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The ATSB is investigating two occurrences involving Airbus A380 aircraft descending below minimum assigned altitude.

During both occurrences, after receiving clearance for the runway 34 RNP approach, the aircraft descended below the required altitude restriction of A030 and out of controlled airspace. In each case the controller alerted the flight crew, and the aircraft was monitored by air traffic control to ensure it remained clear of traffic until re-established inside controlled airspace.

 
General details
Date: 14 July 2016 Investigation status: Active 
Time: 18:57 EST and 19:40 EST Investigation type: Occurrence Investigation 
Location   (show map):Melbourne Airport, S 28 km Occurrence type:Operational non-compliance 
State: Victoria Occurrence class: Operational 
 Occurrence category: Incident 
Report status: Pending Highest injury level: None 
Expected completion: February 2018  
 
Aircraft 1 details
Aircraft manufacturer: Airbus 
Aircraft model: A380-861 
Aircraft registration: A6-EDM 
Serial number: 0042 
Operator: Emirates 
Type of operation: Air Transport High Capacity 
Sector: Jet 
Damage to aircraft: Nil 
Departure point:Auckland, NZ
Destination:Melbourne, Vic.
Aircraft 2 details
Aircraft manufacturer: Airbus 
Aircraft model: A380-861 
Aircraft registration: A6-EDD 
Serial number: 0020 
Operator: Emirates 
Type of operation: Air Transport High Capacity 
Sector: Jet 
Damage to aircraft: Nil 
Departure point:Auckland, NZ
Destination:Melbourne, Vic.
 
 
 
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Last update 29 August 2017