Combat Systems Flashcards
What does SONAR stand for?
Sound navigation and ranging
What in the BLR used SONAR?
Fathometer
What are the two modes of SONAR?
Active - sends out a ping
Passive- only listens
What affects SONAR operations?
Temperature, pressure, salinity,
Four types of RADAR detection
Air search
Surface search
Navigation
Fire control
Air search
Long range search for aircraft, used to intercept enemy aircraft
Surface search
Long range search for surface contacts and low flying aircraft
Navigation (RADAR detection)
Short range. Enhances navigation
Fire control (RADAR detection)
Directs gun mounts and missile launchers. Very accurate. 3-dimensional
Name all RADARs onboard and their type
SPS-40 air search SPS-67 surface search SPS-73 navigation Feruno navigation CIWS fire control
Maximum range of the SPS-40
184 nautical miles
Maximum range of the SPS-67
90 nautical miles
What does TACAN stand for?
Tactical air and navigation
What is the Fathometer?
It determined the depth of the water under the keel by measuring the time it takes for a sound signal to reach the bottom and return to the ship.
What are train circles?
Protection from moving antennas, gun mounts, and missile mounts
What are warning circles?
Protection from radiation
What does CSOOW stand for?
Combat systems officer of the watch
What is the purpose of CSOOW?
First response to electronic equipment casualty
What is CSMC?
Combat systems maintenance center
Where is CSOOW located?
Trans 2 (01-72-0-C)
What does IFF stand for?
Identify friend or foe
What two systems are capable of IFF?
SPS-40 and SPS-67
Who is the EMO?
LT Vinnet
What does HERO condition stand for?
Hazardous electromagnetic radiation to ordinance
What flag is flown during HERO?
Lima (black and yellow checkered)
What does CIWS stand for?
Close-in weapons system
How many CIWS mounts and where are they located?
Mount 2-1. 01 level FWD
Mount 2-2. 2nd deck AFT
How many types of radar does the CIWS gave and what are they?
- Search and track
What is the maximum and effective range of CIWS?
Max. Classified
Effective. 2 nautical miles
What type of rounds does the CIWS have?
20mm tungsten alloy
What is the total magazine capacity and rounds per minute of the CIWS?
1500 rounds
4500 rounds per minute
What targets does the CIWS engage?
Air targets moving in excess of 150mph
Where can the CIWS be fired from?
CIWS (manual)
Bridge
CIC
How many 240B mounts do we have and where are they located?
Port FWD super structure
STBD FWD super structure
What is the rate of fire for the 240B?
650-1000rpm
What is the max and effective range of the 240B?
Max 4000yds
Effective 1900yds
What type of rounds does the 240B use?
NATO 7.62mm
How many 25mm chain guns do we have and where are they located?
Port FWD super structure
STDB FWD super structure
What is the maximum and effective range of the 25mm chain gun?
Max 8500yds or 4.1mi
Effective 2700yds
What is the total magazine capacity and rounds per minute of the 25mm chain gun?
175 rounds
175rpm
What kind of ammunition does the 25mm use?
HEI-T
TP-T
APSD-T
What powers the 25mm?
24v power supply (directly hard wired into the ships electrical system)
What does the 25mm use for targeting?
Electronic optical sight
Laser-range Finder
FLIR
How many 50cal machine guns do we have and where are they located?
6
3 on both port and starboard
What is the maximum and effective range of the 50cal
Max 7400yds
Effective 2000yds
What is the rate of fire for the 50cal?
550rpm
How many rounds does the mag. Box for the 50cal hold?
100 rounds per box
What kind of ammunition does the 50cal use?
API-T
How many 40mm saluting battery guns do we have on board and where are they?
2
Port and starboard aft bridge wings
What are the 4 positions when using the 40mm saluting battery guns?
Loader
Shooter
Timer/counter
Safety observer
What does SRBOC stand for?
Super rabid blooming off board chaff
Where can the SRBOC be fired from?
CIC
Bridge
What does RLGN Stand for?
Ring laser gyro navigator
What is the nomenclature for the RLGN?
AN/WSN-7
How many WSN-7s do we have onboard and where are they?
2
Fwd and aft IC
What power sources foes the WSN-7 use?
115vac, 400hz, 3 phase
What computer controls both fwd and aft WSNs and where is it?
RCDU (remote control display unit)
Aft IC
What does the WSN-7 output?
Ship position (lat-long)
Velocity (not speed)
Heading
Pitch and roll
What is the purpose of ship gyros as it relates to weapons systems?
Provide pitch/roll/heading allowing system to train to a target while ship is moving
What is the purpose of the ships under water log (WSN-9) and where is it?
Provides the ship speed (knots) and distance traveled data to a variety of user systems and remote indicators.
Located in fwd IC
What is another name for the pit sword and where is it?
Rod meter
Through a hatch on the deck in fwd A/C
What is the put sword made of?
Fiberglass and stainless steel
What is the purpose of the sea valve?
Prevent flooding and provide water tight support for the pit sword
When do we remove the pit sword from the water and why?
When pulling in and out of port
So it doesn’t snag and break when in shallow water
What does the pit sword provide?
Speed
Distance traveled
When the pit sword is removed from the water, what provides ship speed?
Dummy log on the WSN-9
How does the dummy log work?
Manual input using shaft’s rpm to equal speed in knots
Where is the dummy log?
Engine room EOS (enclosed operating station)
What is the difference between 2D and 3D radars?
2d provides range and bearing
3d provides range, beating and altitude
What does MOBI stand for?
Man overboard indicator
What does MOBI do?
Provides relative bearing to life jackets, life rings, and small boats that are equipped with mobi transmitters
Where is mobi located?
Port and starboard bridge wings
What is SGSI?
Stabilized glide scope indicator
What does SGSI do?
Used a 3-color indicator to provide pilot’s relative altitude info in relation to height of flight deck
What does TLAM stand for?
Tomahawk land attack missile
State the purpose of fire control
To place ordinance on target on time
What are the two warfare areas that utilize naval gun systems?
Surface and air warfare
What are the four areas that utilize naval missile systems?
Air
Surface
Undersea
Strike warfare
Name some ships that would primarily carry TLAM and what launching system it uses?
Destroyers, cruisers, submarines
Vertical launch systems (VLS)
What is hang fire?
Delay in firing after the firing sequence is initiated.
What is misfire?
Does not fire after the firing sequence is initiated
What is a hot gun?
Predetermined amount of rounds fired in a predetermined amount of time that could cause a barrel and chamber to heat up enough to cause a cook off
What are the 4 components of a weapon system? (4 Ds)
Detection
Direction
Delivery
Destruction
Detection
Ships radar systems, locating the target
Direction
Ship weapons system pedestal, aiming the fire control equipment at the target
Delivery
Ship weapons system launching mechanism, launching or firing if ordinance
Destruction
Ordinance, the ordinance striking the target
What are the 9 types of five inch rounds that the navy has?
HE-MT PD HE-PD HE-CVT HE-VT HE-IR VT Non-frag RAP BL&P WP
What are the safety precautions for safety handling and entering magazines?
No spark producing items Battle dress No covers Remove belt buckles No horse play
What is a harpoon missile?
Medium range, all weather, low altitude, subsonic, over the horizon, fire and forget anti-ship cruise missile
Launched by ships, subs, and aircraft
What is a tomahawk missile?
Long range, all weather, subsonic, land attack cruise missile or TASM
Launched by ships, subs, aircraft, and TLAM
What is the ARSOC?
Anti-submarine rocket Launched from VLS Primary USW onboard destroyers and cruisers Unguided ballistic missile Has an MK-46 torpedo attached
What are the standard missiles and what are the variants?
Defensive missiles, used to shoot down other ballistic missiles and aircraft
SM-1 (MR)
SM-2 (MR)
SM-2 (ER)
Describe the MK-46 torpedo
Deep diving, salt water activated, capable of multiple re-attacks
What does the CSRO do?
Combat systems readiness officer
Liaison for TAO in regards to combat systems equipment readiness
What does RADAR stand for?
Radio detection and ranging