Heathrow launches steeper approach trial to reduce noise Heathrow today announced plans to trial a steeper approach for aircraft landing at Heathrow. This trial is one of 10 practical steps Heathrow is taking through its Blueprint for Noise Reduction to explore ways to improve the noise climate around Heathrow. Read more here: http://your.heathrow.com/heathrow-launches-steeper-approach-trial-to-reduce-noise/