RAF renews its emergency arrestor gear support contracts

18/10/2016

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The Royal Air Force is renewing its support contracts for fixed and deployable emergency arrestor gear on its military airfields around the world. Marshall Aerospace and Defence Group has been awarded two such contracts.

 

Under the first of the two 10 year contracts, the company will be continuing a 40 year history of providing maintenance for the fixed Rotary Hydraulic Arrestor Gear (RHAG) and Engineering Support for RHAG and the Portable Aircraft Arrestor Gear (PAAG). Additionally, the new contract’s scope includes the maintenance support for the PAAG systems.

Under a separate competitively won contract, Marshall will be providing maintenance and engineering support for the Arrestor Barrier Net Systems. This equipment is a new addition to the Marshall arrestor gear systems support portfolio.
 
“Our deep understanding of the requirement and close relationship with the customer played a major part in this multi million pound success,” said Steve Fitz-Gerald, Chief Executive of Marshall Aerospace and Defence Group.  “The RHAG and PAAG contract is one of our first Qualifying Defence Contracts under the recent Defence Reform Act 2014.  Negotiating the contract under the new regulations was a steep, but rewarding, learning curve which will stand us in good stead for the future.  The Barrier Net maintenance contract was won competitively with a comprehensive and cost effective proposal. I am very proud of the team that put these successful contracts together for Marshall.”

The RHAG/PAAG systems operate in a similar way to the arrestor gear seen on an aircraft carrier.  In the event of an emergency a steel wire cable is positioned across the runway and the hook fitted to Typhoon and Tornado aircraft is lowered by the pilot as the aircraft comes into land.  On landing the hook catches on the cable and the system slows the aircraft down from the 120 knots it is likely to be doing on landing to a safe stop.
 
The RHAG system consists of two horizontal drum wound tapes which tension the steel cable. Each drum drives a shaft fitted with paddles suspended in fluid whose viscosity reacts against the paddles when the cable is caught by the landing aircraft.
 
The PAAG system consists of two vertical drum wound belts which are slowed by four multi disc brakes. They can be installed at short notice anywhere the RAF deploys aircraft. The PAAG systems will be stored at Marshall’s Cambridge facility and deployed as the customer requires, for example at the Royal International Air Tattoo, or RIAT, held annually at RAF Fairford. RHAG/PAAG can be operational in less than 15 minutes once set up.
 
The Net Barrier system is installed at the end of the runway to stop aircraft such as the Hawk trainer which does not have an arrestor hook.  
 
Marshall won its first contract to support RHAG over 40 years ago and 15 years ago was awarded the contract to provide on-airfield support.  These new contracts will continue and expand on this work which involves the company providing base maintenance and replacing the critical items on-airfield which have an in-service life of five years.

Image: Marshall has been selected to continue providing maintenance and support for the RAF’s RHAG emergency arrestor system used at its military airfields around the world.


 
About Marshall Aerospace and Defence Group
Marshall Aerospace and Defence Group specialises in the conversion and modification of military, civil and business aircraft; and defence vehicle engineering and shelter manufacture.  Its capabilities include engineering design, manufacture and test; and the provision of personnel, training and advice, while providing maintenance, integration, manufacture and product support.
 
Since 1909 Marshall Aerospace and Defence Group has been valued for its integrity, performance and customer focus which has been demonstrated through its innovative solutions and ability to deliver on-time and to-cost.
 
Marshall Aerospace and Defence Group is part of the Marshall Group, which employs more than 6,000 worldwide and which has a turnover of £2.6 billion.
More information can be found at www.marshalladg.com

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For further information, please contact:
 
Oliver Drury
Director of External Communications
Marshall Aerospace and Defence Group
Tel: +44 (0)7771 947225
Email: oliver.drury@marshalladg.com
 
Mark Broughton
PR Consultant
+44 (0)7880 506345
mark.broughton@marontech.co.uk
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Marshall Group

Founded in 1909 as an automobile company in Cambridge, Marshall entered the aviation business in 1929. The Marshall Group, still a privately owned company, is chaired by Alex Dorrian CBE since Sir Michael Marshall moved to the role of President in October 2016. Robert Marshall, the fourth generation of the Marshall family, became Group Chief Executive in 2012.

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