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ESWS Charles > Underwater Warefare > Flashcards

Underwater Warefare Flashcards

1
Q

How long is MFTA?

A

610 feet long

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2
Q

What is the Hull Array pressurized with and at what pressure?

A

Firemain @ 39.50 PSIG (+2/-0)

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4
Q

How long is the drogue on MFTA?

A

150 foot long drogue

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5
Q

AN/SQS-53 (Hull Array) is located where?

A

The HULL ARRAY is located inside the SONAR DOME.

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6
Q

What is SLQ-25C?

A 
Nixie
• 2 Fish 4 ft each 
• Deployable 1800 ft
•5 modes of operation
   •Sweep
   •Noise 
   •Alternate 
   •Pulse
   •Random
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7
Q

The SONAR DOME is filled with what?

A

Filled with FRESH WATER

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10
Q

What does SCFS stand for?

A

Surface Common Functional Segment

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11
Q

What does CAUSS stand for?

A

Common Airborne Undersea Warfare Sonobouy System.

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12
Q

What does SCFS do?

A

It is a Sonobouy processing system.

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13
Q

How many gallons of fresh water are used in the Sonar Dome?

A

Filled with 26,000 gallons of fresh water

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14
Q

What is used to process the SCFS information via Ship

A

ARR-75 provides capability to process via ship over the side can process up to 4 bouys within line of sight

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15
Q

What is used to process the SCFS information via Helo?

A

SRQ-4 provides capability to process via Helo ops and can process up to 8 bouys

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16
Q

What are the Two types of Sonobouys?

A

DIFAR-53F (pointer) passive bouy used for redetection submarines position
DICASS-62E (Cadillac) active bouy used when ready to fire torpedo at submarine

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18
Q

What is used as ACTIVE processing of underwater data?

A

MFAFS (Mid Frequency Active Functional Segment)

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19
Q

What is WQC-6?

A

Probe Alert
•Secure underwater One way comms
•Located in SONAR control

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20
Q

What are the 5 Modes of NIXIE

A

5 Modes

S-Sweep
N-Noise
A-Alternate 
P-Pulse
R-Random
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21
Q

What data does MFAFS provide?

A

Provides Range, Course, Speed , and Bearing of contact

22
Q

What’s one big problem with using MFAFS?

A

It can give our ships position

23
Q

What does XBT do?

A

Measures water temperature vs depth

24
Q

What does XBT stand for?

A

Expendable Bathythermograph

25
Q

UCFS stands for what?

A

Underwater Fire Control Functional Segment

26
Q

UCFS is what portion of A(V)15 Sonar Suite?

A

It is the Fire Control Portion

27
Q

Where is the UCFS Console located?

A

Console located in CIC and Accessible drone Sonar Control

28
Q

DICASS-62E (Cadillac) is used for what?

A

Active bouy used when ready to fire torpedo at submarine

30
Q

What is SVTT? How many do we have?

A

Surface Vessel Torpedo Tubes

3 Port 3 Starboard

31
Q

How far does SVTT have to be trained out in order to fire?

A

45 Degrees

32
Q

What are the ways you can fire SVTT?

A
  • Can fire remotely from UCFS Console
  • Locally from Torpedo Setting Panel (TSP)
  • Emergency from the torpedo tube itself
33
Q

What PSI must the Flask be charged to in order to fire the torpedo tubes?

A

1650 PSIG (+100/-100)

34
Q

What are the types of TORPEDOES are used?

A
  • Mk46 Torpedo

* Mk54 Torpedo

35
Q

What is another name for WQC-2A and what is it?

A

Gertrude- Two way unsecured underwater comms

36
Q

Where is WQS-2A Located?

A

Sonar Control and the Bridge

37
Q

There are two transducers for Gertrude where are they located?

A

In the Sonar Dome

38
Q

What is another more common name for UQN-4A?

A

Fathometer

39
Q

What does UQN-4A (Fathometer) display?

A

It Displays water depth in feet or Fathoms (FMS)

40
Q

Where is the Main Fathometer unit located and where are the repeaters located?

A
  • Main unit is located in Sonar Control
  • Repeaters located in
    • CIC
    • Chart Room
    • Bridge
41
Q

DIFAR-53F (Pointer) is used for what?

A

Passive bouy used for redetection of submarines position

43
Q

What does SONAR stand for?

A

Sound Navigation and Ranging

45
Q

How many Feet are in a Fathom?

A

6 Feet equals 1 Fathom

50
Q

What does MFTA stand for?

A

Multi-Function Towed Array

56
Q

What is the distance of the cable scope on MFTA?

A

The cable scope is 5600 ft

But is only deploy able to 5200 ft

60
Q

AN/SQQ89A(V)15 SONAR Suite is used for what?

A

Used for passive and active operations.

66
Q

What does MFAFS stand for?

A

Mid frequency Active Segment

ESWS Charles (7 decks)

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