Service Introduction
Airworthiness is the abbreviated term for "airworthiness," referring specifically to the quality attribute determining whether a civil aircraft is "suitable for flight." The airworthiness of a civil aircraft denotes its safety and physical integrity during flight-encompassing the overall performance and operational characteristics of the aircraft, its components, and subsystems-under anticipated service conditions and usage constraints. This quality requires that the aircraft consistently comply with its design specifications and operate safely, ensuring an acceptable level of safety for both passengers traveling by air and pilots operating their aircraft. Such quality can be maintained and continuously improved through appropriate maintenance throughout its service life.
GRGTEST provides comprehensive one-stop technical services, including initial and continuous airworthiness certification, aerospace quality management system development, laboratory consulting, and specialized training programs. Its airworthiness services cover type certificates (TC), production licenses (PC), and airworthiness certificates (AC) for aircraft such as eVTOLs and drones, as well as CTSOA approvals for airborne equipment technical standards, PMA approvals for components, and airworthiness services for airborne embedded software and complex electronic hardware compliant with DO-178 and DO-254 standards, thereby accelerating the localization of aviation equipment.
Our Advantages
1. Strong expertise of technical service specialists. Technical service specialists are managed on a project basis, working using a project management approach to provide comprehensive technical and training services throughout the entire process;
2. Provide specialized training for laboratories, including internal auditor certification and measurement uncertainty assessment;
3. Sufficient time commitment ensures more professional and effective technical services;
4. Significantly enhance clients' management and technical capabilities;
5. High customer satisfaction, with all clients expressing satisfaction with the service quality;
6. Continuously deliver supporting services.

Service Details
GRGTEST provides certification services and customized solutions for civil aviation consulting. Services include the establishment and review of airworthiness systems within the civil aviation sector, development of airworthiness engineering documentation, formulation of airworthiness engineering plans, design of airworthiness testing and flight test protocols, as well as support for airworthiness certification activities.
1. Airworthiness Engineering Technical Document Development: Provide template development and consulting services for specialized technical documents tailored to engineering design activities of products awaiting certification.
2. Airworthiness Engineering Solution Development: Provide engineering solutions and consulting services for the design activities of products awaiting certification.
3. Airworthiness Testing and Flight Test Plan Development: Provide engineering technical solutions for the testing and flight test activities of products awaiting certification.
4. Support for airworthiness certification activities: Assist Party A in completing airworthiness certification procedures, including document preparation and coordination among relevant parties.

Service Process
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Recognition Stage |
Main consultation content |
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I. Research Stage |
Corporate research; Product types; System architecture establishment; |
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II. Training Stage |
Applicable criteria training; Document writing training; |
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III. Document Guidance |
System; Technical document writing guidance; Document review and format guidance; |
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IV. System Trial Operation Stage |
System trial operation inspection; Internal and external quality control review plan guidance; |
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V. Technical Support Stage |
Applicable standards training; Testing and experimentation special topic explanation; |
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VI. Pre-examination Stage |
Product introduction; Determination of approval plan; Main data list; |
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VII. Test Method Recommendation |
Test plan estimation; Test outline writing guidance; Laboratory recommendation; |
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VIII. Internal Audit/Management Review Implementation Stage |
Internal audit; Management review; |
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IX. Submit Application |
Application for recognition; Document review follow-up; |
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X. Application Process |
Guidance for corrective measures improvement for non-conformities; Guidance for communication process of critical and difficult points; |
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XI. Review Stage |
Formal audit; Compliance verification report; Test report; Supplier management review; |
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XII. Post-service |
Annual review guidance; Continuous airworthiness consulting and coaching; |
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