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NAVS 401 > EXAM2 > Flashcards

EXAM2 Flashcards

(54 cards)

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1
Q

Controllable forces

A 
Propeller
rudder
mooring lines
anchors
tugs
bow thruster/apu
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2
Q

Uncontrollable forces

A

Sea
current/tides
water depth
wind

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3
Q

1 through 6 name the mooring lines

A
  1. bow
  2. forward bow spring
  3. after bow spring
  4. forward quarter spring
  5. after quarter spring
  6. stern
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4
Q

controllable pitch propellers are found on

A

gas turbine ships

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5
Q

fixed pitch propellers are found on

A

STEAM ships

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6
Q

Line Handling commands: HEAVE AROUND

A

take off the brakes

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7
Q

Line Handling commands: AVAST HEAVING

A

stop heaving

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8
Q

Line Handling commands: HOLD

A

take additional turns of line

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9
Q

Line Handling commands: CHECK

A

take turns to take strain on a line, check ships movement

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10
Q

Line Handling commands: DOUBLE UP

A

run out one or more bights and secure the lines

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11
Q

Line Handling commands: SINGLE UP

A

Take in all additional parts, leave a single line at each station

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12
Q

Line Handling commands: TAKE IN

A

Heave in on the line to take in the slack

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13
Q

Shallow water effects on ships

A

bank cushion
bank suction
sinking
pounding

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14
Q

Pivot point of a ship in different situations

A

usually located at 1/3 the length of the ship from the bow (just behind the bridge) if ships in reverse from the stern

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15
Q

COLORS OF ANCHOR CHAIN: Red

A

15 fathoms

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16
Q

COLORS OF ANCHOR CHAIN: white

A

30 fathoms

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17
Q

COLORS OF ANCHOR CHAIN: blue

A

45 fathoms

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18
Q

COLORS OF ANCHOR CHAIN: red

A

60 fathoms

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19
Q

COLORS OF ANCHOR CHAIN: next to the last shot

A

yellow

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20
Q

COLORS OF ANCHOR CHAIN: last shot

A

red

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21
Q

Forces which affect location of the Pivot Point

A
  • Headway or Sternway
  • Ship’s Speed
  • Anchors
  • Mooring Lines
  • Tugs
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22
Q

o Rudder cannot be used to effectively steer ship

23
Q

How many feet are in a shot

24
Q

3 types of deck and pier fittings

Study These Flashcards
A

bitt
cleat
bollard

25
How many kts of current is 30 kts of wind?
1 kt of current
26
Different material conditions of readiness: | • X-Ray =
Minimal closure
27
Different material conditions of readiness: | • Yoke =
Inport; Increased closure
28
Different material conditions of readiness: | • Zebra =
Full closure; GQ
29
Different material conditions of readiness: | • Circle William =
Ventalation Control
30
Know what the legal documents on board ship are
``` o Three legal documents aboard ship • Deck log (on bridge: QMOW) • Bell log (each shaft: MMOW) • Engineering Log (in main control: EOOW) o One electronic document • VMS data log ```
31
Great Circle route
-Shortest distance in between two points on the earth is a great circle.
32
MOVREP (Movement Report)
Report on ETA, ETD, Track, Operational Details, PIM
33
OTSR
* Optimum Track Ship Routing (OTSR) * Hurricane and heavy weather avoidance * Put out by METOCS * Sent out every morning at 0800 Local.
34
o Advance and transfer problem | Angle of Turn=
The amount of rudder applied directly affects advance and transfer
35
• T-AO = Oilers
Henry J. Kaiser Class • Fuel for Ships & Aircraft • 180,000 barrels of fuel oil • Very little dry/cold stores
36
T-AE = Ammo
* Kilauea Class | * Operated by MSC
37
T-AFS = Combat stores
* Mars & Sirius Class * Provide Stores (Dry, Chilled & Frozen), Repair Parts, Mail and Fuel * Operated by MSC
38
• T-AOE = Fast Combat support
* Supply Class * Capable of maintaining CVBG Speed * All-Purpose Supply Ships * Stores * Ammunition * Fuel
39
white/green cross hard hats
safety observer
40
Yellow hard hats
rig captain
41
blue hard hats
riggers/line handlers
42
red hard hats
line throwing gun or bolo
43
STREAM
* Standard Tensioned REplenishment Alongside Method * Uses a tensioned spanwire to support the cargo trolley or the fueling hose from the delivery ship to the receiving ship
44
LOGREQ
* Logistics request and what goes into it * 5-7 Days Prior * Receiving ship submits a LOGREQ * LOGREQ (Logistics Request) * Requests stores, fuel, parts
45
LOGREQ REPLY
* Name of delivery ship * Rendezvous location and time * Breakdown of supplies to be transferred * Expected R CORPEN/SPEED
46
IDEAL SEPARATION
* Receiving ship returns all lines and rigging in an orderly fashion. * Delivery ship returns phone and distance line. * Receiving ship prepares breakaway song.
47
know the different colors for phone line:
"GO RUB YOUR BELLY WITH GREASE" in 20 yrd increments 140-160
48
Venturi Effect
Pressure differenctial caused by different flow of water amidships and at the bow and stern admidships becomes a suction area. remember the picture
49
• Swing Circle:
A circle drawn from the actual anchor location with a radius equal to the length of the anchor chain veered plus the total length of the ship
50
• Drag Circle:
A circle drawn from the actual anchor location with a radius equal to the length of the anchor chain veered plus the distance from the hawespipe to the pelorus
51
Calculate shots needed for certain depth
* Each shot is 15 fathoms (15x6 = 90 ft) * How much anchor? * 5 to 7 times the depth
52
Order in which you launch AAVs
* 1-2 ft of water at sill | * Staboard, center, port
53
Order in which you recover AAVS
* Est depth at sill = 4ft | * Port, Starboard, center
54
When Anchoring is dragging what do you do?
``` Dragging Anchor • Ship is outside the drag circle •Causes: • Heavy Weather, Rocks •Options • Veer out more chain • Steam on the Anchor • 2nd Anchor • Get Underway ```

NAVS 401 (1 decks)

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