Civil Aviation Bill puts airspace modernisation at heart of aviation reform package

The Government says its new aviation legislation places airspace modernisation at the centre of a wider programme of reforms aimed at reducing delays, improving operational efficiency and strengthening passenger protections across the UK aviation sector.

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The Civil Aviation Bill, currently progressing through Parliament, will provide new powers to support the redesign of UK flight paths, a programme widely regarded by airports, airlines and air traffic management organisations as one of the most significant infrastructure projects facing the sector. The legislation is intended to support the delivery of modernised airspace routes, particularly around London and the South East, where some of the UK's busiest and most complex airspace is located.

Department for Transport (DfT) says that modernising the UK's airspace network will allow aircraft to fly more direct routes, reduce airborne holding, improve punctuality and help accommodate future growth in passenger demand. DfT has previously estimated that, without reform, flight delays could increase by 200% by 2040 as traffic levels continue to rise.

The legislation will support the work of the recently established UK Airspace Design Service (UKADS), which has been created to provide a coordinated approach to redesigning flight paths and delivering the wider Airspace Modernisation Strategy. The Government said the new framework would enable redesigned routes to be delivered more efficiently and consistently across the aviation network.

For airports, particularly major hubs such as Heathrow and Gatwick, the reforms are expected to form part of wider efforts to improve operational resilience and capacity. Airspace modernisation has long been viewed as a key enabler of airport growth, allowing existing infrastructure to be used more efficiently while reducing delays caused by congestion in the skies. The Government has also argued that more efficient flight paths could contribute to lower fuel burn and reduced emissions per flight.

Alongside airspace reform, the Bill introduces a range of measures designed to strengthen passenger rights. The CAA is to gain new enforcement powers, including the ability to fine airlines and airports that fail to meet obligations relating to cancellations, delays, passenger assistance and support during disruption. Airlines and airports could face stronger sanctions if they fail to provide compensation, accommodation or assistance to disabled passengers where required.

The legislation also includes provisions intended to streamline the introduction of aviation safety regulations. The Government said this would enable the CAA to respond more quickly to emerging technologies, evolving risks and international regulatory developments while maintaining the UK's safety standards.

Additional measures would give ministers new powers to review and reform airport slot allocation rules, with a broader review of the current system expected later this year. The Government said the changes are intended to ensure the framework remains appropriate for a growing and evolving aviation sector.