Ryan van Zyl

Lead Airworthiness Engineer @ Tekever

Quedgeley, England, United Kingdom

About

With over ten years of experience in airworthiness and certification, my career has focused on ensuring regulatory compliance and safety for a multitude of aircraft systems including complex (military, state and civil) mission systems and hydrogen-electric powertrains. I have expertise in a variety of aerospace certification specifications relevant to Part 21J. I have previously held posts as a Compliance Verification Engineer (CVE) and held delegated responsibilities within the Office of Airworthiness and engineering. I am committed to delivering streamlined engineering solutions and supporting innovative aviation technologies.

Experience

  • Lead Airworthiness Engineer at TEKEVER
    Feb 2026 - Present · 6 mos

  • ZeroAvia ()
    • Lead Airworthiness Engineer || Compliance Verification | Liquid Hydrogen | Part 21J DOA
      Jul 2023 - Feb 2026 · 2 yrs 8 mos

      Lead Airworthiness Engineer, regulator liaison and engineering approver in support of a Liquid Hydrogen Management System (LHMS) upgrade to a ZeroAvia Do-228 test platform. Approvals held for Office of Airworthiness, Compliance Verification Engineer (CVE - Panel 19 Propulsion, Fuel Celss), Engineering and Documentation Check. Supported the Office of Airworthiness in successfully gaining Part 21J Design Organisation Approval (DOA) in November 2025.

    • Certification Engineer || Electric Powertrains & Hydrogen Fuel Cells | Flyable Prototype Testing
      Sep 2021 - Jul 2023 · 1 yr 11 mos

      Supported the prototype flight approval of a 600kW hybrid hydrogen fuel cell/lithium battery powerplant on a Dornier 228; an industry-first zero-emission technology demonstrator. Provided subject matter guidance on airworthiness aspects and led the creation of documentation in support of flight approval. Actively contributed to the flight test campaign.

  • Babcock International Group ()
    • Design Airworthiness Engineer || Rotorcraft Flight Testing | UK CAA Part 21J
      Jan 2021 - Sep 2021 · 9 mos

      Worked for the Chief of the Office of Airworthiness (UK CAA Part 21J Design Organisation Approval). Continuation of Design Airworthiness Engineer and Flight Test Engineer responsibilities following transition from EASA to UK CAA Part 21J approval.

    • Design Airworthiness Engineer || Rotorcraft Flight Testing | EASA Part 21J
      Apr 2019 - Jan 2021 · 1 yr 10 mos

      Supported the Chief of the (EASA Part 21J approved) Office of Airworthiness in a Design Airworthiness Engineer role, managing documentation for complex mission system installations and upgrades for small (EASA CS-27) and large (EASA CS-29) Rotorcraft. Conducted rotorcraft flight tests as a Category 4 Flight Test Engineer, including preparation, execution, and post-test reporting on vibration, handling, and performance.

  • Paramount Group ()
    • Certification Engineer || Civil/Military Sectors | Technical Coordinator | Assistant Project Manager
      Jun 2017 - Mar 2019 · 1 yr 10 mos

      Led engineering and project management efforts for air-to-ground/air-to-air capabilities conversion of the Mirage F1 fighter, including systems integration and prototype development. Managed design, certification, and manufacturing of a mission system upgrade to the AS350 helicopter. Coordinated with design and engineering teams to deliver a complete, tested, and certified solution from mission requirements to final kit delivery.

    • Certification Engineer || Military Sector | Certification Lead
      May 2016 - Mar 2019 · 2 yrs 11 mos

      Served as the certification engineer representative for the Design Authority on a military certification programme for a light attack upgrade on the EC635 helicopter. Primary focus included external payloads, mechanical and electrical installations, and systems integration.

  • Aeronautical Engineer: Certification || Structural Testing | Design | Aircraft Performance at The Airplane Factory
    Mar 2015 - Apr 2016 · 1 yr 2 mos

    Designed and tested a certified light aircraft, ensuring compliance with multiple airworthiness standards (EASA CS-VLA, ASTM, FAA FAR-23). Conducted basic flight tests to validate performance data, aerodynamic models, and implement necessary modifications. Optimised wing design and critically analysed weight and balance to enhance aircraft performance and handling.