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NZ Weapons > CIWS > Flashcards

CIWS Flashcards

Expanding knowledge on CIWS

1
Q

What does CIWS stand for?

A

Close-In Weapons System

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2
Q

CIWS Primary purpose?

A
  1. To provide defence against ASMs which penetrates the ship’s outer defence boundary.
  2. Anti-Air Warfare and defence against ASM’s.
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3
Q

CIWS Secondary purpose?

A

To provide for engagement of surface targets at close range

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4
Q

What type of Gun is the CIWS?

A

M61A1 20mm Vulcan cannon (6 barrels)

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5
Q

CIWS Rate of fire?

A

4,500 or 3,000 rounds per minute

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6
Q

Maximum Effective range in AAW mode?

A

2,000 yards

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7
Q

Burst Length?

A

Continuous, 1.2 or 2 seconds, 5-15 rounds

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8
Q

Max ammunition held?

A

1,550 rounds.

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9
Q

Search Radar Range?

A

15.5km

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10
Q

Track Radar Range?

A

8.2km

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11
Q

Mount Elevation?

A

-27 +80 degrees

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12
Q

Mount Training?

A

+ or - 155 degrees

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13
Q

What does ELX stand for?

A

Electronics Enclosure

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14
Q

What are the Ships Supply Requirements?

A

440V AC, 115V AC, Cooling water.

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15
Q

What does the 440V AC Supply?

A

ELX

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16
Q

What does the 115V AC Supply?

A

RCU and LCU

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17
Q

What does cooling water contain?

A

40% Klystron, 60% Water

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18
Q

There are four major components, what are they?

A
  1. Weapons Group
  2. ELX
  3. LCU
  4. RCU
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19
Q

On board a HMNZS ANZAC, where is the LCU located?

A

01J CIWS Equipment Room

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20
Q

On board a HMNZs ANZAC, where is the RCU located?

A

01E Ops Room

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21
Q

On board a HMNZs ANZAC, where is the ELX located?

A

02J CIWS/VLS deck

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22
Q

Maximum effective range in surface mode?

A

4,000 yards

23
Q

CIWS uses what to search for targets in surface mode?

A

Phalanx Thermal Imager (PTI)

24
Q

CIWS fires what type of rounds?

A

20mm tungsten sub-calibre penetrator with an aluminium pusher and discarding sabot.

25
Q

CIWS is designed to transition to track mode at what distance?

A

5,000 yards

26
Q

CIWS has 3 modes of fire, what are they?

A
  1. AAW Manual
  2. AAW Auto
  3. Surface
27
Q

What’s the difference between AAW Auto and AAW Manual?

A

After a recommended fire condition is received, the operator must depress the fire switch in AAW Manual.

28
Q

What does FFBNW stand for?

A

Fitted For But Not With

29
Q

True or False? Defence against air and small surface threats can be designated or fully autonomous.

A

False. Defence against small surface threats must be controlled from external designation.

30
Q

The CIWS subsystem has a fast reaction time that lets it automatically carry out what? (6)

A
  1. Search,
  2. Detection,
  3. Tracking,
  4. Threat Evaluation,
  5. Declaration of engageability,
  6. Engagement and engagement correction.
31
Q

The CIWS subsystem has 11 assemblies installed, what are they?

A
  1. Synchro Signal Amplifier,
  2. Synchro conversion junction box,
  3. Relay Box,
  4. Train Warning Bell,
  5. Impedance matching unit,
  6. Buzzer,
  7. Buzzer Switch,
  8. Illumination panel,
  9. Illumination panel lighting controller,
  10. Illumination panel junction box, and
  11. Power junction box.
32
Q

The CIWS subsystem has 5 assemblies FFBNW, what are they?

A
  1. Weapon group mount and drive assembly,
  2. Local Control Panel,
  3. Remote Control Panel,
  4. Parameter analysis storage system, and
  5. Test point selector unit.
33
Q

Where is the Synchro Signal Amplifier located?

A

01Jy2, CIWS equipment room

34
Q

Where is the Synchro Conversion Junction Box located?

A

01Jy2, CIWS equipment room

35
Q

Where is the Relay Box located?

A

01Jy2, CIWS equipment room

36
Q

Where is the Train Warning Bell located?

A

02J, VLS deck

37
Q

Where is the Impedance Matching Unit located?

A

01Jy2, CIWS equipment room

38
Q

Where is the Buzzer located?

A

01Ez, Operations room

39
Q

Where is the Buzzer Switch located?

A

01Ez, Operations room

40
Q

Where is the Illumination Panel located?

A

01Ez, Operations room

41
Q

Where is the Illumination panel lighting controller located?

A

01Ez, Operations room

42
Q

Where is the Illumination panel junction box located?

A

01Ez, Operations room

43
Q

Where is the Power junction box located?

A

01Jy4, CIWS local control room

44
Q

Give a physical description of the Synchro signal amplifier.

A

It’s a bulkhead-mounted unit that contains 400Hz to 60Hz conversion electronics, a heat sink installed at the top of the unit and a socket installed on the bottom. In addition, the front panel contains five lamp indicators, two fuses and a power control switch.

45
Q

Give a physical description of the Synchro Conversion Junction box.

A

It’s a bulkhead-mounted unit that contains a terminal strip and four cable glands at the top.

46
Q

Give a physical description of the Relay box.

A

It’s a bulkhead-mounted unit that contains a 24VDC relay and three cable glands on the left side.

47
Q

Give a physical description of the Train Warning Bell.

A

It’s a bulkhead-mounted unit that contains an electromechanical bell mechanism.

48
Q

Give a physical description of the Impedance Matching Unit.

A

It’s a bulkhead-mounted unit that contains a 125 ohm to 75 ohms balun and two cable glands at the bottom.

49
Q

Give a physical description of the Buzzer.

A

It’s a circular bulkhead-mounted unit that contains an electromechanical buzzer mechanism and two cable glands at the bottom.

50
Q

Give a physical description of the Buzzer Switch.

A

It’s a circular bulkhead-mounted unit containing an isolating switch.

51
Q

Give a physical description of the Illumination panel.

A

It’s installed on the remote control panel (FFBNW) and contains five lamps installed on an aluminium sheet that overhangs a status board.

52
Q

Give a physical description of the Illumination Panel lighting controller.

A

It’s a bulkhead-mounted unit hat contains a rectifier, a 0VDC to 6VDC voltage controller and two gland cables at the bottom.

53
Q

Give a physical description of the illumination panel junction box.

A

It’s a circular bulkhead-mounted unit that contains a tag strip, two cable glands at the bottom and a cable gland at the top.

54
Q

Give a physical description of the Power junction box.

A

It’s a circular bulkhead-mounted unit that contains a tag strip and two cable glands at the bottom.

NZ Weapons (2 decks)

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