USW

Question 1

What does sonar stand for

Answer 1

Sound navigation and ranging

Question 2

What are the two types of sonar

Answer 2

Active

Passive

Question 3

What make up the sonar suite

Answer 3

AN/SQS-53C Hull mounted sonar
AN/SQS-19B TACTAS
AN/SQS-28 sonobuoy  processor
MK 116 FCS
Auxiliaries

Question 4

What fills sonar dome

Answer 4

26,000 gal of fresh water

With a pressure of 39.5 psig

Question 5

How many feet in cable must remain on the drum when deploying full scope?

Answer 5

400 Ft

Question 6

How long is MFTA?

Answer 6

610 Ft

Question 7

How many modules make up MFTA?

Answer 7

Seven (7) modules

Question 8

How long is the tow cable between the MFTA and the winch?

Answer 8

5600 Ft

Question 9

What do we get from active sonar

Answer 9

Bearing

Range

Question 10

What do we get from passive sonar

Answer 10

Frequency

Bearing

Question 11

Define AN/SQS-53C

Answer 11

Multi mode
Hull mounted
Active and passive sonar system

Provides 360 deg of active and passive coverage

Question 12

How many element are apart of the 53C

Answer 12

576 acoustic

Arranged in columns of 8 elements to make 72 staves

Question 13

How long is the drouge

Answer 13

75ft

Question 14

Which antenna is used with over the side deployed sonobuoys

Answer 14

ARR-75 ship board sonobuoy receiver

Question 15

What torpedoes can we fire

Answer 15

MK 46
MK 54
VLA

Question 16

What is the MK of SVTT on board

Answer 16

MK 32

Question 17

What’s the other name for DIFAR

Answer 17

Pointer

Question 18

Define DIFAR

Answer 18

Passive only directional buoy

Question 19

What’s the other name DICASS is called

Answer 19

Cadillac

Question 20

Define DICASS

Answer 20

Directional command activated sonobuoy system

Question 21

What is the function of the MK 116

Answer 21

To solve the under water fire control problem and compute parameters for launching ASW weapons

Question 22

What fuel does the MK 46 use

Answer 22

Otto fuel

Question 23

What does SVTT stand for

Answer 23

Am surface vessel torpedo tubes

Question 24

How many torpedoes does a mount hold

Answer 24

3

Question 25

What are the air flask charged up to

Answer 25

1600pis

Question 26

How many torpedoes are in the torp mag

Answer 26

9

Question 27

Name the auxiliary systems of USW

Answer 27

``` WQC-2A WQC-6 UQN-4A XBT OBT UYQ-25B SIMAS TDSS SLQ-25C ```

Question 28

What is the other name for the WQC-2

Answer 28

Gertrude

Question 29

What is the function of WQC-2

Answer 29

Two way, underwater, sub to sub, sub to ship, and ship to ship, non secure, voice communication

Question 30

Where is the WQC-2 located

Answer 30

Main-sonar control Remote unit- under the CO's chair Electronic cabinet is located in SONAR

Question 31

Define the WQC-6

Answer 31

Probe alert One way,underwater,ship to sub, encrypted comms, utilizing the SQS-53C sonar array Located in sonar control

Question 32

Define the BQH-7A (XBT)

Answer 32

Expendable bathythermograh Provides sonar with the temperature vs depth profile measured down to 1500ft

Question 33

Define the UQN-4A

Answer 33

Used to provide water depth from the keel to bottom of the ocean in feet or fathoms

Question 34

What is the UQN-4A

Answer 34

Fathometer

Question 35

Where is the UQN-4A Fathometer located

Answer 35

Sonar control | With repeaters located in CIC, chart room, and the pilot house

Question 36

Where is the Fathometer transducer located

Answer 36

In FWD IC

Question 37

What does OBT stand for

Answer 37

On board trainer

Question 38

What is the function of OBT

Answer 38

Training device used to conduct real world and simulated environmental and USW tactical training Located in sonar control and CSER 2

Question 39

What is the UYQ-25B

Answer 39

SIMAS

Question 40

What does SIMAS stand for

Answer 40

Sonar in-situ mode assessment system

Question 41

What does TDSS stand for

Answer 41

Tactical decision support subsystem

Question 42

What is the function of TDSS

Answer 42

Data base management and target motion analysis

Question 43

What is the SLQ-25C

Answer 43

Nixie

Question 44

What is Nixie

Answer 44

Torpedo counter measure, streamed behind the ship Provides coverage for active and passive homing torpedoes

Question 45

What are the 6 modes of Nixie

Answer 45

``` Swept Noise Alternate Pulsed Random MICM ```

Question 46

What does MICM stand for

Answer 46

Magnetic influence counter measure

Question 47

Name the three sonobuoys we have

Answer 47

DIFAR DICASS VLAD

Question 48

What is the other name for VLAD

Answer 48

Totem pole

Question 49

What type of buoy is VLAD

Answer 49

Passive

Question 50

What does VLAD stand for

Answer 50

Vertical line array DIFAR

Question 51

Name three factors that affect sound speed

Answer 51

Temp 6 Salinity 4 Pressure 2