If you own or operate UK-registered aircraft, these changes affect how your maintenance programmes are managed, how aircraft can be imported from the EU, and how the CAA assesses your CAMO’s complexity.

Here are the three updates that matter.

1. Task Optimisation is now formally defined

This is the headline change. For the first time, the CAA has published structured guidance on how CAMOs can adjust scheduled maintenance task intervals, either escalating (extending) or de-escalating (shortening) them based on operational data.

Previously, M.A.302(e) permitted organisations to deviate from recommended intervals, but there was limited published guidance on how this should work in practice. The new Section 1.2.9.4 changes that.

The key points for operators:

• Mandatory tasks (Airworthiness Limitations, ADs) are not eligible for optimisation. These are fixed unless changed through a formal exemption.
• Safety-related tasks can be optimised, but only with support from the Type Certificate holder or another approved design organisation.
• Non-safety tasks (operational or economic) can be optimised where justified by a formal reliability programme or substantiated in-service data.
• Any proposed optimisation must be backed by documented analysis demonstrating a 95% confidence level, with continuous monitoring to ensure the adjusted interval remains appropriate.

What this means in practice: Operators with mature data collection and reliability programmes now have a clear, CAA-endorsed pathway to optimise maintenance intervals on non-safety tasks. Done well, this can reduce unnecessary maintenance activity and associated costs without compromising safety.

But the requirements are rigorous. Data quality, data integrity, and proper statistical analysis are non-negotiable. Here’s a detailed breakdown of exactly what your CAME needs to document. This is not about cutting corners. It is about using evidence to make better decisions.

For operators using platforms like Centrik and Tech Log to manage their continuing airworthiness records, the data foundation for supporting Task Optimisation is already being built through day-to-day operations: defect tracking, component removal data, task completion records, and reliability monitoring.

2. Streamlined process for importing used aircraft from the EU

Section 4.4.5 introduces a new desktop-based route for importing used Part 21 aircraft from EU Member States onto the UK register.

Under the previous process, all used aircraft imports required a full CAA physical survey before a Certificate of Airworthiness (CofA) could be issued. The new process allows used aircraft that previously held a valid CofA and Airworthiness Review Certificate (ARC) from an EU Member State to be assessed via a desktop review, potentially bypassing the physical survey altogether.

The CAMO completes a Declaration/Recommendation form, taking responsibility for the accuracy of all submitted information. Aircraft processed through this route are scheduled for a follow-up ACAM survey within 12 months.

What this means in practice: If you are acquiring used aircraft from EU operators, this could meaningfully reduce both the timeline and cost of getting them onto the UK register, provided your CAMO has the processes and diligence to support the desktop assessment.

3. Updated CAMO Complexity Matrix

The Complexity Matrix in Part 5 of the CAME, which the CAA uses to calibrate its oversight of each organisation, now includes a new question: does the managed fleet use penalty factors?

This is a smaller but notable update. It signals that the CAA wants a more complete picture of how maintenance intervals are being managed across fleets, particularly where operational factors are being used to adjust task frequencies.

Staying ahead of the regulation

Regulatory change is constant in aerospace. The organisations that manage it well are the ones that build compliance into their daily operations rather than treating it as a periodic exercise.

TrustFlight’s platform, including Centrik for safety and quality management and Tech Log for maintenance and airworthiness records, gives operators the data infrastructure to respond to changes like these with confidence. And through Baines Simmons, TrustFlight’s training and consulting capability, operators can access specialist CAMO management, airworthiness consulting, and regulatory advisory services to ensure their CAME reflects the latest requirements.

If you have questions about how these changes affect your operation, get in touch.

CAP 2153 Third Edition (March 2026) is published by the UK Civil Aviation Authority and is available at www.caa.co.uk/CAP2153.

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Across the UK and beyond, regulators and operators still manage safety oversight through a patchwork of disconnected systems, manual workflows, and shadow processes. Operators prepare for audits in one system. Inspectors conduct them using another. Findings get raised, tracked, and resolved across email chains, spreadsheets, and document management tools that were never designed to talk to each other.

The result is not a lack of safety commitment. It is a structural problem: the gaps between disconnected systems are exactly where risk accumulates.

What leading UK operators already know

The most progressive aviation organisations in the UK have already addressed this challenge on their side of the oversight equation.

Earlier this year, Bristow Group – one of the world’s largest helicopter operators – selected TrustFlight’s Centrik 5 platform to modernise global safety reporting, risk oversight, and compliance across their entire operation. But Bristow is one example in a much larger pattern.

Today, TrustFlight’s safety and compliance platform is trusted by major UK airlines, regional carriers, business aviation operators, leading airports – including some of London’s busiest gateways – the UK’s national air traffic service provider, helicopter operators, aerospace manufacturers, and MRO organisations. Across 1,600 organisations in 120 countries, the platform manages the full lifecycle of safety and compliance: audit planning and execution, finding management and resolution, competency tracking, document control, supplier oversight, and risk-based reporting.

What connects these organisations is not just their choice of technology. It is a shared recognition that safety management cannot be effective when it operates in silos. The audit lifecycle – from planning through execution, finding resolution, and trend analysis – only delivers real safety intelligence when it runs on a connected, structured foundation.

The other side of the table

Here is what makes this particularly relevant for the future of aviation oversight: the workflows that regulators need are not fundamentally different from the ones operators already use.

An inspector planning a surveillance audit needs scheduling tools, resource management, and visibility of an entity’s compliance history. They need structured checklists mapped to regulations. They need to raise findings, track corrective actions, manage deadlines and extensions, and escalate where necessary. They need offline capability for on-site work. They need dashboards that surface risk trends and performance data across their entire portfolio.

These are not hypothetical requirements. They are the exact capabilities that operators already depend on, every day, to manage their own internal safety and quality management systems.

The opportunity is significant: when both sides of the oversight relationship work from the same digital language – the same structured data models, the same audit logic, the same approach to findings and compliance tracking – the entire system becomes more effective. Audit preparation improves because both parties understand the framework. Finding resolution accelerates because responses flow through structured workflows rather than email. Trend analysis becomes meaningful because data is consistent, connected, and comparable across entities and approval types.

From compliance burden to safety intelligence

The aviation industry is moving beyond tick-box compliance. Risk-based oversight, data-driven decision-making, and predictive analytics are no longer aspirational concepts – they are operational necessities.

But these capabilities depend entirely on the quality and structure of the data beneath them. You cannot run trend analysis across approval types if every audit lives in a different format. You cannot benchmark entity performance if findings are categorised inconsistently. You cannot predict risk areas if historical data sits in archived spreadsheets that no one can search.

This is why the foundation matters. Years of building safety management technology for aviation – across operators, airports, air traffic service providers, manufacturers, training organisations, and MROs – has taught us that intelligence is not a feature you bolt on. It is the outcome of getting the data model, the workflows, and the collaboration framework right from the start.

And when you combine that technology foundation with specialist training, consulting, and expertise – with people who have spent decades embedded in aviation safety, compliance, and regulatory frameworks – you move from software to genuine operational intelligence.

What the future looks like

The next generation of aviation safety oversight will not be defined by which system an inspector uses or which platform an operator logs into. It will be defined by how seamlessly those systems connect.

The organisations that have already made this transition – on the operator side – are seeing measurable results: faster audit cycles, more consistent finding management, better visibility of compliance status, and leadership teams that can make decisions based on real-time data rather than quarterly reports.

The same benefits are available on the regulatory side. The technology exists. The data models exist. The operational proof points exist, at scale, across every category of CAA-regulated organisation.

Aviation’s safety record was built on trust: trust in data, trust in people, trust in systems. The next chapter will be built on ensuring that trust is connected – across every organisation with a role to play in keeping aviation safe.

TrustFlight is the Aerospace Safety Intelligence Platform trusted by 1,600+ organisations across 120 countries. Our integrated platform combines safety and compliance technology, world-class training and consulting through Baines Simmons, specialist security assurance through Redline, and emergency management and response through Kenyon International – delivering operational intelligence for the aviation industry.

Learn more at trustflight.com

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The regulation is not the hard part

Defence organisations across the globe are adopting European Military Airworthiness Requirements (EMARs) to harmonise how they manage military airworthiness. The framework is well-established, well-documented, and well-understood. Derived from EASA’s civil aviation standards, EMARs provide a structured approach to certification (EMAR 21), maintenance (EMAR 145), continuing airworthiness (EMAR M), training (EMAR 147), and licensing (EMAR 66).

The strategic case is clear. A harmonised framework improves fleet availability, strengthens safety, reduces procurement costs, and enables interoperability between allied nations.

But here is what we see repeatedly across defence organisations worldwide: the framework gets adopted, the documentation gets written, and the approvals get issued. Then the day-to-day reality of managing airworthiness still depends on spreadsheets, email chains, disconnected databases, and institutional memory that walks out the door when people rotate posts.

The regulation tells you what to achieve. It does not tell you how to connect the people, processes, and technology that make it work in practice. That gap is where risk accumulates.

A familiar problem in a different uniform

This pattern is not unique to defence. In civil aviation, TrustFlight works with over 1,600 organisations across 120 countries, and the underlying challenge is almost always the same: fragmentation.

Safety data lives in one system. Maintenance records live in another. Compliance tracking is manual. Training records are disconnected from operational oversight. Audit findings get closed on paper but the root causes persist because nobody can see the full picture.

EMARs are designed to prevent exactly this. The framework assumes integrated oversight, connected data, and competent people operating within a coherent system. But too often, the implementation stops at the regulatory layer without addressing the operational infrastructure underneath.

Defence organisations that treat EMAR adoption as a documentation exercise end up compliant on paper but fragmented in practice. The ones that succeed treat it as an opportunity to fundamentally modernise how they manage airworthiness.

What connected airworthiness actually looks like

When we talk about connected airworthiness, we mean three things working together: technology that gives you trusted data, people who are trained and competent to act on it, and consulting expertise that bridges the gap between regulation and operations.

Trust in your data

Airworthiness management generates enormous volumes of data: maintenance records, defect reports, audit findings, risk assessments, regulatory changes, configuration status, training records. When that data lives in silos, you get duplication, version control issues, and blind spots.

TrustFlight’s operational platforms are built to solve this. Centrik manages safety, quality, and risk workflows in a single auditable system. Tech Log digitises maintenance and airworthiness records, replacing paper-based processes with real-time data capture. Together, they provide the structured, traceable data environment that EMAR compliance demands — not as a bolt-on, but as the operational backbone.

For defence organisations managing complex fleets across multiple bases, this is the difference between oversight on paper and oversight in practice.

Trust in your people

A framework is only as strong as the people operating within it. EMARs set competence requirements, but meeting them requires more than sending people on courses. It requires structured competence frameworks, practical application, and an organisational culture that treats airworthiness as a capability enabler, not a compliance burden.

Through Baines Simmons, TrustFlight’s training and consulting capability, we deliver exactly this. With 25 years of specialist aerospace expertise, direct involvement with the EDA’s MAWA Forum, and experience training over 200,000 aerospace professionals, Baines Simmons brings deep regulatory knowledge combined with practical implementation experience.

The EMARs training portfolio covers the full framework — from foundational introductions through to specialist courses on EMAR 21, EMAR 145, EMAR 147 and 66, and continuing airworthiness under EMAR M. All programmes are designed for practical application and can be delivered globally, in person or virtually.

Consulting that connects regulation to operations

Adopting EMARs is a transition, not a switch. It requires strategic planning, gap analysis, governance design, organisational approvals, process redesign, and sustained change management. Through Baines Simmons, TrustFlight provides end-to-end consulting support: from initial adoption strategy through to achieving and maintaining EMAR 21, 145, and M approvals.

What makes this different from a traditional consulting engagement is the connection back to technology. When we help a defence organisation design its EMAR-compliant processes, those processes are built to run on systems that actually support them — not on spreadsheets that will quietly fall out of date.

Why this matters now

Defence spending on airworthiness modernisation is increasing. Nations that were early adopters of EMARs are now looking to optimise and digitise their systems. Nations that are newer to the framework are learning from early adopters that regulation without infrastructure leads to compliance without capability.

At the same time, workforce pressures are intensifying. Military aviation organisations face the same talent challenges as the rest of aerospace: experienced personnel retiring, knowledge gaps widening, and an increasing reliance on contracted and civilian staff who need structured training and clear competence frameworks.

The organisations that will manage this well are the ones that invest in connected systems now — linking their regulatory framework to the technology and workforce capability that sustains it.

Who we work with

TrustFlight supports defence organisations at every level:

• Military Aviation Authorities (MAAs)
• Ministries of Defence
• Air Forces and Joint Aviation Commands
• Defence OEMs and suppliers
• Maintenance, Repair and Overhaul (MRO) organisations

Our track record includes working with the Australian Defence Force on their EMAR 21 transition and partnering with the New Zealand Defence Force on bespoke virtual training programmes.

From compliance to capability

EMARs provide the regulatory framework. TrustFlight provides everything else: the technology to manage airworthiness data with integrity, the training to build a competent workforce, and the consulting expertise to connect regulation to operations.

If your organisation is adopting EMARs, transitioning from legacy regulations, or looking to modernise an existing airworthiness system, we can help you move beyond compliance to build lasting operational capability.

Get in touch at hello@bainessimmons.com. For a detailed breakdown of EMARs and the full training portfolio, visit Baines Simmons’ EMARs expertise page.

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