Part 21, Subpart J for Design Organizations (online seminar/webinar)

Target Groups

Head of the Design Organization, Chief of Office of Airworthiness, Chief of Independent System Monitoring, design engineers, compliance verification engineers, auditors, who are interested in gaining

  • a good knowledge of the requirements of the applicable aviation regulations for their scope of work in an aviation regulation approved organization according to Part 21, Subpart J (design organization),
  • a good understanding of their tasks, responsibilities and obligations in their organization.

Important information

  • The participation to the seminar European Aviation Legislation – Introduction is a prerequisite for participants to the seminar Part 21, Subpart J for Design Organizations (kindly note the remark “special discount”).
  • The total length of this seminar is 6 hours at 60 minutes. 2 breaks at 30 min. each, 1 break at 60 min!
  • The seminar language is German, however, this seminar is also offered in the English language. For any further information you can reach us at

Seminar content

  • Design Assurance System of a Design Organization
  • DO-PO-Arrangement / DO-MO-Arrangement
  • Coordination of the design activities associated with a STC (CAMO, Design Organization, Production Organization, Maintenance Organization)
  • Design Process (Examples: Minor Change / STC)
  • Part 21, Section A – technical requirements
    Part 21, Subpart J – Approval as a design organization and further subparts associated with the design of STC, minor changes and repairs (including LOI)

Please note: This seminar aims to design organizations other than the type design holder that performs changes and repairs to Aircraft.

(subject to changes)

Services received

Participation in the seminar, seminar documentation (pdf file), certificate of participation (pdf file)


Revisionsstand: 05/2020

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