Sonar Walk Through Flashcards
WQC-6
-1 way encrypted communication from ship to sub
SQQ-89 A(V) suit
- 6 counsels
- 1 in CIC
- All interchangeable
- 2 modes of sonar
WQC-2 (Gertrude)
- underwater coms
- 2 way unsecured coms: ship to ship/ ship to sub/ sub to sub
UQN-4A
- Fathometer
- how deep the water is from the kheel (sonar dome is the bottom of the ship)
Where are the 3 repeaters for the Fathometer?
- bridge above the chart table
- chart table above the chart table
- combat above the “os” chart table
MMFTA
Multifunction Towed Array
- long range passive
- 660ft long
- 5600ft tow cable (5200ft deplorable)
How many fish does NIXIE have?
2
How many modes does NIXIE have?
6- swept, noise, alternating, pulse, random (acoustic)
1- non acoustic (magnetic influence countermeasure)
How long are each drogue and how many are there?
- 2
- 60ft for each
How long is the array?
37 inch
Where is the sonar dome located?
Fwd
What is the sonar dome pressurized to?
39.5 psig +2/ -0
What is the sonar do e filled with?
Fresh water
What is the sonar dome pressurized with?
Firemain
The MK 46 torpedo uses what as a propellant?
OTTO II fuel
What does SIMAS stand for?
Sonar In-situ Mode Assessment Systm
What is SIMAS used for?
Generate ranger predictions
What are the sub systems that make up the sonar suite?
AN/SQS-53C
AN/SQR-19B
AN/SQQ-28
MK-117 MOD 7
What’s the difference between active and passive sonar?
Passive we listen only and bearing is the only info that can be collected, active alerts others to our position and we can get relatively accurate range and bearing info
AN/SLQ-25 is what?
NIXXIE
What are the types of sonobuoys
53-F-DIFAR (pointer)
62D/E-DICASS (Cadillac)
77-VLAD (totempole)
What does the sonar dome house?
AN/SQS-53 transducer (576)
WQC-2A transducers (2)
What does XBT stand for?
ExpendablenBathythermograph
What is the range of the MK 46
Over 3,200 yards
What is the firing pressure for MK 32
1600 psi
How many torpedoes can a helo hold
2
