EMB ERJ 145 ER/LR
Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Flight Crew Returned To Departure Airport; Flight Crew Landed As Precaution; General Maintenance Action; General Declared Emergency
Aircraft
After takeoff we received a HYD1 LOW QT advisory message on the EICAS. We followed the checklist which said to monitor the hydraulic quantity in affected system. Later we noted the quantity continued to decrease. We elected to return and declared an emergency. After an uneventful landing we continued to the gate. Maintenance personnel found a leak in the number one hydraulic system.
EMB145 Captain experiences HYD1 LOW QT advisory message on the EICAS after takeoff. The quantity continues to decrease and the crew elects to return to the departure airport.