SONAR Flashcards
0
Q
What is SCFS used for?
A
Processes, plots, and displays sonobuoy data to display underwater contacts.
1
Q
What does SCFS stand for?
A
Surface Causs Functional Segment
2
Q
What antennae does SCFS use?
A
ARR-75
3
Q
How many sonobuoys can SCFS process at 1 time?
A
4
4
Q
What kind of sonobuoy is AN/SQQ-36
A
Bathythermograph
5
Q
What kind of sonobuoy is AN/SQQ-53?
A
Directional Frequency Analysis and Recording
6
Q
What kind of sonobuoy is AN/SQQ-62?
A
Directional Command Activated Sonobuoy System
7
Q
What is a BT used for?
A
Temperature vs. depth
8
Q
What is DIFAR used for?
A
Passively tracking underwater contacts.
9
Q
What is the code for DIFAR?
A
Pointer
10
Q
What is DICASS used for?
A
Actively tracking underwater contacts.
11
Q
What is DICASS called?
A
Cadillac
12
Q
LAMPS MK III Helo
A
MH-60R
13
Q
What does the ASTAC do?
A
Controls Helo and safety of flight operations
14
Q
How many sonobuoys can the helo carry?
A
25
15
Q
How many torpedoes can the helo hold?
A
3 with spare fuel tank removed
16
Q
What kind of frequency is sonobuoy data received?
A
Radio
17
Q
What antenna does the helo use?
A
AN/SRQ-4
18
Q
What functional segment does the helo communicate with?
A
SCFS
19
Q
What is hawklink?
A
Data link of ship and helo
20
Q
What does ASFS stand for?
A
Acoustic Sensor Functional Segment
21
Q
What is ASFS used for?
A
To search and track contacts.
22
Q
What does ASFS use?
A
The Hull Array
23
Q
What are the 2 modes of ASFS?
A
Active and Passive
24
What does Passive give?
Bearing
25
What does Active give?
Bearing, Range, Course, and Speed
26
Where does ASFS get it's surface picture?
UCFS via C&D interface
27
Range of ASFS?
2.5-60 Kyds
28
What does TRAFS stand for?
Torpedo Recognition Alertment Functional Segment
29
What does TRAFS use?
The hull array
30
Is TRAFS active or passive?
Passive
31
What does TRAFS do?
Recognizes torpedoes and alerts operators
32
What does TRAFS look for?
High bearing rate contacts
33
What does MPA stand for?
Maritime Patrol Aircraft
34
Give a example of MPA?
P3. Orion
35
What is MPA used for?
Search and track underwater contacts
36
MAD capabilities?
Magnetic Anomaly Detection
37
What does UCFS stand for?
Undersea warfare fire Control Functional Segment
38
What does UCFS do?
Develops fire control solution on underwater contacts
39
What weapons does UCFS use?
SVTT and VLA
40
What UCFS weapon system is used for defense?
SVTT
41
What UCFS weapon system is used for offense?
VLA
42
3 modes of UCFS?
Tactical, Training, Test
43
Where is the UCFS console?
CIC
44
Who does UCFS work with?
ASWE, ASTAC, ASWC
45
Who does UCFS receive weapons engagements from?
ASWC
46
What does SVTT stand for?
Surface Vessel Torpedo Tubes
47
What version of SVTT do we have?
MK 32 Mod 15
48
What torpedoes do we have onboard?
46 and 54
49
3 ways to fire a torpedo?
Remote: UCFS
Local: TSP
Emergent: from tubes
50
What does TSP stand for?
Torpedo Settings Panel
51
What degree is SVTT trained at?
45
52
Firing pressure for torpedo tubes?
1600PSI
53
What are the 2 delivery systems?
SVTT AND VLS
54
What does VLS stand for?
Vertical Launch System
55
What does VLS fire?
VLA
56
What does VLA stand for?
Vertical Launch Asroc
57
What does Asroc stand for?
Anti submarine Rocket
58
Difference between a 46 and 54 torpedo?
46: analog
54: digital
59
SVTT max range?
3,000 for 46
| 5,000 for 54
60
VLA Range?
3-18 Kyds
61
What is the WQC-2 used for?
2 way comms.
Ship, sub, shore
62
Is WQC-2 encrypted or not?
Unencrypted
63
What are the 2 modes for WQC-2?
Voice or Morse
64
Where is the WQC-2 remote unit located?
Bridge
65
How many transducers does WQC-2 use?
2
66
What is WQC-2 called?
Gertrude
67
What is SLQ-25C?
NIXIE
68
What is NIXIE?
Towed Electronic Countermeasure
69
Cable scope of NIXIE? Total and employable
Total: 2100ft
Deplorable: 1800ft
70
What is the length of the drogue line?
50ft
71
Towing restrictions?
Forward motion
72
Deploy and retrieve speed?
10-15 knots
73
What are the 5 modes of NIXIE? SNAPR
```
Swept
Noise
Alternate
Pulse
Random
```
74
Where is the NIXIE remote unit located?
Sonar Control
75
What does NIXIE do?
Generates noise and magnetic field to decoy torpedoes
76
What is WQC-6 called?
Probe Alert
77
What is WQC-6 used for?
1 way comms
78
Is WQC-6 encrypted or not?
Encrypted
79
What is XBT?
Expendable Bathythermograoh
80
Max depth for XBT?
1500ft
81
What functional segment is XBTs used for and why?
SPPFS for range predictions
82
What does SPPFS stand for?
Sonar Performance Prediction Functional Segment
83
What is SPPFS used for?
Range predictions, measure ships radiated noise, and provides optimal settings
84
How many transducers are in the hull?
576
85
How many gallons of water does the dome hold?
26,000
86
What is the dome made of?
Rubber
87
Ships speed during dome casualties?
5 knots
88
Dome Pressure?
39.5 +2/-0
89
What pressurized the dome?
Sonar dome pressurization system
90
What does TCW stand for?
Trainer Center Workstation
91
What is TCW used for?
Operator training using synthetic contacts and environments
92
What is the AN/UQN-4A?
Fathometer
93
What does the fatho provide?
Depth under sonar dome
94
What are the 2 depth modes for the fatho?
Feet and Fathoms
95
How many fatho settings are there?
5
96
What are the settings for the fatho?
```
600ft
600fathoms short
600fathoms long
6000fathoms short
6000fathoms long
```
97
What are the sonar functional segments?
ASFS, ACIFS, CSSFS, SCFS, SPPFS, TRAFS, TCW, UCFS
98
Steps of engagement for helo? 1-6
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
Steps of engagement for ship (SVTT)? 1-4
1. ASFS receives data
2. Data sent to UCFS
3. Launch order sent to tubes
4. Torpedoes searches, acquires, and destructs
100
Steps of engagement for ship (VLS)? 1-5
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
What's the max effective range of sonar?
60kyds
102
How does USW interact with C&D?
All contacts sent to C&D from UCFS
103
How does USW interact with CIC?
Contacts are controlled by ASWC and UCFS, comms, and C&D
104
How does USW interact with hawklink?
Data and comms transmitted between helo and ship
105
How does USW interact with Quiet Ship Bill?
Lowers counter detection ranges
106
How does USW interact with EMCON?
Prevent submarines from detecting ship
107
How does USW interact with Rules of Engagement?
Based on situation, says what to do for a hostile contact
108
What safety precautions are observed when firing USW weapons?
Salvo alarm
Toxic gas dampers
Booster drop zone
109
What is the salvo alarm?
Warning to stay away from missile decks
110
What are toxic gas dampers?
Keeps toxic gas from entering ship
111
What is the booster drop zone?
Where booster drops off VLA during flight
112
What is a dud?
Signal sent to missile but does not light off
113
What is a misfire?
No missile initialization
114
What is restrained fire?
When missile lights off but doesn't leave canister
