About Mach

Who we are

OUR ORGANISATION

A European Aviation Design Organisation

MACH Technical Design S.L. is a European aviation design organisation holding EASA DOA privileges under Part 21 Subpart J. We specialise in providing engineering design, certification, and airworthiness services to the aerospace industry, operating with the precision and rigour demanded by the regulatory environment.

Our team of qualified engineers combines deep regulatory knowledge with practical design expertise, enabling us to deliver compliant and efficient solutions for both fixed-wing and rotary-wing platforms. We serve operators, MROs, and OEMs across Europe and beyond.

DOA REFERENCE

EASA 21J.401

CORPORATE PRINCIPLES

Mission, Vision & Values

MISSION

To provide technically rigorous and regulatory-compliant aerospace engineering design services that ensure the airworthiness and safety of aviation products. We support operators, manufacturers, and maintenance organisations in meeting their design and certification requirements under EASA regulations.

VISION

To be a trusted reference in aerospace design and certification, recognised for our technical competence, regulatory integrity, and commitment to advancing aviation safety standards across Europe and internationally.

VALUES

  • Safety as an uncompromising priority
  • Technical rigour in every deliverable
  • Full regulatory compliance at all times
  • Transparency and professional integrity
  • Continuous improvement and competence development

TECHNICAL FOCUS

Engineering Driven Approach

Every design activity we undertake is grounded in a structured engineering process that prioritises compliance demonstration, safety assessment, and traceability. Our work follows established certification methodologies aligned with EASA Certification Specifications (CS-23, CS-25, CS-27, CS-29) and associated AMC/GM.

We employ systematic design verification, independent checking, and configuration management practices to ensure the integrity and correctness of every design output issued under our DOA privileges.

CS-23

CS-25

CS-27

CS-29

COMPLIANCE CULTURE

Regulatory Commitment

Compliance is not merely a requirement — it is the foundation of our organisational culture. Every member of the design team understands the regulatory context in which we operate, and our internal processes are designed to proactively identify and address potential non-conformances.

Our Design Assurance System provides continuous monitoring, internal audit programmes, and corrective action mechanisms to maintain the highest standards of regulatory adherence as required by EASA Part 21 Subpart J.