A report claims that night flights into London's airports must be protected to safeguard a vital part of the UK economy.
The document produced by lobby group the Confederation of British Industry (CBI), said overnight flights played a "unique role" ensuring timely movements of freight goods and enabling business travellers to arrive at destinations for a full day's work.
A Department for Transport consultation (DfT), which is closing today, is reviewing opinion on night flights at Heathrow, Gatwick and Stansted Airports.
Campaigners opposed to night flights say air traffic noise disturbs the sleep of those living under flight paths.
The current agreement with airlines runs out in October 2014.
More top news
Police are looking for a man who sexually assaulted a 12-year-old girl at a London train station yesterday while she was with her family.
A gang of robbers who dressed in burkas to stage raids on high-end stores in London have been convicted today.
The retrospective is so in-demand the museum will open its doors all through the night for the first time since it opened in 1857.