Airprox Serious incident Airbus A321-231 G-EUXD, Friday 26 April 2013

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Date:	Friday 26 April 2013
Time:	10:30 UTC
Type:	Airbus A321-231
Owner/operator:	British Airways
Registration:	G-EUXD
MSN:	2320
Year of manufacture:	2004
Engine model:	IAE V2533-A5
Fatalities:	Fatalities: 0 / Occupants:
Other fatalities:	0
Aircraft damage:	None
Category:	Serious incident
Location:	5 nm SW of Copenhagen Airport (CPH) - Denmark
Phase:	Approach
Nature:	Passenger - Scheduled
Departure airport:	London-Heathrow Airport (LHR/EGLL)
Destination airport:	København-Kastrup Airport (CPH/EKCH)
Investigating agency:	HCLJ
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
SAS flight SK902, an Airbus A340-313 (OY-KBA) and British Airways flight BA814, an Airbus A321 (G-EUXD) were involved in an airprox incident near Copenhagen Airport (CPH).

The difference in speed reduction between SK902 and BA814 influenced the sequence of events where the Wake Turbulence radar separation minima of 5 nm were exceeded.
The implemented mitigation measures are assessed to have been appropriate.

The incident was rated an ICAO Cat B airprox.

Accident investigation: