News Item

GNSS accuracy leads to noise complaints

Improved guidance accuracy is reported to be causing 'disastrous' levels of aircraft noise to homeowners near airports.

It seems that area navigation (RNAV) approaches to runways - in which GNSS provides an identical 3D profile for every aircraft lining up for a precision runway approach - 'reduces the width of land overflown but leads to a greater concentration of planes over a smaller area'.

A group living near Edinburgh Airport is quoted as saying that 'aircraft noise of 80 decibels . . was being recorded in rural areas and that complaints had risen 200-fold.'

It is claimed that stress related to such noise could lead to high blood pressure, heart attacks, strokes and impaired performance at school - resulting in a coalition of over 20 community groups writing to the PM calling for a ban on all flight path changes pending a comprehensive strategy to deal with the effects of aircraft noise.

The letter has been organised by the Aviation Environment Federation, whose Director explains that 'We need a clearer policy direction from government with effective community consultation to avoid any more disastrous flight path trials . .'.

So we have a situation whereby legislators, using new technology to create safer and more efficient, 'greener' approaches, are being opposed by those choosing to reside close to airports.

Details from The Times link below (need to subscribe for full article).

The illustration shows typical traditional airfield approaches (orange) vs GNSS-guided RNAV approaches (purple).

  • 22 February 2016
  • RIN

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