We are DOA
S4A is the first company in Spain granted as Design Organization by EASA.
EFFICIENCY AND REPONSIVENESS
We produce efficient and on time engineering solutions, adapted to our customer’s needs and expectation.
CORPORATE SOCIAL RESPONSIBILITY
We are commited with our customers, our team and the environment.
We design and certify minor changes (modifications) and design and get certification by EASA for STC’s.
Significant experience producing test plans and procedures and performing such tests.
We design any repair for any metallic or composite material, related to structural damages, and functional or decorative items.
TURN KEY PROJECTS
We can provide the full process, from design to installation and certification of repairs and modifications, either minor or major ones.
EASA validations of modifications approved by the FAA and FAA validations of EASA approved STC’s.
External consulting, time limited or permanent, by our aerospace team of experts.
Long run engineering
Magnitudes beyond numbers