Emirates A388 near Mauritius on Jul 14th 2017, descended below clear level causing TCAS resolution

Last Update: July 16, 2017 / 20:54:41 GMT/Zulu time

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Incident Facts

Date of incident
Jul 14, 2017

Classification
Incident

Flight number
EK-703

Aircraft Registration
A6-EOT

Aircraft Type
Airbus A380-800

ICAO Type Designator
A388

An Emirates Airbus A380-800, registration A6-EOT performing flight EK-703 from Dubai (United Arab Emirates) to Mauritius (Mauritius), was enroute at FL400 about 160nm north of Mauritius Airport when ATC advised the crew of traffic in opposite direction being cleared to climb to FL370, crossing time at 13:07Z. ATC subsequently cleared the flight to descend to FL380, the crew read back FL360 which was not corrected by ATC.

An Air Seychelles Airbus A330-200, registration S7-VDM performing flight HM-54 from Mauritius (Mauritius) to Mahe Island (Seychelles), had been cleared to climb to FL370 and was climbing through FL330 when the Emirates descended through FL380.

Both crews were visual with each other, received TCAS resolution advisories, in addition HM-54 turned right. Position data off transponders of both aircraft suggest that the horizontal separation between the aircraft was about 7.5nm when both aircraft passed through FL360 at 0 feet vertical separation and was about 4nm when the vertical separation between the aircraft reached 1000 feet again with EK-703 below FL360 and HM-54 levelling off at FL370.
Incident Facts

Date of incident
Jul 14, 2017

Classification
Incident

Flight number
EK-703

Aircraft Registration
A6-EOT

Aircraft Type
Airbus A380-800

ICAO Type Designator
A388

This article is published under license from Avherald.com. © of text by Avherald.com.
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