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Certification

Certification is a critical step in the Aeronautical Product development process. It is essential that certification strategy is a forethought at the initial stages of planning. We provide specialized and customer-focused initial airworthiness certification services. Our team's extensive knowledge of regulatory requirements and the certification process makes us your trusted partner in getting your certification strategy correct and complete, from the inception of your project. 

What We Do in Certification:
Certification Basis Definition & Requirement Identification

We focus on ensuring that aircraft design aligns with aviation design standards and certification regulations. Our expertise covers a wide range of international civil aviation authorities and certification specifications.

  • Extensive knowledge of Part 23, 25, 27, 29 and EASA SC-VTOL regulations.

  • Experience with military regulations like MIL-HDBK-516, DEF-STAN 00-970, and STANAG 4671 standards.

  • Identification of Applicable Regulations: Determining the relevant applicable regulations and identifying the Certification Basis. Identifying design requirements from the applicable civilian or military specification sets.

  • Requirement Development & Structuring: Translating regulations into clear, verifiable system, subsystem, and equipment-level requirements following ARP 4754 A/B rigour.

  • Validation of Requirements: Ensuring traceability and consistency of requirements within the overall system architecture from a correctness and completeness standpoint.

  • Certification Strategy Formulation: Supporting early-phase trade studies and certification scoping to reduce project risk and cost.

  • Performing Gap Analysis & Impact Assessment: Evaluating design concepts against applicable regulatory requirements to identify compliance gaps for minor/major design modifications, assessing the Changed Product Rule (CPR) analysis when needed.

Compliance Planning & Roadmap

We specialize in the preparation and management of all documentation required for the certification process, ensuring thorough and accurate submissions.

  • Certification Plan Development: Preparing detailed certification plans, including appropriate Means of Compliance, assumptions, and a complete compliance demonstration strategy.

  • Verification & Validation Planning: Preparing V&V plans, Environmental Qualification Plans

  • Test Readiness Support: Supporting laboratory, simulation, rig testing, and flight test readiness reviews

  • Risk Strategy: Identifying certification risks early and proposing mitigation strategies

Post-Certification Support

After the initial Type Certificate, we continue supporting our customers on design changes over the re-certification process.

  • Modification Impact Analysis: Assessing the level of design modifications (minor/major), then assessing (CPR analysis) the regulatory impact of post-certification design changes.

  • Revision of Compliance Artifacts: Updating certification plans, reports, and design documents to reflect changes.

  • Support for supplemental type certification: Preparing substantiation documents, engineering justifications, and compliance evidence

  • Lifecycle Management: Handling re-certification needs when suppliers change technology, obsolescence occurs, or interface changes occur.

Liaison with Regulatory Authorities

We effectively connect the applicant and the regulatory authorities (FAA, EASA, JCAB, DGCA-TR), ensuring seamless communication and progress in certification.

  • Interface With Authorities: Supporting communication, coordination, and technical exchanges with certification authorities on behalf of the Customer.

  • SOI Reviews: Reviewing Tier 1/2/3 supplier documents and preparing technical data during certification milestones

  • Issue Paper & CRI Management: Drafting and reviewing Issue Papers, Certification Review Items, and Special Conditions.

  • Audit Readiness & Support: Ensuring documentation completeness and providing support during audits and regulatory reviews

  • Regulatory Interpretation Support: Helping clarify the intent of regulations, rule changes, and emerging advisory circulars

  • Acting as Applicant Representative: Supporting OEMs and Tier-1/Tier-2 suppliers in engaging technically with authorities to defend compliance positions.

  • External Compliance Verification Engineer (CVE) Services for EASA TC/STC

Compliance Verification by Certification Testing

Our expertise extends to overseeing the essential testing processes for certification, including laboratory, ground, and flight tests.

  • Planning and execution supervision of Laboratory Testing

  • Planning and execution supervision of Ground and Flight Tests 

  • Supervision of compliance demonstration reports for certification


At HSB Solutions, we are committed to providing top-tier certification services to ensure your aviation projects meet all necessary standards and get to market safely and efficiently. To find out more about our certification expertise and how it can benefit your projects, please contact us at info@hsb-solutions.com.

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