Check List Flashcards
How do you report air contacts?
Object
Bearing
Position angle
Range
How do you report surface contacts?
Object, bearing and range
What senses do you use as a lookout?
Hearing, sight and smell
What is zenith?
90 degrees straight up/ directly overhead
What is CBDR?
Constant bearing decreasing range
The range is decreasing because of movement
What is the proper response to a helm command?
Repeat the command given by coxswain and then execute the command. Inform coxswain when the command is executed
What is a lubber line?
Is a line or mark on the compass housing to indicate the direction that the boat is heading.
Yellow
Catenary
A dip or downward sag in the line
*caused by gravity
Shock load
Resistant forces on the tow line
Yawing
Disband boat veers from one side to the other which may cause one or both boats to capsize
Veering
Back and forth (not steady)
In step
The proper distance between the towed boat and towing boat to maintain control and to prevent the towline from breaking
What are some types of deck fittings?
Bollard
Single bitt
Open/closed chock
Paired bitts
Why are backing plates important?
Backing plates evenly distributes the hold of a towed vessel. If there wasn’t backing plates there would be a weak point and it wouldn’t be strong enough for a tow
What is the max degrees of the legs of a bridle?
Angle of the leg stays less than 30 degrees
What is the purpose of a pendant?
Reduces wear and chafing at the towline end
What is tow 1?
Stern tow
What is tow 2?
Side tow
What is a P6 pump?
Is used for emergency dewatering of vessels in danger of sinking.
What is the P6 pump rated for?
Has a rated output of 250 gallons per min at a 12 foot suction lift.
Under load the pump will dewater for 4 to 5 hours on 2.5 gallons of gas
15 foot non collapsable suction hose (yellow fitting)
20 foot discharge hose (green fitting)
What is center of gravity?
The weight of the boat acting vertically downwards
What is center of buoyancy?
Center of gravity of displaced water
Equilibrium
When the boat is at rest, the center of buoyancy acting upward is below the center of gravity acting downward.
What are two types of stability?
Longitude and transverse
Longitude
Tends to balance the boat, preventing it from pitching
Transverse
Tends to keep the boat from rolling over
What are the two forces that affect stability?
Static and dynamic
Static
Weight on the boat
Movement of crew members
Shifting movement of water or fuel in the bilge
Free surface effect
Dynamic
Forces outside the boat such as wind or waves
Free surface effect
The shifting of fuel or water inside the boats bilge can have an affect on stability and handling
What is free communication with the sea?
Damage to the hull of the vessel creates free communication with the sea which causes unobstructed movement of seawater into and out of the boat.
What is down flooding?
Is the entry of water into the hull resulting into progressive flooding and loss of stability.
What is the fire tetrahedron?
Is the four components that are needed in order for a fire to start.
Heat, oxygen, fuel and chemical chain reaction
What is Class A fire, primary extinguishing agent and smoke color?
Wood based materials, paper, certain plastic, cloth, rubber.
Water, PKP extinguishing agent
Smoke color is white or gray
What is Class B fires, primary extinguishing agent and smoke color?
Flammable liquids such as gases, fuels, greases and petroleum.
Primary extinguishing agent is PKP, CO2 and AFFF
Smoke color is brown or black
What is Class C fires, primary extinguishing agent and smoke color?
Electrical equipment, conductors or appliances
*locate the source that the electricity is coming from and turn it off. Turning the Class C fire into a Class A.
Extinguishing agent is PKP and CO2
Smoke color is white or blue
What is Class D fires, primary extinguishing agent and smoke color?
Combustible metals such as potassium, magnesium, titanium, and sodium.
Extinguishing agents are water sand or jettison overboard
Smoke color varies depending on the metal being burned
What are the three types of bleeding?
Arterial, venous and capillary bleeding
What is arterial bleeding?
Blood that comes from the arteries, bright red, and the blood spurts out in sync with the victims pulse.
What is venous bleeding?
Blood that comes from the veins, dark red, and the blood come out in a steady flow
What is capillary bleeding?
Blood that comes from the capillaries, bright red and the blood oozes from the victims wound.
How do you control bleeding?
Bandage application Direct pressure Elevate the injured area Pressure points Tourniquet
What is hypothermia?
Loss of internal heat
*normal body temperature is 98.6 F
What are the symptoms of hypothermia?
Pale skin that's cold to the touch Dilated pupils Poor condition Rapid or weak pulse Slurred speech Unconsciousness Incoherent thinking
What are the symptoms of heat exhaustion?
Pale skin Sweating profusely Headache Nausea Victim collapses Confusion
What are symptoms of a heat stroke?
Red skin that hot or dry to the touch Weak or rapid pulse Temperature at 105 degrees or above Unconsciousness Brain damage (if not medically treated) Headache
What are the symptoms of anaphylactic shock?
Swelling of lips, throat and hands Wheezing- shortness of breath Itching of skin, hives Headache Nausea/ vomiting
What is anaphylactic shock?
Rapid extreme allergic reaction
What causes anaphylactic shock?
Insect stings
Berries
Fish/ shellfish shrimp
Oral drugs such as penicillin
Treatment: epinephrine kit or CPR if needed
What are the three types of burns?
First degree
Second degree
Third degree
First degree burns
Mildest form. Only penetrates the outer layer of skin causing redness, mild pain.
Second degree burns
Extends through the outer layer of skin and involves the inner layer of skin. Produces blisters, severe pain and redness.
Third degree burns
Destroys the inner and outer layer of skin. Color may range from white to black, severe pain.
What are the two types of fractures?
Compound and simple fracture
Compound fracture
Broken bone with an open wound
Simple fracture
Broken or cracked bone but an open wound isn’t present.
What are symptoms of fractures?
Misalignment
Discoloration near injury
Pain and swelling
Handling a fracture
Do not attempt to straighten broken limbs
Check for other injuries
Protect injured area
Use splint to immobilize fracture
What are the parts of an anchor?
Shank
Stock
Flukes
Crown
Shank
Aids in weighing and setting the anchor
Attachment point for the anchor line
Stock
Prevents the anchor from rolling or rotating
Crown
Lifts the rear of the flukes, and forces the flukes into the bottom.
Flukes
Digs into the bottom and burying the anchor, creating holding power.
What is ground tackle?
A general term for the anchor equipment used for securing a vessel at anchor
What is scope?
A ratio of the length of rode paid out to the depth of water.
What is the proper line to depth ratio?
5:7
What is a fathom?
6 feet
What is fouled and shod?
An anchor that refuses to break free because of bottom grass, mud or clay
What are ways to tell when your anchor is holding?
Use two landmarks that are at least 45 degrees apart, radar ranges and bearings
What are things to be aware of when anchoring?
Vessels in the area
Making sure the anchor line doesn’t chafe
Anchor doesn’t drag
What is the proper way to weigh anchor?
Take in anchor rode (to prevent fouling screws)
Fake the line on the deck
What is short stay?
When the line is straight up and down
What gear is required for a surface swimmer?
Hypothermia protective clothing Swimmers mask Rescue fins Approved harness, life vest, knife Tending line and reel Strobe light 4" chemical light Signal whistle
What is OATH?
Visual, whistle and tug signals that give a swimmer and tender alternate ways to communicate.
I’m OK/ Are you OK?
One tug or whistle
Visual: taps top of head
Advance
Two tugs/whistles
One arm raised over head
Take up slack/ I’m ready To return to vessel
Three tugs/whistles
One arm waving overhead
Help/ do you need help?
Four tugs/whistles
Both arms waving overhead
What is a bowline?
Is used to put a temporary eye in a line
What is a clove hitch?
Preferred for securing a heaving line to a towline
Double becket bend
Joining lines of unequal size
Square knot
To join two lines of equal size and material together
Timber hitch w/ two half hitches
Used to secure a line to logs, spars, planks or rough surface material
What constitutes safe speed?
Visibility Background lights Boat maneuverability Traffic density Weather Draft
What is GAR?
General Assessment of Risk and its used to mitigate risks and reassess hazards.
