How to apply
Applications may alternatively be submitted by email to stc [at] easa [dot] europa [dot] eu, this might however lead to slightly longer processing times.
Please support the paperless management of applications by submitting applications to us electronically only.
If this is your first application to EASA and you do not have an EASA applicant account, you will need to submit a copy of articles of incorporation of the entity or business registration stating the company name, business registration number and legal seat of the company.
In case the applicant is not a company but a natural person, a copy of the person’s ID or passport needs to be provided.
Documents can be uploaded using the EASA file box.
Specific technical documents shall be provided directly to the person responsible for investigating your application. The individual contact details will be communicated to you upon EASA application acceptance.
The exchange and review of documents may also be conducted using SEPIAC – contact sepiac-support [at] easa [dot] europa [dot] eu or your PCM to understand whether your project can be managed using SEPIAC and request the access to the tool.
Applications from U.S., Canada and Brazil
EASA will wait for the authority forwarding letter prior to registering the application. A copy of the Certifying Authority (CA) STC to be validated is required together with the application form.
Please also see our FAQ on EASA-FAA TIP Rev 06.
Please also see the related Information Sheet on the Application Acceptance Process for a more detailed view.
Good to know
Application effectiveness: The effectiveness of your application is limited to five (5) years for large aeroplanes and large rotorcraft and to three (3) years for any other product. In case the type certificate is not issued within the time limit of five or three years, you may file for an extension of your application by submitting an informal email request to the Certificate Delivery Team. Alternatively a new application can be submitted.
Fees and Charges: In accordance with Commission Regulation (EC) 319/2014, the Agency levies fees and charges for all its certification and approvals activities. The applicable table for Supplemental Type Certificate applications is Table 3 and the fee will be valid for a period of twelve (12) months. For the period after the first 12 months, the fee shall be 1/365th of the relevant annual fee per day.
Applicant eligibility: More details on the eligibility criteria for STC applicants can be found in our FAQs.
You will find extensive information and instructions in the Applicant Portal User Guide and in the application form completion instructions, which are embedded in the application form.
Please also consult our FAQs.
Should you have any further question or suggestion, please contact the Certificate Delivery Team: Applicant [dot] Services [at] easa [dot] europa [dot] eu.
For questions that are specifically related to the Fees & Charges and your invoice, please consult our FAQs.