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Hasan Demir, General Manager
An AS9100-certified and accredited leader in the aerospace industry, HSF Savunma Havacilik stands out as a premier manufacturer and service provider of high-tech precision fasteners for commercial aerospace platforms. The company’s reputation is built on the pillars of aerospace engineering superiority and rigid quality control, ensuring a commitment to excellence in all aspects of its operations. HSF’s offerings go beyond the conventional production line to deliver extensive support for commercial aircraft components, catering to a broad spectrum of clients like private-sector repair shops, contractor companies and government agencies worldwide.
The aerospace sector’s inherent demand for precision and quality sets a high bar, compelling clients to seek solutions that surpass the expectations of impeccable manufacturing and traceable quality assurance—all within the confines of strict delivery timelines. HSF meets this industry challenge head-on, guaranteeing the highest quality standards for each fastener it produces. This steadfast dedication enhances product reliability and ensures comprehensive compliance with the specifics of purchase orders, engineering drawings and product descriptions. Through this, HSF solidifies its status as a key ally in the quest for aerospace innovation and dependability.
“We adhere to a 100 per cent acceptable quality limit (AQL) for our products, meticulously testing and approving each product,” says Hasan Demir, general manager of HSF Savunma Havacilik.
The firm’s quality control laboratory sets the industry standard with its ability to execute over 30 destructive and non-destructive testing methods, ensuring the integrity of materials and products remains uncompromised. HSF adheres to stringent internal and external approval processes based on the acceptable quality limits (AQL) standards, which define the threshold for permissible defect levels within a given sample size. The firm’s commitment to excellence is evident in its adoption of AQL standards that far surpass industry norms—major defects are capped at an AQL of 0.65 per cent, which is significantly lower than the industry’s typical 2.5 per cent, and minor defects at 2.5 per cent, as compared to the more lenient 4 per cent accepted by others in the sector.
HSF’s commitment to efficiency and punctual delivery has garnered a distinguished clientele, including global air forces and top-tier civil aviation manufacturers. In its pursuit of transparency and client trust, the company employs advanced ERP and MRP systems, facilitating real-time supply chain visibility. HSF can manage and report all its processes through the quality management system and quality laboratory capabilities.

Ozlem Efe, the deputy general manager and administrative head, highlights the value of these integrated systems, “They provide real-time supply chain visibility, enhancing our client relationships through continuous access to information and fostering collaboration.”
HSF Savunma Havacilik’s contributions to the aerospace industry are underscored by a legacy of impactful innovation and client success stories. The firm’s approach to customer engagement—which prioritises client autonomy in the partnership—has revolutionised industry standards for collaboration, quality and collective advancement. Clients who have leveraged the firms advanced solutions report a considerable improvement in the quality and reliability of their aerospace components, affirming the firm’s role as a transformative force within the sector.
HSF represents more than a manufacturing entity; it embodies the pioneering spirit of human spaceflight, mirroring NASA’s dedication to advancing aviation and exploring new frontiers. This passion for aerospace and commitment to enhancing global quality of life are woven into the fabric of HSF’s identity. By inaugurating a new facility in Atlanta, USA, HSF is poised to extend its tradition of excellence and innovation, reinforcing its standing as a beacon of progress and a partner in the global pursuit of aerospace excellence.
In taking on this growth and exploration journey, HSF carries forward the aspirations of those who dream of reaching new horizons. The firm, through its unparalleled expertise, commitment to quality and visionary approach, stands as a guiding star in the aerospace industry, leading the way toward a future where the sky is not the limit but the beginning.
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Company
HSF Savunma Havacilik
Management
Hasan Demir, General Manager
Description
HSF is an AS9100 quality certified and accredited manufacturer that can perform more than 30 destructive and non-destructive tests in-house —with its two-decade legacy in the aerospace industry—is Turkiye’s premier precision fastener manufacturer. The company’s expertise extends from production to comprehensive support for commercial aircraft parts, serving a diverse array of private-sector repair shops, contractor companies and government agencies worldwide.