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Registered with the Digital Government Authority under number :

20250718169

Application For Supplemental Type Certificate (Stc) Letter Of Intent

Engineering

This service allows the beneficiaries to request GACA support for certification of major change in type design to be performed on Saudi registered aircraft. GACA decision to support the applicant is the pre-requisite for Supplemental Type Certificate (STC) Project initiation.

1. GACA Type Certificate Acceptance (TCA)
2. Classification Assessment
3. Familiarity with the STC Certification process.

GACA AC 021-07 Alterations and Repairs.

  1. Approval privileges document (FAA ACO Agreement, FAA ODA, EASA Design Organization Approval, or equivalent) (if applicable).).
  2. Company Manual (Handbook, Procedures, Work Instructions) related to the intended certification activities.
  3. Design change classification document issued in accordance with GACAR §21.66 (equivalent to FAR §21.93 (a)&(b) or EASA 21A.91).
  4. Letter of application addressed to General Manager of Airworthiness. See additional help.
  5. Owner/operator acknowledgement for the proposed design change.

1. Refer to GACA AC 021-07 Alterations and Repairs. 2. Confirmed payment of all applicable fees is a requirement for an application to be accepted for processing by the GACA

The letter of intent should be of sufficient detail to allow the GACA to make the decision to support the project. The content must indicate the following:
1. The nominated persons (i.e. already appointed GACA-DERs, GACA-DARs, FAA DERs or other foreign delegated individuals/organizations) would have sufficient scope of delegation to address the required compliance aspects of the project. 
2. Explanation of the purpose of the design change is likely to be advantageous. Identify the locations of removed and of installed equipment and components.
3. Determine if there is any novel and unusual design features will be introduced by the proposed design change.
4. Use of existing approvals as a basis for the GACA STC (e.g., FAA STC), if applicable.
5. Concurrent Modifications.
6. Location of certification activities.
7. Name(s) of Owner, Operator, Installer, GACA AMO.
8. Eligible Serial Number and Registration Mark(s)
9. Estimated project schedule including major milestones
 

  1. Application : The applicant must submit all relevant documents as requested by the General Authority of Civil Aviation.
  2. Review : GACA will review the documents submitted by the applicant and verify if it complies with the regulations and can ask the applicant to update his application.
  3. Issue : GACA will only issue the Certificate/Permit when the E-Service process allows it and GACA is completely satisfied that all regulatory requirements have been adequately addressed.
  4. Delivery : The Certificate/Permit will either be delivered electronically or manually according to the E-Service process.
  5. To create and pay the invoice, please visit the following platform : https://ajwaa.sa

Target Audience

GACA certificated air carrier, air operator or repair station certificated under GACA/FAR Parts 121, 125, 135 or 145, or a GACA/FAR Part 91 Aircraft Owner/Operator who has engineering resources or can obtain engineering services under contract.

Delivery Time

10 Business Days.

Frequently Asked Questions

GACA-FAQ's page

Tel

1929

Internal Comments and Notes

For any inquiries or comments about government services, please fill out the required information.