When London's airports were privatised two decades ago in a bundle, and the Civil Aviation Authority (CAA) given responsibility for capping landing fees and other charges.

二十年前伦敦的机场以打包形式私有化，那时的民用航空管理局就被赋予限制着陆费和其它费用的责任，二十年前，伦敦的机场一揽子私有化了，限制着陆费和其它费用的责任落到了民用航空管理局就头上。

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The Civil Aviation Authority (CAA) recently changed flying regulations to allow helicopter night flights.

BBC: Air ambulances to fly at night in Sussex, Kent and Surrey

The Civil Aviation Authority (CAA) says the protection still stands even if certificates are not ready.

BBC: Concerns over new holiday rights' certificate

She said that neither Ofcom or the Civil Aviation Authority (CAA) monitor which airlines have cameras.

BBC: NEWS | UK | England | Southern Counties | Privacy fears over plane cameras