Aviation safety investigations & reports

Breakdown of separation - Boeing 747, VH-OJI and unknown aircraft, 80 km SE of Aktau, Kazakhstan, 26 May 2012

Investigation number:
Status: Completed
Investigation completed


The Air Accident Investigation Department (AAID) of the Ministry of Transport and Communication of the Republic of Kazakhstan is investigating a loss of separation that occurred in Kazakhstan airspace on 26 May 2012. One of the aircraft involved in the occurrence was an Australian-operated Boeing Company 747, registered VH-OJI, which was en route from Singapore to Frankfurt, Germany.

The investigation is being carried out in accordance the Republic of Kazakhstan’s obligations as the State of Occurrence under Annex 13 to the Convention on International Civil Aviation (Annex 13). On 18 June 2012, the AAID requested Australian Transport Safety Bureau (ATSB) assistance with obtaining relevant technical and operational information from the aircraft operator. In accordance with paragraph 5.23 of Annex 13, the ATSB appointed an Accredited Representative to assist the AAID. To facilitate this support, the ATSB commenced an investigation under the Transport Safety Investigation Act 2003. The ATSB obtained aircraft and flight crew details from the aircraft operator and forwarded them to the AAID.

The AAID is responsible for releasing the final investigation report into this occurrence. Any enquiries in respect of the AAID investigation and report should, in the first instance, be directed to the:

Air Accident Investigation Department
Ministry of Transport and Communication
47, Kabanbai batyr Avenue
010000 Astana
Republic of Kazakhstan

Telephone: +7 7172-242605
Fax: +7 7172-243165




Released in accordance with section 25 of the Transport Safety Investigation Act 2003.

General details
Date: 26 May 2012   Investigation status: Completed  
  Investigation level: Systemic - click for an explanation of investigation levels  
Location   (show map): 80 km SE of Aktau, Kazakhstan    
State: International   Occurrence type: Separation issue  
Release date: 20 September 2012   Occurrence category: Incident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer The Boeing Company  
Aircraft model 747  
Aircraft registration VH-OJI  
Serial number 24887  
Type of operation Air Transport High Capacity  
Damage to aircraft Nil  
Last update 03 April 2020