
Innovative products and services for the aviation sector
Developing and certifying products and modification solutions for aircraft
Get in touch >Aircraft cabin modifications, interiors and systems
Cabin layout management (CLM) and smart cabin solutions
Stirling Dynamics offers engineering and EASA 21J approval (EASA.21J.807) for aircraft modification and retrofit, selected cabin products and the entire range of engineering services across the product lifecycle. Lessors, operators, and MROs alike appreciate our innovative cabin layout management (CLM) approach, which facilitates modifications and sets a new standard in the digitisation of cabin modifications. Stirling Dynamics also provides a large variety of smart and cost-efficient cabin products such as crew rest class 3, Premium Eco Sleeper beds and 3D printed cabin parts.
Smart Aviation Products
Aviation Services
Core Capabilities
EASA 21 J Certification
The Stirling Dynamics Design Organisation holds EASA 21J DOA with an unrestricted scope of approval for changes and repairs to Part 23, 25 & 27 aircraft. Our design and airworthiness experts are trained, assessed and appointed as per EASA approved procedures and our organisation is regularly audited by EASA. Our most senior signatories are vetted directly by EASA.
Cabin Modification and Product Development
Electrical Engineering
Cabin Mod Hub
The modification hub for tailored cabin solutions
Stirling Dynamics evaluates all your aircraft cabin requirements and transforms them into smart products, services, and solutions utilising the latest technologies within our powerful network.
Find out more
Our three-step process to project success
Whatever you are trying to achieve, from small modifications to complete cabin conversions, we apply the same level of care and attention to all our customer projects.

Consult
We take the time to understand your challenges in order to structure the most efficient projects.

Execute
Our capabilities and experience mean we can solve the most complex and demanding projects.

Deliver
We offer a range of delivery models that include consultancy, engineering services and cabin parts.
Latest Work
Aviation FAQs
Do you have any questions about our aviation products or services? We have you covered.
What should I submit to get a quote for an aircraft modification?
Please provide the following documents for all affected aircraft with your request:
- Types and serial numbers of affected aircraft
- Description of desired change
- Component Maintenance Manual (CMM) of affected components (e.g., avionic units, seats or monuments)
- Layout of Passenger Accommodations (LOPA) required for Cabin Modifications only
Can you provide EASA and FAA Approval?
Yes. We are an EASA 21J Design Organisation, so our approvals are automatically accepted by FAA (applicable for Minor Changes) or can be easily validated based on the bilateral agreement between FAA and EASA.
Can you supply comprehensive Mod packages including parts?
Yes. We can provide engineering, certification and all the required parts for installation on request.
What is Stirling Dynamics scope of approval?
Changes and repairs (unrestricted) to large and small aeroplanes and to small rotorcraft (STC and/or Repairs).
Can you help us with our Crew Rest requirements?
Yes. Stirling Dynamics has a range of innovative Crew Rest Solutions, and we are happy to customise them for your operation.
How can I make most of my aircraft cabin?
We can help you by digitising your aircraft and quickly provide various layout options using our state-of-the-art Cabin Layout Management System. Digital twins of your aircraft can be easily managed, once in our system.
Helping you achieve your ambitions
OUR DOA TEAM WILL BE HAPPY TO DISCUSS YOUR AVIATION PROJECTS IN ORDER TO FIND THE BEST SOLUTION FOR YOU
Get in Touch-
Necessary
These cookies are not optional. They are needed for the website to function. -
Statistics
In order for us to improve the website's functionality and structure, based on how the website is used. -
Experience
In order for our website to perform as well as possible during your visit. If you refuse these cookies, some functionality will disappear from the website. -
Marketing
By sharing your interests and behaviour as you visit our site, you increase the chance of seeing personalised content and offers.