Perte de fluide hydraulique après le décollage, demi-tour, atterrissage de précaution

Données préliminaires issues de la notification des autorités de la Suisse :

Due to loss of hydraulic fluid after takeoff, the flight crew decided to divert back to Zurich.

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General information
Local date	26/11/2015
Responsible entity	Switzerland - AAIB
State or area of occurrence	Switzerland
Location	Depuis AD Zurich
Human consequences	None
Aircraft consequences	None
Occurrence class	Serious incident
File number	BEA2015-0729

Flight Information
Aircraft category	Aeroplane
Operator	Switzerland - Swiss International Air Lines Ltd
Manufacturer / Model	AIRBUS - A330
Aircraft Registration	HB-JHC
State of registry	Switzerland
Last departure point	Switzerland - LSZH (ZRH): Zurich
Planned destination	United States of America - KEWR (EWR) [EWR]Newark,Nj/Newark Liberty Intl
Flight phase	Take-off
Serial number
Operator Type AG
Operation Type	Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.