45 Coxswain Flashcards
What is the depth offset?
-0.5 Ft.
What is the depth alarm?
2’,8”
What is the safety depth?
6 feet
What is the depth below the keel?
2’,8”
What is the beam?
14’,8”
What is the vessels length?
44’,9”
What is the fixed height of the vessel?
13’,1”
What is the unfixed height of the vessel?
20’,9”
What are the max seas?
10 feet
What are the max winds?
30 knots
What is the max distance offshore?
50 nautical miles
What is the max towing?
100 displacement tons
What is the max cruising RPMs?
1950, 30 kts.
What is the navigational draft?
6 feet
What is the max RPMs?
2350, 40+ kts.
What three alarm types are on the 45
Central
propulsion
engine (vector)
What are your central alarms?
Bilge,smoke, heat, CO2, hydraulic level, jacket water level, exhaust temperature
What are your propulsion alarms?
Bucket, nozzle and interceptor
What are your engine alarms?
Engine display module (EDM) temperatures and pressures
Explain the DC panel
Vital is 24 V
Engine is 24 V
Nonvital is 24 V
Main is 12 V
Explain the “come home feature”
Cilanoid on red gear that locks gear in engaged position.
Engine coolant temperature
140 to 185°F
120°F for SAR
Engine oil psi
Greater than 10 psi disengaged
Greater than 41 psi engaged
What is your engine oil disabling temperature?
Above 211°F
What is your red gear transmission oil temperature?
130-185°F
What is your red gear transmission oil pressure?
15 to 65 psi disengaged
186 to 250 psi engaged
What is the disabling temperature for your red gear transmission oil
Above 193°F
What is the disabling pressure for your red gear transmission oil?
Above 250 psi
Engine RPMs
650 to 2350 RPM
What is your safety contour alarm?
18 feet
Maxximum underway hours
10 hours with waves less than 4 feet
8 hours with waves greater than 4 feet
6 hours for heavy weather
Where is your sea suction valve?
Between the transom and frame 1,on both sides of the keel in the lazarette
What is the shore tie connection rated for?
100 Amps at 120 VAC
What size is the fold grapnel hook?
7 pounds
How much potable water do we have on board?
5 gallons
What is the icebreaking capacity?
Light surface, ice and slush at idle speeds.
What type of Searchlight is used?
Jabsco Searchlight
8 inch Searchlight
500,000 candle power
370° turning radius
45° vertical radius
What is the electrical generation?
Dual engine mounted 10.5 kW generators.
What fuel type does it take?
Diesel
What style hatch covers provide access to fuel compartments
Tiona style hatch covers.
What type of engine oil is used on the 45
API service category CI-4
15 W 40 oil
What are the acceptable fuel types for the 45?
Diesel 1D and 2D
Where is the through hull depth sounder located?
Located in the lazaret, aft, and port of the centerline.
What must you do prior to securing the 3000 W heater?
Make sure you allow the fan to run for three minutes before securing the heater.
How many of the boat hooks have a skiffhook attachment?
One out of the two boat hooks have the skiff hook attachment. 
Where does the LED deck lights provide illumination?
Port and starboard aft steps
Aft, port, and starboard pilot House
Port and starboard lazaret
Port and starboard sides of the transom
What equipment is mounted on the mast?
ADF antenna
GPS and D GPS antenna
GPS antenna for AIS
Anchor, mast, and towing lights
Remote control Searchlight
Remote control infrared camera
How many and how large are the dewatering ports in the rescue recess?
There are three 3 x 5 dewatering ports in each recess.
How do you access the secondary recovery position on the stern from the back deck?
An opening in the handrail with steps on the starboard side.
Prior to accessing the stern platform what shall the crewman do?
Notify the coxswain
What side is the fueling station?
Starboard side of the pilot house
What does the rollover switch do?
When the boat experiences a 90° or greater knock down or roll over, the switch immediately reduces engine rpm to idle, to reduce the amount of water to enter the engine compartment. Takes 8-12 seconds.
Where is the rollover switch located?
The auxiliary machinery, space aft bulkhead, port of centerline above the fuel tank
Where is the fuel tank located?
Centerline between frames 3.5 and 10.
What emergency systems exist on the RBM?
Emergency engine shut down
Emergency compartment fire suppression system
Portable fire extinguishers
P6 fire, fighting and dewatering pump
Bilge pump system
Engine compartment, dewatering suction
What kind of radar does the RBM use?
3 1/2 foot open array antenna with a maximum range of 48 nautical miles Furuno radar.
Can the gears be manually operated and if so, how?
Gears fitted with manually operated solenoids, which can be engaged in both normal, or backflush modes.
At what psi with the air compressor start and stop
Energizes when psi drops below 100
Shuts off when the air pressure reaches 125 psi.
What is the air compressor rated at?
.62 CFM at 100 psi
What is the reduction gear?
Twin Disc, MG-5114-SC
1.02 to 1 reduction.
Tell me about the water jets
Kamewa Rolls-Royce FF model number 375S
Engine compartment, fire, initial actions
Come to idle and disengage
Notify crew
Verify position and notify command
Secure the engines
Pull fuel stops
Activate FM, 200
How many pilot house window defroster’s are in the pilot house?
Six heater craft defrost heaters each with two adjustable heads for directing airflow
What are the required contents of the toolbox?
Standard and metric wrench, set mirror and magnet hammer, wire cutters, needle nose, pliers, adjustable, pliers, hacksaw, standard, and metric Allen wrench, set sockets, ratchets, and extensions Phillips and flat head screwdriver’s
What can you find in the pilot house?
2 binoculars
2 earmuffs hearing pro
02 flashlights
02 engine hatch dog and wrenches
02 window covers
Toolbox
Navigation kit
What are the required contents of the spare parts kit?
Two fuel filters and two secondary filters
02 lid gaskets
One 250 fuse
Raw water pump cover gasket
Raw water impeller
Zinc electrode
Divided case
LED compass
Three amp fuse cartridge.
Five amp fuse cartridge
What can you find in the head in the survivors compartment?
An inch and a quarter galvanized shackle
Nylite shackle, size 4, orange
Toilet paper
Five type one PFD’s adult
2 type one child PFD’s
Grounding wand
4 boat crew Safetybelts (Heavy WX Belts)
What’s located under the sink in the survivors compartment?
Paper towels
5 gallon potable water container
Portable Searchlight
Two packs of Clorox wipes
What’s located under the deck plates in the survivors compartment?
DC kit
Onboard spare parts
What is located in the starboard forward locker in the survivors cabin
One box of foamy hearing pro
Two blankets (wool)
To emergency blankets
One type 3PFD
2 pillows
Portable signal horn
Spare propellant for the horn
Swimmer harness with 70 inches of line
First aid kit 10 person
Retrieval strap
Gun mount tethers
P6 fire fighting hose
P6 fire fighting nozzle
P6 quick connection coupling
What is located in the starboard forward part of the survivors cabin
 Stokes litter
Medevac board
What’s in the DC kit?
Mallet, DC cloth gasket material marlin line Oakum hacksaw with blades, hose clamps, wedges plugs
What kind of engines do we have?
Twin Detroit diesel series 60 diesel engines
Where is the survivors compartment sink overboard discharge
Portside between frames 11 and 12
How long is the P6 connection hose?
6 feet
How many seconds do you have to match the tiller position when swapping control stations before the operation is canceled
10 seconds
Main engine, high water temperature initial actions
Reduce rpm to idle
Identify the effected engine
Notify the crew to check for overboard discharge
Disengage and secure affected engine
Verify position and notify command
What does the pressure switch do when it is activated?
Both diesel engines shut down
Both engine compartment, exhaust fans shut down
HVAC condensate pump overboard discharge
Starboard side at frame 13
Collision with a submerged object, initial actions
Come to idle and disengage
Notify the crew
Attempt to identify the object
Verify position and water depth
Notify command
Fire in the Aux space
Initial actions
Reduce RPM to idle and disengage
Notify crew at account for personnel
Verify position
Notify command
Open pilot House, Windows
What is the hull construction?
5083H116 aluminum alloy plating with 5086,H112 extrusions
Frame spacing
Transom to frame two is 24 inch intervals
Frame 2 forward is 28 inch intervals
How many batteries are on the RBM
Two battery banks with 2 12VDC batteries for a total of four batteries.
Where is the air horn mounted?
Forward port corner of the pilot house top
At what depth will the waterjets begin to draw sand, mud, and other debris from the bottom?
5 feet
What should the coxswain do to protect the hydraulic cylinder rod for the RBM bucket when securing the boat from operations
Place gear and disengage and move joystick to ahead position
What is the fuel capacity?
100% fuel is 510 gallons
95% fuel is 485 gallons
Fouled water jet initial actions
Reduce to idle and disengage
Notify crew
Hard, grounding, initial action
Come to idle and disengage
Notify crew and assess condition
Verify, position and depth
Notify command
High wet exhaust temperature alarm initial actions
Come to idle in disengage
Secure, affected engine
Notify the crew
Flooding, initial action
Notify crew
Verify position and notify command
What is the towing capacity?
100 displacement tons
Where are the deck light control switches located?
engineers console
What’s the freeboard?
4’9” at the bow
1’11” amidships at the deck recess
2’11” aft
In the lazaret, which pipe is firefighting, and which pipe is dewatering
The top pipe is engine room dewatering
The bottom pipe is firefighting
When using the FM 200 what must be done prior to entering the engine compartment and why?
The engine compartment is considered inherently dangerous to life and health, and must be certified safe by a marine chemist prior to reentry.
How much washer fluid does the windshield wiper fluid tank hold?
2.6 gallons.
Where are the bilge pump controls located in the pilot House?
The engineers console
What does the vector control system do?
It integrates control of waterjet, steering reversing functions and engine speed in such a way to provide boat movement through joystick movement.
How much hydraulic fluid is held in the hydraulic fluid tank
9 gallons
AW32
What does the air compressor do?
It serves the RBM airhorn and pressurizes the pilot house window seals.
What is the marine gear reduction ratio?
1.02:1
Forward and reverse
Describe the Detroit diesel engines…
Six cylinder four stroke, high-speed diesels
Rated at 825 hp at 2300 RPM
How is manual fuel priming accomplished?
By manually pumping the priming pump handle on the secondary fuel filter.
What are the drive shafts made of?
Carbon shafts
From Full ahead to full astern, how many boat lengths will the RBM move before stopping?
Approximately one and a half boat lengths
68 feet
When connecting the portable back up control console, what must you ensure prior to connecting it?
Controls are set to lowest setting
Set to auto
Located in the aux machinery space next to the AIS
What does the clutch panel control do?
It engages and disengage is the clutch. It also controls the back flush mode.
How is cooling provided to the hydraulic system?
Hydraulic fluid is cooled by keel coolers located on top of the water, jet inlet ducts
How is hydraulic pressure supplied to the hydraulic system?
To hydraulic pumps located on each MDE
Marine gear failure, initial actions
Ensure engine rpm is at 650 and joystick is in zero thrust position
Notify crew
Verify position and notify command
Disengage, marine gear
How do you override the interlock?
If you must override the interlock when the LED is not flashing do the following
Simultaneously hold down both bright and dim switch sides
While holding these switches, press engage switch side for the respective clutch
When LED engaged is illuminated, let go of bright and dim switch.
What are some of the things you can find on the deck?
Anchor 21 pounds Danforth fortress FX37
8 foot telescoping boat hook 02
02 30 inch ring buoys with marker, light and throw bag
02 throw bags
One knife
02 heaving lines
600 feet towline double braided nylon, 2 feet three-quarter inches
P6
How long and what size is the anchor chain?
9 feet of 3/8 inch chain
Describe the anchor line
Double braided nylon, two and three-quarter inch circumference
300 feet
What do the LED lights indicate when?
Not illuminated
Flashing
Illuminated steady
Station not in control
Control transfer pending joystick and tiller position match
Station in control
What is the max personnel including crew?
24 at roughly 210 pounds each
Displacement
Hoisting condition
Full fluids, fuel, water, and oil
+600 pound service life margin
No crew or cargo ———- 36,700lbs
Hoisting condition
Plus for crewmembers at 210 pounds each ————— 37,540lbs
Can the bilge pumps be cross connected to aid in dewatering?
No
Where are the bilge pumps located?
Forepeak
Survivors compartment
Auxiliary machinery, space port, and starboard
Engine compartment
Lazaret
What size is the FM 200 cylinder
30 pounds
Carbon monoxide alarm initial action
Maneuver to safe water
Secure engines
Notify crew
Notify station
When operating the backflush, what engine rpm must you avoid exceeding?
1200 RPM
If you’re in 11 feet of water or less you can’t back flush
Only backflush organic material
Make sure your bucket is forward
Where is the vector control unit located?
The Auxiliary machinery space mounted on the aft bulkhead under the vector 24VDC, distribution panel
What percentage must the steering helms be close to in order for a control station transfer to properly occur?
10%
Where are the emergency engine stops located?
Engine compartment over mufflers
The engineers console
Engine emergency, fuel shut off handles, inboard, Coxswains seat
Engine stops, which is located at the coxswains upper console
What type and how much gear oil is used in the red gear?
15 W 40 lube oil
2.8 gallons each.
What is the bilge pumps dewatering rating?
2000 gallons per hour
What are the three interlocks integrated for safety on the clutch control panel and what do they do?
Neutral start interlock- keeps the engine from starting if gear is engaged
Engine at idle interlock - prevents engagement of clutch if engine is not at idle speed
Reverse bucket interlock - prevents engagement of clutch if reversing bucket is not in the zero thrust position
What are the two types of electric heaters found in the pilot house and the survivors compartment
1500 W electric standalone
3000 W duct heater
One of each type of heater in both compartments, and they operate independently of each other
What does the 3000 W duct heater do to prevent overheating during airflow loss?
A two stage thermal protection system
140°F. There is an auto reset.
180°F there is a manual reset
Where are the bilge pump’s overboard discharges?
Forepeak: starboard side, just forward a frame 14
Survivors compartment : portside a frame 11
Auxiliary machinery compartment : port and starboard at frame seven
Engine compartment : starboard side between frames three and four
Lazaret : between frames, one and two
How many water tight bulkheads are on the 45 RBM and what are the frame locations?
For watertight bulkheads located at frames 2,7,10 and 14.
Where is the boats deepest draft?
Between the transom and frame 2
3’4”
At what temperature does the heat detectors in the RBM go off?
190°F
What type of compartment damage stability criteria was the RBM designed for?
One compartment, damage, stability, criteria
Where in the engine compartment is the hydraulic fluid tank located?
Mounted on the port side bulkhead
What is the total oil capacity of each engine with oil filters installed?
43 quarts
How many watertight compartments are there?
There are six
Forepeak
Survivors compartment
Auxiliary machinery space
Engine compartment
Lazaret
Pilot House
Electrical, steering casualty, initial action
Notify crew
Attempt to switch control station
Reduced to idle and disengage
Verify position notify command
Where do the fixed floodlights provide light?
One centered forward
One centered aft
One port side, aft
One starboard, side, aft
What are my crewman’s responsibilities?
Helmsman
Anchor, watch
Look out
Tow watch
Line handler
Surface swimmer
First aid
Damage control
Can the bilge pumps be set to auto?
No manual operation is the only way to energize, and De-energize the bilge pumps
What can you find in the Forepeak?
-Anchor reel with handle
-Anchor line
-Drogue, small with bag, floating 200 feet one and 1/ half inch circumference double braided nylon
-skiff hook
-02 mooring lines 60 feet
-06 Mooring lines
-04 fenders
-01 heaving line
Loss of control of engine, rpm, initial action
Attempt to reduce rpm and disengage
Confirm the control station is active
Notify crew
Verify position and notify command
Loss of fuel, oil, pressure, initial action
Reduce rpm to idle
Identify the affected engine
Verify position and notify the crew and the command
What degree and direction is the element inside the depth transducer pointed
Forward and fixed 20°
Loss of lube, oil pressure, initial actions
Come to idle and disengage
Identify the effect of engine
Secure effected engine
Notify crew
Verify position and notify command
Low-voltage alarm initial action
Come to idle and disengage
Notify crew
Verify position
Notify command
How much water does the freshwater tank on the toilet hold?
3.96 gallons
What are the components of the fixed fire extinguishing system FM 200
-Nitrogen pilot cylinder
-Pressure switch
-Damper control valve (3)
-Nitrogen time delay cylinder
-FM 200 agent cylinder with level pressure operated head
-Discharge nozzle
What size and length of towline does the 45 RBM have
600 feet of two and three-quarter inch circumference tow line
Where is the shore power connection located?
Port side, rescue recess
How much total waste can the portable waste cassette hold?
5.28 gallons
If the RD 30 loses transducer signal, how long will it display last known depth?
90 seconds
What does one compartment damage stability criteria mean?
Any single compartment in the hull can be flooded and the RBM will have sufficient damage stability
How many, and where are the fire extinguishers on the RBM?
4 total
2 in the survivors compartment (one toward port side and 1 starboard side when you walk down)
2 in the pilot house (1 behind engineers seat on the deck and 1 mounted behind crew port seat)
Where are all the through-hull fittings located on the RBM?
Bilge pumps
HVAC Pump
Raw Water Pump
Fuel tank
Stan Pipe (firefighting/dewatering)
Buckets
Interceptor
Antennas
Where are your water intake locations
Underneath the hull there are 2 water intake grates where the water will enter.
Where is the sea chest?
MDE R/W valves in the Laz
When flooded in the Laz compartment, where would the line be?
In the Laz, the water line will go up to the top of the black boot on the water jet inspection port.
