Uscg coxswain study guide – Flashcards
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5 stages of sar
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Awareness Initial action Planning Operations Conclusion
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3 phases of sar
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Uncertanty-doubt Alert-aprehesion Distress-danger
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Responsibilities
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Safty of passangers and crew Safe operation/navigation of boat assigned Completion of sortie or mission Report hazards to life or property Report violations of laws and regulations Report aton discrepencies
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Elements of team coordination
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Leadership Mission analysis Adaptibility Situational awareness Decision making Communication Assertiveness
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Operational risk management 7 steps
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Identify mission tasks Identify hazards (PEACE) Asses risks Identify options (STAAR) Evaluate rish vs gain Execute decisions Monitor situations
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Coxswain authority comes from
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M5000.3B 5-1-8
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Surf
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Breaking seas exceeding 8feet
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3 types of breaking waves
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Spilling, surging, plunging
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6 min rule
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Speed (kts) * 10= distance in NM traveled in 6mins
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3 min rule
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Speed (kts) *100=distance in yards traveled in 3 mins
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Time speed distance
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60(distance)/(speed)=time VS search Speed=60D/9minutes(time)
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Reduction gear/transmission
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Twin disc MG-5114 SC 1.02:1 reduction Engine rotates 1 per red gear 1.02 rotation
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Two types of stability
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Longitudinal (fore and aft) Transverse (pitch poling)
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Two forces that affect stability
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Static (within hull) Dynamic (outside hull)
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Variation
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Difference between true and magnetic north
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Deviation
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Error in course boat is trying to steer
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Set and drift
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Set=direction Drift=speed
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3 modes of AIS
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Standard Restricted Receive only
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Factors for safe speed
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Visibility Traffic density Maneuverability Background light Weather Draft
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Single square unit
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High degree of confidence search object is close to datum First leg direction of drift 90 degrees to the right 2nd unit start 45 degrees to the right
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Staar (mitigate risk)
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Spread out Transfer Avoid Accept Reduce
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Peace (risk vs gain)
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Planning Event complexity Asset selection Communication Environment
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Thru hull fittings on sea chest
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2 raw water P6 stand pipe Hvac/a/c 2 deicing
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Waas/dgps
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Wide area augmentation system/ differential global positioning receiver
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Engines
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Detroit diesel series 60 825hp at 2300rpm Inline 6 cylinder 4 stroke Oil-43qts 15w40
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Firefighting
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Beginning stages Protect waterfront Save a life Fire officer
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Heavy weather
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Seas 8+ Winds 30+
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Mayday
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Imminent danger to life
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UMIB
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Distress or potential distress
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Creeping line
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Search object is more likely to be at one end of the search area then the other
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Generators
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Auragen viper g8500x 2 total Belt driven
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Two primary forces that affect stability
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Gravity and buoyancy
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Stability
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The tendency of a vessel to remain upright
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Definition of SAR
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Prevent death or injury to persons and loss or damage to property in the marine environment
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Hydrolics
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Port- steering, bucket, interceptors Starboard-reverse, interceptors 9 gallons 1 filter
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FLIR
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360 degree pan 45 degree tilt 2 x zoom =200m Black hot Red hot White hot Night running Day running MOB Night dock
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Safe towing speed
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Square root of the length at the waterline (feet) * 1.34 - 10%= (knots)
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Frame numbers Frame spacing
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Transom-2 laz 2-7 engine room 7-10 amc 10-14 survivors 14-17 forepeak 0-2=24" 2-17=28"
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Statutory authority for SAR
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Promote safety on, over, under high seas
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2 SAR program goals
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Prevent death/injury Prevent loss/damage to property
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3 objectives for SAR program
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Minimize loss Minimize crew risk Maximize resources
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MSAP (Martime SAR assistance policy of 1982)
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Can prevent a situation from worsening Prevent complete loss of a vessel Can assist salvage company
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Color reg 72
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Convention on the international regulations for preventing collisions at sea, 1972
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Datum
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Most probable location, corrected for drift over a given period of time.
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Length overall 45
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44'9"
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Beam overall 45
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14'8"
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Free board Bow= Amidships= Aft=
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4'9" 1'11" 2' 11"
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Draft
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3'4"
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Highest fixed point
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13'1"
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Highest unfixed
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20'9"
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Water jets
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Rolls Royce 3755
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Weight no crew
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36,700
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Weight with crew
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37,540
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Max POB
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24@210lbs
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Bulge pumps
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2000g/h or 33g/m
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Fire extinguishers
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4, 5lbs dry chem
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Hazard areas
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Fish traps Melville Goat island bridge Coasters bridge Narrows bridge Nannaquaket bridge Broad cove Waterman street bridge Pawtucket bridge Bullocks bridge Barrington river bridge Warren bridge Cole bridge Lee bridge
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Restricted areas
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Newport Wickford Allens Greenwich Apponaug Warwick Kickamuit Cole Lee Warren Bullocks Pawtuxet Seekonk Brightman Hummecks Crook point
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Lifting strakes
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3 on each side Improve sea keeping directional Stability and planing
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Vessels moment
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The force that causes a vessel to return to an even keel
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SAR authority
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Title 14, sections 2,88,and 141 of US code. Coast guard shall develop, establish, maintain, And operate SAR facilities, and may render aid to distressed persons and protect and save property on or under high seas and waters subject to jurisdiction of the CG
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Coxswain leaving vessel
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In coxswains judgement, after careful consideration of the remaining crew members, the operational benefits clearly outweigh the risks
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4 primary geographic divisions of responsibility for us SAR
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Inland rivers Inland waterways Coastal waters Parts of the high seas
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Hull design
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Planing hull Double chine 20 degree dead rise at transom
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Gar
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1-23 green 23-44 Amber 45-60 red
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Navigational draft
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8 feet Offset -2 Alarm 6feet
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Crest
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Top of wave
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Trough
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Valley between waves
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2 geographic areas of cg responsibility for SAR
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Atlantic area(LANT) Pacific area (PAC)
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PPE weather
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Water and air below 50=dry suit Water or air below 50=mustang Water above 60=type 3
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Track spacing Good weather= winds less than 15kts and seas less than 3feet Bad weather=winds greater than or equal to 15kts and seas greater than or equal to 3feet
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PIW=good conditions .1 NM, bad conditions .1 NM Object less than 15 feet in size= good weather .5NM, bad weather .2NM Object greater than or equal to 15feet= good weather 1NM, bad weather .5NM
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Commercial provider assistance location
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Wickford
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Drifting search patterns
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Expanding square, VS
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Precision search
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Parallel, creep
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Gar
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Supervision Planning Crew selection Endurance Weather Environmental stressors Mission complexity Limitations
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mammalian dive reflex
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Can survive in cold water, blood flow slows down
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Bends
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Air bubble in blood
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Tumble holm
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Naval architecture, the boat widens at the top. Tough to come along side. I.e pirate boat
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Church cove
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North of sakonett harbor
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Spring tide
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Unusually high or low tide
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45 rollover switch
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Aux space, 8-12 seconds, only side to side flip not forward to aft
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Salvage policy
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Save a life, prevent complete loss of vessel, prevent situation from worsening
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Medico
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Medical advice
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Fetch
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Distance wind travels on the sea uninterrupted
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Stokes liter order
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Grey, blue, head to toes
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45 stanpipes
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Top=deflooding engine room Bottom=fire fighting
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Saddle
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Back of wave
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Close out
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Way wave is breaking towards
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Ice on 45 superstructure
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3/4ths inch
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Righting moment
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Moment before it rerights itself (furthest it will list)
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Slip
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Time it takes a boat to be propelled forward
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Pitch
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1 revolution of propeller through a medium
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3 subcategories of navigation rules
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In any vis, conducted in sight of each other, conducted in restricted visibility
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Rule 35
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Sound signals in restricted visibility
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Hazardous areas
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Can't enter except to save a life
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How to make a water tight hatch
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Gasket, knifes edge, dog
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SPE
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Severity, probability, exposure
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Lube oil pressure
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2300rpms=41psi normal 2300rpms= 31psi disabling 650rpm=10 normal 650rpm= less than 10 disabling
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Jacket water temps
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Normal=140-185f Restrictive=186-211 Disabling=212
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Reduction gear pressure
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Engaged=normal185-265psi/disabling outside that range Disengaged=normal 15-65psi Disabling outside that range 130-185F
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SAR organization
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Sc district SAR commander Smc sector sar mission coordinator On scene coordinator mostly castle hill USCG Sru sar response unit the boat
