The regulator with teeth: what the Civil Aviation Bill means for a new era of direct enforcement

The CAA is about to acquire powers it has never had. Businesses in regulated sectors need to understand what changes when a regulator stops asking courts for help and starts acting itself.

For most of its existence, the Civil Aviation Authority has been a regulator that could advise, cajole, refer and complain - but not directly punish. When airlines fell short of their obligations to passengers, the CAA's route to enforcement ran through the courts. It was slow, uncertain, and resource-intensive. Carriers learned that non-compliance carried modest risk. That is about to change.

The Civil Aviation (Consumer Protection and Regulatory Reform) Bill, receiving its second reading in the House of Lords today, gives the CAA direct fining and intervention powers over airlines and airports for the first time. The model mirrors what the Competition and Markets Authority acquired under the Digital Markets, Competition and Consumers Act in April 2025: the regulator becomes the decision-maker, not merely the plaintiff. Where the CMA can now levy fines of up to 10% of global turnover directly, without going to court, the CAA will gain equivalent machinery for aviation consumer protection.

This is not a minor technical update. It is a fundamental change to how regulatory risk works for businesses operating in the sector.

 

What the old model could and could not achieve

Having sat on the CAA Consumer Panel until earlier this year, I watched the advisory model operate at close quarters. The Panel's function was precisely what its name suggests - advisory. It could identify problems, flag concerns and push the CAA towards stronger positions, but it had no direct power to compel outcomes. When the CAA itself wanted to act on consumer harm, it faced the same structural constraint: it had to persuade a court. That is a high threshold - and airlines knew it.

The practical effect was that the CAA's consumer enforcement record on issues like delayed refunds, passenger rights under UK261 and drip pricing (where airlines advertise a base fare and progressively disclose mandatory fees during the booking process) was, by general consensus, weaker than the scale of the problems warranted. The CAA opened compliance programmes, issued guidance, and threatened referral. Airlines responded with varying degrees of cooperation. The asymmetry was structural, not a matter of regulatory will.

When the regulator's enforcement route runs through the courts, businesses price that in. Direct fining power changes the calculus entirely.

Contrast that with the CMA's experience since April 2025. The DMCCA powers have already been deployed in consumer enforcement contexts that would previously have required protracted litigation. The regulator acts; the regulated party faces immediate consequences; the deterrence effect is visible. Whether one regards that as an improvement depends partly on one's views about due process and the appropriate scope of regulatory discretion - but no one disputes that it is faster and more impactful.

 

The broader shift in UK regulation

The aviation Bill should be read as part of a deliberate pattern across UK economic regulation, not as a sector-specific anomaly. Over the past three years, Parliament has extended direct enforcement machinery to the CMA, proposed it for the CAA and structured new regulatory regimes in digital markets on the same logic. The trajectory is consistent: court-based enforcement is being displaced by regulator-as-adjudicator wherever government believes the pace and cost of litigation undermines the effectiveness of consumer protection.

For regulated businesses, this shift has practical consequences that go beyond any individual fine. When a regulator can decide and act rather than build a court case, the threshold for triggering scrutiny falls. Compliance programmes, customer-facing processes, and commercial practices that were designed with litigation risk in mind need to be reassessed against enforcement risk. Those are not the same thing. A court case requires proof beyond reasonable doubt and allows extended disclosure and argument. A regulatory decision requires a lower burden, is taken on a faster timetable, and generates reputational damage immediately - before any appeal is determined.

What this means in practice

For aviation businesses specifically, the Bill's focus on consumer protection means the areas of highest exposure are those where the gap between regulatory expectation and commercial practice has historically been widest: flight disruption compensation, refund timelines, pricing transparency and accessible travel. The CAA's October 2025 compliance programme on UK261 obligations - still running - signals where attention is already concentrated. Direct fining powers will give the conclusions of that programme real teeth.

For legal and economic advisers in the sector, the arrival of direct enforcement machinery creates a new category of instruction: the pre-enforcement review. Businesses that operate regulatory affairs functions oriented primarily around responding to the regulator will need to think harder about anticipating it. The question shifts from "what will the CAA do if we litigate?" to "what will the CAA decide, and how quickly?"

The Bill also contains separate provisions on airspace change processes, air traffic services, and airport slots - areas that will have their own commercial and regulatory implications as it progresses through Parliament. Those provisions deserve separate analysis as the Bill develops. But the enforcement architecture is the part that changes the environment most immediately and over the longer term.

A structural observation

It is worth being clear about what the move to direct enforcement does and does not resolve. The new powers will make the CAA a more effective consumer regulator. They will not, on their own, address the harder question that the CMA itself has raised: whether the CAA's competition jurisdiction is appropriately aligned with its consumer protection responsibilities. Aviation markets exhibit features - high barriers to entry, network effects, route concentration - that mean consumer harm and competition harm are often two aspects of the same problem. An enforcement-capable consumer regulator operating without expanded competition tools is a significant improvement on what existed before. It is not the complete picture.

That question - how competition and consumer regulatory functions in aviation should relate to each other, and to the broader apparatus of UK economic regulation - is one that the industry, its advisers, and the regulators themselves will need to work through as the Bill becomes law. It is a question DT Economics is well positioned to assist with.

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David Thomas is Managing Partner of DT Economics. He sat on the CAA Consumer Panel from 2018 to March 2026, and also previously served as a Panel Member at the Competition and Markets Authority.