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Welcome to Our Network

Gran CM is an aircraft maintenance consultancy and manpower solutions provider for diverse operators and lessors in the aviation industry. Only aircraft maintenance experts with a good record of experience are supported in order to meet our client’s targets and requirements, and only aircraft maintenance experienced staff are part of our professional business network.


“To provide top-quality aviation consultancy services following transparency principles in relation to both customers and specialists subscribed to GranCM and contribute to air safety”


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Follow our blog for interesting topics related to airworthiness and consultancy.

Enhanced Asset Management: A Focus on Digitalization and Aircraft Transitions.

Asset management, in the modern aviation landscape, is undergoing a paradigm shift with the integration of digital tools. The conversion of paper-based documents into digital formats not only streamlines processes but also significantly enhances accessibility,...

How to perform Remote Audits | Airworthiness & Aircraft Maintenance Engineering.

Who would have thought 10 years ago that an audit can take place remotely? Having the aircraft (asset) somewhere, and the auditor in a completely different location for sure does not sound like a good idea. Companies were not used to this type of service and most of...

What is the purpose of a Safety Management System (SMS), and why is it important?

Have you ever wondered why a Safety Management System is so important? Let me tell you, it's not just about following regulations and guidelines. It's about creating a culture of safety and well-being that everyone can benefit from. Whether you're an employee, a...

Aircraft Windshields & Cabin Windows

Most of us have seen what a window of an airplane looks like, and at first thought, it may seem like an ordinary window, but in fact, it is the result of engineering joint ventures between aerodynamics, the strength of materials, thermodynamics, and heat transfer...

Airworthiness Control & Software

Airworthiness What does Wikipedia say?  "Airworthiness is the measure of an aircraft's suitability for safe flight. Certification of airworthiness is conferred by a certificate of airworthiness from the state of aircraft registry national aviation authority, and...

Technical Representation

Technical Representation What does it mean? It is to represent an entity, organization or a person during a technical event OR an event that requires the presence of a specialist who can act in behalf of the owner or operator of an asset (aircraft). In general a...


Let’s say for A or B reason an aircraft got scratched. The licensed engineer (EASA) or A&P mechanic (FAA) will be in charge of inspecting the area/surface, evaluating it for damage specifications, its relation to main structures like frames, stringers, and...

Line Planning

Line Planning in aircraft maintenance means “to plan” maintenance tasks for one or several aircraft during the periods of time that the aircraft is scheduled to remain on ground in the middle of its regular operations.It is also called Line Maintenance Planning...

Aircraft Storage

When does an aircraft have to go under “Storage” or a storage program? Simple, when we know that the aircraft is not going to fly for a prolonged time. Technically? We have seen jobs that have to be done every 3 days as per manufacturer to a week interval before the...

Quality vs. Cost

Hiring Consultants The pandemic has changed the ways we do things today for at least 80% of the population, carrying a mask everywhere already represents a change. It has also changed the way consultants work. Traveling restrictions made it particularly difficult for...

Working Hours

8:00 – 17:00

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