Navigation Flashcards
___ Indicates a blank to be filled A number in parenthesis indicates the number of facts or characteristics to be mentioned
1
Q
About these flashcards:
__ indicates a blank to be filled
A
A number in parenthesis indicates the number of facts or characteristics to be mentioned: mark this card blue so it rarely shows up
2
Q
TYPES OF FIXES :
A
a) Electronic (triangle) GPS or INS triangulation
b) Visual (circle) Visual triangulation
c) Composite (triangle with a circle inside)
d) Estimated Position (EP) (Square) Speed
e) DR: Estimated (Half Moon with a half circle) Dead Reckon
3
Q
HOW OFTEN DO WE TAKE A FIX ?
A
EVERYTHING DEPENDS IN HOW FAR WE ARE FROM SHOAL WATER/LAND
4
Q
THIS IS HOW THE FIXES WILL BE DEPENDING ON HOW FAR WE ARE FROM SHOAL WATER
A
a) 0 -2 NM 0 - 3 Min Restricted
b) 2 - 10 NM 3 - 15 Min Piloting
c) 10 - 30 NM 15 - 30 Min Costal
d) 30+ NM 30 Min General
5
Q
What is a line of position (LOP)
A
An imaginary line from the ship to the NAVAID that we are shooting
6
Q
What is DR
A
Projected position based on your fix interval (3, 10, 15, 30 min)
7
Q
6 rules of DR
A
1) Every hour on the hour
2) Every course change
3) Every speed change
4) Every running fix
5) Every LOP
6) Label each fix with: course, speed, and time
8
Q
Golf:
A
guide ship
9
Q
Romeo at the dip:
A
preparing to come alongside.
10
Q
Romeo closed up:
A
commence approach.
11
Q
Romeo hauled down:
A
first messenger in hand.
12
Q
Bravo at the dip:
A
temporary stop refueling.
13
Q
Bravo closed up:
A
commence fuel.
14
Q
Bravo hauled down:
A
cease pumping.
15
Q
Prep at the dip:
A
15 min before breakaway.
16
Q
Prep hauled up:
A
5 min before break away.
17
Q
Prep hauled down:
A
all lines clear.
18
Q
Discuss the difference between emergency and standard breakaway?
A
Emergency break away you sound 5 short blast. Standard breakaway you will you use the prep flag to signal when you’re ready to break away (no sound signals required)
19
Q
Bravo
A
refueling / ammo unload/offload
20
Q
Kilo
A
Working aloft
21
Q
Kilo1
A
Over the side
22
Q
Kilo 3
A
Aloft and over the side
23
Q
Lima
A
HERO condition
24
Q
Code-Alpha
A
divers (why code and not just alpha? Because we use code before any signal for international waters. Sometimes we have a foreign ship navigating beside
25
3rd sub
CO is not on board
26
PREP
5 minutes prior sunrise, colors and during UNREPS
27
SOPA
Senior Officer Present afloat
28
Quebec
Boat Recall
29
Papa
Personnel Recall
30
Oscar
Man Overboard
31
Uniform
Anchoring
32
2nd Sub
A guest is embarked
33
WHAT IS VMS
Voyage Management System
34
VMS STATIONS (IN ORDER)
Nav1 (QM WATCH)
Conn One
Nav 3 (Chartroom)
Nav 2 (CIC)
Nav 4 (CO)
ENL
35
WHAT DOES ENL MEAN
Emergency Navigation Laptop (that receive manually inputs from the DAGR)
36
What does DAGR stand FOR
Defense advance GPS receiver
37
What is set and drift
SET: direction we are being pushed off course
DRIFT: speed at which we are being pushed
38
What are the type of calculate position?
Electronic: GPS or radar
Piloting: Visual Navaids (buildings, structures, towers)
Celestial: navigation by stars, moon, and sun
39
Shoal water:
everything that is below our safety depth (our safety depth is 36ft, so that means that 35ft of depth is shoal water)
40
Ship Draft:
From the water line to the keel is 32 ft.
41
Ship Safety Draft:
36ft. After adding a 4 feet clearance.
42
Ship Height:
150.9ft
43
Ship Safety Height
176ft. After adding a 25 feet clearance.
44
Special sea and anchor detail:
Any time we are in restricted waters. 2nm or less
45
Low visibility detail:
When visibility is reduced to 6,000 yards (3nm) or less by fog, heavy rain, or other phenomena.
46
Flight Quarters porpuses (4)
Man overboard, helo ops, deck landing quals (DLQs), search and rescue
47
Restricted Maneuvering:
A vessel which due to the nature of her work is restricted in her ability to maneuver
48
Modified Navigation Detail:
5 nautical miles from land of shoal water. The NAV or ANAV should be on bridge
49
True bearing:
bearing relative to the north compass bearing corrected for compass
50
Relative bearing:
a bearing taken on an object relative to the ships heading. Measured from 000 degrees- 360 degrees.
51
DIW:
a vessel dead in the water (not moving).
52
Head on:
2 power driven vessels are meeting on reciprocal or only reciprocal courses. You see both running lights.
53
Crossing:
when 2 vessels are able to see one of each others running lights and mast light. (on side of each other).
54
What table displays the distance to shoal water / fix time interval relationship
3A
55
ENL receives ___
Emergency Navigation Laptop: receives manual inputs from DAGR
56
One prolonged blast
Getting underway, and making way
57
One prolonged blast every 2 min
Restricted visibility
58
One short blast
Altering course to Stbd
59
Two short blasts
Altering course to Port
60
Two prolonged blasts
Underway but Not making way
61
3 prolonged blasts
Going astern or in reverse
62
5 shorts blasts
Danger, stay away
63
6 short blasts
Man overboard
64
Collision
When one vessel runs into another
65
Allision
A vessel collides into anything other than a vessel
66
Aground
when a vessel runs into a navigation hazard: shoal water
67
Overtaking
A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam, that is, in such a position with reference to the vessel she is overtaking.
68
Stand on
Where one or two vessels keep out the way (give way vessel) and the other vessel shall keep the same course and speed (stand on).
69
Give way
Every vessel, which is directed to keep out of the way of another vessel shall, so far as possible, take early and substantial action to keep well clear
70
Swing Circle
The amount of distance the ship is allowed to swing from her anchored position
71
Drag Circle
A circle which shows when the ship is dragging. This is the amount of chain released plus the distance from the hawse pipe to the centerline pelorus.
72
Ships Height:
150.9ft
73
Hawsepipe to centerline Pelorus
156ft
74
Underway Navigation lights:
port(red)/stbd(green) running lights, fwd masthead light, aft masthead light and stern light (white)
75
In-port, moored:
aircraft warning lights, anchor lights, security lights
76
Engaged in special operations:
Depending on the operator. Normally red white red.
77
Not under command:
2 red lights.
78
Man overboard:
red over red pulsating
79
Anchored:
same as in port.
80
Aground:
2 red lights and an all around white light
81
Constrained By Draft:
3 red lights
82
Vessel at anchor:
1 ball *
83
Vessel not under command :
2 balls ** (vertical)
84
Restricted in ability to maneuver:
ball diamond ball *<>* (vertical)
85
Vessel aground:
3 balls *** (vertical)
86
Constrained by draft:
1 cylinder
87
Cases where ball equal red and diamond equal white
At Anchor, Restricted maneuverability, Not under command
88
Cases where shapes don't equal lights
Aground and Constrained by Draft
89
Binoculars: (BIG EYES)
used for visually detecting aicis to navigation especially small ones such as buoys, and in reading their identifying markings. MK 3 MOD 5
90
Stadimeter:
an instrument for measuring the distance of objects of known heights, between 50 and 200 ft, covering ranges from 200 to 10,000 yards. Used for UNREPS.
91
Sextant:
used to make a measurement of the angle between lines from the observer to a celestial body and to the horizon.
92
12 inch Incandescent Searchlight:
Used for morse code of to indicate MOB location at night.
93
Bearing circle:
used for finding the direction of terrestrial objects.
94
Telescopic alidade:
similar to a bearing circle except that the alidade circle mounts a telescope instead of the sighting vanes. MK2 MOD 6
95
Magnetic Compass:
DFGMC (Digital Flux Gate Magnetic Compass)
96
Fathometer:
Measures our ships depth. We have 2 repeaters. 1 in the chart room and 1 in the pilothouse by the QMOW station.
97
Laser Range Finder.
Special binoculars that display the Range of an object.
98
Telltale panel:
Display normal running lights
99
Deviation:
Difference between magnetic and the evrocompass,tranadnagilia..
m.).
100
Variation:
The difference between true north and magnetic north a
101
Officer of the Deck (OOD):
Represents the CO. Overall in charge of the bridge.
102
Junior officer of the Deck (JOOD):
Assists OOD; works the OOD out of his job. In charge of administration tasking and internal comms.
103
Conning Officer (CONN):
Safely maneuvers the ship by giving orders to the helm and lee
helm.
104
Boatswain's Mate of the Watch (BMOW):
Assist the OOD. Passes the word jaw the POD
105
Helmsman:
In charge of steering the ship ( course changes)
106
Lee Helmsman:
In charge of the throttles ( speed changes)
107
Quartermaster of the Watch (QMOW):
Represent the NAV, assists the OOD in overall navigation of the ship, and visual communications flags/morse code )
108
Lookout Net:
52
109
Navigation Net:
22
110
Radars:
primary: 67
111
ECDIS-N
Electronic Chart Display Information System - Navy
112
As one of the oldest Navy ratings, quartermasters have served aboard naval vessels since
1798, providing critical navigation skills, maintaining charts and oceanographic publications, and performing bridge watch duties ever since.
113
The colloquial form of address for a quartermaster is
"Wheels"
114
Were responsible for visual communications, and many of the personnel and their responsibilities were incorporated in the QM rating.
After 2004, the U.S. Navy disestablished the signalman rating (SM); signalmen.
115
The term appears to derive from the title of a German royal official, the ___ This term meant "master of quarters"
Alternatively, it could have been derived from ___ where the helmsman and captain controlled the ship.
The term appears to derive from the title of a German royal official, the "Quartiermeister." This term meant "master of quarters"
Alternatively, it could have been derived from "master of the quarterdeck" where the helmsman and captain controlled the ship.
