Sonar Flashcards

1
Q

What type of torpedoes does Momsen carry onboard?

A

MK 46

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2
Q

What are the 3 ways Momsen can launch a torpedo at a sub?

A

VLA (Vertical Launch ASROCs)
SVTT (Surface Vessel Torpedo Tubes)
Helo - SH60R Seahawk

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3
Q

What is the proword for the WQC-2?

A

Gertrude

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4
Q

What is the pro word for the WQC-6?

A

Probe Alert

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5
Q

What does WQC-2 (Gertrude) provide?

A

2 way ship to ship and ship to sub comms.

Non-encrypted and non-secure

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6
Q

What does WQC-6 (Probe Alert) provide?

A

1 way ship to sub comms.

Encrypted and secure; located in SONAR control

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7
Q

What is Momsen’s torpedo countermeasure system called?

A

NIXIE or AN/SLQ-25C

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8
Q

How many feet of cable are on each NIXIE winch?

A

2,100 ft

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9
Q

What is the common name for the UQN-4A?

A

Fathometer

U for Underwater

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10
Q

How many repeaters are there for the Fathometer and where are they located?

A

(3 total)
CIC
Bridge
Chart room

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11
Q

What information does the Fathometer provide for the ship?

A

Depth of the ocean below the keel of the ship

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12
Q

What is the nomenclature for Momsen’s SONAR system?

A

AN/SQQ-89(V)15

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13
Q

What is the preferred method of attack when we want to attack a submarine?

A

Have the helo drop a torpedo

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14
Q

How many torpedoes can each helo carry?

A

2

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15
Q

What does OBT stand for and what does it do for the ASW team?

A

Onboard Trainer; provides the ability to conduct ASW training by simulating contacts

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16
Q

What does XBT stand for?

A

Expendable Bathythermograph

17
Q

What do XBTs do?

A

It reads depth from the surface down to 1500 feet

18
Q

What are the 5 modes of NIXIE?

A
  1. Sweep
  2. Noise
  3. Alternating
  4. Pulsating
  5. Random