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SONAR Flashcards

0
Q

What is SCFS used for?

A

Processes, plots, and displays sonobuoy data to display underwater contacts.

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1
Q

What does SCFS stand for?

A

Surface Causs Functional Segment

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2
Q

What antennae does SCFS use?

A

ARR-75

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3
Q

How many sonobuoys can SCFS process at 1 time?

A

4

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4
Q

What kind of sonobuoy is AN/SQQ-36

A

Bathythermograph

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5
Q

What kind of sonobuoy is AN/SQQ-53?

A

Directional Frequency Analysis and Recording

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6
Q

What kind of sonobuoy is AN/SQQ-62?

A

Directional Command Activated Sonobuoy System

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7
Q

What is a BT used for?

A

Temperature vs. depth

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8
Q

What is DIFAR used for?

A

Passively tracking underwater contacts.

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9
Q

What is the code for DIFAR?

A

Pointer

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10
Q

What is DICASS used for?

A

Actively tracking underwater contacts.

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11
Q

What is DICASS called?

A

Cadillac

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12
Q

LAMPS MK III Helo

A

MH-60R

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13
Q

What does the ASTAC do?

A

Controls Helo and safety of flight operations

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14
Q

How many sonobuoys can the helo carry?

A

25

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15
Q

How many torpedoes can the helo hold?

A

3 with spare fuel tank removed

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16
Q

What kind of frequency is sonobuoy data received?

A

Radio

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17
Q

What antenna does the helo use?

A

AN/SRQ-4

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18
Q

What functional segment does the helo communicate with?

A

SCFS

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19
Q

What is hawklink?

A

Data link of ship and helo

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20
Q

What does ASFS stand for?

A

Acoustic Sensor Functional Segment

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21
Q

What is ASFS used for?

A

To search and track contacts.

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22
Q

What does ASFS use?

A

The Hull Array

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23
Q

What are the 2 modes of ASFS?

A

Active and Passive

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24
Q

What does Passive give?

A

Bearing

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25
Q

What does Active give?

A

Bearing, Range, Course, and Speed

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26
Q

Where does ASFS get it’s surface picture?

A

UCFS via C&D interface

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27
Q

Range of ASFS?

A

2.5-60 Kyds

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28
Q

What does TRAFS stand for?

A

Torpedo Recognition Alertment Functional Segment

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29
Q

What does TRAFS use?

A

The hull array

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30
Q

Is TRAFS active or passive?

A

Passive

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31
Q

What does TRAFS do?

A

Recognizes torpedoes and alerts operators

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32
Q

What does TRAFS look for?

A

High bearing rate contacts

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33
Q

What does MPA stand for?

A

Maritime Patrol Aircraft

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34
Q

Give a example of MPA?

A

P3. Orion

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35
Q

What is MPA used for?

A

Search and track underwater contacts

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36
Q

MAD capabilities?

A

Magnetic Anomaly Detection

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37
Q

What does UCFS stand for?

A

Undersea warfare fire Control Functional Segment

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38
Q

What does UCFS do?

A

Develops fire control solution on underwater contacts

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39
Q

What weapons does UCFS use?

A

SVTT and VLA

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40
Q

What UCFS weapon system is used for defense?

A

SVTT

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41
Q

What UCFS weapon system is used for offense?

A

VLA

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42
Q

3 modes of UCFS?

A

Tactical, Training, Test

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43
Q

Where is the UCFS console?

A

CIC

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44
Q

Who does UCFS work with?

A

ASWE, ASTAC, ASWC

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45
Q

Who does UCFS receive weapons engagements from?

A

ASWC

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46
Q

What does SVTT stand for?

A

Surface Vessel Torpedo Tubes

47
Q

What version of SVTT do we have?

A

MK 32 Mod 15

48
Q

What torpedoes do we have onboard?

49
Q

3 ways to fire a torpedo?

A

Remote: UCFS
Local: TSP
Emergent: from tubes

50
Q

What does TSP stand for?

A

Torpedo Settings Panel

51
Q

What degree is SVTT trained at?

52
Q

Firing pressure for torpedo tubes?

53
Q

What are the 2 delivery systems?

A

SVTT AND VLS

54
Q

What does VLS stand for?

A

Vertical Launch System

55
Q

What does VLS fire?

56
Q

What does VLA stand for?

A

Vertical Launch Asroc

57
Q

What does Asroc stand for?

A

Anti submarine Rocket

58
Q

Difference between a 46 and 54 torpedo?

A

46: analog
54: digital

59
Q

SVTT max range?

A

3,000 for 46

5,000 for 54

60
Q

VLA Range?

61
Q

What is the WQC-2 used for?

A

2 way comms.

Ship, sub, shore

62
Q

Is WQC-2 encrypted or not?

A

Unencrypted

63
Q

What are the 2 modes for WQC-2?

A

Voice or Morse

64
Q

Where is the WQC-2 remote unit located?

65
Q

How many transducers does WQC-2 use?

66
Q

What is WQC-2 called?

67
Q

What is SLQ-25C?

68
Q

What is NIXIE?

A

Towed Electronic Countermeasure

69
Q

Cable scope of NIXIE? Total and employable

A

Total: 2100ft
Deplorable: 1800ft

70
Q

What is the length of the drogue line?

71
Q

Towing restrictions?

A

Forward motion

72
Q

Deploy and retrieve speed?

A

10-15 knots

73
Q

What are the 5 modes of NIXIE? SNAPR

A 
Swept
Noise
Alternate 
Pulse 
Random
74
Q

Where is the NIXIE remote unit located?

A

Sonar Control

75
Q

What does NIXIE do?

A

Generates noise and magnetic field to decoy torpedoes

76
Q

What is WQC-6 called?

A

Probe Alert

77
Q

What is WQC-6 used for?

A

1 way comms

78
Q

Is WQC-6 encrypted or not?

79
Q

What is XBT?

A

Expendable Bathythermograoh

80
Q

Max depth for XBT?

81
Q

What functional segment is XBTs used for and why?

A

SPPFS for range predictions

82
Q

What does SPPFS stand for?

A

Sonar Performance Prediction Functional Segment

83
Q

What is SPPFS used for?

A

Range predictions, measure ships radiated noise, and provides optimal settings

84
Q

How many transducers are in the hull?

85
Q

How many gallons of water does the dome hold?

86
Q

What is the dome made of?

87
Q

Ships speed during dome casualties?

88
Q

Dome Pressure?

A

39.5 +2/-0

89
Q

What pressurized the dome?

A

Sonar dome pressurization system

90
Q

What does TCW stand for?

A

Trainer Center Workstation

91
Q

What is TCW used for?

A

Operator training using synthetic contacts and environments

92
Q

What is the AN/UQN-4A?

A

Fathometer

93
Q

What does the fatho provide?

A

Depth under sonar dome

94
Q

What are the 2 depth modes for the fatho?

A

Feet and Fathoms

95
Q

How many fatho settings are there?

96
Q

What are the settings for the fatho?

A 
600ft
600fathoms short
600fathoms long
6000fathoms short
6000fathoms long
97
Q

What are the sonar functional segments?

A

ASFS, ACIFS, CSSFS, SCFS, SPPFS, TRAFS, TCW, UCFS

98
Q

Steps of engagement for helo? 1-6

A
  1. Deploy sonobuoys
  2. Data transmitted to ARR-75
  3. Data processed by SCFS
  4. Helo told to engage with torpedo
  5. Helo launches torpedo
  6. Torpedo searches, acquires, and destructs
99
Q

Steps of engagement for ship (SVTT)? 1-4

A
  1. ASFS receives data
  2. Data sent to UCFS
  3. Launch order sent to tubes
  4. Torpedoes searches, acquires, and destructs
100
Q

Steps of engagement for ship (VLS)? 1-5

A
  1. Data received by ASFS
  2. Data sent to UCFS
  3. Launch order sent to VLS launcher
  4. VLA launched, torpedo deploys in water
  5. Torpedo searches, acquires, and destructs
101
Q

What’s the max effective range of sonar?

102
Q

How does USW interact with C&D?

A

All contacts sent to C&D from UCFS

103
Q

How does USW interact with CIC?

A

Contacts are controlled by ASWC and UCFS, comms, and C&D

104
Q

How does USW interact with hawklink?

A

Data and comms transmitted between helo and ship

105
Q

How does USW interact with Quiet Ship Bill?

A

Lowers counter detection ranges

106
Q

How does USW interact with EMCON?

A

Prevent submarines from detecting ship

107
Q

How does USW interact with Rules of Engagement?

A

Based on situation, says what to do for a hostile contact

108
Q

What safety precautions are observed when firing USW weapons?

A

Salvo alarm
Toxic gas dampers
Booster drop zone

109
Q

What is the salvo alarm?

A

Warning to stay away from missile decks

110
Q

What are toxic gas dampers?

A

Keeps toxic gas from entering ship

111
Q

What is the booster drop zone?

A

Where booster drops off VLA during flight

112
Q

What is a dud?

A

Signal sent to missile but does not light off

113
Q

What is a misfire?

A

No missile initialization

114
Q

What is restrained fire?

A

When missile lights off but doesn’t leave canister

ESWS Flashcards (15 decks)

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