Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MWOC Study > Gen Nav / Electronic Nav > Flashcards

Gen Nav / Electronic Nav Flashcards

1
Q

List the 3 types of radio navigation warnings

A
  1. NAVAREA warnings
  2. Coastal warnings
  3. Local warnings
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the reference to find distances to other places?

A

Admiralty Distance Tables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe the canal effect

A

Forces on a ship are intensified in a canal because water is both shallow and confined
- Suction can pull ship to one side (nearest to port or starboard bank)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Define eddies

A

Circular movements of war

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Define Eddies

A
  • Circular movements of water
  • Common near major ocean currents
  • Last for over 12 months
  • Can be warm or cold
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is Datum?

A

A coordinate system and a set of reference points used to locate places on the earth.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is WGS?

A

World Geodetic System, is a geodetic system used by GPS standard for use in chartography, geodesy, and navigation.

GPS is referenced to WGS 84

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is two electronic methods for recording bridge activity?

A

Digital Voice Recording System (DVRS)

NDS Voyage Data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the publication for the conduct of ships at sea?

A

Vol 4 of BR45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What factors make up CPA?

A

Range, Bearing and Time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does the loom of a light mean?

A

The glow observed from a light below the horizon or hidden behind an obstacle. It is due to atmospheric scattering.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What cardinal marker has two inverted triangles?

A

West Cardinal Marker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What type of marker has two red black balls, with a black line over a red line?

A

Isolated Danger Mark

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What type of marker has a red ball on top a white and red stripped marker?

A

Safe Water Mark

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of marker has a yellow X on top of a yellow marker?

A

Special mark

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What type of mark has a yellow + on top of a marker with blue and yellow stripes?

A

Emergency wreck marking buoy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the transfer for an alteration of course referring to?

A

Lateral distance moved at right angles to the original course.
- First measurement usually plotted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the intensity of a light mean?

A

The intensity of a light is its brightness

- Expressed in candelas or converted to nominal range

19
Q

What publication is for exercises using navigation?

A

BR45 Vol 5

20
Q

What is BR67 Vol 10 for?

A

Helmsmanship

21
Q

What is BR67 Vol 2 for?

A

Anchoring

22
Q

What is BR45 Vol 6 for?

A

Ship Handling

23
Q

What is BR45 Vol 7 for?

A

Handbook for the Navigators Yeoman

24
Q

What is BR67 Vol 4 for?

A

Towing

25
Q

List the three AFT publications and what each one contains?

A

AFTP 1 - Fleet general orders

AFTP 4 - Fleet training instructions

AFTP 9 - Australian Submarine Search and Rescue Instructions

26
Q

What does the FAS and FXP stand for and mean?

A

Fleet Activity Schedule - fleet units programs

Fleet Exercise Program - fleet weekly serials

27
Q

What does AFTP 4 contain?

A

Fleet Training Instructions

28
Q

What is BR67 Vol 6 for?

A

Replenishments at Sea (RAS)

29
Q

What is BR67?

A

Manual of Seamanship

30
Q

BR45 Vol 1?

A

Principles of Navigation

31
Q

BR45 Vol 2?

A

Astro navigation

32
Q

What is contain in NP735?

A

IALA Buoyage System

33
Q

What is BR45 Vol 9?

A

Operational Navigational Techniques

34
Q

What is BR45 Vol 3 for?

A

Navigation equipment and systems

35
Q

What does MARPOL do?

A

International Convention for the prevention of pollution from ships

36
Q

Manual of navigation?

A

BR45

37
Q

Who is the CN?

A

Vice Admiral Mark Hammond

38
Q

List the two navigation and seamanship publications

A

BR45 Vol 1-9 - Manual of navigation

BR67 - Manual of seamanship

39
Q

Define chart datum?

A

A reference from which measurements are made?

  • A level so low that the tide will not frequently fall below it.
  • At or near level of lowest astronomical tide (LAT)

Level below chart datum is known as the ‘charted depth’

40
Q

List the four tide levels and datum’s?

A

MHWS - 2 successive high waters during spring tides (MHHW)

MHWN - 2 successive high waters during neap tides (MHLW)

MLWN - 2 successive low waters during neap tides (MLHW)

MLWS - 2 successive low waters during spring tides (MLLW)

41
Q

State the predicted and average tidal level and datum

A

HAT/LAT - highest and lowest levels which can be predicted to occur under average met conditions

MSL - Average levels of the sea surface over a long period or the average level that would exist in the absence of tides

42
Q

Components of tidal flow?

A

Tidal stream and current

43
Q

Define tidal stream?

A

Periodic horizontal reversing movements of the water accompanying the vertical rising and falling of tides.

44
Q

Define current?

A
  • Non tidal movements of water
  • May flow steadily at all depths in the ocean
  • May have both horizontal and vertical components

MWOC Study (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions