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Author Topic: Biggest Aircraft carrier- Nimitz  (Read 4277 times)

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Biggest Aircraft carrier- Nimitz
« on: April 23, 2010, 06:31:08 PM »

Biggest Aircraft carrier- Nimitz




















Specifications


The Nimitz Class aircraft carriers are the largest warships ever built. With over 6,000 personnel (crew and aircrew), the carrier has a displacement of 102,000t, and a flight deck length of 332.9m. All nine nuclear-powered Nimitz Class carriers have been built by Newport News Shipbuilding (now Northrop Grumman Ship Systems), based in Virginia.

Tasked with a multi-mission attack / ASW role, the first of class, USS Nimitz, was commissioned in 1975. The latest, USS Ronald Reagan (CVN 76), was commissioned in July 2003.

Design

The more recent Nimitz Class carriers (CVN72-CVN76) have a displacement of 102,000t when fully loaded. They have a length of 317m and beam of 40.8m.

The carrier reaches a maximum speed of over 30kt, and accommodates a complement of 3,184 personnel (with 203 officers); 2,800 aircrew (with 366 officers); and 70 flag (with 25 officers).

Aircraft
"The Nimitz Class nuclear-powered aircraft carriers are the largest warships ever built."

The 50 TACAIR air wing includes up to 82 aircraft. Typically this would be: 12 F/A-18E/F Hornets, 36 F/A-18 Hornets, four E-2C Hawkeyes, and four EA-6B Prowlers fixed-wing; and the following helicopters: four SH-60F and two HH-60H Seahawks. The carrier can also deploy S-3B Viking aircraft, but these are being phased out and replaced with the F/A-18E/F Super Hornet. The S-3B Viking is to be finally decommissioned in 2009.

The last operational deployment of the F-14, deployed on US carriers since 1972, was in March 2006. The F-14 was decommissioned in September 2006.

Air wings can be varied according to the nature of the operation: for example, in 1994, 50 army helicopters replaced the usual air wing on the USS Dwight D Eisenhower during operations off Haiti.

The flight deck measures 333m x 77m and is equipped with four lifts, four steam-driven catapults and four arrester wires. The carrier is capable of launching one aircraft every 20 seconds.

In April 2005, the US Naval air systems command (NAVAIR) selected General Atomics Electromagnetic Systems for the system development and demonstration (SDD) phase of the advanced arresting gear (AAG) programme, to provide a new arrestor system for USN carriers.

Missiles

The more recently built carriers are armed with three Raytheon GMLS mk29 eight-cell launchers for Nato Sea Sparrow surface-to-air missiles. Sea Sparrow has a range of 14.5km and semi-active radar terminal guidance.
"The flight deck measures
333m x 77m and is equipped with four lifts."

The carriers are also being fitted with the Raytheon RAM (rolling airframe missile) system, which provides short-range defence against incoming anti-ship missiles including sea-skimming missiles.

USS Stennis was fitted with RAM in 2005 and began firing trials of the system in June 2006. One Sea Sparrow mount and one Phalanx CIWS mount were removed to fit the RAM.

USS John C Stennis was the first carrier to fire the evolved Sea Sparrow missile (ESSM) in October 2008.

Guns

There are four Raytheon / General Dynamics 20mm Phalanx six-barrelled Mk 15 close-in weapon systems which have a firing rate of 3,000 rounds/min and a range of 1.5km.

Countermeasures

Decoys include four Sippican SRBOC (super rapid bloom off-board chaff) six-barrelled mk36 decoy launchers, which deploy infrared flares and chaff, SSTDS torpedo defence system and AN/SLQ-25 Nixie torpedo countermeasures system, from Argon ST of Fairfax, Virginia.

The Raytheon AN/SLQ-32(V) electronic warfare system detects hostile radar emissions by two sets of antennae and the system analyses the pulse repetition rate, the scan mode, the scan period, and the frequency. The system identifies the threat and direction, provides a warning signal and interfaces to the ship's countermeasures systems.

Combat systems

The carriers' combat data systems are based around the block 0 or 1 naval tactical and advanced combat direction system (ACDS) with communications links 4A, 11, 14, and 16. Weapons control is managed by three mk91 mod 1 MFCS directors for the Sea Sparrow missile.

USS Nimitz, USS Ronald Reagan and USS John Stennis have been fitted with the SSDS mk2 mod 0 ship self-defence system, developed by Raytheon. The SSDS will provide automated self-defence against anti-ship cruise missiles (ASCMs) by integrating and coordinating the ship's weapon and electronic warfare systems.
"The Raytheon AN/SLQ-32(V) electronic warfare system detects hostile radar emissions by two sets of antennae."

USS Nimitz has also been fitted with the Lockheed Martin TIS (tactical input segment) digital reconnaissance processing system, which can receive real-time imagery from airborne sensors.

Sensors

Air search radars include the ITT SPS-48E 3-D, operating at E/F-band; Raytheon SPS49(V)5, C/D-band; and Raytheon mk23 TAS, D-band. Surface search radar is the Northrop Grumman Norden Systems SPS-67V, operating at G-band.

Propulsion

The nuclear-powered carrier has two General Electric pressurised water reactors driving four turbines of 260,000hp (194MW) and four shafts. There are four emergency diesels of 10,720hp (8MW).


Refernce -http://www.naval-technology.com/projects/nimitz/

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Biggest Aircraft carrier- Nimitz
« on: April 23, 2010, 06:31:08 PM »

Offline Kudrat Kaur

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Re: Biggest Aircraft carrier- Nimitz
« Reply #1 on: April 23, 2010, 07:02:37 PM »
nice aa ji gud information...I like huge stuff but i dont like wars..... :nthg:

Offline Kerfufle

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Re: Biggest Aircraft carrier- Nimitz
« Reply #2 on: April 23, 2010, 07:06:47 PM »
In san diego they turned one of these things into a museum.

Offline Insane

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Re: Biggest Aircraft carrier- Nimitz
« Reply #3 on: April 23, 2010, 07:18:29 PM »
oh that jet plane reminded me, a guy once got sucked into its engine, while it, jet, was about to launch, (jet in the fourth picture)
 

here is a footage:
Sucked Into Jet Engine

Offline Kudrat Kaur

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Re: Biggest Aircraft carrier- Nimitz
« Reply #4 on: April 23, 2010, 07:33:15 PM »
In san diego they turned one of these things into a museum.


really...whats the name of museum...I am going to SanDiego next month..wud like to visit...

Offline _._

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Re: Biggest Aircraft carrier- Nimitz
« Reply #5 on: April 23, 2010, 07:35:47 PM »
pendu veere thats a old video tusi bi na angrez aa

Offline Insane

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Re: Biggest Aircraft carrier- Nimitz
« Reply #6 on: April 23, 2010, 07:51:13 PM »
pendu veere thats a old video tusi bi na angrez aa
han bai mainu patta, per vesye he mainu oho jet dekh k yaad aageya te video post karti  :hehe:

Offline Kerfufle

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Re: Biggest Aircraft carrier- Nimitz
« Reply #7 on: April 23, 2010, 09:29:20 PM »

really...whats the name of museum...I am going to SanDiego next month..wud like to visit...


http://www.midway.org/

Offline Nav Braich

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Re: Biggest Aircraft carrier- Nimitz
« Reply #8 on: April 24, 2010, 12:20:12 AM »
grT A Eh KIshti ta.. :lol:

Offline Jhanda_Amli

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Re: Biggest Aircraft carrier- Nimitz
« Reply #9 on: April 25, 2010, 03:52:33 PM »
oh that jet plane reminded me, a guy once got sucked into its engine, while it, jet, was about to launch, (jet in the fourth picture)
 

here is a footage:
Sucked Into Jet Engine


Holy Mac.. This was Serious...  :surp: :surp:

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Re: Biggest Aircraft carrier- Nimitz
« Reply #10 on: April 25, 2010, 05:00:32 PM »
Holy Mac.. This was Serious...  :surp: :surp:
that guy survived, i think he is still living, cuz when he got sucked into the engine, his helmet got sucked into the engine first which messed up the engine and stop it.
blessings from the helmet God..  :happy:

Offline ஜღ RaJღஜ

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Re: Biggest Aircraft carrier- Nimitz
« Reply #11 on: May 11, 2010, 09:04:47 AM »
nice ah veer ....par i think ke jede passenger ship honde oho enna nalo wadhe honde ah ...kiyon ke main vekhe ah ..par sayad.


 

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