engine
The gear driven hydraulic steering pump delivers ___
6.5 GPM
A separate electrically driven hydraulic pump is mounted ___
Just above the chine and bulkhead 2
The separate electrically driven hydraulic pump supports the ___
Autopilot system
Hydraulic filter capacity
10 micron
The hydraulic fluid reservoir, filter, and cooler assembly are located ___
Starboard side shell plating between frames 2 and 3
___ is provided to cool the hydraulic fluid
R/W from the starboard engine
E/R bilge pumps are located ___
At bulkhead 5 and the other between frames 1 and 2
The engineer’s tool box is located ___
In a bracket on the starboard side aft deck, directly under the muffler
A standpipe for E/R dewatering is located ___
Inboard of the starboard girder, forward of bulkhead 1
The exhaust mufflers are cooled by ___
R/W
The mufflers are cross-connected to ___
Provide exhaust discharge when one port is underwater
What type of valve is used to cross-connect the mufflers?
Butterfly
The mufflers are located ___
On bulkhead 1 outboard of the girders
Exhaust discharges through the ___
Shell plating between frames 1 and 2 just above the waterline
The rudder posts are located ___ of the girders
Outboard
A ___ is placed in the top of each rudder post to provide a watertight seal against the rudder stock
Packing gland
A ___ connects the port and starboard tiller arms
Tie rod attachment
The manual steering rudder angle indicator is located ___
Outboard of the port rudder post
The electrical rudder angle indicator sending unit for the autopilot system is located ___
Inboard of the port rudder post
The autopilot course computer is located in ___
The enclosed bridge
The rudder angle indicators sense rudder position with ___
Tie rod attachment to the port rudder
The servo power cylinder of the hydraulic steering unit is mounted ___
Between the starboard tiller and the centerline
The ___ connects the power cylinder to the starboard tiller ___ of the tie rod attachment
Servo ram
Forward
The lazarette’s ventilation is ___
Naturally ventilated using a 2” check vent
The R/W standpipe for firefighting penetrates the hull at ___
A mid point between the shell plating and the starboard girder, just aft of bulkhead 1
The engine room dewatering pipe penetrates bulkhead 1 to ____
Starboard of the QAWTD
How many steps does the ladder from the open to enclosed bridge have?
4
How many steps does the ladder from the survivor’s compartment to the enclosed bridge have?
3
The emergency engine back up panel and controls are mounted ___
Directly over the throttles in the enclosed bridge
The enclosed bridge emergency air shut down pull cables are located ___
To port and starboard of the throttle control console
The enclosed bridge search light control is located ___
Aft of the engine throttles
The enclosed bridge CO2 activation handle is located ___
Aft and below the engine controls
The enclosed bridge has ___ windows
12
The four forward facing windows are ___
Heated glass
Two opening windows are located ___
Abeam of the helm chairs
The opening windows lock open using ___
A setscrew and slide mechanism
The opening windows secure using ___
A screw type dog
Two spring loaded hinged windows are aft of the ___
Stationary windows
EWRS
Emergency Window Release System
The function of the EWRS is ___ to allow ___
To automatically release the windows in a rollover situation
The free transfer of water
The EWRS can be manually activated using ___
The CO2 pull handle mounted on the overhead directly above the throttle control station
The side and aft windows in the enclosed bridge are fitted with ___ to help control ___
12-volt blowers
Condensation
The chart table is located __
On the port side, adjacent to the forward console
The chart table stows ___
Vertically adjacent to the bulkhead
The chart table extends ___
Out over the port helm chair
A chart bag with navigation equipment may be hung ___
On the port bulkhead next to the chart table
The CO2 system actuator cylinder is filled with ___
Nitrogen
The enclosed bridge HVAC unit is located ___
On the overhead above the starboard bolster seat
The HVAC controls in the enclosed bridge are located ___
On the starboard bulkhead
The bilge pump alarm panel and controls are mounted ___
To starboard of the aft facing window on bulkhead 8
The bilge pumps may be in what modes of operation?
Off/Auto/On
The normal mode for the bilge pumps is ___
Automatic
The bilge alarms circuit is connected to the ___
Boat horn
A selector switch on the bilge alarm panel puts it in which two modes?
Moored
Underway
The navigation light controls are located ___
To port of the QAWTD on bulkhhead 8
What navigation light modes are available?
Anchor light, running lights, towing astern (200M or less), and inland alongside towing
The HF radio is mounted in the enclosed bridge ___
On the starboard bulkhead at frame 9
Binoculars are stowed where in the enclosed bridge?
In a rack on the starboard bulkhead forward of the HF radio
The enclosed bridge 5-lb CO2 extinguisher is stowed ___
On the port side of bulkhead 8 next to the navigation light panel
The enclosed bridge 10-lb PKP is stowed ___
On the starboard side superstructure just in front of bulkhead 8
The enclosed bridge battle lantern is mounted ___
On the starboard outboard side of the overhead just forward of the aft window
A ___ is attached to the handrail from the open bridge to the aft deck
Safety line
The port steering station has ___ for helm control
An electric follow-up jog lever
The rudder angle indicator displays in ___ increments
One degree
A ___ is on the underside of the open bridge console to allow drainage and prevent water intrusion in the event of a rollover
1” check ball
The starboard steering station has a ___ for helm control
Steering wheel
Deck light switches and horn button are located ___
Inboard of the helm unit
The searchlight control panel on the open bridge is located ___
Above the helm unit
A ___ extends across the superstructure in front of the consoles
Clear lexan windscreen
In the open bridge the magnetic compass is located ___
Between the windscreen and the starboard steering station
The helm chairs can be rotated ___, and locked into position every ___
360 degrees
90 degrees
The jump seats can ___
Be locked into a vertical position to provide more deck space
In the open bridge, the binoculars are stowed ___
In a rack under the starboard steering station console
The mast platform is ___
A buoyancy chamber that aids in re-righting the boat
