British Airways jet had to avoid trouble at Heathrow

Kate Middleton has a husband and brother-in-law who are both pilots – and her parents were both flight attendants – but Kate is reported to have developed a fear of flying.

A British Airways jet in which she was a passenger came ‘close to crashing’ last year and it’s said to have left her nervous about taking to the air.

The Duchess of Cambridge and Prince William, 29, were travelling home from one of their first Royal trips together in Denmark in November when the pilot was forced to take emergency action.

The plane was less than 200ft off the ground at Heathrow when it was forced to open up the throttle and make a steep climb to avoid colliding with another aircraft on the runway.

‘This really was a serious incident and would have been terrifying for those on board,’ a source tells The People.

The jet circled the airport for a few minutes before landing safely – but Kate, 30, was said to be ‘deeply unsettled’ by the incident.

Kate‘s got a busy schedule of Royal appointments in front of her in 2012 and is therefore determined to overcome any nervousness she has.

But British Airways insist the manoeuvre wasn’t life-threatening.

‘Our traffic were told by air traffic control to perform a go-around – a perfectly standard operation with no safety implications – because an aircraft from another airline hadn’t fully cleared the runway,’ a spokesman tells The People.

‘Safety is always our overriding priority and all our pilots are fully trained to deal with procedures of this kind.

‘Our aircraft landed safely and customers left the plane as normal.’

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Esme Riley