Part 21 Design International Limited (+356) 2778 1201 or

Part 21 Design International Limited specialises in the creation and supply of paint and decal STCs, as well as development of minor changes and minor repairs. Our team consists of highly-experienced aircraft design engineers and technical consultants ready to find you bespoke aircraft engineering and creative design solutions, regardless of location.


Part 21 Design International Limited is a design organisation specialising in the design and supply of minor changes and minor repairs including paint and decal schemes.

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Focusing on minor change approval for aircraft modification, this service covers composite and metallic structures, cabin safety, aircraft interiors and hydro-mechanical systems, as well as furnishing everything from seats to slats and lavatories to liveries.

Focusing on custom solutions, this service covers case-specific and generic repair design approval for metallic and composite aircraft structures, as well as component repair, allowing for the efficient recovery of ‘BER’ and ‘no repair’ parts.

Using our team of structural repair specialists, this service covers the rapid recovery of damaged operational aircraft when there is a need to avert or resolve an AOG event.

Our team can also provide consultancy services in the case of the above or other unspecified or unexpected issues.  Our services include:
• Assistance with obtaining authority approvals for initial airworthiness approvals P21J and P21G
• Provision of training courses on initial airworthiness from basic introduction course to full scope to include CS25, CS23 and Minor Modification design and approval
• Assistance with preparation of documents for presentation to NAA for Design Change approvals