Farnborough Airport has become one of the first in the world to ban the planes that make the most amount of noise.
Its owners say it is to give some peace to those under the flightpath in villages and towns in Hampshire and Surrey but anti noise campaigners say it will make little difference.
Our Transport Correspondent Mike Pearse has been talking to both sides of the debate. He meets campaigner James Radley and the airport's chief executive Brandon O'Reilly.
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A damp and cold night ahead. Valentine's Day will start cloudy but become brighter in the afternoon. Risk of showers along the Kent coast.
Cold and damp tonight with outbreaks of rain. A cold and dull start to Valentine's Day but becoming drier and brighter by the afternoon.
Rain turning more patchy this afternoon but more persistent along the coast. Feeling cold in the brisk north-easterly wind.