What Is Aeroskills? Qualifications, Units and Pathways Explained

If you are searching for Aeroskills, you are usually trying to understand the training system that sits underneath aircraft maintenance in Australia.

That is the right question, because a lot of confusion starts when people hear qualification names, unit codes and licensing language without seeing how they fit together.

In simple terms, Aeroskills is the training package and qualification framework used across aircraft maintenance and related technical streams. That is why you see terms like MEA40718, MEA40618, MEA50219 and units of competency with MEA codes. They are all part of the structured VET framework used to train and assess aircraft maintenance capability.

What Aeroskills actually covers

The Aeroskills framework covers multiple technical streams, not one generic job.

Mechanical, Avionics and Structures are different streams with different work profiles. There are also qualifications and units for line maintenance, surface finishing, life support, armament, NDT and component overhaul environments.

That is why the right question is not “should I study Aeroskills?” The better question is “which Aeroskills pathway actually matches the work I want to do?”

Where the main qualifications sit

For most aircraft maintenance engineers, the main trade qualification is the Certificate IV in Aeroskills.

That is the qualification most employers recognise as the trade base for AME-level work.

From there, many engineers progressing toward licensing move into the Diploma of Aeroskills in the relevant stream. That does not mean the diploma itself is the licence. It means the diploma packaging is often where the higher-level MEA units for B-category progression sit.

Below that, there are lower-level qualifications such as the Certificate II in Aeroskills and the Certificate II in Aircraft Line Maintenance. Those have valid uses, but they are not interchangeable and they are not automatically the best first move for every starter.

Why the Certificate II in Aircraft Line Maintenance is often misunderstood

The Certificate II in Aircraft Line Maintenance is a real qualification with a defined use case.

It is built around A-licence style line maintenance tasking in the right operating environment. But for most new starters who are really aiming for the broader apprenticeship, Certificate IV trade base, and later B-category progression, it is usually not the cleanest first step.

At Sigma Aerospace College, we generally advise people to start from the actual long-term goal. If you are aiming for a broader maintenance trade pathway, do not choose a narrower first qualification just because it sounds aviation-specific. In many cases, the better first move is AIR, followed by an apprenticeship and the correct Cert IV stream.

How Aeroskills connects to licensing

This is the part people usually miss. Aeroskills qualifications and MEA units sit inside the VET system.

The CASA Part 66 licence sits inside the regulatory licensing system. They connect, but they are not the same thing.

For licensing outcomes, CASA specifies relevant MEA units and examination requirements under Part 66. That means the qualification name matters less than the actual units and evidence. It also means that passing CASA exams does not replace the full assessment requirements of the MEA units.

If your end goal is a CASA Part 66 licence, Aeroskills should be planned with that outcome in mind from the beginning.

How Sigma approaches Aeroskills pathways

At Sigma, we structure Aeroskills around the real maintenance environment and the real endpoint.

For new entrants, that means workplace delivery through apprenticeship or traineeship pathways. For experienced engineers, that can mean RPL and gap assessment to formalise trade capability already built in the hangar.

We also make the mode of study explicit. If you are new to the trade, the structured workplace pathway is the right model. If you already have several years of aircraft maintenance experience, RPL and gap training may be the cleaner path. The key point is that both routes still have to meet the same standard.

What to do if you are still not sure

If you are not yet employed in maintenance, do not force yourself into a qualification that depends on a real maintenance environment before you have one.

Start with the route that gets you into the hangar. If you are already in maintenance, work backwards from the stream, aircraft and licence outcome you actually want.

And if you are an employer trying to decide what a new starter should be placed into, pick the pathway that supports the real work and the likely future licence direction, not just the easiest enrolment.

The practical point

Aeroskills is not a buzzword. It is the structured training framework underneath much of aircraft maintenance training in Australia.

Once you understand that, the qualification names, unit codes and licensing conversations start to make sense.

That is also why Sigma keeps coming back to the same principle: choose the outcome first, then build the training path to match it.

Further reading

• Certificate IV in Aeroskills
• Diploma of Aeroskills
• Aircraft Engineer Apprenticeships
• AIR – Pre-Apprentice Program
• How can I tell if I have fully achieved an MEA unit?
• MEA Aeroskills Training Package
• MEA40718 Certificate IV in Aeroskills (Mechanical)
• MEA20518 Certificate II in Aircraft Line Maintenance
• 2025 Standards for Registered Training Organisations