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Nimrod MRA4  
Initial Operational Capability (IOC): 2009
Maiden Flight: 10 September 2009
Total Production: ?
Unitary Cost: USD$170 million
Also Known As: Nimrod 2000
Origin: United Kingdom
Corporations: BAE Systems
Parent System: Nimrod
Initial Operational Capability (IOC): 1969
Total Production: 46
Family Members: Nimrod R1
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Description: The Nimrod evolved from Comet airliner as a maritime surveillance aircraft. The Nimrod MR1 entered service in 1969 with 46 aircraft ordered by the Royal Air Force (RAF). In 1975 the RAF started the MR2 modernization program which upgraded 32 existing MR1 aircraft to the MR2 standard.

The Nimrod MR2 aircraft were capable of performing anti-submarine, anti-ship and Search and Rescue (SAR) missions. It was fitted with radar, Magnetic Anomaly Detector (MAD) and acoustic detection equipment to match the three mission profiles goals.

In July 2004, the Ministry of Defense awarded BAe Systems a £2 billion contract for Nimrod 2000 modernization program intended to extend Nimrod MR2 fleet service life well into the 21st century. As a result of Nimrod 2000, the MRA4 (Nimrod Maritime Reconnaissance and Attack Mark 4) emerged as a new standard to be applied to 21 existing Nimrod MR2 aircraft. According to BAE systems, Nimrod MRA4 will be over 80% a brand new aircraft.

The Nimrod MRA4 features 4 new BR710 engines, glass-cockpit, multi-mode pulse Doppler radar, Airbus A340 technology, Electronic Support Measures (ESM), Defensive Aids Subsystem, Acoustic systems, electro-optical surveillance and detection systems, Magnetic Anomaly Detector (MAD), and communications management system.

The MRA4 weapon system includes mines, bombs, torpedoes and missiles such as ASRAAM or AGM-84 Harpoon. The inaugural flight took place on August 26, 2004, at BAE Systems' Woodford site, near Manchester. The first MRA4 was dubbed PA01 and performed as expected during the flight. PA02 and PA03 aircraft are expected to fly in late 2004 and summer 2005.

The United Kingdom Ministry of Defense (MoD) current fleet requirement is for around 12 MRA4 aircraft rather than 21 or 18 as previously planned with an initial operational capability projected by 2009. On March 11, 2005, the UK Minister for the Armed Forces, Adam Ingram, announced that the Nimrod MRA4 will be based at RAF Kinloss until at least 2013.

On 18 July 2006, the UK Ministry of Defense awarded BAE Systems a £1.1 billion contract for the production of 12 Nimrod MRA4 aircraft to be delivered to the Royal Air Force from 2009. These airplanes will replace current Nimrod MR2s. The MRA4 surveillance aircraft program was cancelled and replaced by three Rivet Joint aircraft.

Nimrod MRA4 Specifications

Crew: 10
Number of Engines: 4
Dimensions
Height: 9.14 meter (30.0 foot)
Length: 38.7 meter (127 foot)
Wingspan: 38.7 meter (127 foot)
Performance
Ceiling: 12,800 meter (41,995 foot)
Max Range: 10,900 kilometer (5,886 nautical mile)
Speed
Top Speed at High Altitude: 256 mps (498 KTAS)
Time
Flight Endurance: 15 hour (0.63 day)
Service Life: 30 year
Weight
Empty Weight: 46,500 kilogram (102,513 pound)
Max Takeoff Thrust: 59,600 pound (27,035 kilogram)
Max Takeoff Weight: 107 ton (235,317 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Nimrod MRA4 News

There are 10 news between
21 Jul 2004 and 25 Mar 2016
Friday, March 25, 2016FMS: UK Requests Sale of Nine P-8A Poseidon Maritime Patrol Aircraft
Tuesday, October 19, 2010United Kingdom Releases its Strategic Defence and Security Review
Wednesday, March 31, 2010Last Nimrod MR2 Performs Final Flight
Friday, September 11, 2009First Production Nimrod MRA4 Takes to the Skies
Monday, August 10, 2009Royal Navy, RAF and BAE Systems Sign 10-Year Contract for Spearfish and Sting Ray Torpedoes
Thursday, November 27, 2008First Nimrod MRA4 Aircraft Powered Up for the First Time
Tuesday, August 14, 2007Nimrod MRA4 Developmental Aircraft Passes Lightning Strikes Tests
Tuesday, July 18, 2006Nimrod MRA4 Production Gets Approval
Tuesday, May 30, 2006Nimrod MRA-4 New Sensor Undergoing Flight Tests
Wednesday, July 21, 2004Future British Armed Forces Takes Shape

Operators & Related Equipment


OperatorsItems
United Kingdom12
YearHoldings
200817Nimrod
200718Nimrod
200619Nimrod

Grand Total 121
Defensive Weapons
AIM-132 ASRAAM
Sting Ray
Offensive Weapons
AGM-84D Harpoon
Protection Systems
DASS-2000
Sensor Systems
EOSDS
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