A colonel for the US Air Force who spent seven years flying the type of aircraft that crashed in Cley, north Norfolk, told the Eastern Daily Press that the HH-60G Pave Hawk may hold the US military's "best safety record".
The Pave Hawk may have the best safety record of any helicopter that the United States military has ever owned.
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.