EMB145 first officer experiences hydraulic system 1 failure at FL180 during climb. An emergency is d...

Narrative:

During climb out at aprox. 18;000ft; hyd 1 lo qyt message on EICAS followed by hydraulic system 1 fail w/ associated messages. Electric pump fail message; the electric pump cycled on and off twice as observed. Then we declared the emergency with center and diverted. Informed ATC; flight attendant; and pax. Followed checklist for hyd fail and abnormal landing gear extension. Confirmed on the EICAS and rmu that the gear was down and locked. Followed appropriate power settings. Once on the ground we stopped on the runway and shut down the engines; and were towed in by maintenance. Loss of all hydraulic pressure and pumps on system 1.

Original NASA ASRS Text

Title: EMB145 First Officer experiences hydraulic system 1 failure at FL180 during climb. An emergency is declared and flight diverts to nearest suitable airport after complying with checklist procedures.

Narrative: During climb out at aprox. 18;000ft; Hyd 1 lo Qyt message on EICAS followed by HYD system 1 Fail w/ Associated messages. Electric pump Fail message; the electric pump cycled on and off twice as observed. Then we declared the emergency with Center and diverted. Informed ATC; FA; and Pax. Followed checklist for Hyd Fail and abnormal landing gear extension. Confirmed on the EICAS and RMU that the gear was down and locked. Followed appropriate power settings. Once on the ground we stopped on the runway and shut down the engines; and were towed in by maintenance. Loss of all hydraulic pressure and pumps on system 1.

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.

Attributes
ACN	857067
Time
Date	200910
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Dawn
Aircraft 1
Make Model Name	EMB ERJ 145 ER& LR
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Hydraulic System
Person 1
Function	First Officer Pilot Not Flying
Experience	Flight Crew Total 2500
Events
Anomaly	Aircraft Equipment Problem Critical

EMB145 first officer experiences hydraulic system 1 failure at FL180 during climb. An emergency is declared and flight diverts to nearest suitable airport after complying with checklist procedures.