Md-11 flight crew reported declaring an emergency after loss of #3 hydraulic system. They continued ...

Attributes
ACN	1060860
Time
Date	201301
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Hydraulic Main System
Person 1
Function	Other / Unknown
Experience	Flight Crew Last 90 Days 80 Flight Crew Total 9000 Flight Crew Type 1200
Person 2
Function	Pilot Flying
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

Flight crew received message hydraulic 3 elev off. Noticed that hydraulic fluid was decreasing. Ran checklist and called [maintenance] and [operations] via sat phone. Fluid decreased to the point of having only .1 gallon left in the hydraulic 3 system upon landing. Hydraulic 3 fail message came on at 1.0 gallons. Decision was made to declare an emergency on landing due to some lost system components. Landing was uneventful.

Original NASA ASRS Text

Title: MD-11 flight crew reported declaring an emergency after loss of #3 hydraulic system. They continued to destination for a normal landing.

Narrative: Flight crew received message HYD 3 ELEV OFF. Noticed that hydraulic fluid was decreasing. Ran checklist and called [Maintenance] and [Operations] via Sat phone. Fluid decreased to the point of having only .1 gallon left in the HYD 3 system upon landing. HYD 3 fail message came on at 1.0 gallons. Decision was made to declare an emergency on landing due to some lost system components. Landing was uneventful.

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.

Md-11 flight crew reported declaring an emergency after loss of #3 hydraulic system. They continued to destination for a normal landing.