Narrative:

At cruise ECAM alert of hydraulic system lo press. The blue hydraulic system qty was lost. Communicated with [operations] via ACARS the malfunction and that an emergency would be declared for precautionary measures. We requested [operations] to inform ATC in order to coordinate the arrival ahead of time which they did indeed do. The approach and landing were uneventful and we taxied to the gate.

Google
 

Original NASA ASRS Text

Title: A300-600 Captain reported loss of Blue hydraulic system at cruise. Flight declared an emergency and continued to destination for a normal landing.

Narrative: At cruise ECAM alert of HYD SYS LO PRESS. The BLUE HYD SYS QTY was lost. Communicated with [Operations] via ACARS the malfunction and that an emergency would be declared for precautionary measures. We requested [Operations] to inform ATC in order to coordinate the arrival ahead of time which they did indeed do. The approach and landing were uneventful and we taxied to the gate.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.