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Coroner criticises manufacturer of Red Arrows ejection seat

A coroner has criticised the manufacturer of an ejector seat which led to the death of a Red Arrows pilot. Flight Lieutenant Sean Cunningham, who was 35 and from Coventry, died in November 2011 at RAF Scampton in Lincolnshire.

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Manufacturer of Red Arrows' ejector seat says 'lessons have been learned'

The manufacturer of the ejector seat says it has learned lessons after the death of a Red Arrows pilot who died after being accidentally ejected from his Hawk T1.

Flight Lieutenant Sean Cunningham was killed at RAF Scampton in Lincolnshire in November 2011. He did not separate from the ejector seat and his parachute did not deploy because a shackle had jammed.

Martin-Baker says it has 'taken steps to alert all [of its] customers worldwide who use this type of seat of the risk of over tightening the shackle'.

We would like to extend our sincere condolences to Flight Lieutenant Cunningham's family and friends. Martin-Baker is a family owned company producing vital equipment for people doing a dangerous and important job. We take our responsibilities to these individuals very seriously and we are all deeply saddened by this terrible accident.

The ejection seat is qualified to save a life on a ground level ejection. On this occasion, uniquely in the entire history of Martin-Baker ejection seats using this particular feature, it failed due to a shackle bolt being too tight. This prevented the main parachute from deploying.

Lessons have been learned and we have taken steps to alert all our customers worldwide who still use this type of seat, of the risk of over tightening the shackle.

Furthermore, our designers, working closely with military experts have developed a new type of shackle bolt and firing handle housing, which both Martin-Baker and the military authorities consider will prevent the reoccurrence of the circumstances that led to this tragic accident.

Martin-Baker is proud to be able to say that, since 1946, it has led the world in the design development and manufacture of ejection seats. As of today's date, these seats have saved 7436 lives, seven in this month alone.

– Martin-Baker spokesperson

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