Service and Support

DOA

EASA Part-21J Design Organisation EASA.21J.787

Design of major (STC) and minor changes to type relating to avionics, systems and structures of airplanes

Hamburg Technics 21 GmbH, an EASA-approved Part 21J Design Organization, serves as your primary contact for any design change certification needs within the aviation sector or military/state air operations. Regardless of the specific aircraft in question, our seasoned design team is well-prepared to provide secure and dependable technical solutions tailored to your unique requirements.

In order to offer a comprehensive understanding of your request, our team will create a technical proposal that encapsulates the key project details. For efficient planning, we will provide an estimated timeline for the entire certification process, spanning from the design phase, through implementation, compliance validation, and ultimately culminating in the approval of the design change.

Examples of our design capabilities:

• General avionics upgrades
• Regulatory mandates e.g., PBN, LPV, ADS-B, FANS-1/A, FDR/CVR, etc.
• Electronic Flight Instrument System (EFIS) updates
• Special mission configurations
• Antenna and sensor installation
• Review and certification of existing modifications in connection with aircraft imports
• Research & development of prototype installations
• External lighting modifications