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NAVS 401 > EXAM2 > Flashcards

EXAM2 Flashcards

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

A

backwards

23
Q

How many feet are in a shot

A

90

24
Q

3 types of deck and pier fittings

A

bitt
cleat
bollard

25
Q

How many kts of current is 30 kts of wind?

A

1 kt of current

26
Q

Different material conditions of readiness:

• X-Ray =

A

Minimal closure

27
Q

Different material conditions of readiness:

• Yoke =

A

Inport; Increased closure

28
Q

Different material conditions of readiness:

• Zebra =

A

Full closure; GQ

29
Q

Different material conditions of readiness:

• Circle William =

A

Ventalation Control

30
Q

Know what the legal documents on board ship are

A 
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
Q

Great Circle route

A

-Shortest distance in between two points on the earth is a great circle.

32
Q

MOVREP (Movement Report)

A

Report on ETA, ETD, Track, Operational Details, PIM

33
Q

OTSR

A
  • Optimum Track Ship Routing (OTSR)
  • Hurricane and heavy weather avoidance
  • Put out by METOCS
  • Sent out every morning at 0800 Local.
34
Q

o Advance and transfer problem

Angle of Turn=

A

The amount of rudder applied directly affects advance and transfer

35
Q

• T-AO = Oilers

A

Henry J. Kaiser Class
• Fuel for Ships & Aircraft
• 180,000 barrels of fuel oil
• Very little dry/cold stores

36
Q

T-AE = Ammo

A
  • Kilauea Class

* Operated by MSC

37
Q

T-AFS = Combat stores

A
  • Mars & Sirius Class
  • Provide Stores (Dry, Chilled & Frozen), Repair Parts, Mail and Fuel
  • Operated by MSC
38
Q

• T-AOE = Fast Combat support

A
  • Supply Class
  • Capable of maintaining CVBG Speed
  • All-Purpose Supply Ships
  • Stores
  • Ammunition
  • Fuel
39
Q

white/green cross hard hats

A

safety observer

40
Q

Yellow hard hats

A

rig captain

41
Q

blue hard hats

A

riggers/line handlers

42
Q

red hard hats

A

line throwing gun or bolo

43
Q

STREAM

A
  • 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
Q

LOGREQ

A
  • Logistics request and what goes into it
  • 5-7 Days Prior
  • Receiving ship submits a LOGREQ
  • LOGREQ (Logistics Request)
  • Requests stores, fuel, parts
45
Q

LOGREQ REPLY

A
  • Name of delivery ship
  • Rendezvous location and time
  • Breakdown of supplies to be transferred
  • Expected R CORPEN/SPEED
46
Q

IDEAL SEPARATION

A
  • Receiving ship returns all lines and rigging in an orderly fashion.
  • Delivery ship returns phone and distance line.
  • Receiving ship prepares breakaway song.
47
Q

know the different colors for phone line:

A

“GO RUB YOUR BELLY WITH GREASE” in 20 yrd increments 140-160

48
Q

Venturi Effect

A

Pressure differenctial caused by different flow of water amidships and at the bow and stern

admidships becomes a suction area.

remember the picture

49
Q

• Swing Circle:

A

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
Q

• Drag Circle:

A

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
Q

Calculate shots needed for certain depth

A
  • Each shot is 15 fathoms (15x6 = 90 ft)
  • How much anchor?
  • 5 to 7 times the depth
52
Q

Order in which you launch AAVs

A
  • 1-2 ft of water at sill

* Staboard, center, port

53
Q

Order in which you recover AAVS

A
  • Est depth at sill = 4ft

* Port, Starboard, center

54
Q

When Anchoring is dragging what do you do?

A 
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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