Mooring,anchoring & Towing Operations Flashcards
1
Q
What holds the tapered pin in place in a detachable link?
A
A lead plug
2
Q
What slush is used on a detachable link?
A
40% white lead and 60% tallow
3
Q
What do you do to the tapered pin to ensure proper seating in the detachable link?
A
Drive it in with a punch and hammer
4
Q
What type of shackles is he used to attach an anchor to its chain
A
Bending shackle
5
Q
What are the outboards swivel shot detachable link secured with?
A
Wire locking clip
6
Q
What does an outboard swivel shot consist of?
A
Detachable links, regular links a swivel end link and a bending shackle
7
Q
What is the maximum length of an outboard swivel shot
A
Five fathoms
8
Q
What does an outboard swivel shot allow
A
Stopping off the anchor, and breaking the chain between the windless and anchor
9
Q
Which navy, stockless anchor has the greatest holding power
A
MK2
10
Q
What type of anchor is used for a submarine or a buoy?
A
Mushroom
11
Q
What type of anchors have a serial number?
A
The ones over 100 pounds
12
Q
Where is an anchor serial number located?
A
On its crown
13
Q
What type of anchor chain is standard?
A
Die lock
14
Q
How is the length and width of a link of anchor, chain determined
A
Six times diameter and 3.6 diameter
15
Q
Where is the link of anchor chain measured?
A
At the end slightly above centerline
16
Q
Why are navy chain-link studded?
A
To prevent kinking , and to keep the links from pounding adjacent links
17
Q
How long is a standard shot of anchor chain?
A
15 fathoms
18
Q
Where is the serial number on a shot of anchor chain?
A
On the other side of the links
19
Q
What is done when the end link is removed from a shot of anchor chain
A
The new and the link must be engraved or stamped with the serial number
20
Q
What is used to connect shots of anchor chain?
A
Detachable links
21
Q
Are detachable links parts interchangeable?
A
No matching numbers are engraved on the c- link and two coupling plates
22
Q
What stopper is nearest to the hawsepipe
A
Housing stopper
23
Q
What stopper is furthest aft?
A
Ridding stopper
24
Q
What part of the stopper straddles the anchor chain
A
The tongue and strong back of the pelican hook
25
What are stopper secured to the deck with
Padeyes
26
What type of stoppers are used with horizontal shaft windless and where space does not permit standard stoppers
Pawl type and devil claw
27
What should be used to back up stoppers of helping to hold the chain?
The wildcat break
28
What are the ridges on the wildcat which engaged to chain-link called
Whelps
29
Should the wildcat disconnected while the ship was anchored
Yes
30
What is the first the stopper or wildcat break?
The wildcat break
31
What is the difference between riding chain stoppers and towing chain stoppers
Towing chain stoppers, have a locking plate added
32
What colors are detachable links painted?
Red white and blue
33
What color are links on both sides of the detachable link painted?
White with the number painted equal to the shot number
34
How many turns of wire go around the last white stud?
One for each shot
35
What color is each link of the next to last shot?
Yellow
36
What color is each link of the last shot
Red
37
Why is a ship normally backing while letting out anchor chain
To prevent piling the anchor chain
38
Who is in charge of the focsule during anchoring
1st Lt
39
How do you determine the scope of a chain and anchoring in calm seas?
5 to 7 times the depth of the water
40
What items must be at hand when weighing a anchor
Fire hose, and grapnel hook
41
How do you determine the scope of a chain and anchoring in heavy seas?
7 to 10 times the depth of the water
42
What is short stay?
Just before the anchor flukes, break free of the bottom
43
What is up-and-down?
When only the anchors crown rest on the bottom
44
What does anchors away mean?
The anchor is clear of the bottom
45
What is used to prevent water from entering the chain locker via the chain pipes?
Jackasses and buckler plates
46
What are Jackasses?
Cone shaped plugs made of canvas stuffed with Oakum
47
What type of moor is used in crowded harbors?
Mediterranean moor
48
What constitutes Mediterranean Moore?
The stern is moore to a pier with both bow anchors out
49
What is a sheet anchor?
A ship’s biggest anchor
50
What is a stream anchor?
An anchor dropped off the stern or quarter to prevent swinging to a current
51
How does a Danforth anchor compare to a patient (stockless) anchor, as far as strength and holding power?
A Danforth anchor has the same strength and holding power as a stockless anchor of twice the size
52
How are anchor chains on large cutters?
A cutter will have an 8 shot and seven shot anchor chain
53
What is the mortise (size of the opening) of a mooring shackle?
7 inch
54
What is attached to the end of a mooring swivel?
2 links
55
How long is a dip rope?
14 to 36 Fathoms
56
What is inserted between the anchor, and the anchor, buoy line
A piece of chain to reduce chafing
57
What is a dip rope used for?
To moore or clear a hawse
58
What is the breaking strength of a padeye , the anchor, chain, bitter and is connected to
1.75 times the strength of the connecting shackle
59
How often are chains 1.5 inch and smaller inspected
Quarterly
60
How often are chains larger than 1.5 inch inspected
Every 18 months
61
What line eases the buoy wire down the anchor chain
Easing out line
62
Where is the anchor, chain, broken to prepare for tow
In board of the swivel
63
How do you keep the chain from falling back into the chain pipe after the anchor is disconnected?
Put a bar through a link
64
How fast can a windless go when heaving more than 60 fathoms of chain
No more than half speed
65
What are two types of shackles
Type one (anchor) type two (chain)
66
Where do you measure a shackle?
1/4 way up one side 
67
What Is The Name Of A Mooring Line That Runs At A 45 Degree Angle
Spring Line
68
In Nylon 3 Strand Mooring Line What Is The Required
35 1/2 Inches
69
When Mooring With A 61/2 Inch Mooring Line Or Smaller What Is The Minimun Size In Circumfrence Of The Rattail Stopper
3 inches
70
What Is The Term Is Used To Hold A Mooring Line But Not To Let It Get To Parting Strength
Check
71
What Type Of Line Can Not Be Used For Navy Ships Mooring Lines
Polyproprolenye
72
When Mooring Lines Become Wet What % Is Lost In The Line Strength
15%
73
When Lines Are Properly Secured With Round Turns On H Bitts The Line Will Retain What % Of Its Strenght
90%
74
When A Standard Eye Splice Is Applied To A New 3 Strand Mooring Line It Will Retain Up To What % of Its Line Strengh
90%
75
When Handling Mooring Lines Over 7 Inches What Is The Minimum Size In Circumfrence The Rattail Stopper Should Be
5 inches
76
In The Criss Cross Method Of Passing A Stopper What Is The Minimum Number Of Twists Required
6
77
Which Mooring Line Is The Forward Bow Spring
Line 3
78
Which Mooring Line Is The Forward Quarter Spring Line
Line 5
79
Which Moring Line Is The After Quarter Spring Line
Line 4
80
Where Possible Position Line Handlers A Minimum Of How Many Degress From The Direct Line Pull
90%
81
What Size Line Is Used Fro Tattle Tail Cords In Mooring Lines
6 thread
82
What Length Of And How Far Apart Is The Tattle Tail Cord Going To Be On A 3 Strand Nylon Mooring Line
35 1/2 Inches Long And 30 Inches Between Marks
83
What Type Of Mooring Lines Lead Straight Across To The Pier
Breast
84
When Lines Are Secured On Double Bitts With Fugure 8's What Percentage Of The Line Strength Is Lost
25%
85
What Spring Lines Will Keep The Ship From Moving Forward
Lines 2 and 4
86
When A Standard Eye Splice Is Completed On A Nylon Double Braided Mooring Line It Will Retain How Much Of Its Breaking Strenght
90%
87
What is Placed On Mooring Lines To Tell You That You Are At Or Near A Lines Safe Working Load
Tattle Tail Cord
88
What Is The Primary Purpose Of Using Riding Turns While Mooring
To Prevent Lines And Ropes From Surging
89
What Does It Mean When The Tattle Tail Cord Has Become Taut
Line Has Reach Safe Working Load
90
What Piece Of Equipment Is Not Needed On An Aft Towing Station
Turn Buckle
91
What Type Of Salvage Provides Emergency Salvage To Vessels And Aircraft in Distress At Sea
Rescue
92
In The Scoring Current Method Of Salvage Work What Type Of Bottom Will The Method Not Be Effective In
Coral And Rock Bottoms
93
When Rigging To Be Towed Where Is The Anchor Chain Fair Lead To
Out Of The Bull Noise
94
What Is The Lenght And Size Of The Williams Tow Sled Line
3 inch Nylon Double Braided 4,500ft Long
95
How Many Towing Messengers Are Needed For A Towing Rig
3
96
What Is Installed On Towing Stoppers That Are Not Installed On Chain Stoppers
Locking plate
97
What Type Of Dual Towing Rig Can Be Used When You Can Secure One While Not Disturbing The Other
Christmas Tree
98
The Towing Hawser Is What Type And Line Construction
Nylon Double Braided
99
How Long Is The Total Length Of The Towing Hawser
600Ft
100
What Type Of Salvage Is Concerned With Refloating Vessels Stranded Or Sunk In Exposed Locations Along The Coast
Off Shore Salvage
101
What is Used To Attach The Liverpool Bridle To The Tow line While Conducting Salvage Operations
Carpenter Stopper
102
Who's Responsibility Is It To Ensure A Towing Evolution Is Carried Out Safely
Safety Observer
103
What Type Of Line Construction Can Not Be Used As A Towing Hawser
3 Strand Nylon
104
When Being Towed Once You Have The Towing Ships Hawser On Deck Where Will You Attach It Too
Anchor Chain
105
To Prevent The Anchor Chain From Running Back Into The Chain Locker What Must You Do
Pass A Steel Bar Through The Chain And Back It Up With A Wire Preventer
106
When Rigging For Being Towed What Acts As The Chaffing Chain
Anchor chain
107
What Helps Keep A Catenary In The Towing Hawser When You Are Being Towed
Chaffing Chain
108
What Type Of Knots Are Used To Secure The Messengers To The Tow Line
Half Hitch, Rolling Hitch, Half Hitch
109
When Should The Tow Rig Be Inspection
Before And After Each Use
110
During A Towing Evolution How Many Towing Messengers Will Be Rigged
2
111
When Towing A British Ship What Is Used To Connect Both Towing Hawsers Together
NATO Towing Link
112
What U.S. Vessel Can't Be Towed
Aircraft Carrier
113
What Is The Primary Objective In Determining The Speed Of A Towing Rig
Sea State And Sea Conditions
114
What Is The Last Means Of Passing The Towing Messenger When Conducting A Towing Evolution
Floating The Messenger
115
What Type Of Towing Evolution Do You Need A Pelican Hook And No Turnbuckle While Towing
To Tow
116
What Is Used To Connect The Nylon Messenger To A Wire Rope Hawser
Strap
117
What Is The Primary Way To Communicate Between Ships In An A Towing Evolution
Radio or Bull Horn
118
What is The Fastest Way To Communicate Between Ships In An Emergency
Sound Signals and Whistle
119
After The Tow Line Has Been Passed What Will The To Be Towed Ship Do Next
Release The Brake And Left Slackware Out Of The Chaffing Chain Until It Reaches Out The Bull Noise
120
What Sound Power Circuit Is Used During A Towing Evolution
1mc
121
During A Towing Evolution 2 Prolonged Blasts Followed By 5 Short Blasts Means What
Let go
122
What Is Needed On The Aft Towing Station Incase You Need To Cut Wires Or Chain Links
Cutting Torch
123
How Many Signal Paddles Are Used On An Aft Towing Station
1
124
What Is Used As A Fairlead On A Ship Being Towed
Bullnose
125
What Is The NATO Towing Link Rated Breaking Strength
700,000
126
After The Anchor Chain Is Paid Out The Bull Noise And The Brake Is Set What Will The Towed Ship Do
Next
Pass Both Towing Stoppers
127
What Determines How Much Anchor Chain Is Fairlead Out The Bull Noise When Towing
Sea State
128
What Type Of Salvage Consists Of Salvaging Ships, Removing Wreckage, And General Salvage Work In Harbors
Harbor Salvage
