S4A Solutions for Aviation

S4A Solutions for Aviation

Madrid, Spain

Air SystemsMRO & LogisticsDual-use
Founded 2007MRO & Services, Component SupplierSupplies Air Forces
Profile last updated: May 15, 2026

About

Founded in 2007, S4A Solutions for Aviation is a defense maintenance and support provider based in Madrid, Spain working in air systems, mro & logistics.

S4A Solutions for Aviation is a Spanish company providing aircraft modifications, repairs, engineering and certification services for commercial, private, helicopter and military aircraft. It holds EASA Part 21J Design Organisation Approval and is described as the first company in Spain accredited as an EASA Design Organization. Its services include STC-based modifications covering avionics, SATCOM, cabin interiors, structural repairs and aircraft components. Its military aviation business covers certified military DOA engineering, military STCs and combat-ready aviation components. The company also works on an aerial cargo launching system for large UAVs.

Location

Madrid, Spain

Founded

2007

Focus areas

aircraft modificationSTCDOAMROmilitary aviationavionicsSATCOMaircraft components

Languages

ENES

Products & capabilities

Defense domains

Air SystemsMRO & Logistics

Supply-chain role

MRO & ServicesComponent Supplier

What they offer

Engineering ServicesMaintenance & RepairComponentsManufacturing Services

Markets

Also sells to civilian markets

Products

Aerial cargo launching system

Unmanned aerial system payload

Aerial cargo launching system under development for installation in a large UAV intended for operation in conflict areas, being developed for an undisclosed customer.

End users

Air Forces

Standards, platforms & customers

Defense standards

EMARPERAM 21J DGAM

Platforms & programmes

Cessna 550

Credentials & affiliations

Certifications

EASA Part 21J DOA

Issued by: EASA

EN ISO 9001

Issued by: Not stated

EN 9100

Issued by: Not stated

UNE 19601

Issued by: Not stated

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