CAO Annex 13 paragraph 5.18 entitles the State of Registry and State of Operator to participate in the investigation by their appointed accredited representative.

DGCAA shall decide whether to send an accredited representative/s and an advisor/s or not, depending on the nature of the accident / incident.

NOTE: As recommended by ICAO Annex 13 , Chapter 5.19.1, when neither the State of Registry, nor the State of Operator appoint an Accredited Representative, the State conducting the investigation should invite the Operator to participate, subject to the procedures of the State conducting the investigation.

All the investigation techniques, procedures and requirements of Domestic Accidents are applicable and could be completely or partially applied depending on the conditions.