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General Info

 Hawker Siddeley Nimrod MRA.4


General information
Type Maritime patrol aircraft
National origin United Kingdom
Manufacturer Hawker Siddeley
BAE Systems
Primary user Royal Air Force
Number built 49 (+2 prototypes)
History
Introduction date 2 October 1969
First flight 23 May 1967
Retired 28 June 2011
Developed from de Havilland Comet
Variants Nimrod R.1
Nimrod AEW.3
Nimrod MRA.4
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History de Havilland Aircraft Company Hawker Siddeley Nimrod Introduction date 2 October 1969 First flight 23 May 1967



Designed in response to a requirement issued by the Royal Air Force (RAF) to replace its fleet of ageing Avro Shackletons, the Nimrod MR1/MR2s were fixed-wing aerial platforms primarily for anti-submarine warfare (ASW) operations; secondary roles included maritime surveillance and anti-surface warfare. It served from the early 1970s until March 2010. The intended replacement was to be extensively rebuilt Nimrod MR2s, designated Nimrod MRA4. Due to considerable delays, repeated cost overruns, and financial cutbacks, the development of the MRA4 was abandoned in 2010

Design

The open bomb bay of a Nimrod

The Hawker Siddeley Nimrod is a retired maritime patrol aircraft developed and operated by the United Kingdom. It was an extensive modification of the de Havilland Comet, the world's first operational jet airliner. It was originally designed by de Havilland's successor firm, Hawker Siddeley; further development and maintenance work was undertaken by Hawker Siddeley's own successor companies, British Aerospace and, later, BAE Systems...

Nimrod MRA4 during a test flight

Design

The aircraft would also have been used in the civilian search and rescue role; the Nimrod MR2 had often been used in this role. In this respect the Strategic Defence and Security Review stated that the UK "will depend on other maritime assets to contribute to the tasks previously planned for [the Nimrod MRA4]".

Nimrod airframes being broken up for scrap in January 2011
Following the cancellation, the Defence Secretary Liam Fox used the Nimrod MRA4 procurement as an example of the worst of MOD procurement performance: "The idea that we ever allow ourselves into a position where something that was originally Nimrod 2000 – where we ordered [21] was reduced to nine, spent £3.8bn and we still weren't close to getting the capability – is not to happen again. Nevertheless, six ex-defence chiefs publicly criticised the decision to scrap the Nimrods in January 2011 and the Public Accounts Committee concluded in February 2012 that the decision had been made without a proper understanding of the cost implications and had wasted £3.4bn.. [
 

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Hawker Siddeley Aircraft

Hawker Siddeley Aircraft
Hawker Siddeley Nimrod Introduction date 2 October 1969 First flight 23 May 1967

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General Info

        • Crew: 13
        • Capacity: 13,500 lb (6,123 kg)
        • Length: 126 ft 9 in (38.63 m)
        • Wingspan: 114 ft 10 in (35.00 m)
        • Height: 31 ft (9.4 m)
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Powerplant

        • Empty weight: 86,000 lb (39,009 kg)
        • Max takeoff weight: 192,000 lb (87,090 kg)
        • Fuel capacity: 85,840 lb (38,936 kg)
        • Powerplant: 4 × Rolls-Royce Spey turbofan engines, 12,160 lbf (54.1 kN) thrust each
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Performance

    • Maximum speed: 930 km/h
    • Cruise speed: 789 km/h
    • Range: 4,501–5,001 nmi (5,180–5,755 mi, 8,336–9,262 km)
    • Service ceiling: 43,999 ft (13,411 m)
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Armament

      • Hardpoints: 2× under-wing pylon stations and an internal bomb bay with a capacity of 20,000 lb (9,100 kg), with provisions to carry combinations of:
Special Links Hawker Siddeley Aircraft

Links to Youtube & Others

The Hawker Siddeley Aircraft Nimrod maritime patrol aircraft was an extensive modification of the De Havilland 106 Comet 4. On 4 June 1964, the British Government issued Air Staff Requirement 381, which sought a replacement for the aging Avro Shackleton maritime patrol aircraft which was fast approaching its fatigue life limit.

Hawker Siddeley
Nimrod MRA.4

The first two prototypes, designated Hawker Siddeley HS801, were modifications of unsold De Havilland 106 Comet 4C airframes,

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Youtube Link

Essentially it was a new aircraft, with the more efficient Rolls-Royce BR710 turbofan engines, installed in a new larger wing

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Aircrafttotal : Aircraft

Read more in deHavilland Aircraft was a British aircraft manufacturer. 

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