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Official government website of the Government of the Kingdom of Saudi Arabia
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Al-Riyadh
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Registered with the Digital Government Authority under number :

20250718169

Obstacle Assessment

Evaluating the effect of the proposed construction or alteration on aviation safety and the efficient use and preservation of the navigable airspace and of aerodrome traffic capacity at public-use aerodromes. Determination whether the effect of proposed construction or alteration is a hazard to air navigation. Determining other appropriate measures to be applied for continued safety of air navigation. Notifying the aviation community of the construction or alteration of objects that affect navigable airspace.

- Application: The Applicant shall submit all documents related to the required structure. - Review: GACA specialist will review the documents submitted and study the effect to aerospace. - Issuance of height determination letter: GACA will only issue a letter in accordance with the study result. - Delivery of a required documents:

  1. ANS-OBSTACLE EVALUATION REQUEST FORM ( Download )
  1. 03ANS-Snapshot from Google earth.
  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

All proponents requesting to build any structure near airports in the Kingdom of Saudi Arabia.

Delivery Time

45 working 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.