Narrative:

Approximately 1 hour after takeoff; we lost the yellow hydraulic system quantity. We declared an emergency; ran appropriate ECAM and checklist and landed at ZZZ.

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Original NASA ASRS Text

Title: An A319's Yellow hydraulic system failed in flight. An emergency was declared and a divert to a nearby airport was made.

Narrative: Approximately 1 hour after takeoff; we lost the yellow hydraulic system quantity. We declared an emergency; ran appropriate ECAM and checklist and landed at ZZZ.

Data retrieved from NASA's ASRS site as of April 2012 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.